IS 456 (2000): Plain and Reinforced Concrete - Code of ...

1 Disclosure to Promote the Right To InformationWhereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

2 ! $ ' + - Satyanarayan Gangaram Pitroda Invent a New India Using Knowledge 0 1 ' 5 Jawaharlal Nehru Step Out From the Old to the New 1 + , 1 + Mazdoor Kisan Shakti Sangathan The Right to Information, The Right to Live ! > 0 B Bhart hari N ti atakam Knowledge is such a treasure which cannot be stolen Invent a New India Using Knowledge IS 456 (2000): Plain and Reinforced Concrete - code ofPractice [CED 2: Cement and Concrete ]July : 2000( R fflrmed2005 )IndianStandardPLAINANDREINFORCEDCONCRET E-CODEOFPRACTICE( FourthRevision)TenthReprintAPRIL2007(Inc ludingAmendmentsNo.)

3 Iand2) + IS456:2000 CONTENTSPAGESECTION1 GENERALJSCOPE2 REFERBNCES3 TERMINOLOGY4 SVMBOUSECTION2 MATERIALS,WORKMANSHIP, of of Concrete7 WORKABIUTYOF Mix andTreatmentof Time12 ASSEMBLYOFREINFORCEMENT 13 TRANSPORTING,PLACING, and ) J1111111313131414IS151515151517171718222 2222323232424252525252526262626 IS 456 Construction Joints and Cold Test Results of Sample16 ACCEPTANCECRITERIA17 INS" Methods of ,Workmanshipand Design Dead Loads, Wind Loads and Snow Shrinkage, Creep Other Forces and Combination of Dead LoadCounteractingOtherLoadsand THE ProbableVariationinDead Effective in ,HOLU) IS456 and Blocks and JoistsandHollowFiller Loading on of Bendin.

4 MomentDirectDesipMethodEquivalentFnmeMet hodShear in Flat SlabSlabReinforcementOpeningsin Flat SlabsGeneralEmpiricalDesign Method forWall~Subjectedto InplaneVerticalLoadsWallsSubjectedto ' (LIMITSTATEMETHOD)3 SSAFETYANDSERVICEAlIUI' State of .68686868 38 Load andU~ SubjectedtoCombinedAxial Shear OFSERVICEABILITY' ~ionMembersANNEXALIST OFREFERREDINDIANSTANDARDSANNEXBSTRUCTURA LDESIGN(WORKINGSTRESSMETHOD) Design in Permissible StressesB-3 PBRMIssIBLELoADS and Sbort ColumnswithLateral "\ :1000 PAGE696970707171717171717272127272747474 7S75757575167676718080808080808080808181 818181 IS456:~ , Combined DirectLoadandFlexureD-SSHEARB-S, ,2neaipShearStrenlthof of ShearReinforcementB '.

5 'EnhancedShearStrengthofSectionsClose to in Members Subjected to TorsionANNEXCCALCULATIONOFDEFLECTIONe-lT OTALD8 PLIIcnONC-2 SHOIlT-TBIMDBPLICTIONC-3 DBPLECI10 NDuETOSHRINKAGEC-4 DIFLECI10 NDUETOCREEPANNEXDSLABSSPANNINGIN TWODIRECTIONS0 1 IUmtAINIDSLAMD-2 SIM,tySuppotnSSUBSANNEXBSPPRCTIVILaNOTHO FCOLUMNSANNEXFCALCULAnONOFCRACKWID1lIANN EXGMOM! 'I2000 PLAINANDREINFORCEDCONCIITI-CODIorPRACI'I CE("owI"R,,,,,,,,,,)(PIa'2,FONWOrd,,."bu 'OII'II,.,)-Subltltute'Aa318:1995'fortAC lII',i.'.(PilI'1I,C/4UH~)-,DeletetII,mal er' ,'.(Pill' ,. ,)-Subltltute'CIa 'lor' '..(Pal-17, ) -SubltllUteIbefollowln,fortileexlaliDlID fomalIIble: Placlll'CDndlllt uDI,,_o/SIw WorluJbUlly(11 IIII)(1)(2)(3)BUDdinlconcrete;}Shallowae etlonl;VerylowS.

6 '. ' ; ,belma,willa,columna;Low25-75 Floon;Hindplacedpavements;Canallining;St ripfootingsHeavilyreinforced}sectionsin slabs,Medium50-100beams,walla,columna;Sl ipformwork;]Medium75 100 PumpedconcreteTrenchfi1l;]High100 IS0In-situpilingTremieconcreteVery ,internalvilnlOIS(aeedlevibralorl). "ofIeCIioILFortlemi.~ ( ).(Page19,Table4,columnS,,ub-heading)-Su bstitute'Free'for'Face' (Page27,claus ) -Delete.(PQge29, ):a)Substitute'specimens'lor'samples'in lines 2, )Substitute'IS9013'lor'IS9103' .I.(Page29,clause1'.1) -Substitute 'conditions'for'condition' inline3 ~:'matteragainst'I)':'I)The 'DIIPIIII_"appropriatelimitsin column2 ofTable11.'(Ptl,~29,claus 1'.

