目 录 1 . 前言 ............................................................................................................. - 1 - 1 .1 任务由来 ........................................................................................... - 1 - 1 .2 工程概况 ........................................................................................... - 1 - 1 .3 勘察目的与任务要求 ....................................................................... - 1 - 1 .4 勘察工作执行的技术标准 ................................................................ - 2 - 1 .5 勘察方法及勘察工作量 .................................................................... - 3 - 1 .6 勘察工作说明 ................................................................................... - 4 - 2 . 场地岩土工程条件 ..................................................................................... - 5 - 2 .1 场地位置及地形地貌 ....................................................................... - 5 - 2 .2 地质构造与地层岩性 ....................................................................... - 5 - 2 .3 岩土物理力学性质 ........................................................................... - 7 - 2 .4 不良地质作用和特殊性岩土.......................................................... - 1 0 - 2 .5 场地水文地质条件 .......................................................................... - 1 0 - 2 .6 地震效应 ......................................................................................... - 1 3 - 3 . 岩土工程分析与评价 ............................................................................... - 1 4 - 3 .1 场地稳定性及环境工程条件评价 ................................................. - 1 4 - 3 .2 各地层岩土性能评价 ...................................................................... - 1 4 - 3 .3 穿越方式、穿越层位选择建议 ..................................