Building With Bamboo Ved 261042

7/23/2019 Building With Bamboo Ved 261042

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Building with BambooWith emphasis on building elements

PRESENTED BY : VED PRAKASHDE

ROLL NO : 2!"#2

A$% SE$T&ON !


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& N T R O D ' $ T & O N Bamboo is a versatile, strong, renewable andenvironment friendly material. It is a member of the grassfamily, the fastest growing woody plant on the planet. It adapts

to most climatic conditions and soil types. It is exceedingly strong for its weight and can be usedboth structurally and as a nish material. Bamboo is recognizedas one of the most important non-timber forest resourcesbecause of the high socio-economic benets from bamboobased products. Bamboo can be recombined into useful

products and elements such as ooring, ceiling, walls, partitionwalls, trusses, domes, etc.A & % With the advent of new materials and technologies, theaim is to study the modern construction techni!ues andmethods that have been locally developed for bamboo

construction.O B ( E $ T & V E S". #o study important characteristics of bamboo as it signicantlycontributes to the structural soundness and durability of thehouses.

$. #o explore and study the modern construction techni!ues ofbamboo used for the construction of building elements.


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S $ O P E O ) * O R K #o study the possible construction techni!ues ofbuilding elements using bamboo, not only because of itsaesthetics, but also because of its proven durability andsuccess against natural disasters.

L & % & T A T & O N S #he study for seminar have limitations of theanalysis part of % &" and $ structures.

& S S ' E S". #o study the ideology and important characteristics ofbamboo, as it signicantly contributes to structuralsoundness and durability of houses.$. #o explore and analyze methods of construction andtechni!ues using bamboo for the construction of building

elements.'. #o study the use of bamboo in construction of temporarystructures.$ A S E S T ' D Y". (enugram , Wardha


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B A % B O O & N B ' & L D & N + S

Bamboo has good engineering properties and it is a feasiblesubstitute for other materials for housing and construction

sector.Bamboo has high tensile strength, very good strength toweight ratio. It can be easily wor)ed upon by simple tools.

It can resist forces created by high velocity wind andearth!ua)e.

Bamboo and components made of bamboo are environmentfriendly, energy e*cient and cost e+ective.

S E L E $ T & O N O ) B A % B O O S P E $ & E S

It should be available in large !uantity from near byplantations.

#ransportation should be economic.It should have good engineering properties. onside

ring these factors,D,nd-o.alamu/St-i.tu/is selected as itis available in abundance in the region andhas good engineering properties to be used

as a construction material.


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B A % B O O S & 0 E S

Bamboo sizes are generally specied by minimumdiameter, wall thic)ness, and length. or the type of construction covered,

olumn /0-"00mm dia

Wall thic)ness "0-

"$mm dia

Bamboo strips for inllpanels "/-$0mm wide, /-"0mm thic)


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1 building system in which bamboo comprises ofvarious elements and fulls the main structural role.

2ound bamboo columns and trussed rafters act asthe main load bearing element. omposite bamboo grid3cement mortar inllpanels act as shear walls to resist wind and seismic forces.#he system comprises of )O'NDAT&ON4 individual column footings.$OL'%NS4 bamboo culms set in3on concrete footing.*ALL &N)&LL4 a grid of split bamboo covered in wiremesh and cement mortar.)LOOR4 raised by $-' bric) courses, lled with rubbleand screeded.ROO) STR'$T'RE4 bamboo rafters or trussessupporting bamboo purlins.orrugated bamboo mat boardfor roof covering.DOORS AND *&NDO*S4 bamboo mat board shutters.

B A % B O O : A B ' & L D & N + S Y S T E %


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B A % B O O P R O T E $ T & O N Bamboo is susceptible to attac) by insects andfungi, and its life could be as low as one year when it is inground contact. 5owever, the durability of bamboo can be greatlyenhanced by appropriate specication and design, and bysafe and environment-friendly preservatives.PROTE$T&ON BY DES&+N

". 6arge roof overhangsprevent direct wetting ofwalls in heavy rains.

$. 7rainage channels3guttersto discharge water at a safedistance from the building.

'. #he ris) of ooring can bereduced by building on aslightly sloping site and using raised masonry or concretefootings.


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". 2aising bamboo columns orwall panels clear of the

ground reduces ris) oftermite infestation.

$. #ermite shield formed out ofgalvanized steel oraluminum sheet betweenfooting and walls.

PROTE$T&ON BY DES&+N

'. 5ollow culms should be plugged.

8. avity walls should be avoided.


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PROTE$T&ON BY PRESERVAT&ON

D&P D&))'S&ON %ETHOD Bamboo culms are

prepared to size andsubmerged in Borax3Boric 1cidsolution which is a watersoluble preservative forseveral days. #he preservativeenters the culm through ends

and holes drilled in internodes. #his process is suitable forboth green and dry bamboo.

