成都地铁7号线武侯双楠站周边构筑物及管线保护方案目录1编制依据..........................................................................................................................................................22工程概况...........................................................................................................................................................22.1工程位置...............................................................................................................................................22.2结构型式...............................................................................................................................................22.3地质、水文条件...................................................................................................................................22.3.1地形与地貌..............................................................................................................................22.3.2气象条件..................................................................................................................................22.3.3地震烈度..................................................................................................................................32.3.4工程地质..................................................................................................................................32.3.5水文地质..................................................................................................................................43车站周边建、构筑物、管线现况..................................................................................................................53.1地面交通及建筑物..............................................................................................................................53.2地下构筑物及管线...............................................................................................................................63.3工程特点与重难点工程.......................................................................................................................83.4工程重点..............................................................................................................................................93.5工程难点及施工对策.........................................................................................................................124施工区域管线保护方案.................................................................................................................................134.1开工前的准备工作.............................................................................................................................134.2施工过程中的保护措施.....................................................................................................................145周边建筑物保护方案....................................................................................................................................145.1影响建筑物安全的因素分析............................................................................................................155.1.1基坑开挖施工........................................................................................................................155.1.2围护结构渗漏水..........
