城市住宅多层结构基坑井点降水施工方案

目 录一、工程概况 ·································································2二、编制依据· ···································································2三、降水方案选择·······························································2四、井点降水相关计算·························································2五、主要降水设备·······························································4六、施工工期·····································································4七、井点施工方法·······························································4八 、 质 量 标 准 及 质 量 保 证 措 施 ················································5九、危险点分析································································6十 、 安 全 生 产 及 文 明 施 工 措 施 ···············································6十一、环保措施································································7一、工程地质概况1.1 工程位置及内容本工程位于 xx 市 xx 区新城区西南角，瑞景街南侧，运河东路西侧，瑞宁街以北，津唐运河河堤以以东。为局部地下一层，地上二层建筑，钢筋混凝土框架结构。本工程建筑结构的安全等级为二级；结构体系：为钢筋混凝土框架结构。总建筑面积为 2120㎡，其中地下室面积为 410㎡；地上建筑面积 1710㎡，抗震设防类别为丙类；抗震设防烈度为8 度；建筑物耐火等级为二级；设计使用年限为 50...