目 录第一章工程概况.........................................................................................................................................................41.1 工程概况及编写依据...............................................................................................................................................41.2 场地地形地貌...........................................................................................................................................................51.3 场地水文地质条件...................................................................................................................................................71.4 场地周边环境...........................................................................................................................................................91.5 方案设计.................................................................................................................................................................101.6 降排水设计............................................................................................................................................................11第二章 基坑支护方案设计........................................................................................................................................122.1 设计依据.................................................................................................................................................................122.2 设计要求.................................................................................................................................................................132.2.1 支护桩.................................................................................................................................................................132.2.2 预应力锚索........................................................................................