结构物台背回填施工技术交底书

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。施工技术交底书工程名称张承高速公路L9合同段项目名称结构物台背回填施工技术交底交底时间2008年3月16日交底地点施工现场施工单位陕西省机械施工公司参加人员范长圣、屈海港结构物台背回填应严格执行施工规范及设计文件的有关要求,施工中应精心操作，严格控制，以提高台背回填质量，消除桥头跳车及超限沉降。一、适用范围本作业指导书适用于张承高速公路一期工程L9合同段内所有桥涵结构物的基坑和台背回填施工。二、施工组织本合同段成立专业结构台背回填施工作业队，承担本合同段内所有结构物的基坑和台背施工任务。人员配置：施工负责人范长圣工长2人试验员2人普工10人机械配置：装载机1台推土机2台压路机2台汽油冲击夯3台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。三、施工方法及施工工艺（一）墙体式桥（涵）台的回填1、基坑清理：将基坑内沉积及建筑垃圾清理至结构基础底面标高或原地表，并整平夯实。2、修整回填断面：结构物基础顶面以下部分清理坡面上虚土并整理成平整顺直的坡面，基础顶面以上部分需进行开挖以满足压路机作业要求，保证作业面底宽为4米，坡度按1：5控制，台后回填与路基搭接位置必须修成台阶，台阶宽度为200cm、厚度为100cm。3、回填：a、要求加填材料一律采用级配砂砾等透水性较好的材料，最大粒径小于5cm，含水量应按最佳含水量控制（原设计有特殊要求或本办法有特殊规定的部位除外）。b、回填前应在结构物基础和墙身表面用红白油漆标出填筑层次和每层的填筑高度控制线；基础顶面以上部分采用冲击夯施工，每层夯实厚度10厘米；基础顶面以上部分采用压路机碾压施工，每层压实厚度20厘米。c、用装载机将天然砂砾送至基坑内，人工摊开整平，当回填范围较宽时用推土机整平，台背回填段落较长时采用平地机整平，每层填土的铺压宽度应留出不小于30厘米的宽度余量以便于压路机能充分压实；虚铺系数按1.3控制；含水量按最佳含水量的+1%—+2%控制，应在填土同步进行。4、压实a、结构物基础顶面以下部分采用汽油冲击夯夯实，夯实时从台背开始，逐次向路基方向进行，每行夯印重叠10厘米；夯击3遍后检测压实度。b、结构物基础顶面以上部分采用压路机碾压，碾压时轮迹重叠30—50厘米；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.Eighthpitmustbebasedonrelevantlawsand