“4.25”地震灾后交通恢复重建(一期)工程第D标段锚索地梁施工方案“4.25”地震灾后交通重建项目第D标段锚索地梁施工方案编制:____________________审核:____________________批准:____________________中铁二十局西藏一公司“4.25”地震灾后交通重建工程D标项目部二0一六年五月“4.25”地震灾后交通恢复重建(一期)工程第D标段锚索地梁施工方案目录一、编制依据··································································1二、编制范围··································································1(一)编制原则····························································1(二)质量保证原则······················································1(三)工期保障原则······················································1(四)技术可靠性原则···················································1(五)经济合理性原则···················································2(六)环保原则····························································2(七)以人为本的原则···················································2三、工程概况··································································2(一)气象··································································2(二)沿线地震动参数···················································3(三)沿线水文地质概况················································3四、临时工程··································································3五、施工准备··································································3(一)开工前准备·························································3六、锚索地梁施工方案······················································5(一)脚手架搭设·························································5(二)搭设要求····························································5(三)人工凿打清除坡面松散岩石····································6(四)锚索地梁施工工艺················································6七、外观质量控制····························································8(一)原材料进场·························································8八、质量保证措施····························································8(一)技术交底····························································8(二)原材料检查·························································8(三)配合比控制·························································8“4.25”地震灾后交通恢复重建(一期)工程第D标段锚索地梁施工方案(四)质量保证体系······················································8九、安全生产管理措施······················································8(一)施工人员安全教育与训练·······································8(二)高空作业安全保证措施··········································9(三)现场交通安全保证措施··········································9(四)施工用电安全保证措施·········································10(五)消防防火安全保证措施·········································11十、文明施工保证措施····················································11(一)开展创建文明工地活动·········································11(二)现场管理···························································11十一、施工的季节性技术组织措施·····································12(一)做好施工准备工作···············································12(二)做好机电设备及材料的防护工作·····························12(三)雨季施工中措施··················································13“4.25”地震灾后交通恢复重建(一期)工程第D标段锚索地梁施工方案-1-锚索肋板墙施工方案一、编制依据1、《公路工程设计标准》(JTGB01-2014)2、《公路路基设计规范》(JTGD30-2015)3、公路路基设计手册(第二版)4、《公路工程抗震规范》(JTJB02-2013)5、《公路交通安全设施设计规范》(JTGD81-2006)6、《混凝土结构设计规范》(GB500102010)7、《公路排水设计规范》(JTJ/TD33-2012)8、一阶段施工设计图(第二侧第二分册)9、其他现行技术标准及规范规程二、编制范围“4.25”地震灾后交通恢复重建(一期)工程第D标段不稳定斜坡防护,其中K79+330-K79+364段锚索肋板墙施工。(一)编制原则以满足施工设计的各项要求为目标,在仔细研究、深刻理解设计意图和项目本身所特有的工程特点、重点和难点的基础上,遵循下列原则进行“4.25”地震灾后交通恢复重建(一期)工程第D标段范围内锚索肋板墙施工方案的编制。(二)质量保证原则执行ISO9001标准,进行施工全过程的质量控制和管理。建立健全质量管理机构和管理体制,建立“横向到边,纵向到底,控制有序”的质量保证体系,明确工程质量方针、目标,结合本工程的特征与实际情况采取切实可行、行之有效的工程质量保证措施,精心组织施工,确保工程质量。(三)工期保障原则根据业主对本工程的工期要求,运用网络计划技术,采取动态管理,科学组织施工,合理配置资源,实现均衡生产,使各项分部工程施工衔接有序,使本项目的资源利用充分,以确保总体施工计划和各阶段施工计划的实现,从而确保总工期目标的实现。(四)技术可靠性原则“4.25”地震灾后交通恢复重建(一期)工程第D标段锚索地梁施工方案-2-根据工程的特点,吸收同类工程施工和管理的成熟技术,结合以往施工经验,选择可靠性高、可操作性强的施工技术方案进行施工,确保工程安全、优质、快速地建成。(五)经济合理性原则针对本工程的实际情况,本着可靠、经济、合理的原则,采用先进装备,合理配备资源,制定适合本项目工程的施工方案,施工过程实施动态管理,从而使工程施工达到既经济又优质的目标。(六)环保原则本标段穿越环境保护区,施工前要充分调查了解工程周边环境情况,施工紧密结合环境保护进行。施工中实施文明施工,减少废气、振动、噪声、扬尘污染,杜绝随意排放污水、胡乱丢弃垃圾等对环境的污染,维护交通运输,注重“景观感”。施工过程实施ISO14001标准,严格遵循有关环保和水保法规,采取有效的保护方案和保证措施,配合政府及有关部门做好环保和水保工作,进行环境管理。建立环境管理体系和控制程序,建设“绿色工地”,实施“环保施工”。(七)以人为本的原则建立、健全消防、安全、保卫、健康体系,以人为本,维护和保障施工人员的安全与健康。施工过程实施ISO18000标准,建立职业健康安全管理体系和控制程序并严格执行,保证职工的职业健康和安全。三、工程概况国道G216线公路作为中尼交通口岸的重要通道,受“4.25”地震影响,该段原有道路受损严重,诱发了大量滑坡、崩塌、泥石流,左侧山体斜坡体坡顶岩块崩落,堆积在斜坡上及国道G216公路上,严重影响交通安全,亟需灾后恢复重建。本项目路线呈近南北走向延伸,高陡坡、弯道路段崩塌发生概率较高,对行车安全造成影响,急需恢复重建原有公路设施,提高服务水平。K79+330-K79+364段灾害情况,设置不稳定斜坡防护,保障通行安全。(一)气象施工区位于喜马拉雅山南坡,由于迎向南亚暖湿气流,因而降雨充沛,气候湿润。年平均气温10-13℃,1月平均气温0.2℃,七月均温18℃;年“4.25”地震灾后交通恢复重建(一期)工程第D标段锚索地梁施工方案-3-降水量1000mm,多集中在6-9月份,冬季降雪量大,为全年降水量28%、年平均蒸发量976mm,气候湿润。区内多南风西风,最大风速达23m/秒。(二)沿线地震动参数根据《中国地质裂度参数区划图》(GB18306—2001,1:400万)与《建筑抗震设计规范》(GB50011-2010)工程场地地震动峰值加速度为0.20g,地震反应谱特征周期为0.40-0.45s,相应的抗震设防烈度为Ⅷ度。(三)沿线水文地质概况1.地表水勘察区域地表水主要为公路线路走向右侧沟底为吉隆藏布江河流水,河床宽约30-45m,现状水流量约3.3m/s,水深一般为3-5m,该区主要为大气降雨及上游水补给,洪水期流水量数十倍增长,由于该勘察区距公路线路走向右侧沟底吉隆藏布江河流水高差较大,且沟底多为基岩出露,故对该勘察区不存在影响。2.地下水该勘察区地下水类型主要为松散堆积层孔隙水、基岩裂隙水。四、临时工程临时工程本着“满足需求,合理布局,节约用地,永临结合,降低费用”的原则进行规划、部署,具体要求为:临时工程修建要结合现场地形及当地自然条件和工期要求,合理确定修建标准,在满足现场施工需要的同时,做到标准适宜、费用最省。现场布置应简洁、美观、合理,生活区、生产区整体布局要科学合理,要体现出文明工地的特征及风貌。考虑季节影响,确保四季畅通,以免影响正常施工。五、施工准备(一)开工前准备组织现场施工员熟识图