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人工挖孔桩工程专项施工方案VIP免费

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ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccident"fourno"principle.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthe"whoisinchargeofwho'sincharge"and"hosemustbesafe"principlesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishing"safetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitiveness"awareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoraccidentinvestigations,relyonthemassestodoproductionsafetywork.Eighthpitmustbebasedonrelevantlawsandregulations,industrystandardsandcompanyandGod'sstandards,rulesandregulationsissuedbythecompany,developingrulesandregulationsforcoalproduction,institutionalizationa人工挖孔桩工程专项施工方案一、工程概述石壁站位于广州市番禺区谢石公路南侧,呈南北走向,北接会江站,南连广州新客站,主要施工内容为车站主体、车站附属(含通道、出入口、风道、风亭),为盾构过站站。根据本工程特点,本车站抗拔桩采用1500人工挖孔桩,桩长13米,桩间净距6.0米。中风化岩层采用人工风镐施工,根据挖孔桩施工中可能出现的问题,特制定本人工挖孔桩工程专项施工方案.二、方案制定依据因为人工挖孔桩具有单桩承载力大,工程造价底,孔径、孔型不受限制等的优点,受到建设单位及设计单位的欢迎;同时,它又在施工过程中所需的机具简单,技术含量不高,易于适时的过程控制,并且容易穿过孤石、清除沉渣,桩端嵌岩容易实现,成孔直观,砼质量高的好处,更受到施工单位的青睐。但是由于该种桩基础的应用还存在一定的局限性,孔内开挖条件差,强度大,加之现有的劳务队伍人员素质较低,施工单位疏于防范,防护措施不到位,致使施工过程中经常发生安全事故,给受害者造成痛苦,也给单位造成较大经济和信誉损失.因此,特制定本措施.三、人工挖孔桩工程发生事故的类别1、高处坠落。地面作业人员或行人不慎坠入井底;孔内作业人员、检查人员在上下孔过程中失衡或起升设备损坏而坠落。2、坍塌.孔壁土体或护壁与土体失衡坍塌。ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccident"fourno"principle.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthe"whoisinchargeofwho'sincharge"and"hosemustbesafe"principlesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishing"safetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitiveness"awareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksaf...

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人工挖孔桩工程专项施工方案

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