北京某大厦工程土方开挖、基坑降水、支护施工方案 编制: 审核: 审批:二○○三年七月四日目 录1。....................................方案编制重要根据12. 工程概况...........................................13. 岩土工程条件简述...................................23.1 地层条件......................................................23。2 水文地质条件.................................................24。........................................土方开挖方案24。1 开挖次序.....................................................24.2 设备能力分析..................................................24.3 卸土场及土方运送路线..........................................34.4 现场准备......................................................35. 基坑降水方案设计...................................35.1 降水方案选择根据..............................................35。2 降水方案设计.................................................45.3 管井构造......................................................45。4 降水工程对周围建筑物的影响...................................46。....................................基坑支护设计方案56.1 支护方案确实定................................................56。2 土钉墙支护体系的长处.........................................56。3 支护方案设计.................................................67. 施工总体安排及工期.................................97。1 施工准备.....................................................97.2 组织机构及劳动力计划.........................................117。3 工期计划....................................................127.4 基坑工程总体组织.............................................127.5 施工水电计划.................................................128。..............................施工工艺及技术规定简介128.1 降水施工.....................................................128.2 土钉墙施工...................................................149。......................................信息化施工管理159。1 工程监测...........................