基坑支护方案(桩支护).doc

...住宅项目小市政工程化粪池土方开挖支护专项施工方案2010年7月1目录一、编制说明················································································3二、工程概况················································································4三、主要施工部署及进度安排··························································10四、基坑边坡支护设计方案·····························································14五、主要施工方法及技术措施················································································································································································································································································································································································26八、质量保证措施·········································································28九、安全保证措施·········································································33十、文明施工及环保措施································································37十一、雨季施工方案······································································39十二、基坑施工监测······································································43十三、应急处理预案······································································45附录1:土钉支护稳定性验算···························································492附录2:深基坑支护设计(D=******@1200)·········································533一、(1)由综合管线深化设计图、市政道路平面分区图、沥青混凝土路面做法详图及化粪池设计说明书。(2)居住项目小市政工程招标文件。(3)勘察设计研究院提供的项目岩土工程勘察报告。(4)现场调查情况和业主、总承包等单位提供的信息、资料等(5)自有的设备物资资源,经济、技术实力及类似工程施工经验。(6)本工程所涉及的施工技术、质量验收、安全、环保等方面的国家和北京市制定的规范、标准、法规文件等。(1)充分理解工程甲方和设计图纸要求,在对现场进行细致考察的基础上,合理的编制专项施工方案,使其科学、适用、且安全经济。(2)施工总体部署合理,施工计划可行、高效,确保总体工期要求。(3)采用先进的设备和科学的管理方式确保工程质量和施工安全。(4)在施工全过程中采取周密的环境保护措施及文明施工措施。#、3#化粪池基坑工程施工,包括人员、材料、设备、土方开挖、施工区域楼房保护等的施工设计方案,对工期、质量、安全、文明施工的管理措施。二、××××。施工范围主要为室外土方回填、雨水、污水、中水、消防及道路工程。小市政污水管道全部采用高密度聚乙烯HDPE双壁波纹管(道路范围环刚度为SN8,绿化范围S