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Ci il & St t lCi il & St t lCivil & Structural Civil & Structural Enginee ing PanelEnginee ing PanelEngineering PanelEngineering Panel
June 22 2010June 22 2010June 22 2010June 22 2010Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
T: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 11
Technical PresentationTechnical Presentation
Concrete: Standards SustainabilityConcrete: Standards SustainabilityConcrete: Standards, Sustainability, Concrete: Standards, Sustainability, and Engineering Resourcesand Engineering Resources
Daksh Baweja Daksh Baweja –– DMC Advisory T: 02DMC Advisory T: 02--90299029--2076 E: 2076 E: [email protected]@ozemail.com.auJune 22, 2010June 22, 2010 22
Speaker:Speaker:
Daksh BawejaDaksh BawejaDaksh BawejaDaksh BawejaPrincipal DMC AdvisoryPrincipal DMC Advisory
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 33
Chairman & Seminar Convener:Chairman & Seminar Convener:Gene HulowatyiGene HulowatyiGene HulowatyiGene Hulowatyi
Secretary & Vote of Thanks:Secretary & Vote of Thanks:Scott MunterScott Munter
Copy of tonights presentation will beCopy of tonights presentation will beCopy of tonights presentation will be Copy of tonights presentation will be posted on EA’s websiteposted on EA’s website
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 44
PPProgramProgram6 00 pm Technical Session6 00 pm Technical Session6.00 pm Technical Session6.00 pm Technical Session7.15 pm Questions7.15 pm Questionsp Qp QFuture eventsFuture events7 30 Cl7 30 Cl7.30 pm Close7.30 pm Close
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 55
kkHouse keepingHouse keeping Emergency ExitsEmergency Exits ConveniencesConveniences Mobile phonesMobile phones Mobile phonesMobile phones QuestionsQuestions-- at end of at end of
presentationpresentationpresentationpresentation Courtesy to speakersCourtesy to speakers
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 66
Presentation SummaryPresentation Summary
Industry Overview: Who’s Industry Overview: Who’s WhoWho
Standards on Concrete andStandards on Concrete and Standards on Concrete and Standards on Concrete and Component Materials Component Materials --UpdateUpdateUpdateUpdate
Sustainability and concreteSustainability and concreteyy Engineering Resources Engineering Resources ––
Where to get HelpWhere to get HelpWhere to get HelpWhere to get HelpDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
T: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 77
Concrete FactsConcrete Factsllll AUSTRALIAAUSTRALIA Virtually no Virtually no
construction isconstruction is AUSTRALIAAUSTRALIA
23 million cubic metres 23 million cubic metres f tf tconstruction is construction is
possible possible of concrete per annumof concrete per annum
USAUSA
without the use without the use of concreteof concrete
350 million cubic 350 million cubic metres of concrete per metres of concrete per annumannumof concreteof concrete annumannum
WORLDWORLD 6 billion cubic metres 6 billion cubic metres
of concrete per annumof concrete per annum
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 88
Concrete is a “BIG” IndustryConcrete is a “BIG” Industryh ?h ? h hh h What is concrete?What is concrete?
AS3600: Mixture of AS3600: Mixture of cement aggregates andcement aggregates and
Who is in the concrete Who is in the concrete industry?industry?
DesignersDesignerscement, aggregates and cement, aggregates and water, with or without the water, with or without the addition of chemical addition of chemical admixturesadmixtures
DesignersDesigners SuppliersSuppliers
ConcreteConcreteadmixturesadmixtures AS1379 further classifies AS1379 further classifies
concrete intoconcrete into
BindersBinders Other component Other component
supplierssuppliers PlasticPlastic HardenedHardened Normal ClassNormal Class
supplierssuppliers Delivery industriesDelivery industries Product suppliersProduct suppliers
Normal ClassNormal Class Special ClassSpecial Class
ConstructorsConstructors
ALL of us are in the ALL of us are in the “concrete” industry“concrete” industryconcrete industryconcrete industry
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 99
Industry Overview:Industry Overview:Industry Overview:Industry Overview:Who’s who in concrete?Who’s who in concrete?
Ash Development Ash Development Association of AustraliaAssociation of Australia
Good questionsGood questionsWhy do we have so manyWhy do we have so manyAssociation of AustraliaAssociation of Australia
Australasian (Iron and Australasian (Iron and Steel) Slag AssociationSteel) Slag Association
Why do we have so many Why do we have so many groups in the concrete groups in the concrete industry?industry?Steel) Slag AssociationSteel) Slag Association
Concrete Institute of Concrete Institute of AustraliaAustralia
Are they all the same?Are they all the same? Who are these groups?Who are these groups?
Why are they relevant toWhy are they relevant toAustraliaAustralia Cement Concrete and Cement Concrete and
Aggregates AustraliaAggregates Australia
Why are they relevant to Why are they relevant to engineers?engineers?
