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 3370-2 (2009): Code of Practice Concrete structures forthe storage of liquids, Part 2: Reinforced concretestructures [CED 2: Cement and Concrete ]15 3370(Part2) : 2009~~~~gol.~~~~i\!ir~r~_~~1fl1T2 MCi4~dQJs6le~i(q~~IndianStandardCONCRETE STRUCTURESFORSTORAGEOFLIQUIDS-CODEOFPRAC TICEPART 2 REINFORCEDCONCRETESTRUCTURES( FirstRevision) ; BIS2009 BUREAUOFINDIANSTANDARDSMANAKSHAVAN.)
3 9 BAHADtJRSHAHZAFARMARGNEW DELHI110002 June200'JPriaGroup6 CementandConcreteSectionalCommittee,CED 2 FOREWORDThis IndianStandard(Part 2) (First Revision) was adopted by theBureauof draftfinalized by theCementandConcreteSectionalCommitteeha d firstpublishedin 1965. Thepresentrevision has been taken up with a view tokeepingabreastwith the rapiddevelopmentin the field ofconstructiontechnologyandconcretedesig n and also to bring furthermodifications in the light ofexperiencegained while applying the earlier version of this standard design andconstructionmethodsinreinforcedconcre teandprestressedconcretestructuresfor thestorageofliquids areinfluencedby theprevailingconstructionpractices,theph ysicalpropertiesofthematerialsand lay downuniformrequirementsofstructuresfor thestorageofliquidsgivingdueconsideratio nto the abovementionedfactors, thisstandardhas beenpublishedin four parts.
4 The otherpartsin theseries are:(part1): 2009 Generalrequirements(Part3):1967 Prestressedconcretestructures(Part4):196 7 Design tablesWhile thecommonmethodsof design andconstructionhave beencoveredin thisstandard,for design ofstructuresofspecialforms or inunusualcircumstances,specialliterature may bereferredto or in such cases specialsystemsofdesignandconstructionmay bepermittedonproductionofsatisfactoryevi denceregardingtheiradequacyandsafetybyan alysisor test or by thisstandardit has beenassumedthat the designofliquidretainingstructures,whethe rofplain,reinforcedorprestressedconcrete is entrustedto a qualifiedengineerand that theexecutionof the work iscarriedoutunderthedirectionofa IS 456.
5 2000'Codeofpracticefor plain andreinforcedconcrete(fourth revision)'andIS 1343 : 1980'Codeofpracticeforprestressedconcret e(firstrevision)',in so far as they apply, shall bedeemedto form part of thisstandardexcept where otherwise laid down in thisstandard. For a gooddesignandconstructionofstructure,use ofdenseconcrete,adequateconcretecover,go oddetailingpractices,controlofcracking,g oodqualityassurancemeasuresin line with IS 456 and numberofimportantmodificationsandchanges ,the mostimportantofthem being:a)Scopehas beenclarifiedfurtherbymentioningexclusio nofdams, pipes,pipelines,linedstructuresanddamp-p roofingofbasements;b)A newsub-clauseon loads has been added under theclauseon design;c}Regardingmethod ofdesign,it has beenspecifiedthat oneofthe twoalternativemethodsofdesign, thatis, limit statedesignandworkingstressdesignmay be used.
6 Andd}Provisionforcrackwidthcalculationsd ue totemperatureandmoistureandcrackwidth in matureconcretehave beenincorporatedas Annex A andAnnexB, theCommitteeresponsibleforformulationoft hisstandardis given in Annex thepurposeofdecidingwhethera particularrequirementofthisstandardis compliedwith, the final value,observedorcalculated,expressingthe results of a test oranalysis,shall beroundedoffinaccordancewithIS 2: 1960'Rulesforroundingoffnumericalvalues( revised)'.Thenumberofsignificantplacesre tainedin theroundedoffvalueshouldbe thesameas that of the specified value in thisstandard. IS 3310(Part2):2009 IndianStandardCONCRETESTRUCTURESFORSTORA GEOFLIQUIDS-CODEOFPRACTICEPART2 REINFORCEDCONCRETESTRUCTURES( FirstRevision)2 REFERENCESThe following standards contain provisions, whichthrough reference in this text.
7 Constitute provisions ofthis standard. At the time of publication. the editionsindicated were valid. Allstandardsare subject torevision andpartiestoagreementsbased on thisstandard are encouraged to investigate the possibilityof applying the most recent editions of the standardsindicated This standard (Part 2) lays down the requirementsapplicablespecifically to reinforcedconcrete structuresfor thestorageofliquids, in addition to the generalrequirementslaid down in IS 3370(Pan1). This standard does not cover the requirements forreinforced andprestressedconcretestructuresforstora ge of hot liquids and liquidsoflowviscosity andhigh penetrating power like etc.
8 Thisstandard also does not cover dams, pipes. structures anddamp-proofingof problems of shrinkage arising in the storageof non-aqueous liquid and the measures necessarywhere chemical attack is possible are also not dealtwith. The recommendations. however. may generallybe applicable to the storage at normal temperatures ofaqueousliquidsandsolutionswhichhave nodetrimental action onCOncreteand steel or wheresufficient precautions are taken to ensure protectionof Concrete and steel from damage due to ,action ofsuch liquids as in the case of :20001786: 20083370(Part1) : 2009(Part 4) : 1967 TItleCodeofpracticeforplainandreinforced Concrete (fourthrevision)Specification for high strength barsandwiresfor Concrete reinforcement(fourthrevision)Concretestr ucturesfor the storageofliquids - Code of Practice .
9 Generalrequirements(firstrevision)Design tables3 GENERALREQUIREMENTSD esign and construction of reinforced Concrete liquidretainingstructures shall comply with the requirementsof IS 3370 (Part I) and IS 456 unless otherwise laiddown in this be made for conditions of stresses thatmay occur in accordance with principles of methods of design and soundengineeringpractice. In particular. adequate consideration shall begiven to the effects of monolithic construction intheassessment of axial force. bending moment and retainliquidsshouldbedesignedfor both the full andempty theassumptionsregardingthearrangementsof loadingshouldbesuch as to cause the most critical effects.
10 For loadcombinations,water load shall be treatedas'dead10a'1'.Liquid loads should allow fortheactualdensity of thecontained liquidandpossible suspended or deposited silt or grit whereappropriate. For ultimate limit state conditions andworkingstress design, liquid levels should be taken tothe maximumlevel the liquid can rise assumingthat theliquid outlets are blocked. stateconditions,the liquidlevelshouldbetakentotheworkingtop liquid level or the overflow level as appropriate toworkingconditions. Allowance should be made for theeffects of any adverse soil pressures on the the compaction and/or surchargeof the soiland the condition of thestructureduringconstructionandin service.