08届岩土与地下结构专业毕业设计(论文)摘要本毕业设计包括三个部分,第一部分是上海轨道交通七号线静安寺2号基坑围护结构设计。在第一部分基坑围护结构设计中,根据基坑所处的工程地质、水文地质条件、周围环境和地下管线情况,通过方案的比选,选用地下连续墙作为围护方案,采用平面布置形式的钢支撑作为支撑方案,。第二部分是基坑的施工组织设计,根据静安寺站的情况,对施工准备工作、施工方案、施工场地布置等进行了设计,并编制了施工进度计划,编写了相应的质量、安全、环境保护等措施。第三部分是文献综述以及外文文献翻译,主要探讨了当今建设行业所新面临的问题及新的工程技术发展方向。关键词:基坑,地下连续墙,设计与施工林蜀源:静安寺2号基坑设计与施工ABSTRACTThisgraduationprojectconsistsofthreeparts,thefirst2ShanghaiRailTransitLine7Jing'anTemplePitSupportStructureDesign.Inthefirstpartofthefoundationpitstructuredesign,accordingtothepitinwhichtheengineeringgeologicalandhydrogeologicalconditions,surroundingenvironmentandundergroundpipelinesituation,throughtheprogramthantheelection,thechoiceoftheundergroundcontinuouswallenvelopeprogram,usingthelayoutintheformsteelsupportasthesupportprogram.ThesecondpartisthetheExcavationorganizationaldesign,accordingtotheJing'anTemplestation,constructionpreparationwork,constructionplan,constructionsitelayout,design,andthepreparationoftheconstructionschedule,thepreparationofappropriatequality,safety,environmentalprotectionmeasures.Thethirdpartisaliteraturereviewandforeignliteraturetranslationoftoday'sproblemsfacingtheconstructionindustry,newandnewengineeringandtechnicaldirectionofdevelopment.KEYWORDS:excavation,diaphragmwalls,designandconstruction08届岩土与地下结构专业毕业设计(论文)1前言基坑的设计与施工是城市建设中的一个普遍而重要的课题,具有很强的现实意义和研究的必要性。随着社会经济日新月异的发展,现代化城市建设也正在紧锣密鼓地进行。万丈高楼平地起,基坑工程作为城市建设工程中的基础和前提,如何确保其安全可靠、经济合理、实用可行是当前现代化城市建设中一个非常重要和迫切的问题。随着经济建设的发展和人们生活水平的提高,高层建筑和市政工程大量涌现,必然会出现大量的基坑工程。尤其是最近10年,基坑工程的数量急剧增加,技术上也有了长足的进步。在国外,如日本、美国以及欧洲一些发达国家,对地下结构有比较完善的研究,地下商城、地下停车场、甚至地下商业街等随处可见,已经具有相当的建设基坑工程的能力与经验。本文通过对上海轨道交通静安寺站2号基坑的围护、支撑以及施工设计,充分地运用和发挥了基坑设计的相关理论知识,从而为以后基坑工程的相关设计提供一定的实践经验和技术实例。林蜀源:静安寺2号基坑设计与施工2目录第1章静安寺2号基坑围护结构设计.........................................................................................41.1工程概况.............................................................................................................................41.1.1工程概述...................................................................................................................41.1.2工程地质及水文地质资料.......................................................................................41.1.3周围环境...................................................................................................................51.2设计依据和设计标准.........................................................................................................71.2.1执行的规范与规程...................................................................................................71.2.2基坑设计等级及控制标准.......................................................................................81.3基坑围护方案设计.............................................................................................................91.3.1软土地基常用的挡土围护结构类型.......................................................................91.3.2围护方案比选..........................................................................................................111.3.3围护方案的选择.....................................................................................................121.4基坑支撑方案设计...........................................................................................................121.4.1支撑体系选型.........................................................................................................121.4.2支撑方案比选.........................................................................................................131.5计算书...............................................................................................................................151.5.1荷载计算..................................................................................................................151.5.2基坑底部土体的抗隆起稳定性验算.....................................................................171.5.3抗渗验算.................................................................................................................191.5.4抗倾覆验算.............................................................................................................191.5.5整体圆弧滑动稳定性验算.....................................................................................201.5.6支撑内力变形计算.................................................................................................211.5.7最宽标准段钢支撑强度验算.................................................................................271.5.8最宽标准段支撑平面整体稳定性验算.................................................................281.5.9车站基坑端头井支撑强度验算.............................................................................291.6计算分析...........................................................................................................................311.6.1软件介绍.................................................................................................................311.6.2模型介绍.................................................................................................................311.6.3输入参数介绍................................................................................................