What do they do?What do they do?gg ggg g CSIROCSIRO
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1010
Concrete: Key Historical FactsConcrete: Key Historical Facts
First used in 5600 BCFirst used in 5600 BCGreat Pyramids built inGreat Pyramids built in
Reinforcement mesh Reinforcement mesh patentedpatented –– 19101910 Great Pyramids built in Great Pyramids built in
2500 BC2500 BCFi t d d dFi t d d d
patented patented 19101910 Concrete pumping Concrete pumping ––
1910 (about)1910 (about) First recorded modern First recorded modern use of concrete use of concrete --1700’s1700’s
1910 (about)1910 (about) Prestressing (Eugene Prestressing (Eugene
FreyssinetFreyssinet)) –– 192819281700 s1700 s First patent on Portland First patent on Portland
cementcement 18241824
FreyssinetFreyssinet) ) –– 19281928 Steel fibres (modern) Steel fibres (modern) ––
19631963cement cement –– 18241824 First transit mixer First transit mixer --
19091909
19631963
19091909Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
T: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1111
Concrete in AustraliaConcrete in Australia Verandas at Parliament Verandas at Parliament
House Brisbane House Brisbane --18701870 First cement standard First cement standard
published in 1925published in 1925 Portland cement first Portland cement first
made in South Australia made in South Australia ––18821882
Concrete structures code Concrete structures code CA2 first published in CA2 first published in 1934193418821882
Retaining wall systems in Retaining wall systems in Sydney HarbourSydney Harbour 19101910
19341934 Early application of Early application of
precast concrete in 1950precast concrete in 1950Sydney Harbour Sydney Harbour –– 19101910 First Portland cement in First Portland cement in
Darra QueenslandDarra Queensland –– 19171917
precast concrete in 1950precast concrete in 1950 AS1480 (preAS1480 (pre--AS3600) AS3600)
published in 1974published in 1974Darra Queensland Darra Queensland –– 19171917 published in 1974published in 1974 AS3600 first published in AS3600 first published in
1988198819881988Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
T: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1212
History of CCAA and theHistory of CCAA and theHistory of CCAA and the History of CCAA and the Concrete InstituteConcrete Institute
Cement Manufacturers Cement Manufacturers Association formed in 1919Association formed in 1919C t & C t A i tiC t & C t A i ti
Australian Prestressed Australian Prestressed Concrete Group (APCG) Concrete Group (APCG) formed in 1962formed in 1962 Cement & Concrete Association Cement & Concrete Association
of Australia formed in 1946of Australia formed in 1946 National National ReadymixedReadymixed Concrete Concrete
formed in 1962 formed in 1962 Concrete Institute of Australia Concrete Institute of Australia
formed out of APCG in 1969formed out of APCG in 1969yyAssociation formed in 1967Association formed in 1967
Australian PreAustralian Pre--Mixed Concrete Mixed Concrete Association formed in 1994Association formed in 1994Association formed in 1994Association formed in 1994
Cement Concrete and Cement Concrete and Aggregates Australia formed in Aggregates Australia formed in 20032003
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1313
History of the ADAA and ASAHistory of the ADAA and ASA
Ash Development Ash Development Association of AustraliaAssociation of Australia
Australasian (iron and Australasian (iron and steel) Slag Associationsteel) Slag AssociationAssociation of AustraliaAssociation of Australia
Technically based Technically based organisationorganisation
steel) Slag Associationsteel) Slag Association Technically based Technically based
organisationorganisationgg Formed in 1991 out of the Formed in 1991 out of the
National Ash AssociationNational Ash AssociationComposed of ashComposed of ash
gg Formed in 1990Formed in 1990 Representing slag Representing slag
producers processorsproducers processors Composed of ash Composed of ash marketers and power marketers and power generatorsgenerators
producers, processors, producers, processors, marketers, customers, and marketers, customers, and suppliers suppliers
Others welcomedOthers welcomed Others welcomedOthers welcomed
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1414
History of CSIRO and itsHistory of CSIRO and itsHistory of CSIRO and its History of CSIRO and its Relationship to EngineeringRelationship to Engineeringp g gp g g
Started in 1916 Started in 1916 –– Advisory council of science and Advisory council of science and industryindustryindustryindustry
Council of Scientific and Industrial Research set up Council of Scientific and Industrial Research set up in 1926in 1926in 1926in 1926
Focussed on Australian issues Focussed on Australian issues –– “National “National laboratory”laboratory”laboratorylaboratory
Has had a significant focus on engineering Has had a significant focus on engineering ––perhaps some what less nowperhaps some what less nowperhaps some what less nowperhaps some what less now
Important to continue to lobby government to Important to continue to lobby government to ensure CSIRO continues to focus on engineeringensure CSIRO continues to focus on engineeringensure CSIRO continues to focus on engineeringensure CSIRO continues to focus on engineering
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1515
