未央花园(宗地号:A816-0059)基坑支护与土方挖运工程安全专项施工方案编制人:审核人:批准人:二○一六年十二月二十日编号:SJSZ.WYHY-02未央花园(宗地号:A816-0059)基坑支护与土方挖运工程安全专项施工方案编制人:周浩飞、赖扬炀审核人:彭波批准人:编号:SJSZ.WYHY-02目录第一章编制说明及编制依据.............................................................................................................5第二章工程概况.................................................................................................................................7第一节工程概况及周边环境......................................................................................................7第二节工程地质、水文条件......................................................................................................7第三节设计概况......................................................................................................................10第四节施工管理重点、难点分析及应对措施...........................................................................13第三章施工部署计划......................................................................................................................15第一节施工目标......................................................................................................................15第二节项目管理组织机构........................................................................................................16第三节施工准备......................................................................................................................18第四节施工总体部署...............................................................................................................22第四章主要分项工程施工工艺及施工方案......................................................................................24第一节测量施工......................................................................................................................24第二节旋挖灌注桩施工.............................................................................................................25第三节搅拌桩施工....................................................................................................................34第四节微型桩施工....................................................................................................................37第五节冠梁、腰梁施工.............................................................................................................37第六节预应力锚索施工.............................................................................................................40第七节土钉墙施工....................................................................................................................43第八节基坑土方开挖施工..........................................................................................................45第九节变形观测........................................................................................................................55第五章质量保证措施......................................................................................................................63第一节质量方针和目标...........................................................................................................63第二节质量管理体系.....................