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1、中平能化集团梨园矿宁庄井四7采区矿井安全生产责任制二〇一一年元月jointtreatment.Inadditiontoapprovalofthesupervisingengineer,twoadjacentblockspouringtimeintervalnotlessthan72h.(3)pouringlayerofPumaterialthicknessconcreteofPumaterialthickness,accordingtomixing,andtransportandpouringc
2、apacity,andvibratorsperformanceandthetemperaturesfactorsdetermine,generalsituationXia,cannotoverXiatableofprovidesconcretepouringlayerofallowsmaximumPumaterialthickness(mm)poundrealmethodandvibratorsofcategoryallowsmaximumthicknessinserttypesoftaxisv
3、ibratorsvibratorsheadlengthof1.25timestimessurfacetypeinnoreinforcedorlessreinforcedstructureinthe250insteelintensiveordoublesteelstructureinthe150attachedtypeplug-in3007.3.6Concreteconstructionprocesses,methodsbasedonconcreteconstructionstrengtharra
4、ngementofconcretemixingstation,whichmeetstheconstructionrequirements.Concreteconstructionprocedurediagramisasfollows:Foundationformwork-andacceptance-→→faceconcretemixing-acceptance-→→concretetransportation...Usingartificialclosedafterconcreteplacing
5、,ф2"Shakervibrationcompacting.(3)removalandmaintenance,mouldstrippingshouldbecarriedoutaftermeettherequiredstrengthoftheconcrete,concretecuringconcreteafterthe12~18hstartedconservation,conservationagentsapprovedbythesupervisionengineerfilmconservatio
6、norcoveredwithstrawbagsorwaterconservation,concretecuringtimeinthe14-21days,whenindry,hot,extendedto28daysormore.Horizontalconstructionjointinlargevolumeconcretepouringconcreteconservationintotheupperphase.(4)constructionjointtreatmentforhorizontalco
7、nstructionjointofeverywarehouse,afterthemarketclosed,concretefinalsettingrequiredbytheengineeraftercuttinghairforconcretesurfacetreatment;forgatedambottomlongitudinalseam,inadditiontocuttinghair,butshouldalsoadopt"staggered"constructionandsewnreinfor
8、cementisset,topreventtemperaturestressofconcretecracking.(5)thecellularconcretedefecttreatmentofconcretesurfacepittingorotherdefectsbysupervisionengineerindicatesthattherepairofthedamage.Beforetherepairpartsusingawirebrushorpressurerinsecleardefects,
