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1、江西煤矿安监局关于印发《江西省煤矿安全现状综合评价标准（2010年修订版）》的通知 赣煤安字〔2010〕200号 各设区市煤矿安全监管部门、省煤炭集团公司、各煤矿安全评价机构： 《江西省煤矿安全现状综合评价标准（2010年修订版）》（以下简称《评价标准》）经2010年12月8日局务会研究，同意备案，现将《评价标准》印发给你们，请遵照执行，并及时传达给辖区内煤矿安全管理部门及各煤矿企业。 江西煤矿安全监察局 二〇一〇年十二月二十二日summerofmasonryconstruction,brickrequiress
2、ufficientmoist.8.6.2.6youmusttakethefollowingmeasurestoconcreteconstructioninsummerhightemperatureimpactonconcretea.hardeningspeedup,vibratingdifficultiesreducedbleeding,fastdrying,easytocrack(plastic),highearlystrength,fastearlyhydrationheat,lesscooling,temperatureincr
3、easesrapidly,duetotemperaturedifferencecracks.B.pouringdaytimehightemperatures,duetothehightemperatureeffectofconcretestrength,stability,invaryingdegrees,onmixingprocesses,perfusionvibrationandmoistureconservation,effectivemeasuresshouldbetaken.2)mainmeasurestakenbya.te
4、mperaturecontrolthewatertemperatureinyourstandardmixproportionofconcrete2degrees,theconcretetemperature0.5degrees.B.withthecontrolledadditionofretarderagentcanreducetheeffectsofconcreteunderhightemperature,butmakesomeperformancedegradationofconcrete,sowhenyouareusingadd
5、itivesmustbeimplementeduponapprovalbythesupervisingengineer.C.timecontrolsuitableforworkatnight,shouldseektoreducethemixingtimeandshippingtimeathightemperatures.D.strengthentheconservationandhightemperaturesafterpouringintheearlydaysofcontinuouswaterconservationtopreven
6、tsurfacedryingandcoveringthin-filmwetgrassbagtomakeitmoistStatein24hours.8.6.38.6.3.1winterconstructionmeasuresinwinterconstructionpreparation1)requiredwinterconstructionmaterials,equipment,planningaheadoftimecomesinto65江西省煤矿安全现状综合评价标准(2010年修订版)江西省煤炭学会二〇一〇年十二月十日summerof
7、masonryconstruction,brickrequiressufficientmoist.8.6.2.6youmusttakethefollowingmeasurestoconcreteconstructioninsummerhightemperatureimpactonconcretea.hardeningspeedup,vibratingdifficultiesreducedbleeding,fastdrying,easytocrack(plastic),highearlystrength,fastearlyhydrati
8、onheat,lesscooling,temperatureincreasesrapidly,duetotemperaturedifferencecracks.B.pouringdaytimehightemperatur