HOT AND $OLD %ETHOD #he bamboo to be treated is submergedin a tan) of preservative that is directly heated

by re after being maintained at a constanttemperature for a period, the tan) is allowed tocool. 7uring the cooling process, thepreservative is drawn into the bamboo.

#he hot and cold method can be used forgreen or dry bamboo culms with either Boron or

reosote.


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$ O N S T R ' $ T & O N S E 1 ' E N $ EB'&LT&N $OL'%N 3 $OL'%N ON STEEL SHOE%ETHOD

". $. '.

8. 9.

:.

'a.

9a. :a.


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$ O N S T R ' $ T & O N S E 1 ' E N $ EB'&LT&N $OL'%N 3 $OL'%N ON STEEL SHOE%ETHOD

;. /.


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A N O V E R V & E *

STA+ES

". #reated bamboo columns

are in3on steel shoes orindividual concrete footings.#he plinth is built up to oorlevel using bric)s, stones.

$. #imber wall plate is xed to

the tops of the columns.#reated bamboo strips arewired to other and to steeldowels passing through thecolumn.

'. #he grid is covered inchic)en

mesh. ement plaster is done on both sides of the grid to anished thic)ness of 90-:0mm.


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)O'NDAT&ON AND )LOOR DETA&LS

". Where the column is set in the footing,it should be =800x800x800>mm deep.Where the column is set on the footingusing a cast-in steel shoe, the footingshould be =800x800x800>mm deep.

$. #he oor is raised by $00-800mmabove the ground level, using bric)s,concrete bloc)s3stones, to dene plinthperimeter. It is lled with compacted

earth, topped with half bric)s andscreeded with $0mm of cementmortar. $OL'%NS

". #reated bamboo culms, /0-"00mm in dia, provide basicload bearing framewor) for thebuilding. #he columns arespaced at intervals of ".$m.

$. #imber wall plate, "00x'/mmin cross section is xed to thecolumns by screwing or s)ew-

nailing into wooden plugs.


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*ALL &N)&LL PANEL

". #he wall inll comprises agrid of split bamboo,$0x"0mm, tied together at

"90mm spacing using mildsteel binding wire, and setbetween the columns.

$. hic)en mesh is xed onthe outer face of the grid.

'. ement plaster is appliedon both sides to a nishedthic)ness of 90mm.

ROO)

". #he roof comprisesbamboo trusses at ".$mspacing, located overthe columns.

$. #he 'mm B?@ are laid and xed using A-bolts and bitumenwashers.


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$ A S E S T ' D Y

VEN'+RA%4 SALOD D&STR&$T4 *ARDHA(enugram is a low-cost bamboo

based cluster housing proect. #his is a step forward towardsthe development of bamboocomposites for lightweight, cost-e+ective, durable, aesthetic andearth!ua)e resistant structures using

bamboo. #heproectincludes twodemonstration units and 8/ replicable units withparticipation of local people.

A + E N $ Y & N V O L V E D

(enugram is a combined e+ort of -

". Cational ?ission on Bamboo 1pplication, 7elhi.

$. 1proop Cirman, Cagpur.

'. @ampoorna Bamboo Dendra, 1mravati.

8. 1charya @hrimannarayan Eolytechnic, Wardha.


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* H Y * A R D H A 5 Wardha is the centrally located city connected toevery part of India by road, rail and air.

?ahatma %andhi stayed here and started his

movement for rural industrialization and rural development.#herefore, Wardha is a suitable place for technology

demonstration and its application for poor people.

D * E L L & N + ' N & T

A /ingl, dw,lling unitat V,nug-am

@ampoorna Bamboo Dendrawith Cational ?ission on Bamboo1pplication along with technicalexperts decided to underta)e!uantitative, !ualitative and safeconstruction proect to demonstrate

engineering use of construction. #he proect includes twodemonstration units and 8/replicable units with participation oflocal people.


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Plan at Plinth l,6,l

D * E L L & N + ' N & T

7welling unit consistsof4

?ultipurpose 5all =$.;9 x8.'0>m

Ditchen =$.;9 x "./$9>m

(erandah ='.00 x

$.';9>m Elinth area of a singledwelling is '"s!.mexcluding toilet unit. Elintharea of a toilet unit is$.


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) A B R & $ A T & O N O ) S T R ' $ T ' R A L % E% B E R S 1ll structural members li)e columns, beams, trusses,

purlins are pre-fabricated and made of bamboo. Bamboo ?at orrugated @heet =B?@>, Bamboo ?at

Board door and window frames and panels are the specialfeatures of this housing proect.