Industry Bodies can ProvideIndustry Bodies can ProvideIndustry Bodies can Provide Industry Bodies can Provide Support for EngineersSupport for Engineerspp gpp g
Ash Development Ash Development Association of AustraliaAssociation of Australia
Can provide excellent Can provide excellent technical information fortechnical information forAssociation of AustraliaAssociation of Australia
Australasian (Iron and Australasian (Iron and Steel) Slag AssociationSteel) Slag Association
technical information for technical information for engineersengineers
Each organisation has:Each organisation has:--Steel) Slag AssociationSteel) Slag Association Concrete Institute of Concrete Institute of
AustraliaAustralia
Each organisation has:Each organisation has: Long historyLong history Vast knowledgeVast knowledgeAustraliaAustralia
Cement Concrete and Cement Concrete and Aggregates AustraliaAggregates Australia
gg Information important to Information important to
engineers and engineeringengineers and engineering
K l d t fK l d t fgg ggg g
CSIROCSIRO Knowledge transferKnowledge transfer Need to know where to Need to know where to
looklooklooklookDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
T: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1616
Standards on Concrete andStandards on Concrete andStandards on Concrete and Standards on Concrete and Component Materials Component Materials -- UpdateUpdatepp pp
Brief review of the new AS3600Brief review of the new AS3600 AS1379 AS1379 –– Specification and Supply of Specification and Supply of
ConcreteConcreteConcreteConcrete AS3972 AS3972 –– Portland and Blended CementPortland and Blended Cement AS3582 Series AS3582 Series –– Supplementary Supplementary
Cementitious MaterialsCementitious MaterialsCementitious MaterialsCementitious Materials
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1717
Changes in AS3600Changes in AS3600--20092009 Strength grades of 80 Strength grades of 80
MPa and 100 MPa MPa and 100 MPa New design properties New design properties
of materialsof materials Higher yield strength Higher yield strength
reinforcement andreinforcement and Compressive strengthCompressive strength Tensile strengthTensile strengthreinforcement and reinforcement and
two levels of Ductility two levels of Ductility ClassClass
gg Modulus of elasticityModulus of elasticity Shrinkage and creepShrinkage and creepClassClass
Wider range of design Wider range of design and analysis methodsand analysis methods
Shrinkage and creepShrinkage and creep Coefficient of thermal Coefficient of thermal
expansionexpansionand analysis methods and analysis methods pp Updated durability Updated durability
provisionsprovisionsprovisionsprovisionsDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
T: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1818
The New AS3600: DurabilityThe New AS3600: Durability
Change to exposure classification CChange to exposure classification C C1 C1 –– Spray zoneSpray zone C2C2 –– Tidal and splash zoneTidal and splash zone C2 C2 Tidal and splash zoneTidal and splash zone
Guidelines for the following in the new Guidelines for the following in the new ddcodecode
Abrasion resistanceAbrasion resistance Sulfate and saline soilsSulfate and saline soils Cover provisions for corrosion protectionCover provisions for corrosion protection Cover provisions for corrosion protectionCover provisions for corrosion protection
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 1919
Standards Road MapStandards Road MapStandards Road MapStandards Road MapAS3600 and component material standardsAS3600 and component material standards
AS3600AS3600 AS1379AS1379 AS1379AS1379AS3600AS3600Design of ConcreteDesign of Concrete Supply of ConcreteSupply of Concrete Supplement 1Supplement 1Supplement 1Supplement 1
AS1012 ConcreteAS1012 Concrete
AS3972 CementAS3972 CementAS3582 Supplementary AS3582 Supplementary Cementitious MaterialsCementitious Materials
AS2758 AggregatesAS2758 AggregatesAS1478 AdmixturesAS1478 Admixtures
Constituent MaterialsConstituent MaterialsSampling and TestingSampling and Testing
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2020
AS3600:AS3600:AS3600:AS3600:How Component Materials are Called UpHow Component Materials are Called Up
AS3600 defers to AS3600 defers to AS1379 f tAS1379 f t
AS1379 refers toAS1379 refers toAS3972 (Portland andAS3972 (Portland andAS1379 for concrete AS1379 for concrete
specificationspecification(S ifi ti d(S ifi ti d
AS3972 (Portland and AS3972 (Portland and Blended Cement)Blended Cement)
AS3582 (SCM’s for use with AS3582 (SCM’s for use with (Specification and (Specification and Supply of Concrete)Supply of Concrete)
Portland and Blended Portland and Blended Cement)Cement)
AS1478 (ChemicalAS1478 (Chemical Two classesTwo classes
Normal ClassNormal Class
AS1478 (Chemical AS1478 (Chemical Admixtures)Admixtures)
AS2758.1 (Aggregate and AS2758.1 (Aggregate and R k f E i iR k f E i i
Special ClassSpecial Class Rock for Engineering Rock for Engineering Purposes)Purposes) AS1012 (Testing)AS1012 (Testing)S 0 ( est g)S 0 ( est g)
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2121
Normal (N) Class ConcreteNormal (N) Class ConcreteNormal (N) Class Concrete Normal (N) Class Concrete Specification in AS3600 and AS1379Specification in AS3600 and AS1379pp
20 MPa, 25 MPa, 32 MPa, 40 MPa and 50 MPa20 MPa, 25 MPa, 32 MPa, 40 MPa and 50 MPa SlumpSlump
