桥梁防水层施工方法

ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthewhoisinchargeofwho'sinchargeandhosemustbesafeprinciplesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishingsafetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitivenessawareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoraccidentinvestigations,relyonthemassestodoproductionsafetywork.Eighthpitmustbebasedonrelevantlawsandregulations,industrystandardsandcompanyandGod'sstandards,rulesandregulationsissuedbythecompany,developingrulesandregulationsforcoalproduction,institutionalizationan培养学生的阅读习惯，通过阅读欣赏短文，引导学生感悟大自然的美，激发热爱家乡的感情。语文生活，让学生认识到生活中处处有语文，学习语文应走出课堂，在生活中自主地认字。通过口语交际，培养学生交流的兴趣和交际能力。TQF-1型防水层作业指导书一、基面处理1.1为保证防水层的铺设质量和节省防水材料，桥面基层应平整。1、平整度的要求，用1m长的靠尺，空隙不大于10mm，空隙只允许平缓变化每米不应超过一处。2、如不符合第1条要求，对凸出处可用凿除的方法进行处理；局部下凹处用水泥砂浆进行找平，找平时，基底应洁净、湿润。3、对蜂窝、麻面作填补前，应清除蜂窝麻面中的松散层浮碴、浮灰，油污等，并使之湿润。4、用水泥砂浆做局部找平时，应在水泥砂浆中添加适量类似107胶的水溶性胶粘剂（也可采用其他性能相同的胶黏剂），以增加水泥砂浆与地基的连接。找平完成后及时养护。二、施工前准备1、涂刷防水涂料时基底应干燥。基层干燥鉴别的方法，一般可凭经验肉眼观察。也可用1m见方的塑料薄膜覆盖其上，利用阳光照射1~3小时后（或用吹风机加热的方法），观察是否出现水汽，若无水汽出现可视为干燥。2、材料、工具准备。本设计防水卷材采用TQF-1型防水卷材，防水涂料采用881-1型聚氨酯防水涂料。备好防水卷材，防水涂料，防水涂料拌合桶，220V电源，ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthewhoisinchargeofwho'sinchargeandhosemustbesafeprinciplesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishingsafetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitivenessawareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoraccidentinvestigations,relyonthemassestodoproductionsafetywork.Eighthpitmustbebasedonrelevantlawsandregulations,industrystandardsandcompanyandGod'sstandards,rulesandregulationsissuedbythecompany,developingrulesandregulationsforcoalproduction,institutionalizationan培养学生的阅读习惯，通过阅读欣赏短文，引导学生感悟大自然的美，激发热爱家乡的感情。语文生活，让学生认识到生活中处处有语文，学习语文应走出课堂，在生活中自主地认字。通过口语交际，培养学生交流的兴趣和交际能力。手枪式搅拌器，量具，刮板等。三、防水层施工1、防水涂料为A、B两种组份组成，使用时必须按产品使用说明进行配比，对甲、乙组份需用计量器称量，每次搅拌以不大于30Kg为宜。一般按照A:B=2:1的比例进行配比。2、防水涂料应搅拌均匀，搅拌时间约为3~5分钟，并搅拌至甲、乙两组份的混合液体发出黑亮为佳。3、当环境温度低于5℃以下时，可在搅拌防水涂料的同时，加入防水涂料重量的3~8%的稀释剂，如二甲苯、邻苯二甲酸二甲酯等。也可用间接蒸汽对防水涂料的甲、乙两组份分别预热，但预热时甲、乙两组份均不得受水，严禁明火加热。4、防水涂料混合液搅拌均匀后，从桥头的一端开始涂刷，每次涂刷宽度约90~100cm，用刮板往另一端涂刷，注意涂刷均匀，厚度1.5mm，可分1~2次进行。不得漏刷。5、一边涂刷混合液，一边铺贴防水卷材，防水卷材的铺贴应在防水涂料涂刷完毕后20分钟内完成。防水涂料的用量约为2Kg/m2。6、卷材铺设要平整，尽量不起拱，铺贴时应用刮板将防水卷材推压平整，并使防水卷材的边缘和搭接处无翘起，其他部分无空鼓。7、搭接前，用粉笔在需搭接的两幅防水卷材上画线标记，然后按标记线粘贴。搭接的粘贴宽度不得小于8cm。8、防水卷材应铺贴到挡碴槽底部后继续往上铺贴，铺贴垂直高度ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthewhoisinchargeofwho'sinchargeandhosemustbesafeprinciplesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishingsafetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitivenessawareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoracciden