五菱路小桥基坑开挖方案修改概要.doc

五菱路（解放路－井冈山路）新建工程 深 基 坑 土 方 开 挖 专 项 方 案 编制： 审核： 审定： 编制单位：华北建筑有限公司 二0一五年十二月 二 日 目 录 1.工程总体概述····················································3 1.1工程概述······················································3 1.2工程概况······················································3 1.3方案编制依据···················································3 2.桥位处地质状况及工程特点·········································4 2.1桥位处地质概况················································4 2.2工程特点·······················································5 3.基坑开挖方案的拟定···············································6 3.1基坑开挖方案的拟定············································6 3.2基坑开挖预备方案···············································6 4.施工部署··························································6 4.1基坑开挖放坡依据·············································· 6 4.2基坑开挖断面图················································ 7 4.3基坑开挖顺序·················································· 9 4.4施工方法及施工要点············································ 9 4.5机械设备配置················································· 10 4.6技术准备····················································· 11 4.7基坑放样····················································· 11 4.8基坑开挖····················································· 11 4.9基坑开挖弃土处理··············································12 5.基坑开挖组织施工·················································12 6.工程质量保证措施·················································12 6.1质量目标······················································12 6.2质量保证措施··················································13 6.3质量检验评定标准及检验方法····································13 7.安全生产保证措施·················································14 7.1安全生产目标··················································14 7.2安全生产保证体系··············································14 7.3安全管理措施··················································14 7.4安全操作措施··············