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1、嘉利明珠城混凝土工程裂缝防治监理细则编制人：日期：审核人：日期：批准人：日期：summerofmasonryconstruction,brickrequiressufficientmoist.8.6.2.6youmusttakethefollowingmeasurestoconcreteconstructioninsummerhightemperatureimpactonconcretea.hardeningspeedup,vibratingdifficultiesreducedbleeding,fastdrying,easytocrack(plastic),highe
2、arlystrength,fastearlyhydrationheat,lesscooling,temperatureincreasesrapidly,duetotemperaturedifferencecracks.B.pouringdaytimehightemperatures,duetothehightemperatureeffectofconcretestrength,stability,invaryingdegrees,onmixingprocesses,perfusionvibrationandmoistureconservation,effectiveme
3、asuresshouldbetaken.2)mainmeasurestakenbya.temperaturecontrolthewatertemperatureinyourstandardmixproportionofconcrete2degrees,theconcretetemperature0.5degrees.B.withthecontrolledadditionofretarderagentcanreducetheeffectsofconcreteunderhightemperature,butmakesomeperformancedegradationofco
4、ncrete,sowhenyouareusingadditivesmustbeimplementeduponapprovalbythesupervisingengineer.C.timecontrolsuitableforworkatnight,shouldseektoreducethemixingtimeandshippingtimeathightemperatures.D.strengthentheconservationandhightemperaturesafterpouringintheearlydaysofcontinuouswaterconservatio
5、ntopreventsurfacedryingandcoveringthin-filmwetgrassbagtomakeitmoistStatein24hours.8.6.38.6.3.1winterconstructionmeasuresinwinterconstructionpreparation1)requiredwinterconstructionmaterials,equipment,planningaheadoftimecomesinto混凝土结构工程裂缝防治监理细则编号：总师室—13各现场项目监理组：我公司在监理过程中，发现在砼结构中常有裂缝产生，为确保工
6、程结构的安全度和使用功能不受影响，特发《混凝土结构工程裂缝防治监理细则》给你们，以备在浇筑砼时对材料质量、施工工艺、构造措施等方面，做对“三控制”，作为防治裂缝的预防措施。长宁建设投资监理有限公司总师室二000年十二月七日撰稿：张春瑞审核：徐钦辉审定：郑静生summerofmasonryconstruction,brickrequiressufficientmoist.8.6.2.6youmusttakethefollowingmeasurestoconcreteconstructioninsummerhightemperatureimpactonconcretea.h
7、ardeningspeedup,vibratingdifficultiesreducedbleeding,fastdrying,easytocrack(plastic),highearlystrength,fastearlyhydrationheat,lesscooling,temperatureincreasesrapidly,duetotemperaturedifferencecracks.B.pouringdaytimehightemperatures,duetothehightemperatureeffectofconcretes
