目录 一、工程概述 ···································································· 1 二、土方施工方案的编制依据 ··············································· 1 三、工程周边环境简介 ························································ 1 四、基坑围护措施 ······························································ 2 五、基坑土方开挖 ······························································ 2 六、基坑土方回填方案 ······················································ 11 七、安全管理及防护技术措施 ············································· 13 八、施工现场场容管理措施 ················································ 14 九、环保措施 ·································································· 15 十、信息化管理措施 ························································· 16 1 基坑开挖方案 一、工程概况 本工程为现浇钢筋混凝土框架结构，由地下一层为车库，地上十二层（局部十三层）层组成，总建筑面积为12522.1m2,基础为条型、筏板基础。本工程设计等级为二级，耐火等级为二级，屋面防水等级为三级，建筑使用年限50 年；抗震设防烈度为六度，框架、地下室档土墙抗震等级为四级，建筑安全等级为二级。 二、该工程地下车库地下室平面呈长方形，长度为56M,宽度23M。住宅楼地下室为一层。拟建物±0.000，自然地面标高约+0.5m。基坑开挖深度5.5~6.8m；电梯井部、集水井需二级开挖深度为1m~1.6m。 二、土方施工方案的编制依据 1、业主提供的该工程的施工设计图纸； 2、单位工程施工组织设计； 3、《建筑基坑支...