20 mm to 120 mm20 mm to 120 mm 10 mm increments having different tolerances10 mm increments having different tolerances
Maximum Aggregate Size:Maximum Aggregate Size:a u gg egate S ea u gg egate S e10 mm, 14 mm or 20 mm10 mm, 14 mm or 20 mm
Density: 2100 to 2800 kg/mDensity: 2100 to 2800 kg/m33 Density: 2100 to 2800 kg/mDensity: 2100 to 2800 kg/m AEA: Up to 5%AEA: Up to 5%
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2222
Special Class Concrete:Special Class Concrete:Special Class Concrete:Special Class Concrete:AS1379AS1379
S Class concreteS Class concreteAddresses specific designAddresses specific design
S Class Concrete in S Class Concrete in AS3600AS3600 Addresses specific design Addresses specific design
requirement (other than requirement (other than Normal Class)Normal Class)
AS3600AS3600 20 MPa20 MPa 25 MPa25 MPa
More complexMore complex Testing requirements need Testing requirements need
to be specified in designto be specified in design
25 MPa25 MPa 32 MPa32 MPa 40 MPa40 MPa
to be specified in designto be specified in design Designations of 65 MPa, Designations of 65 MPa,
80 MPa and 100 MPa 80 MPa and 100 MPa ll S i l Clll S i l Cl
50 MPa50 MPa 65 MPa65 MPa
80 MPa80 MPaare all Special Classare all Special Class 80 MPa80 MPa 100 MPa100 MPa
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2323
“Cement ain’t cement”“Cement ain’t cement” AS1379 defines AS1379 defines
“cement” as “cement” as a hydraulic a hydraulic bi d d fbi d d f
AS3972 defines AS3972 defines “Portland Cement” as “Portland Cement” as
h d li t hi hh d li t hi hbinder composed of binder composed of Portland or blended Portland or blended cement used alone or cement used alone or
a hydraulic cement which a hydraulic cement which is manufactured as a is manufactured as a homogenous product by homogenous product by
combined with one or combined with one or more supplementary more supplementary cementitious materialscementitious materials
g p yg p ygrinding together grinding together Portland cement clinker Portland cement clinker and calcium sulfate andand calcium sulfate andcementitious materialscementitious materials
Fly ashFly ash Ground granulated iron Ground granulated iron
and calcium sulfate, and and calcium sulfate, and which at the discretion of which at the discretion of the cement manufacturer the cement manufacturer
blast furnace slag (slag),blast furnace slag (slag), Amorphous silicaAmorphous silica
may contain up to 5% may contain up to 5% mineral additionsmineral additions
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2424
Mineral Additions andMineral Additions andMineral Additions andMineral Additions andBlended CementsBlended Cements
AS3972 defines AS3972 defines “Mineral Additions” as“Mineral Additions” as
AS3972 defines AS3972 defines “Blended Cement” as“Blended Cement” asMineral Additions as Mineral Additions as
selected fly ash, granulated selected fly ash, granulated iron blast furnace slag, iron blast furnace slag, l b fl b f
Blended Cement asBlended Cement asa hydraulic cement …. grinding a hydraulic cement …. grinding together Portland cement together Portland cement l k d l lfl k d l lflimestone or combinations of limestone or combinations of
these materials that are used these materials that are used in quantities less than 5% by in quantities less than 5% by
clinker and calcium sulfate, clinker and calcium sulfate, and which may contain mineral and which may contain mineral additions up to 5% … and … additions up to 5% … and …
mass in making Portland or mass in making Portland or blended cementblended cement
one of both of the following:one of both of the following: greater than 5% of fly ash greater than 5% of fly ash
or granulated iron blastor granulated iron blastor granulated iron blast or granulated iron blast furnace slag, or both, orfurnace slag, or both, or
up to 10% amorphous up to 10% amorphous iliilisilicasilica
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2525
In simple terms …..In simple terms …..
BindersBinders Supplementary Supplementary cementitiouscementitious
Portland cementPortland cement Mineral additionsMineral additions
cementitious cementitious materials (directly materials (directly added into concrete)added into concrete)
Blended cementBlended cement Fly ashFly ash
SlSl
added into concrete)added into concrete) Fly ashFly ash SlagSlag SlagSlag
Amorphous silicaAmorphous silica Combinations of aboveCombinations of above
SlagSlag Amorphous silicaAmorphous silica Combinations of theCombinations of the Combinations of aboveCombinations of above
Supplementary Supplementary cementitious materialscementitious materials
Combinations of the Combinations of the aboveabove
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2626
Fly ashFly ash
Covered under AS3582.1Covered under AS3582.1A bA b d t f l t i tid t f l t i ti A byA by--product of electric power generationproduct of electric power generation
Derived from burning pulverising coal at a power stationDerived from burning pulverising coal at a power stationTh fi d l i d l i h i hi flTh fi d l i d l i h i hi fl The fired pulverised coal turns into ash within a flue gasThe fired pulverised coal turns into ash within a flue gas
Defined in AS3582.1 as Defined in AS3582.1 as solid material extracted from flue solid material extracted from flue gasses of a boiler fired with pulverised coalgasses of a boiler fired with pulverised coalgasses of a boiler fired with pulverised coalgasses of a boiler fired with pulverised coal
