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上海交通大学硕士学位论文钢筋混凝土结构施工期安全分析与控制软件SAC的工程实践评测姓名：曹军申请学位级别：硕士专业：建筑与土木工程指导教师：刘西拉20050901SAC[1][2][3][4][5][7]SACSACSACSACSACSACSACPRACTICEANDEVALUATIONOFTHE“SAC”SOFTWAREONSAFETYANALYSISANDCONTROLOFREINFORCEDCONCRETSTRUCTURESDURINGCONSTRUCTIONABSTUCTThelifecycleofstructuresincludesthreestages:construction,service,andmaintenance.Duringconstructionofthehigh-riseconcretestructure,contractorsmustassuresafetyofthetime-dependentstructureandhighconstructionefficiencyatthesametime.Thereforeanappropriatesafetylevelisrequired.Atthepresenttime,however,thereisstillnosafetylevelprovidedbyanydesignstandardandconstructioncode,neitherdoesanyaccuratemodelforthestructuralanalysisduringconstruction.Thoseareoneofthemainreasonswhysafetyaccidentsduringconstructionofstructuresarefarmorethanthoseduringservice.Inordertoanalyzeandcontrolthesafetyofreinforcedconcretestructureduringconstructionperiod,theloadstransmissionbetweenthepartiallycompletedstructureandshoringsystemmustbestudied.TheCivilEngineeringDepartmentatTsinghuaUniversityhasdoneawiderangeofstudyonthistopic.Basedonthoseworks,theCivilEngineeringDepartmentatTsinghuaUniversityandNo.7BeijingConstructionCompanyjointlydevelopedaprogramnamed“SafetyAnalysisandControlProgramforthereinforcedconcretestructuresduringconstructionperiod–SAC”andithaswonthethirdprizeofBeijingSACScienceandTechnologyProgressAward.Thecontributionofascientificresearchshallbeevaluatedbypractice.Atpresentstage,SACprogramhasnotbeenpracticedintoenoughrealconstructioncases.However,onlywithmasspracticeinalltypesofconstructionprojects,thedeficiencyoftheprogramwillbeexposedthatmaycreatefutureimprovement.Thus,theevaluationoftheprogramduringpracticebecomesveryessential.ThepresentthesisdemonstratesthetheoreticalprecisenessandpracticalfeasibilityofSACprogramprovedbyseveralcasesoftypicalreinforcedconcretestructureprojectsbydrawingchecks,planevaluations,siteinvestigations,meanwhiletheSACprogramalsobeusedtoanalyzethestructuresafety.Besides,theprogramanalyzedsomeofthemainfactorsaffectingthestructuralsafetyduringconstructionperiodaswellasproposedtooptimizethedetailedconstructionplan.Moreover,inordertoevaluatetheprogrammorecompletely,thethesisdemonstratestheadvantagesanddisadvantagesofSACprogramwithrespecttoothermarketedsimilarprograms.ThethesisquantitativelydemonstratesthesafetylevelandeconomylevelofsomeprojectsanalyzedbySAC.Itreflects,tosomeextent,thegeneralstatusandcurrentexistingshoringproblemsofhighrisebuildingsafetyduringconstructioninShanghai.Lastbutnotleast,baseonthepracticeofSACprograminconstructionprojectsofShanghai,thepresentthesisprobesintotheSACinsufficiencyoftheprogramduringpractice.Authorintroducesthesolutionsforsomeoftheinsufficiencyforfutureimprovements.KEYWORDS:reinforcedconcretestructure,constructionperiod,formworksupport,evaluationofprogramSAC1[1][2][2][3][4]FIG.1-1CollapseBuildingsduringConstrctionandService[3],()SAC2[5][6][7][7][2][8]SAC3[8]123413232345Grundy-Kabaila1.05-1.106[9][10]SAC4[11][12][13][14][15][16][17]TDSASAC5SACSAC[18][19]µ=0.19KN/m2ó0.41KN/m2SAC6[20]S=C.Q1-2CS=SRC+SFM+SL+SS1-3SRC=CRC.QRCSFM=CFM.QFMSL=CL.QLSS=CS.QSCRCCFMCLCSQRCQFMQLQSSAC7SSt=S(SRCSFMSLSSt)(1-4)1KM2KA3SAC8KPRRRR(t)R(XMXPXAt)1-5XMXPXASRSRZt=R(t)-S(t)(1-6)Zi,min=Ri,min-Si(1-7)R(t)-(SRC+SFM+SL+SS)=0(1-8)R(t)-CRCQRC-CFMQFM-CLQL-CSQS=0(1-9)SAC9ß[21]SAC10SAC11SACSAC2-186000C300.1m5.95.4FIG.2-1ShanghaiJiubaiPlazaProjectSAC12SAC2-22-32-4FIG.2-1TheStructureformshapeofJiubaiPlazaFIG.2-3TheStructurePlandrawingofJiubaiPlaza900012000SAC13FIG.2-4TheStructureSectiondrawingofJiubaiPlaza400*1200mm400*1000mm10mm12@150mm1.58%800*800mm483.51.0*1.0m0.25KN/m211414128SAC2-52-680080040010001004001200SAC14FIG.2-5TheMomentSketchwhenthebottomFalseworkbackoutFIG.2-6TheMomentSketchwhenthetopfloorconcretecast22-1SAC152-1KN.m101*00018.173.3-4.041.381012142*00014.961.26-2.451.381028.453.41-4.151.381023283*0001#2.550.14-1.061.381024.150.86-2.071.3810312933.220.40-1.381.5212.45-1.441.151.381026.171.73-3.071.381038.213.22-3.861.381044424*00012#3.070.76-1.451.381033.640.67-1.721.3810524343.210.40-1.371.52SAC1625.01-1.781.771.381036.131.62-2.971.381048.303.24-3.901.381065565*00023#3.010.67-1.361.381043.700.69-1.761.3810735753.210.40-1.371.5235.14-1.741.861.381046.151.62-3.021.381058.293.23-3.891.381086706*00034#3.020.69-1.371.381053.690.69-1.751.3810947163.210.39-1.371.5245.08-1.871.701.381056.151.62-3.021.381068.293.23-3.891.3810107847*0004115855#3.020.69-1.371.3810SAC1763.690.69-1.761.381073.210.39-1.371.5255.09-1.871.691.381066.161.61-3.031.381078.293.23-3.891.3810128988*00056#3.020.69-1.371.381073.690.69-1.761.38101369983.210.38-1.371.5214310.0(2-7)55250112000m21220000m2700mm250mSAC1834H100mmH80mm60mm36mmFIG.2-7TheMomentSketchwhenthetopfloorconcretecas1-56-182-86-183.3mC40120mm12@100,12@1502400*1000mm800*1200mm6mFIG.2-8TheStructurePlandrawingofOasisApartment52005200520060006000600080010008000SAC197+1.0*1.0m3.575%81.98GB50204-2002100%8100%6-18SACEXCEL66-181-132-22-2KNKN.m101*000113.652.84-9.51-0.7510.01272*00017.622.20-6.490.8810.0215.752.37-12.16-0.5410.023143*000S