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中铁六局集团有限公司石济客专引入石家庄枢纽工程第一项目分部目录一、编制依据及原则...............................................................................................................3二、工程概况...........................................................................................................................32.1总体概况.........................................................................................................................32.1.1环城水系框构中桥...................................................................................................32.1.2规划太行大街辅路框构中桥...................................................................................42.1.3环城水系框构中桥接长...........................................................................................52.2工程地质条件.................................................................................................................52.3不良地质、特殊地质.....................................................................................................52.4边坡分析.........................................................................................................................62.4.1环城水系框构中桥...................................................................................................62.4.2规划太行大街辅路框构中桥...................................................................................62.4.3环城水系框构中桥接长...........................................................................................6三、施工方案...........................................................................................................................73.1施工准备.........................................................................................................................73.2环城水系框构中桥开挖方案..........................................................................................73.2.1测量放线...................................................................................................................83.2.2土方开挖...................................................................................................................93.2.3土方外运.................................................................................................................113.2.4土钉墙施工.............................................................................................................113.2.5基坑围护.................................................................................................................123.2.6验收........................................................................................................................133.3规划太行大街框构中桥................................................................................................130中铁六局集团有限公司石济客专引入石家庄枢纽工程第一项目分部3.3.1测量放线.................................................................................................................133.3.2防护桩施工.............................................................................................................143.3.3土方开挖.................................................................................................................183.3.4土方外运....................................................