It has pozzolanic properties in mortars and concreteIt has pozzolanic properties in mortars and concreteOth d t (f h) i l d d tOth d t (f h) i l d d t Other products (furnace ash) is also produced at power Other products (furnace ash) is also produced at power stations stations –– all these together are termed coal combustion all these together are termed coal combustion products (CCPs)products (CCPs)products (CCPs)products (CCPs)
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2727
Iron blast furnace slagIron blast furnace slag AirAir--cooled Iron Blast Furnace Slag cooled Iron Blast Furnace Slag coo ed o ast u ace S agcoo ed o ast u ace S ag
(ABFS)(ABFS) Molten iron slag from furnace cooled slowlyMolten iron slag from furnace cooled slowly
Iron slag minerals crystalliseIron slag minerals crystallise Iron slag minerals crystalliseIron slag minerals crystallise Used as a coarse aggregate supplement in Used as a coarse aggregate supplement in
certain concretescertain concretes Granulated Iron Blast Furnace Slag Granulated Iron Blast Furnace Slag
(GBFS)(GBFS) Molten iron slag quenched with water andMolten iron slag quenched with water and Molten iron slag quenched with water and Molten iron slag quenched with water and
cooled rapidlycooled rapidly Glassy (amorphous) structure formsGlassy (amorphous) structure forms Used in certain block and paver mixes andUsed in certain block and paver mixes and Used in certain block and paver mixes, and Used in certain block and paver mixes, and
as a fine aggregate supplementas a fine aggregate supplement Mostly used as a feed to produce ground Mostly used as a feed to produce ground
granulated iron blast furnace slag (an SCM)granulated iron blast furnace slag (an SCM)granulated iron blast furnace slag (an SCM)granulated iron blast furnace slag (an SCM)Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
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Ground granulated iron blastGround granulated iron blastGround granulated iron blast Ground granulated iron blast furnace slagfurnace slag
Produced from granulated iron blast Produced from granulated iron blast f lf lfurnace slagfurnace slag
Can be:Can be:-- Directly added to concrete as a binderDirectly added to concrete as a binder Blended with Portland cement (or Blended with Portland cement (or ((
interground with clinker) to produce a interground with clinker) to produce a blended cementblended cement
Used as a mineral addition to cementUsed as a mineral addition to cement
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 2929
Amorphous SilicaAmorphous Silica Broad category of very fine pozzolansBroad category of very fine pozzolans Broad category of very fine pozzolans Broad category of very fine pozzolans
covered under AS3582.3covered under AS3582.3 Most common amorphous silica in Most common amorphous silica in
Australia is silica fumeAustralia is silica fume Used commonly in:Used commonly in:--
Hi h f tHi h f t High performance concreteHigh performance concrete Sprayed concrete (shotcrete)Sprayed concrete (shotcrete)
Geothermal natural pozzolans (New Geothermal natural pozzolans (New Zealand) also comply with the standardZealand) also comply with the standardZealand) also comply with the standardZealand) also comply with the standard
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3030
AS3972AS3972 –– Portland and BlendedPortland and BlendedAS3972 AS3972 Portland and Blended Portland and Blended CementsCements
Currently being reviewedCurrently being reviewed Current typesCurrent types
New issuesNew issues GP to contain up to 10% GP to contain up to 10% Current typesCurrent types
GPGP GBGB
ppmineral additionmineral addition
New classification of minor New classification of minor additional constituentsadditional constituents
HEHE SLSL
SRSR
additional constituentsadditional constituents These form part of mineral These form part of mineral
additionaddition SRSR
Note: Use of SL cement Note: Use of SL cement will not make low shrinkwill not make low shrinkwill not make low shrink will not make low shrink concreteconcrete
Same for SRSame for SR Same for SRSame for SRDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
T: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3131
Standards Update SummaryStandards Update Summary
AS3600 published in 2009AS3600 published in 2009AS1379 should undergo some changes toAS1379 should undergo some changes to AS1379 should undergo some changes to AS1379 should undergo some changes to reflect AS3600reflect AS3600--20092009
AS3972 currently under reviewAS3972 currently under review AS3582 seriesAS3582 series –– Planned reviews for flyPlanned reviews for fly AS3582 series AS3582 series –– Planned reviews for fly Planned reviews for fly
ash and possibly amorphous silicaash and possibly amorphous silica AS2758.1 AS2758.1 –– Concrete aggregates under Concrete aggregates under
reviewreviewDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
T: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3232
Sustainability and ConcreteSustainability and Concrete
Current thinkingCurrent thinking CSIRO Research CSIRO Research –– Latest DevelopmentsLatest Developments
Green Star: Where is it heading?Green Star: Where is it heading? Green Star: Where is it heading? Green Star: Where is it heading?
