目 录1。编制依据.............................................................42。工程概况.............................................................43。地质水文情况.........................................................43.1 自然特征(地形地貌、地质、水文、气象等)............................43。1。1 地形地貌........................................................43。1。2 地质特征........................................................43。1。3 水文特征........................................................43.2 气象环境............................................................54.基坑支护施工..........................................................54.1 确定方案.............................................................54.2 钢板桩支护施工方案..................................................54.2.1 钢板桩施工工艺....................................................54.2.2 施工准备..........................................................54。2.3 钢板桩的吊运、插打...............................................74.2。4 钢板桩施工可能遇到的问题及预防措施...............................84。2.5 钢板桩的拆除。...................................................85.土方开挖施工..........................................................85。1 施工准备...........................................................85。1。1 清表............................................................85.1.2 制定开挖方案......................................................95.1.3 清理疏通弃土便道..................................................95。1。4 测量放样........................................................95.2 开挖路线............................................................95.3 开挖方案............................................................95。4 成品保护...........................................................96。深基坑监测..........................................................106。1 水平位移监测.........................................................