中煤第三建设集团明挖段隧道及敞开段基坑开挖及支撑安装施工方案目录第一章工程概况........................................................................................................错误!未定义书签。第一节概述............................................................................................................错误!未定义书签。第二节工程地质及水文地质................................................................................错误!未定义书签。第一小节工程地质............................................................................................错误!未定义书签。第二小节水文地质............................................................................................错误!未定义书签。第三节工程重难点及对策....................................................................................错误!未定义书签。第一小节工程重难点........................................................................................错误!未定义书签。第二小节对应技术措施....................................................................................错误!未定义书签。第二章总体安排........................................................................................................错误!未定义书签。第一节施工管理体系组成....................................................................................错误!未定义书签。第一小节施工组织机构....................................................................................错误!未定义书签。第二小节施工管理人员配备计划....................................................................错误!未定义书签。第二节现场平面布置............................................................................................错误!未定义书签。第三节施工计划安排............................................................................................错误!未定义书签。第一小节施工进度计划编制原则....................................................................错误!未定义书签。第二小节主要工程工期安排............................................................................错误!未定义书签。第三章基坑开挖及钢支撑施工方案........................................................................错误!未定义书签。第一节基坑开挖总体安排....................................................................................错误!未定义书签。第一小节基坑开挖原则....................................................................................错误!未定义书签。第二小节准备工作............................................................................................错误!未定义书签。第二节基坑开挖与钢支撑架设............................................................................错误!未定义书签。第一小节区段划分............................................................................................错误!未定义书签。第二小节施工方法............................................................................................错误!未定义书签。第三小节钢支撑的安装方法和步骤................................................................错误!未定义书签。第四小节基坑开挖与钢支撑施工的技术要求................................................错误!未定义书签。第四章质量保证措施................................................................................................错误!未定义书签。第一节质量保证体系.......................................