深基坑支护施工组织设计方案

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1、入帘青（原壹瓶商贸大丰项目）深基坑工程施工组织设计方案四川省欧荣岩土工程有限公司2015年3月10日第2页共67页入帘青（原壹瓶商贸大丰项目）深基坑工程施工组织设计方案总经理：李长武技术负责：杞晓阳审定：陈计龙审核：唐光洁项目负责人：刘劲松编制：欧家仲提交单位：四川省欧荣岩土工程有限公司提交时间：2015年3月10日资质等级：工程勘察综合类乙级证书编号：224692-KY资质等级：地基与基础工程专业承包壹级地址：成都市金牛区金府路555号电话：028-87711130028-66666860（传真）第2页共67页目录第一部分：基坑支护和降水工程设计1、工程概况······

2、········································052、场区岩土工程条件······································063、基坑工程专项设计依据及设计方案························084、基坑降水工程设计······································095、基坑支护设计··········································106、基坑监测及监测设计····································13第二部

3、分：施工组织方案1、概述··················································15第69页共67页2、降水工程施工··········································163、旋挖桩工程施工········································194、冠梁工程施工··········································255、土方工程施工··········································276、锚索工程施工··

4、········································317、桩间护壁支护工程施工··································358、喷锚工程施工··········································389、特殊工序质量控制措施··································4010、重要部位控制措施·····································41第69页共67页11、人力组织··································

5、···········4112、质量控制措施·········································4313、安全文明施工保障措施·································4714、工期保证措施·········································5115、成品（半成品）保护措施·······························5416、服务体系保障能力·····································5517、应急预案····················

6、·························5618、特种作业人员证书·····································68第69页共67页入帘青（原壹瓶商贸大丰项目）深基坑工程第一部份:支护与降水工程设计第69页共67页1、工程概况入帘青项目场地位于成都市新都区大丰街道办蓉北路225号。拟建场地东侧为蓉北路（成彭高架），南侧与天晨·花溪碧（已建）一路之隔，西侧现为厂房，北侧为华美路，交通十分方便。规划总建筑面积212900.00㎡，其中地上建筑面积157114.00㎡，地下建筑面积55786.00㎡。±0.00相当于绝对标高517.90m～

7、518.10m。各拟建建筑物性质见表1.1。该工程由四川国恒建筑设计有限公司进行设计。开挖后形成深度为5.3～9.1米的土质基坑。我公司组织专家对场地周围环境和场内工程地质资料分析研究后认为，为确保基坑施工安全，必须采取有效的基坑支护与降水措施。本着技术可行、经济合理原则，基坑支护拟采用锚拉桩和喷锚支护，降水采用管井降水方式。该场地岩土工程勘察工作由四川省川建勘察设计院完成。开挖平面布置图如下图：第69页共67页2、场区岩土工程条件2.1地形、地貌拟建场地地貌单元属岷江水系Ⅰ级阶地。拟建场地原为成都第一制药厂所在地，场地内仍有