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LOW COST HOUSING 

SANJU BHANDARI

1OX11CV032

CIVIL ENGINEERING DEPARTMENTTHE OXFORD COLLEGE OF

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INTRODUCTION

• As the population grows, the price in every product increases Including

cement and construction material.

• ith the growth in population, the need !or residential properties are

mar"ing in all time demand in the construction industry.

• The environmental e!!ect is also to #e considered.

• Utili$ation o! the Alternate Materials can put a mar" in today%s

construction !or Environmental Protection and !or Cost Reduction.

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POPULATION AND HOUSING SHORTAGE STATISTICS

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AREAS OF CONCERN

• &evere shortage o! houses in

developing countries specially !or

 poor people.• &evere pro#lem o! management o!

agro industrial waste in developing

countries

• '(pensive ) scarce #uilding

materials and components.

• *eople may also need a!!orda#le

housing #ecause a change in their

lives has impacted on their

!inancial circumstances

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Low Cost or Cost Ef!t"# Ho$s"%&

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'ACTORS A''ECTING CHOICE O'

(ATERIALS AND TECHNOLOGIES

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TECHNOLOGY FOR ALTERNATIVE MATERIALS FOR 

LOW COST HOUSING

• ENERG) E''ICIENT

• ENVIRON(ENT'RIENDL)

• E(PLO)(ENTGENERATING

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LOW COSTHOUSING

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STRAW PANEL

LOW COST BUILDING (ATERIALS

CHARECTERISTICS

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OVERALL (INI(U( COST

REDUCTION *40%

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1+ DESIGN O' INDIVIDUALBUILDING

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 VERTICALELEMENTSWALLS

HORIZONTAL

ELEMENTSFLOORS & ROOFS

DOORS AND WINDOWS

STAIRCASE

COMPONENTS OF THE BUILDING

MOST OF THE COMPONENSTS ARE PRECAST

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LOAD BEARING STRUCTURE CHEAPER FOR NORMAL LOWRISE BUILDING AS IT REQUIRES LESSER CONCRETE AND

STEEL RODS THICK WALL PROVIDES THERMAL INSULATION

EASIER AND REQUIRES LESS TIME TO CONSTRUCTION

FLEXIBILITY & STRENGTH ADVANTAGE FOR FRAMESTRUCTURE

LOAD BEARING STRUCTURE  VS  FRAME STRUCTURE

TYPE OF STRUCTURE USED

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 VS

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HOLLOW CONCRETE BLOCK  VS BRICK M ASONRY 

 VS

HOLLOW CONCRETE BLOCK  VS BRICK M ASONRY 

One hollow block = appro! " #$an%ar% br&ck#So ' co#$ o( one hollow br&ck R# )* ' an% co#$ o( one br&ck +

Co#$ #a,e% &n con#$r-c$&on .// wall , Rs 20 vs Rs 40

Co#$ #a,e% &n con#$r-c$&on o( 0// wall ' Rs 15 vs Rs 20

 VS

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• CHEAPER THAN STONE AND

BRICK.• EASY TO HANDLE AND LIGHT

IN WEIGHT.

• BETTER INSULATION DUE TO AIR SPACE OR VOID.

• CONSUMPTION OF MORTAR

IS LESSER.• ENVIRONMENTAL FRIENDLY

TECHNOLOGY.

• PLACING OF VERTICALREINFORCEMENT IS EASIER 

HCB LOAD BEARING WALL IS 4% CHEAPER THAN CONVENTIONALRCC SYSTEM

HOLLOW CONCRETE BLOCK LOAD BEARING WALL

CAN BE USED IN FRAME STRUCTURE BUILDING AS WELL

!. MATERIALS ANDTECHNOLOGY 

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CIVIL ENGINEERING DEPARTMENTTHE OXFORD COLLEGE OF

L

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C"#$ #$' ( )** +#$(,-

P ARTIAL PRECAST S YSTEM

• PARTIAL PRE CAST SYSTEMUSES COMBINATION OFBOTH PRE CAST AND CASTIN SITU

• USE OF PRE CASTELEMENT REDUCES COST

• NO HEAVY LIFTINGEQUIPMENTS REQUIRED.

• NO NEED OF CEMENTPLASTER 

PRE CAST BEAM

PRE CAST SLAB

/ THICK CAST IN SITU CONCRETE

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 ADVANTAGES1

• CE(ENT CONSU(PTION42%

• (S ROD CONSU(PTION/%

• 'OR(WOR, RE-UIRED 3%

PARTIAL PRE CAST SYSTEM IS UPTO 40% CHEAPER THAN CONVENTIONAL CAST IN SITURCC FLOOR 

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 VSPRE CAST STAIR CASE IN SITU STAIRS CONSTRUCTION

• CONVENTIONAL CASTIN SITU EXPENSIVE'OR LOW COSTCONSTRUCTIONS

• CHEAPER AND -UIC,ER TOCONSTRUCT

• NO 'OR( WOR, RE-UIRED

• CAN BE CANTILEVER ORSI(PL) SUPPORTED

• CANTILEVER SUITABLE 'ORLOW COST CONSTRUCTIONBUT SI(PL) SUPPORTED(ORE DURABLE

PRECAST STAIRS VS IN SITU STAIRS

L

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CONSTRUCTION PROCESS

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LOW COST

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C.sSt$/ 

Do%str.t"o% Ho$ss "%

NAGPUR (..r.str.U%"t !o#r/ .r.145 s6+7tCost 8r U%"tRs+90000

Technologies used': As B:o!;s'"::r s:.< Roo7 'rro C%t .%/ ': As

Po:r Doors

Do%str.t"o% Ho$ss "%

DEHRADUN Utt.r.%!.:U%"t !o#r/ .r.145 s6+7tCost 8r U%"tRs+=0000

Technologies usedSo:"/>Ho::ow Co%!rt B:o!;sPr !.st P:.%; ? Jo"st Roo7 RCC Door 7r. Woo/ s$

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CO(PARISON

L5 $6( 7,6#'8

•  A"96( 6):6 40% $6(

• E':#-'9'( ;-#'*"<

• F)6(- $'6(-,$(#'

• L$)" -6,-$6 )- ,(#"#6*

• S,#()=" ;- 69)"" ;)9#"<

C':'(#')"+-)$(#$

• E>+'6#: )6 $9+)-*

• U66 9- -6,-$6

• S"5- )6 $9+)-*

• S,#()=" ;- )'< 6#? *+'*#'8 ,+'=,*8(

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R7r%!s

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THANK  YOU

 ACKNOWLEDGMENT

I WOULD LIKE TO THANK 

FOR THEIR SUPPORT ANDENCOURAGEMENT.

ART WITHOUT ENGINEERING IS DREAMING

ENGINEERING WITHOUT ART IS

CALCULATING

DR AMARNATH K @HOD@CIVIL DEPARTMENT

P-;. T.V. MALLESHAIAH

 AST. PROF SHIVANANDC G

 AND ALL TEACHING AND NON TEACHINGSTAFFS

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CIVIL ENGINEERING DEPARTMENTTHE OXFORD COLLEGE OF