哈尔滨市轨道交通2号线一期工程土建工程7标盾构下穿建(构)筑物施工方案目录一、编制范围及编制依据..................................................................................................................................11.1编制范围.................................................................................................................................................11.2编制依据.................................................................................................................................................11.3编制原则.................................................................................................................................................1二、工程概述....................................................................................................................................................22.1工程概况.................................................................................................................................................22.2区域特征.................................................................................................................................................22.2.1水文、地质特征..............................................................................................................................22.3气象特征.................................................................................................................................................32.4周边建筑物特征.....................................................................................................................................32.4.1哈博区间周边建筑物关系..............................................................................................................32.4.2博工区间周边建筑物关系..............................................................................................................6三、施工对既有构筑物影响程度分析.............................................................................................................73.1地表隆陷变化规律..................................................................................................................................73.2盾构掘进引起的地表沉降因素..............................................................................................................73.3地表建筑物对地表变形适应能力评估..................................................................................................83.4施工对地下管线影响程度分析..............................................................................................................93.5地表变形控制标准................................................................................................................................10四、工程特点及重难点分析..........................................................................................................................104.1风险因素分析及重难点........................................................................................................................104.2重难点应对措施...................................................................................................................................11五、施工总进度安排......................................................................................................................
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