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s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

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Page 1: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

ssC

odes

Cod

es FundamentalsFundamentalsgy

and

gy

and

hn

olog

hnol

ogte

Tec

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Tec

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Page 2: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

ReferencesReferences

Design and Control of Design and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008)

Fundamentals of Concrete, CD062 PCA 2007CD062, PCA 2007

Page 3: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

Up to 8% AirUp to 8% Air

7-15% Cement

60-75% Aggregates(Coarse and Fine)(Coarse and Fine)

14-21% Water

Page 4: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

Types of ConcreteTypes of Concreteypyp Bookcrete

Labcrete

R l t Realcrete

Page 5: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

Quality ConcreteQuality Concrete A mixture of CEMENT, WATER, and AGGREGATES

that will meet the requirements under which it isthat will meet the requirements under which it is expected to serve.

Page 6: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

Fresh Concrete PropertiesFresh Concrete Properties

Consistency

Workability

Uniformity Uniformity

Bleeding

Setting & HardeningHardening

Page 7: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

Hardened Concrete PropertiesHardened Concrete Properties

Drying Rate

h Strength

Durability

Permeability & Watertightness

b Abrasion Resistance

Volume Stability & C k C t lCrack Control

Page 8: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

ESSENTIALSESSENTIALS of Quality Concreteof Quality Concrete

1.1. Suitable MaterialsSuitable Materials

2.2. Proper Proportioning, Mixing, Proper Proportioning, Mixing, and Transportingand Transporting

3.3. Proper Placing & ConsolidationProper Placing & Consolidation

4.4. Proper Finishing & JointingProper Finishing & Jointing

5.5. Proper Curing Proper Curing

Page 9: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

Avoiding ProblemsAvoiding Problemsgg Design- Constructibility

Mix Design

Materials Selection

Placement Procedures

EnvironmentDesignDesign

Workmanship Environment

Page 10: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

DesignDesign--ConstructibilityConstructibilitygg yy Reinforcement location

Tolerances

Joints

Page 11: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

Mix DesignMix Designgg

Materials Materials

w/cm

Slump Slump

Strength

Durability Durability

Aesthetics

Page 12: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

Materials SelectionMaterials Selection

Cement

Supplementary Cementing Materials

Water

Aggregatesgg g

Admixtures

Page 13: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

PlacementPlacement

Transportation Transportation

Placement

Consolidation Consolidation

Finishing

C i Curing

Page 14: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

EnvironmentEnvironment

Hot & Cold Placement Hot & Cold Placement

Freeze-Thaw Cycles

Chemical Chemical

Page 15: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals
Page 16: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

SummarySummary

Desired Properties of Concrete:Desired Properties of Concrete: Consistency

Workability

Drying Rate

Strength Workability

Uniformity

l d

Durability

Permeability & Bleeding

Setting &

yWatertightness

Volume Stability & Hardening

yCrack Control

Page 17: s Code Fundamentals y and g nolo h e Tec oncre C · 2012-07-20 · Design and Control ofDesign and Control of Concrete Mixtures, EB001, PCA 2002 (rev 2008)PCA 2002 (rev. 2008) Fundamentals

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