$OL'%NS1fter completing conventional

plinth, columns are erected. or a single

dwelling : columns are re!uired.

Bamboo.olumn .a7and gu//,t7lat, mad,

out o8 bamboomat/

P-,8ab-i.at,dBamboo

.olumn with.-o// b-a.ing/

$olumn -,ad9 8o- ,-,.tion


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) A B R & $ A T & O N O ) S T R ' $ T ' R A L % E% B E R S$OL'%NS

*all /,.tion with

8oundation d,tail/

$olumn i/ ,mb,dd,d inP$$ !:2:# u7 to ;


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) A B R & $ A T & O N O ) S T R ' $ T ' R A L % E %B E R$OL'%NS

$olumn d,tail/

BambooB-a.=,t//u77o-ting th,

-oo8

Bamboo/.-,w,d toa6oid/7litting

olumn consists of 8bamboos interconnected with

cross bracings. ross bracingsalso reduce e+ective length ofcolumn and helps in increasingload carrying capacity ofcolumn.


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) A B R & $ A T & O N O ) S T R ' $ T ' R A L % E % BE R SBEA%S

B,am -,ad9 8o- ,-,.tion

$olumn4 T-u// and B,am >un.tio

B,am -,/ting on .olumnand /u77o-ting B%$S

or a single dwelling 8 beamsare provided. @ingle beam consist of8 long bamboos with cross bracings.1dditional bamboos are provided tofacilitate the arrangements ofshelves and lofts.

8 bamboos are convenient toplace column cap, x beam and trussover cap.


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) A B R & $ A T & O N O ) S T R ' $ T ' R A L % E % BE R STR'SS

T-u// -,ad9 8o- ,-,.tion

Bamboo 7-,

8ab-i.at,d t-u///u77o-ting B%$Sand 7u-lin/? Al/o/,,n4 bamboomat/ u/,d inu77,- !3#th a-,ao8 wall 8o- light

and 6,ntilation? ' trusses are re!uired for a single dwelling. Fueen posttrusses are pre-fabricated as per drawings and specications.abrication of truss member is comparatively complicated. @inglebamboo is su*cient as a structural member of a truss though thedouble member is provided considering aesthetics and

convenience for oinery.


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TR'SS

T-u// d,tail/

D,tail at A @Plan

D,tail at B@El,6ation

D,tail at B @To7 6i,w

D,tail o8 +u//,t 7lat, at $


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) A B R & $ A T & O N O ) S T R ' $ T ' R A L % E %B E R S$O%POS&TE *ALL

Plan

omposite wall consists of

Bamboo mat as a ller.Wire mesh xed over matsurface.

Elaster in cement mortar "4: onboth sides.

Bric) masonry in cementmortar "4: is provided from plinthlevel up to '00mm height and

composite wall starts at this level.

$om7o/it, wall d,tail

Bamboo mat.on/i/t/ o8 hal8 /7lit

bamboo/ 7la.,d6,-ti.all9 at ""mm.3.? Low,- ,nd o8hal8 /7lit bamboo i/in/,-t,d in b-i.=ma/on-9? '77,- ,ndi/ C,d to th, ti,

b,am/ and ,t,nd,du7 to inn,- /u-8a.,


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) A B R & $ A T & O N O ) S T R ' $ T ' R A L % E %B E R S$O%POS&TE *ALL

$olumn /,7a-at,bamboo mat

Ho-iontal /t-i7/wo6,n a-ound hal8

/7lit bamboo

Bamboo columns are covered withbamboo strips in such a way that unctionbetween wall panel and columns will be freefrom gaps. olumns are covered separately tofacilitate alteration and modications withoutdamaging the composite wall panel. Wire mesh is xed over mat surface,as stretched as possible and $0mm thic)cement plaster in cement mortar "48 is appliedover mat surfaces on both sides. #otal thic)ness of omposite wall is;9mm which provides good temperature

insulation.


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) A B R & $ A T & O N O ) S T R ' $ T ' R A L% E % B E R SDOOR AND *&NDO* OPEN&N+S

Bamboo %at Boa-ddoo- and window

7an,l/? *indow 7an,lwith %?S? ba-/

7oor openings of size =mm, attached to the doorframe,provided at entrance. $ openings of=:00x"000>mm each in hall and )itchen areprovided with concrete bloc). 7oor and window frames consist ofbamboo mat board "9mm th). in 8 layers.#he size of frame is =:0x;9x$"00>mm. #o ensure safety, door and windowframes are xed in bric) columns

=$'0x$'0>mm. 7oor and window panels consist of"$mm th). B?B. #hic)ness of door panels is'0mm. Wooden batten of "0mm thic)nessand '0mm width is provided at edge, whichprovides sound base for xing hinges and

ensure safety.Doo- and window 8-am,/ C,d in b-i.=.olumn/


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$ O N S T R ' $ T & O N S E 1 ' E N $ E

VEN'+RA% D*ELLL&N+

B-i.= ma/on-9 8-om /u-8a., o8

b,d .on.-,t, u7 to g-oundl,6,l ""mm and 8-om g-oundl,6,l u7 to 7linth l,6,l


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$ O N S T R ' $ T & O N S E 1 ' E N $ E

VEN'+RA% D*ELLL&N+

9.:. ;.