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3333
Sustainability: Current ThinkingSustainability: Current Thinking
The most widely used and most misunderstood The most widely used and most misunderstood term in the broad industryterm in the broad industryterm in the broad industryterm in the broad industry Scientific issuesScientific issues Legal issuesLegal issues Legal issuesLegal issues Commercial issuesCommercial issues
Lots of work going on (seems uncoordinated)Lots of work going on (seems uncoordinated) Lots of work going on (seems uncoordinated)Lots of work going on (seems uncoordinated) Some themes emergingSome themes emerging Is very important for engineersIs very important for engineers Role of concrete being debatedRole of concrete being debatedgg
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3434
Industry Group ActivitiesIndustry Group ActivitiesIndustry Group ActivitiesIndustry Group ActivitiesCCAA and the Concrete InstituteCCAA and the Concrete Institute
CCAA have new CCAA have new publicationspublications
Concrete InstituteConcrete InstituteSustainability has beenSustainability has beenpublicationspublications
Concrete: The responsible Concrete: The responsible choicechoice
Sustainability has been Sustainability has been highlighted as a major highlighted as a major issue at recent R&D forumissue at recent R&D forum
Sustainable concrete Sustainable concrete materialsmaterialsThermal mass benefits forThermal mass benefits for
Working group active on Working group active on this subjectthis subject
Works in with many otherWorks in with many other Thermal mass benefits for Thermal mass benefits for housinghousing
Sustainable concrete Sustainable concrete
Works in with many other Works in with many other issues currently being issues currently being handled by the Institute handled by the Institute (e g durability)(e g durability)buildingsbuildings
Sustainable concrete Sustainable concrete infrastructureinfrastructure
(e.g. durability)(e.g. durability)
infrastructureinfrastructureDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
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Industry Group ActivitiesIndustry Group ActivitiesIndustry Group ActivitiesIndustry Group ActivitiesADAA and ASAADAA and ASA
Ash Development Ash Development AssociationAssociation
Australasian (iron and Australasian (iron and steel) Slag Associationsteel) Slag AssociationAssociationAssociation
Sustainability is a Sustainability is a significant platformsignificant platform
steel) Slag Associationsteel) Slag Association Sustainability is a major Sustainability is a major
platformplatformgg Fly ash effectively used in Fly ash effectively used in
concrete toconcrete to Enhance performanceEnhance performance
Slag is available as:Slag is available as:-- Supplementary cementitious Supplementary cementitious
materialmaterial Enhance performanceEnhance performance Reduce embodied energyReduce embodied energy
Challenge: How to use Challenge: How to use SCM fl hSCM fl h
materialmaterial Granulate (sand)Granulate (sand) Air cooled material (coarse Air cooled material (coarse
aggregate)aggregate)nonnon--SCM fly ash SCM fly ash (significant resource)(significant resource)
gg g )gg g )
All effectively used in All effectively used in concrete and other concrete and other applicationsapplicationsapplicationsapplications
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3636
CSIRO ActivityCSIRO Activity Division of Sustainable Division of Sustainable
EcosystemsEcosystems Research summaryResearch summary
Raised by Dept of Climate Raised by Dept of Climate Change (Federal)Change (Federal) Funding for Climate Funding for Climate
Adaptation researchAdaptation research Dept of Climate ChangeDept of Climate Change
Change (Federal)Change (Federal) Engineering groups and Engineering groups and
other stakeholders had other stakeholders had Dept of Climate Change Dept of Climate Change and Energy Efficiency and Energy Efficiency (DCCEE) funded project on (DCCEE) funded project on “The influence of“The influence of
concernsconcerns No quantification and clear No quantification and clear
understanding in this areaunderstanding in this areaThe influence of The influence of climate change on climate change on deterioration of deterioration of concreteconcrete
understanding in this area understanding in this area beforebefore
DCCEE engaged CSIRO to DCCEE engaged CSIRO to l k hi il k hi iconcrete concrete
infrastructures”infrastructures”look at this issuelook at this issue
Project to be complete late Project to be complete late 201020100 00 0
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3737
R&DR&D –– Influence of ClimateInfluence of ClimateR&D R&D Influence of Climate Influence of Climate Change on Concrete StructuresChange on Concrete Structuresgg
Project in 3 partsProject in 3 partsReview of current practice onReview of current practice on
Cases modelledCases modelled Review of current practice on Review of current practice on
durability in design and durability in design and constructionconstruction
Bridge infrastructureBridge infrastructure Port infrastructurePort infrastructure
Simulation of concrete Simulation of concrete deterioration in Australian deterioration in Australian capital cities and mapping ofcapital cities and mapping of
Sewage infrastructure Sewage infrastructure (currently under way)(currently under way)
capital cities and mapping of capital cities and mapping of the deterioration in Australia the deterioration in Australia under changing climateunder changing climateEconomic implications of theEconomic implications of the Economic implications of the Economic implications of the above analysis by case studiesabove analysis by case studies
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3838
CSIRO Research Findings to DateCSIRO Research Findings to Date DurabilityDurability Key changesKey changes DurabilityDurability
Considered in designConsidered in design No standard considers potential No standard considers potential
Key changesKey changes Carbon dioxide Carbon dioxide
concentrationconcentrationppchange in environment on structureschange in environment on structures
Change should be considered in Change should be considered in design to reduce carbonation anddesign to reduce carbonation and
Increasing temperatureIncreasing temperature Humidity changesHumidity changes
S l l iS l l i h ih idesign to reduce carbonation and design to reduce carbonation and chloride induced deterioration by chloride induced deterioration by changing climate to maintain current changing climate to maintain current
li bilit ( t dli bilit ( t d
Sea level rise Sea level rise –– changing changing splash zonessplash zones
