下载后可任意编辑截污工程论证方案1下载后可任意编辑目 录第一章 编制说明.................................................11.1 编制依据...................................................11.2 编制原则...................................................11.3 编制范围...................................................2第二章 工程概况.................................................32.1 工程概况...................................................32.2 工程周边环境条件..........................................162.3 地质概况..................................................412.4 基坑周边使用条件..........................................532.5 地下水控制措施............................................532.6 支护结构设计..............................................532.7 危险源分析................................................612.8 施工重点及难点分析........................................62第三章、 施工准备及安排.........................................633.1 施工准备..................................................633.2 技术准备..................................................633.3 人员准备..................................................633.4 材料准备..................................................643.5 机具准备..................................................643.6 临时用水..................................................653.7 临时用电..................................................653.8 工期要求及施工进度计划....................................65第四章 主要施工工艺.............................................684.1 降水施工..................................................684.2 设置工作坑................................................694.3 顶管施工方式选择..........................................744.4 设备安装..................................................804.5 顶管坑与接收坑洞口土体加固................................824.6 初始顶进与到达顶进........................................824.7 顶管质量监控.....................................
