杭州地铁1号线新塘河桥拔桩施工方案.docxVIP

杭州地铁1号线新塘河桥拔桩施工方案.docx

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杭州地铁1号线工程 滨江站~富春路站区间(1、2号盾构) 新塘河桥改建工程拔桩施工方案 编制: 审核: 审定: 上海隧道股份有限公司 杭州地铁1号线工程滨江站~富春路站区间(1、2号盾构) 项目经理部 2008年9月 目 录 一、工程概况··················································································3 1.1工程概况·················································································3 1.2工程内容及工作量·································································4 二、场地平面布置··········································································4 2.1现场平面布置及临时设施安排············································4 2.2施工用水、用电布置····························································5 三、施工部署·················································································5 3.1人员部署···············································································5 3.2机械设备部署·······································································5 3.3 施工进度计划·······································································6 四、施工方案·················································································6 4.1 全套管工法施工方案···························································7 五、工程质量保证措施·······························································13 六、安全生产、文明施工 ·························································15 6.1安全生产措施······································································15 6.2文明施工管理措施·····························································17 6.3施工使用设备费用预算·····················································18 一、工程概况 1.1 工程概况 杭州地铁1号线工程滨江站~富春路站区间,里程范围为K5+880.3~K8+835.859,区间左线总长为2.946km,区间右线总长为2.956km。区间隧道掘进断面内有16根桩基(其中左线隧道8根,右线隧道8根),故隧道推进至此前需将隧道断面内的钻孔桩进行拔除。 本工程因河道下过水箱涵没有封闭施工条件,同时承台桩处在驳岸下,半侧在河道内,又在自然地面下7m,由于埋深较深,无条件采用一般围护结构取桩的施工技术措施,拟选择高效、快速、环保的全套管新技术进行处理。 本施工组织设计引用的规范标准: 《地下铁道、轻轨交通工程测量规范》(GB50308-1999) 《工程测量规范》(GB50206-93) 《地下工程防水技术规范》(GB50108-2001) 《地下防水工程质量验收规范》(GB50208-2002) 《钢结构工程施工质量验收规范》(GB50205-2001) 《建筑基坑工程技术规范》(YB9258-97) 《建筑桩基技术规范》(JGJ94-94) 中华人民共和国工程建设标准强制性条文有关内容 本工程地质主要地层特性如下表: 层序 土层名称 层厚(m) 土

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