7 3,par 2 ) - Substitute'col3tlor'col 2' .(Page29,clalUe1'.4,line2 ) 'lor'1'.3-.:.(Ptl,~30,TableII,colum"3 ) - Substitute'~Ick-3'lor' , "II4t,or'.!..;~.,oj,:~~ to IS456:2000(Page33, ,line2 )Hll>stIMUlcticlt'f~'section'.[Page37,cl ause23.:.2~6-:-~bstilUte'b'-'O~~~lo'lor' 10'.'b'lor'b'and'b:lor'b:intheformulae.( Page46, !"-~bstil:F .\ '. , (c)(2),lasIline] -Substitute'6mm'for'16mm'.(Page62,clause 3%. ) -~ubstitute'H;"for'Hw e'in (Page62,clause3%. ,line4 ) - Substitute' 'lor' '.[Page62,clause3%. (b),line6 ] -Insert'"few'betweenthewords'but' and 'shall'.[Page65, (1),lastline]-InsertthefoJlowingafter the words 'depth of footing' :'in case offootingson soils, andIta distanceequalto half theeffectivedeptb of footing',(Page68,Table18,col4 ) -Substitute,_,for' 'againsttbeLoadCombinationDL+ll:(Page72, ) -Substitute'bd' for'bd'in theformula.

8 (Page83, ,line2 ) -Deletetheword'and' .(Page85,clause ,para2,line6)- Substitute 'Table 24'for'Table23'.(Page85, )-Substitutethefollowingfor tbeexistingformula:' )( )l ;~ , ,(Page90,clause ,line1 ) -Substitute'Where'lor'Torsion'.(Page93, ) -Substitute''efl''for'IlL'.( Page95,AnnexF ):a) The referencetoFig. 28 given in column 1 of tbe text along witb the explanation oCtbesymbolsused intheFig,28giventhereaftermaybereadjustb eforetbeformulagivenfor )Substitute 'compression'for'campression' intbeexplanation ofsymbol'a'.(Pages98to100,AnnexH)- Substitute the following for the existing ,B. ,PuneHindusranPreCabLimited,NewDelhiCent ralPuhlicWorksDepartment, ,OandhilllirANNEX H(ForeM'ord)COMMfITEECOMI)OSITIONC ementandConcreteSectionalCommittee,CEO2 CluJi.

9 ,," ,a'15 Cross,63-64 EastParkRoad,MalleswaralD,Banplore-S6000 3~eprUQI/in,OCLI ndiaLtd, ,.fDa S. (Alle'lIDt~) (Al'erlUlle).~CmspENOINEBR(DfSlGN)SUPI!I UNTBNDINOF.,NOINBa(S&,S)(Alte'lUJle)CHIS 'ENoINEBR(NAVOAMDAM)SUPElUNl'ENDINOENaIN EER(OCC)(Alter.'e)CHIEFENGINEER(R!sfAICH } (CONCREl!TecIINOUXiY)(A/terM/e)2(CDIII~C NI""3) ( Coll,imuulfrompa,e2 ) (A/ierMle)DlllEClOaJOINTD nucroR""'muJte) (OdOD)(N&W)DPJVIYDIRlCIOR(CMDD)(NW&S)(A/ tOlUJle) (Allemtlle) (Allenult~) (Alternate) (AltulIQle) (STANDARDS)(B&S)( )JOINTDIIlPLiOR(STANDAaDS)(B&S)(CB-II)(A ltenulte)SHIUN. (AIleJ'MIe) (Alterll4le) (AltulUlte) !(AltnlUlle) (AltmuJle) (A11el7 Ulk)MBMBERSHCRETARYDlllOCTOk(C'ML)(Alter lMle) (Alterll4.)

10 SHRJS. (AltOIUlIe) (AltG"rUIte) (Altemtllc) ' (AllemGle)Sl1 PBRIN1 BmINGENOINI'JIl(DfSION)ExID/l'M!ENoINm!. a(SMRDIVISION)(A/temale) (AI'..te) " (AlIe",,'e) (AI'..Ic)Amend :2000 RepresenJingGujaraaAmbuja CementsLid, ,HyderabadCenlralWaterCommission,NewDelh iHyderabadIndustrieslzd, ~r("hCentre(CSIR), ,MumbaiCentralBuildingResearchInstitute( CSIR),RoorkeeUniversityofRoorkee,Roorkee CementCorporationofIndiaLtd,NewDelhiRese arch,Designs&.StandardsOrganization(Mini stryorRailways).LucknowTheIndianHumePipe CompanyLad,MumbaiNationalTestJlouse,Calc ullaLarsen&. ,MumhaiStructuralEngineeringResearchCent re(CSIR),ChennaiHospitalServicesConsulta ncyCorporation(Iodia)lid,NewDelhiHousing andUrbanDevelopmentCorporationlJd, (RoadsWin&),NewDelhiCentralBoardofIrriga tion&Power,NewDelhiEngineer-In-Chlef' ,NewDelhiCentralRoadResearchInstitute(eJ IR), , 'sAssociationofIndia, , , ,NewDelhi3( ) (COIIIiIlMM"""" ~ \JMDI(A~"")StWYINODKuMAa0111010'(elYBag) ( ) (A't.)))