reliability (e.g. cover, cement, grade reliability (e.g. cover, cement, grade etc.) etc.) –– details will be released in the details will be released in the reportsreports
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 3939
Green Building Council ofGreen Building Council ofGreen Building Council of Green Building Council of Australia (GBCA)Australia (GBCA)( )( )
Green Star specification commonly called up on Green Star specification commonly called up on j tj tprojectsprojects
This specification has been changing and is This specification has been changing and is being continually developedbeing continually developed
Major issues raised with concrete materials Major issues raised with concrete materials jjspecification (Matspecification (Mat--5)5)
GBCA has set up a Concrete Expert ReferenceGBCA has set up a Concrete Expert Reference GBCA has set up a Concrete Expert Reference GBCA has set up a Concrete Expert Reference Panel to review the MatPanel to review the Mat--5 specification5 specification
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4040
MatMat--5 Review 5 Review -- GBCAGBCA
Current creditCurrent credit 3 points out of a possible3 points out of a possible
New creditNew credit Work in progress by theWork in progress by the3 points out of a possible 3 points out of a possible
142 allocated to concrete 142 allocated to concrete materialsmaterials1 point for 30%1 point for 30%
Work in progress by the Work in progress by the Concrete Expert Reference Concrete Expert Reference PanelPanelDrive to reduce PortlandDrive to reduce Portland 1 point for 30% 1 point for 30%
replacement by SCMsreplacement by SCMs 2 points for 60% 2 points for 60%
Drive to reduce Portland Drive to reduce Portland cement levels in concretecement levels in concrete
Often goes against Often goes against replacement by SCMsreplacement by SCMs
1 point for 20% 1 point for 20% replacement of naturalreplacement of natural
structural and civil design structural and civil design needsneeds
StructuralStructural--civil engineerscivil engineers --replacement of natural replacement of natural aggregateaggregate
StructuralStructural civil engineers civil engineers please get more involvedplease get more involved
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4141
Role of Fly Ash and Slag inRole of Fly Ash and Slag inRole of Fly Ash and Slag in Role of Fly Ash and Slag in Achieving SustainabilityAchieving Sustainability
Thought to be the solutions in the sustainability Thought to be the solutions in the sustainability debatedebate
Not solutions in themselvesNot solutions in themselves These materials can be used to facilitate projectThese materials can be used to facilitate project These materials can be used to facilitate project These materials can be used to facilitate project
technical requirements for efficienttechnical requirements for efficient DesignDesign DesignDesign Materials andMaterials and ConstructionConstruction ConstructionConstruction
ADAA and ASA strongly advocate the use of solid ADAA and ASA strongly advocate the use of solid technical data to support such project solutionstechnical data to support such project solutionstechnical data to support such project solutionstechnical data to support such project solutions
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4242
Sustainability and ConcreteSustainability and Concrete Key themes with Key themes with
concrete materialsconcrete materials Other broader themesOther broader themes
Design andDesign andconcrete materialsconcrete materials Embodied energyEmbodied energy Resource efficiencyResource efficiency
Design and Design and construction efficiency construction efficiency criticalcritical
Resource efficiency Resource efficiency (e.g. aggregates)(e.g. aggregates)
Waste reduction (e.g. Waste reduction (e.g.
Modifying materials Modifying materials may impact design may impact design
d id i( g( g
returned concrete)returned concrete) Water efficiency (e.g. Water efficiency (e.g.
and constructionand construction Dematerialisation Dematerialisation
importantimportantuse of recycled water)use of recycled water) importantimportant Engineers hold future Engineers hold future
solutionssolutionssolutionssolutionsDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
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Engineering Resources:Engineering Resources:Engineering Resources:Engineering Resources:Where to get HelpWhere to get Helpg pg p
Online informationOnline information How to be sure you ask the right questionHow to be sure you ask the right question
When to use expertsWhen to use experts When to use expertsWhen to use experts When all fails When all fails –– where to?where to?
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4444
O li I f tiO li I f tiOnline InformationOnline InformationConcrete Institute of Australia has information on keyConcrete Institute of Australia has information on key Concrete Institute of Australia has information on key Concrete Institute of Australia has information on key aspects discussed previously in this presentationaspects discussed previously in this presentation
Cement Concrete and Aggregates Australia (CCAA) haveCement Concrete and Aggregates Australia (CCAA) have Cement Concrete and Aggregates Australia (CCAA) have Cement Concrete and Aggregates Australia (CCAA) have resources on:resources on:-- Concrete specificationsConcrete specificationspp Concrete materialsConcrete materials Good practiceGood practice Cements and other component materialsCements and other component materials Other issuesOther issues
ADAA and ASA also have information available to helpADAA and ASA also have information available to help ADAA and ASA also have information available to help ADAA and ASA also have information available to help the designer the designer –– practitioner with use of fly ash and slagpractitioner with use of fly ash and slag
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4545
ADAA technical data sheetsADAA technical data sheets
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4646
Resources available on fly ashResources available on fly ash
New resource informationNew resource information Australian experience with fly ash in concreteAustralian experience with fly ash in concreteAustralian experience with fly ash in concreteAustralian experience with fly ash in concrete PostPost--tensioned structural fly ash concretetensioned structural fly ash concrete Fly ash in Australian StandardsFly ash in Australian Standards
Marine concreteMarine concrete Marine concreteMarine concrete Existing informationExisting information
