厦门海峡国际时尚创意中心基坑支护工程

厦门海峡国际时尚创意中心基坑支护工程1毕业设计学年学期：2015~2016学年第2学期题目：厦门海峡国际时尚创意中心基坑支护工程院别：土木工程学院专业：勘查技术与工程专业方向：岩土工程方向班级：学生：学号：指导教师：福建工程学院本科毕业设计（论文）2教师评语成绩：教师签名：日期：年月日厦门海峡国际时尚创意中心基坑支护工程3厦门海峡国际时尚创意中心基坑支护工程摘要本设计为厦门海峡国际时尚创意中心的基坑支护设计。拟建场地位于厦门市同安区滨海西大道东侧。场地原始地貌属滨海滩涂，后经回填平整，场地地形较平坦、开阔。场地周边环境总体较为简单，均为空地。基坑周长约1606m，基坑总面积约12.54万m2。基坑开挖面大且开挖深度为10.7m。综合本工程地质，开挖深度和环境等因素，采用钻孔灌注桩加锚索支护、放坡支护，并且采用三轴搅拌桩作为止水帷幕。设计计算了1-1剖面、2-2剖面和3-3剖面的土压力及嵌固稳定性和抗隆起稳定的验算，且结合工程经验和理正深基坑设计软件来验算。并在第四、五、六章分别介绍了基坑降水措施、基坑监测和基坑施工过程中的注意事项。关键词基坑支护；钻孔灌注桩；锚索；降水处理福建工程学院本科毕业设计（论文）4XiamenChannelInternationalFashionCreativeCenterFoundationSupportProjectAbstractThedesignforthedesignofshoringXiamenChannelInternationalfashioncreativecenter.TheproposedsiteislocatedinTong'anDistrictofXiamenCity,eastsideofthecoastalroadwest.Siteoftheoriginallandscapeofthecoastalbeach,afterlevelingbackfilling,sitetopographyisrelativelyflat,open.Surroundingsrelativelysimplesiteoverall,arevacant.Foundationcircumferenceofabout1606m,pittotalareaofabout125,400m2.Largesurfaceexcavationandtheexcavationdepthof10.7m.Theintegratedengineeringgeology,excavationdepthandenvironmentalfactors,theuseofboredpileplusanchorsupport,gradingsupport,andtriaxialStirringPileasasealingcurtain.Calculationofthecross-sectionaldesignof1-1,3-3and2-2Sectionearthpressureprofileandembeddedsolidstabilityandresistancetoupliftstabilitychecking,combinedwithengineeringandmanagementexperienceanddeepexcavationdesignsoftwareforchecking.Andinthefourth,fifthandsixthchaptersweintroducedthefoundationpitdewateringmeasuresexcavationpitconstructionmonitoringandprocessconsiderations.Keywordsfoundationpit;bored;anchor;precipitationprocess厦门海峡国际时尚创意中心基坑支护工程1目录摘要..............................................................................................................................................3Abstract.........................................................................................................................................4第一章前言................................................................................................................................1第二章设计方案说明................................................................................................................22.1工程概况.........................................................................................................................22.2地形地貌及周边环境.....................................................................................................22.3工程地质、水文地质概况及岩土设计参数.................................................................22.4基坑支护体系方案的选择.............................................................................................42.4.1设计依据...............................................................................................................42.4.2确定支护安全安全等级.......................................................................................42.4.3基坑支护方案的比较与选择...............................................................................52.4.4支护设计方案说明...............................................................................................5第三章基坑支护结构计算........................................................................................................93.11-1剖面支挡结构计算...................................................................................................93.1.1计算主被动土压力...............................................................................................93.1.2支护结构稳定性计算.........................................................................................133.1.3支点力及桩身内力计算....................................................................................133.1.4锚索长度与与杆体直径计算.............................................................................153.1.5桩身配筋.............................................................................................................163.1.6冠梁配筋.............................................................................................................173.1.7电算分析.............................................................................................................193.1.8手算与电算对比分析........................................................................................243.22-2剖面支挡结构计算.................................................................................................253.2.1计算主被动土压力.............................................................................................253.2.2支护结构稳定性计算.........................................................................................293.2.3支点力及桩身内力计算....................................................................................293.2.5桩身配筋.............................................................................................................323.2.6冠梁配筋.............................................................................................................333.2.7电算分析.............................................................................................................35福建工程学院本科毕业设计（论文）23.2.8手算与电算对比分析............................