)iing7-,8ab-i.at,db,am/ o6,-.olumn/

)iing 7-,8ab-i.at,d

t-u//,/ on7-,8ab-i.at,d.olumn/ andb,am/?

Pu-lin/ a-, 7la.,d

o6,- 7-,8ab-i.at,dt-u//,/ to /u77o-tB%$S?

Pla.ing andCing B%$S on

7u-lin/

P-o6iding bamboomat .om7o/it,

wall

Bamboo.olumn/ a-,

.o6,-,d

/.


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$ O N S T R ' $ T & O N S E 1 ' E N $ E

VEN'+RA% D*ELLL&N+

A77l9ing .hi.=,nm,/h A77l9ing .,m,nt7la/t,- o6,-bamboo mat

)iing mm th=?B%B and bamboo>ali at gabl, ,nd

"". "$. "'.

P-o6iding doo- 7an,lwith n,.,//a-9a..,//o-i,/

"8.

$om7l,t, dw,lling

unit

"9.


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% E R & T S O ) B A % B O O & N B ' & L D & N +

!? A))ORDAB&L&TY

oundations are minimized, wall panels are non-loadbearing and can be reduced in thic)ness, and the basic

components =bamboo, wire, bolts, chic)en mesh> areinexpensive.2? S'STA&NAB&L&TY ANDENV&RON%ENTAL &%PA$T Bamboo is a renewable resource with a short rotationperiod and can be grown on degraded land. It is treated usingenvironment-friendly preservatives. #he use of high energy

embodied materials =cement, steel> is minimized.

? $'LT'RAL A$$EPTAB&L&TY

#he system o+ers traditional materials in a modernengineering context.

#? D'RAB&L&TY AND SA)ETY 1ll bamboo components are treated with safepreservatives to give extended life, the structure is engineeredto resist wind and seismic forces, and other imposed loads.


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D E % E R & T S O ) B A % B O O & N B ' & L D & N+Bamboo lac)s natural durability which contributes to the

view of bamboo as a temporary material.

Bamboo is susceptible to attac) by insects and fungi andits service life could be as low as one year when it is inground contact.

Bamboo cannot span very large structures and high risebuildings cannot be made from it.

Bamboo ?at orrugated @heets absorbs moisture moreas compared with asbestos and plastic corrugated sheets.#his may inuence its durability in external utilization.


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R E $ O % % E N D A T & O N S

#o avoid direct contact of bamboo withconcrete, bamboo column can be xed in steelsoc)ets of large diameter than the diameter ofbamboo with nut and bolt arrangement.

#his steel soc)et can be embedded inconcrete and gap between bamboo and steelsoc)et can be lled with exible material li)e

mixture of tar, sand and gravel.

Bamboo ?at orrugated @heets usedshould be coated with waterproof and reresistant coating. 1s color of B?@ and coatmay fade in due course when it is exposed to

atmospheric conditions.

5ence, a suitable oil paint should be applied overB?@ for longer life.


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R E $ O % % E N D A T & O N S

Plan

El,6ation5alf split bamboos can beclosely spaced and tied over twohalf split horizontal supports andpartition out of bamboo can beeasily erected. Bamboo mat partition also facilitates theprovision of light and ventilation. #his method can also be used forcladding of walls, ceiling, columns and as adecorative element in interiors. #his method canalso be used for false ceiling.


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R E $ O % % E N D A T & O N S

ashew nut oil should be applied over exposed bambooregularly, to improve the life and service of bamboo members

and aesthetic also.#o ma)e proper oints, bambooshould be screwed and not nailed toavoid splitting of bamboo.

Bamboo /.-,w,dto a6oid /7litting

1fter fabrication, culms should beclosed from both sides with properinll material, to avoid insects andtermites enter it.

$ulm/ .lo/,d 8-omboth /id,/ with

/uitabl, mat,-ial


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B & B L & O + R A P H Y

Bamboo #he gift of the %ods By Hscar 5indalgo 6opez

Cational ?ission on Bamboo 1pplication, 7elhi - #he Bamboo boo) =#raining manual> - Building with Bamboo =#raining manual>

(enugram =#echnical manual>

Internet

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Building With Bamboo Ved 261042