SustainabilitySustainabilityyy Case studies on AAR and other concrete durability issuesCase studies on AAR and other concrete durability issues Reports on extensive R&D work done on fly ash as an SCM Reports on extensive R&D work done on fly ash as an SCM
in concretein concretein concretein concrete Comprehensive online library of technical papersComprehensive online library of technical papers
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4747
Resources Available on SlagResources Available on Slag
ASA has existing information on slagASA has existing information on slag ProductionProduction ProductionProduction SustainabilitySustainability Case studies on AAR and other concrete durability Case studies on AAR and other concrete durability
iiissuesissues Reports on extensive R&D work done on slag as an Reports on extensive R&D work done on slag as an
SCM in concreteSCM in concreteSCM in concreteSCM in concrete Comprehensive online library of technical papersComprehensive online library of technical papers
ASA is conducting a major review of its current ASA is conducting a major review of its current ff
g jg j“Guide to the Use of Iron Blast Furnace Slag in “Guide to the Use of Iron Blast Furnace Slag in Cement and Concrete” publicationCement and Concrete” publication
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4848
D bilitD bilitDurability:Durability:Some Useful ReferencesSome Useful References
CCAA: Chloride resistance of concreteCCAA: Chloride resistance of concrete CCAA: Guide on sulfate resistance of concreteCCAA: Guide on sulfate resistance of concrete Concrete Institute Z07: Durable concrete Concrete Institute Z07: Durable concrete
structures (under review)structures (under review) Concrete Institute Z13: Performance Criteria forConcrete Institute Z13: Performance Criteria for Concrete Institute Z13: Performance Criteria for Concrete Institute Z13: Performance Criteria for
Concrete in Marine Environments (under review)Concrete in Marine Environments (under review)
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 4949
Some useful sitesSome useful sites CCAA:CCAA: CCAA:CCAA:
www.concrete.net.auwww.concrete.net.au
C t I tit t f A t liC t I tit t f A t li Concrete Institute of Australia:Concrete Institute of Australia: www.concreteinstitute.com.auwww.concreteinstitute.com.au
Ash Development Association of Australia:Ash Development Association of Australia: www.adaa.asn.auwww.adaa.asn.au
Australasian (iron and steel) Slag Association:Australasian (iron and steel) Slag Association: www.asawww.asa--inc.org.auinc.org.augg
CSIRO:CSIRO: www csiro auwww csiro au www.csiro.auwww.csiro.au
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 5050
Where to From Here?Where to From Here?New AS3600New AS3600 Sustainability science is aSustainability science is a New AS3600New AS3600
Major review of AS3972Major review of AS3972“C t i ’t t”“C t i ’t t”
Sustainability science is a Sustainability science is a rapidly changingrapidly changing Drive is there to reduceDrive is there to reduce
“Cement ain’t cement” “Cement ain’t cement” ––they are complex and are they are complex and are strongly linked to SCMsstrongly linked to SCMs
Drive is there to reduce Drive is there to reduce Portland cement levels in Portland cement levels in concreteconcreteS t i tS t i tstrongly linked to SCMsstrongly linked to SCMs
Increased complexity in Increased complexity in using concrete using concrete –– get help get help
Seems to go against Seems to go against structural and civil design structural and civil design needsneedsgg g pg p
where neededwhere needed StructuralStructural--civilcivil--construction construction practitioners need to get practitioners need to get more involvedmore involvedmore involvedmore involved
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 5151
Where to get HelpWhere to get Help Ash DevelopmentAsh Development Cement Concrete andCement Concrete and Ash Development Ash Development
AssociationAssociation Resources on fly ashResources on fly ash
Cement Concrete and Cement Concrete and Aggregates AustraliaAggregates Australia Concrete specificationsConcrete specifications
Australasian (iron and Australasian (iron and steel) Slag Associationsteel) Slag Association
Concrete materialsConcrete materials Good practiceGood practice
Cements and otherCements and other Resources on slagResources on slag
CSIROCSIROR t i bilitR t i bilit
Cements and other Cements and other component materialscomponent materials
Other issuesOther issues Resources on sustainabilityResources on sustainability Huge historical databaseHuge historical database Concrete Institute of Concrete Institute of
AustraliaAustralia Current Practice NotesCurrent Practice Notes Recommended PracticesRecommended Practices
Online resources increasingOnline resources increasing Online resources increasingOnline resources increasingDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
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C t St d dC t St d dConcrete: Standards, Concrete: Standards, Sustainability andSustainability andSustainability, and Sustainability, and
Engineering ResourcesEngineering ResourcesEngineering ResourcesEngineering Resources
QuestionsQuestionsN & ffili tiName & affiliation
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 5353
ASEC 2010 / CECAR 5ASEC 2010 / CECAR 5
The 5The 5thth Civil Engineering Conference in the Asian Region, Civil Engineering Conference in the Asian Region,
in conjunction within conjunction with
The A st alasian St ct al Enginee ing Confe ence 2010The A st alasian St ct al Enginee ing Confe ence 2010The Australasian Structural Engineering Conference 2010The Australasian Structural Engineering Conference 2010
88thth –– 1212thth August 2010August 201088 1212 August 2010August 2010Sydney Convention and Exhibition CentreSydney Convention and Exhibition CentreDarling HarbourDarling Harbour
More information:More information: www.cecar5.comwww.cecar5.comDaksh Baweja Daksh Baweja –– DMC AdvisoryDMC Advisory
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F t M tiF t M tiFuture MeetingsFuture Meetings22 July Meeting22 July Meeting Rocco Bressi &Rocco Bressi &22 July Meeting22 July Meeting-- Rocco Bressi & Rocco Bressi &
Andrew ColangeloAndrew ColangeloAndrew Colangelo Andrew Colangelo Mid City BuildingMid City Building-- 420 George St420 George St
29 June Meeting29 June Meeting-- Chris DannChris DannDelivery of a DamDelivery of a Dam-- Value through Value through
InnovationInnovationInnovationInnovationVote of ThanksVote of Thanks-- Scott MunterScott MunterVote of ThanksVote of Thanks Scott MunterScott Munter
Daksh Baweja Daksh Baweja –– DMC AdvisoryDMC AdvisoryT: 02T: 02--90299029--2076 E: [email protected] E: [email protected] 22, 2010June 22, 2010 5555