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1、ShanghaiSureBlock-BesserBuildingMaterialsCompany.;LtdXiaShaTown,NanHuiCounty,Shanghai,China.Tel.(021)58140808,Fax.(021)58143535ConstructionMethodStatementforConcreteMasonryWall.砼砌体施工方法SitePreparation施工准备1.Allworkingareasapproximately4mwide,adjacenttothewal
2、lshouldbelevelandclean.工作面积需约4m宽，与墙体相邻的地方需干净和平整。2.AllfacingCMU`sshouldbeselectedatrandomfromseveralpallets(CMUCubes)andre-stackedneatlyinsmallplieswithineasyreachoftheMasonconstructingthewall.所有劈裂砌块砌筑时，必须从几包砌块中随机选取，砌块需整齐地就近堆放。3.Workingareasshouldbekeptclea
3、nsoasnottodamageorcontaminateblocks,thisalsomakesforasafeworkingarea.工作区需保持清洁并避免损坏砌块。SettingoutforCMUwall开始施工1.Fromconstructiondrawingsmarkontothefoundationusingmasonspencilorcrayonandtapemeasure,allwindow,dooropeningsandcontroljoints.Measurebetweencorners
4、anddooropeningsorcontroljoints,calculatethenumberofCMU`s(390mm+10mm=400mm)adjustmortarjointsslightlytofitCMU`stothenearest½block.MarkonthefoundationCMUandmortarjoint.Wheretherearemasonrycolumnsbetween,andmasonryabovewindows,whilesettingoutmakeallowancetoal
5、ignverticalmortarjointsinmasonrybelowandabovewindows.根据图纸将所有门、窗及控制缝的位置都用铅笔在基础梁上做好记号，计算墙角到门、窗洞口间的砌块模数(400mm)，通过灰缝宽度调整，尽可能将模数调至砌块模数的1/2，并在基础上标出砂浆灰缝的位置。窗间墙的上方墙体和下方墙体的灰缝需对齐。2.Checkpositionofallverticalrebardowels,toensurehollowswithinblocksalignwithsteeldowels
6、.核查预埋插筋的位置，确定插筋间距。Mortar砂浆砂浆采用地产砂与海螺水泥（经试验做出的配合比）搅拌而成。6of606/22/21ShanghaiSureBlock-BesserBuildingMaterialsCompany.;LtdXiaShaTown,NanHuiCounty,Shanghai,China.Tel.(021)58140808,Fax.(021)581435351.Mortarshouldbemixedwithcleanwater.需采用自来水搅拌砂浆。2.Mixershouldbec
7、leanpriortomixingmortar.搅拌前需清洁搅拌机。3.Toobtaingoodworkabilityandotherdesirablepropertiesofplasticcolorconsistentmasonrymortar,theingredientsmustbethoroughlymixed.Afterallmaterialsarebatchedintomixer,theyshouldbemixedfrom3to5minutes.Lessmixingtimemayresultinn
8、onuniformity,poorworkability,lowwaterretention,andlessthanoptimumaircontent.Longermixingtimesmayeffectstrengthofmortar.为使砂浆使用性能良好，砂浆成份需被彻底搅拌。材料倒入搅拌机后，需搅拌3~5分钟。如搅拌时间过短，则砂浆会出现不均匀，工作能力差，水份保持力不足和空气含有率不足的现象；搅拌时间过长
