下载后可任意编辑环观南路观天路雪坂大道天然气高压管道施工方案1公司: Company深圳市天然气高压输配系统环观南路( 观天路~雪坂大道) 天然气高压管道城区施工方案文件号: A09/05/30供参考Rev.A 版次Date日期Issued by编制人Checked by 审核人ProjectApprova 批准人目录下载后可任意编辑1.工程概况...................................................22.编制依据...................................................23.工程量.....................................................34.资源配置...................................................45.进度计划...................................................76.施工方案...................................................76.1 施工准备...............................................76.2 临时堆管场的设置.......................................86.3 安装隔离围护...........................................86.4 设置施工警示标志和临时过桥.............................96.5 管沟开挖..............................................106.6 运输及布管............................................126.7 组对、 焊接...........................................126.8 补口补伤.............................................136.9 回填及地貌恢复........................................137.穿越方案..................................................147.1 大开挖公路............................................147.2 泥水平衡顶管穿越方案..................................157.2.1 方案说明.........................................157.2.2 施工工艺流程.....................................157.2.3 平面布置、 井内布置及管内布置....................167.2.4 出土方案.........................................167.2.5 顶力计算.........................................167.2.6 出洞方案.........................................177.2.7 测量以及设备安装.................................177.2.8 后靠背导轨及后顶的安装...........................187.2.9 泥水系统的安装...................................187.2.10 顶进开始调试阶段以及土体取样....................197.2.11 顶进过程中的方向控制............
