基坑支护设计毕业设计

武汉理工大学毕业设计珠海市人民医院住院综合楼南侧基坑支护设计学院（系）：交通学院专业班级：结构fx1001班学生姓名：潘吉建指导教师：李芬学位论文原创性声明本人郑重声明：所呈交的论文是本人在导师的指导下独立进行研究所取得的研究成果。除了文中特别加以标注引用的内容外，本论文不包括任何其他个人或集体已经发表或撰写的成果作品。本人完全意识到本声明的法律后果由本人承担。作者签名：年月日学位论文版权使用授权书本学位论文作者完全了解学校有关保障、使用学位论文的规定，同意学校保留并向有关学位论文管理部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人授权省级优秀学士论文评选机构将本学位论文的全部或部分内容编入有关数据进行检索，可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。本学位论文属于1、保密□，在年解密后适用本授权书2、不保密□。（请在以上相应□内打“√”）作者签名：年月日导师签名：年月日I摘要基坑工程主要包括基坑支护体系设计与施工和土方开挖，是一项综合性很强的系统工程。本文在对珠海市人民医院地质情况详细勘察后，根据周围环境和工程地质条件，对几种常用的支护方案进行比选，采用剩余推力法对基坑边坡稳定性进行了分析，通过SLOPE/W软件确定出最不利滑移面并计算滑坡推力，根据滑坡推力对该边坡进行了合理的支护设计和坡面防护，主要采用了预应力锚索支护形式。完成了锚索、腰梁等支护结构的设计计算。最后通过SLOPE/W软件，对设计完成的支护结构进行稳定性验算，结果显示基坑支护措施满足要求。本文还简单介绍了预应力锚索施工工艺。关键词：基坑；边坡；预应力锚索；锚索施工IIAbtractExcavationengineeringmainlyincludeexcavationsupportsystemandconstructionandexcavationdesign,isacomprehensivesystemengineering.BasedonthegeologicalconditionofZhuhaiPeople'sHospitaldetailedsurvey,accordingtothesurroundingenvironmentandhydrogeologicalconditions,theseveralsupportschemes,andfinallytotheslopestabilityanalysisbyusingresidualthrustmethod,throughtheSLOPE/Wsoftwaretodeterminethecriticalslipsurfaceandlandslidethrustcalculationaccordingtothelandslidethrust,theslopewasreasonable.Supportdesignandslopeprotection,mainlyintheformofprestressedanchorcable.Thispaperintroducestheanchor,waistbeamsupportingstructuredesignprocess.Finally,throughtheSLOPE/Wsoftware,todesignthesupportingstructurestabilitycheckingcalculation,resultsshowthatsupportmeasurestomeettherequirementsof.Thispaperalsointroducesthetechnologyofprestressedanchorcableconstruction.Keywords:foundationpit;slope;prestressedanchor;anchorconstruction目录第1章绪论...................................................................................................................................11.1研究背景..........................................................................................................................11.2国内外研究现状..............................................................................................................11.3相关技术规范规程..........................................................................................................2第2章工程简介...........................................................................................................................42.1工程概况..........................................................................................................................42.2场地工程地质..................................................................................................................42.3水文地质条件..................................................................................................................5第3章基坑支护方案比选...........................................................................................................73.1基坑支护设计原则..........................................................................................................73.2支护方案比选..................................................................................................................73.2.1土钉支护...............................................................................................................73.2.2喷锚网支护...........................................................................................................93.2.3桩锚支护.............................................................................................................11第4章基坑支护结构设计.........................................................................................................144.1滑坡推力计算................................................................................................................144.1.17-7断面..............................................................................................................144.1.28-8断面..............................................................................................................194.2预应力锚索设计............................................................................................................224.2.1锚索设计..............................................................................................................224.2.2锚固段长度计算..................................................................................................244.2.3锚索布置..............................................................................................................254.2.4锚索计算..............................................................................................................254.2.5锚索预应力与张拉..............................................................................................284.3腰梁设计........................................................................................................................294.4喷锚网设计....................................................................................................................314.5基坑支护验算.................................................................................................................31第5章施工简介.........................................................................