毛毡岭隧道施工量测论文VIP免费

第1页共15页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共15页论文浅谈毛毡岭隧道施工中的监控量测单位:中铁建14局作者姓名:胡杰指导老师:陈卫国联系电话:13169350462完成时间:2011年08月第2页共15页第1页共15页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共15页目录1绪论1.1、工程概况··························································11.2、全新的隧道施工概念···············································21.3、检测依据及目的···················································32隧道施工监控量测内容2.1监控量测要求·······················································42.2监控量测项目·······················································42.3监控量测频率·······················································5第3页共15页第2页共15页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共15页3监控量测点布设要求·················································64必测项目的监控量测方法4.1隧道现场调查························································64.2洞内围岩观察························································74.3周边位移监测·························································94.4拱顶下沉监测·······················································125隧道施工质量检测5.1锚杆锚固质量无损检测··············································14总结····································································15第4页共15页第3页共15页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第4页共15页致谢····································································浅谈毛毡岭隧道施工中的监控量测作者:中铁建14局江门至肇庆高速公路GII项目部胡杰1绪论1.1工程概况1.1.1概述江门至肇庆高速公路(江肇高速)J2合同段毛毡岭特长隧道经过低山丘陵地貌区，分离式双向6车道。左线起讫桩号LK72+688～LK77+450，全长4762m；右线起讫桩RK72+699～RK77+520。全长4821m；双洞总长9583m。隧道净高7.92m，净宽15.18m，进口为削竹式。衬砌类型有MD；QM5；SM4；SM3；SM2；JJ4；JJ2。中铁建14局江肇高速J2(G11)项目部承建毛毡岭隧道G11合同段，在接到施工图纸后，认真会审图纸，了解围岩类别，围岩走向、水文、地质情况，并对主要技术人员进行了技术交底，同时项目部组织成立了量测小组。项目部根据施工围岩类别分类和现场围岩监控量测条件、隧道工程规模、支护类型和施工方法等来选择了测试项目。现场监控量测项目分为必测项目(A类量测)和选择项目(B类量测)两大类。在江肇高速J2(G11)合同段毛毡岭隧道施工过程中，G11项目部认真进行隧道量控监测，并进行了大量的总结工作,积累了较丰富的经验。1.1.2工程地质(1)隧道地层:主要有震旦系变质砂岩及其风化层和中泥盆系老虎坳组、春弯组碎屑沉积岩。覆盖层岩性主要第四系坡积亚粘土。(2)断层：在烂柯山一带形成了区域性...