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1、课题编号：CBXX2012—01陕西省西乡县城北小学校本级课题申报书课题名称:《小学低段语文课堂中表达能力的培养策略研究》申报者:韩玉梅李霞单位名称:二年级教研组联系电话:13891645046QQ联系:314790103博客账号电子信箱:<314790103@qq.com>填表日期:2013-4-14西乡县教研室sitesscatteredworksurfaceshouldbedistributed.Brickmasonryconstructionismainlydistributedinthefactory,thefactoryworks.8.3.1materialdumpsinma
2、sonryconstructionmaterialsarepiledupinbatchesinthevicinityoftheconstruction,hand-to-mouth,andmaintainacertainreserve.8.3.2supplymortarHZS60concretemixingstationaftermixingwith5Tdumptrucktransporttothesurfaceoftheconstruction.8.3.3masonrymaterialtransporttransport5Ttipperwithgravelandothermaterial
3、stransportedtothesurfaceoftheconstruction.8.48.4masonryconstruction....Stone),canbeusedtosew,butitsamountshallnotexceedtheweightofmasonry10%.Stonemasonry:accordingtothedegreeofsmoothnessoftheworksurfaceisdividedintofinestones,semifinestone,crudestoneandstonewoolinfour.Stoneprocessingrequirementss
4、houldbeconsistentwiththesurfaceGBJ50203-20026th.theprovisionsofarticle3.2.8.4.2sand,gravel(1)sandandgravelqualityshallconformtoSD120-84table2.1.2and2.1.3requirements.Mortarandsmallersandaggregateconcreteused,requireddiameterof0.15~5mm,finenessmodulusfor2.5~3.0,layingstonemortarsand,itsmaximumdiam
5、eterisnotmorethan5mm;stonemortarformasonrysand,maximumsizelessthan2.5mm;(2)withtwo-gradedaggregateconcrete,gravelsizefor5~20mmand20~40mm.8.4.3cementandwater(1)masonryengineeringusingcementandmarkingshallcomplywiththetechnicalprovisionsofsection8.4.theprovisionsofparagraph3.1,arrivalofthecementsho
6、uldbevariety,grade,dateofstockpilingseparately,wetlumpsofcement,theprohibitionoftheuse.(2)waterqualitystandardsshouldberequired,mixingmortarandsmallaggregateconcrete.Onmixingandcuringofwaterqualitywhenthereisdoubt,mortarstrengthverificationshouldbecarriedout,thecompressivestrengthofthemortarifthe
7、waterisbelowstandard28daysthecompressivestrengthofmortarmadeofwaterbelow90%,thiswatercannotbeused.8.4.4smallaggregateconcreteandcementmortar(1)mixofcementitiousmaterialsmust92012年4月印制一、申报人基本情况课题名称小学低段语文课堂中表达能力的培养策略研究行政
