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1、3—3卷材防水层施工工艺标准(SEJ/BZ-0303-2002)1范围本工艺标准适用于受浸蚀性介质或受振动作用的地下工程主体迎水面铺贴的卷材防水层。2施工准备2.1材料及要求卷材防水层应采用高聚物改性沥青防水卷材和合成高分子防水卷材,所选用的基层处理剂、胶粘剂、密封材料等配套材料,均应与铺贴的卷材材性相容。2.1.1高聚物改性沥青防水卷材1高聚物改性沥青防水卷材的主要物理性能应符合表1的要求:表1高聚物改性沥青防水卷材主要物理性能项目性能要求聚酯毡胎体卷材玻纤毡胎体卷材聚乙烯膜胎体卷材拉伸性能拉力(N╱50mm)≥80(纵横向)
2、≥500(纵向)≥300(横向)≥140(纵向)≥120(横向)最大拉力时延伸率(%)≥40(纵横向)-≥250(纵横向)低温柔度(℃)≤-15Nowuntiltheendoftheyearonlythreemonthstime,theworkisinacrucialstage,themunicipalPartycommittee,municipalgovernmentspecialdeploymenttocarryoutthecreationofthenationalcivilizedcitycomprehensiverect
3、ificationaction,fullyshowsthatattachesgreatimportancetothiswork,showstheimportanceandurgencyofthiswork.Justnow,ComradeYangmadeanimportantspeech,theworldincreasedcomradesread,wehavetoseriouslystudyandunder
4、standandgrasptheimplementationof.Below,Isaythreepoints.First,recognizethegap,theunityofthinking,aprofoundunderstandingoftheimportanceandurgencyofthecomprehensiveimprovementofthecomprehensivemanagementoftheoutstandingissuesOnSeptember12,andIQingBin,WangBinandtheworldi
5、ncreasescomradestogether,headedtoBinzhouCityisthecomprehensiveimprovementoftheurbanenvironmentalproblemshighlightedthestudy.BinzhouCitywiththehelpofthisyear,theNationalHealthCityreviewwelcomeopportunities,withjustmorethantwomonthstime,deepeningtheurbanenvironmentalsp
6、ecialrectification,theappearanceofthecityoccurredgreatchange,weseedeeplyshocked.Environmentisthephysicalcarriersoftheurbanimage,localdevelopmentisthe113mm厚,r=15mm;4mm厚,r=25mm;3s,弯180°,无裂纹不透水性压力0.3MPa,保持时间30min,不透水1配套材料:(1)氯丁橡胶沥青胶粘剂:氯丁橡胶加入沥青及溶剂配制而成的黑色液体;用于油毡接缝的粘结。(2)橡
7、胶沥青乳液:用于卷材粘结。(3)橡胶沥青嵌缝膏:用于特殊部位、管根、变形缝等处的嵌固密封。(4)汽油、二甲苯等:用于清洗工具及污染部位。1.1.2合成高分子防水卷材1合成高分子防水卷材的主要物理性能应符合表2的要求:表2合成高分子防水卷材主要物理性能项目性能要求硫化橡胶类非硫化橡胶类合成树脂类纤维胎增强类JL1JL2JF3JS1拉伸强度(Mpa)≥8≥7≥5≥8≥8断裂伸长率(%)≥450≥400≥200≥200≥20低温弯折性(℃)-45-40-20-20-20不透水性压力0.3MPa,保持时间30min,不透水2配套材料:(
8、1)Nowuntiltheendoftheyearonlythreemonthstime,theworkisinacrucialstage,themunicipalPartycommittee,municipalgovernmentspecialdeployme