晨曦基坑支护毕业设计院部名称：土木与建筑工程学院专业班级：土木工程（岩土）11-5学生姓名：XXX指导教师：ＸＸＸＸＸＸ职称：教授高工XX学院二○一五年六月摘要本设计为晨曦大厦基坑支护结构设计，该基坑位于云南省昆明市境内，基坑长为95m,宽为55m。厂区内地形整体呈现则矩形，基坑开挖深度为5m,北侧为居民楼,距基坑最近距离为4.5m，其余三侧建筑物距基坑较远。通过方案比选，最终确定北侧采用放坡支护体系，其他三侧采用混凝土桩锚支护结构体系。本次设计主要内容包括：设计方案必选；土压力计算；支护结构计算；基坑稳定性验算；支护结构的配筋；基坑的降水止水设计；基坑监测方案设计。经验算，该基坑设计合理，方案可行，满足晨曦大厦基坑的服务水平。关键词：基坑支护；桩锚；混凝土；止降水；监测ABSTRACTThedesignfortheAsiaStandardHotelExcavationsdesign,thefoundationpitinJiamusiCity,HeilongjiangProvince,territory,pitlength95m,width55m.Plantintheregionasawholeshowedtherectangularterrain,excavationdepthof5m,northoftheresidentialbuilding,distancefromthenearestpit4.5m,theremainingthreesidesofthebuildingfartherawayfromthepit.ThroughAlternatives.Finalizethenorthsideoftheconcretepilesusingboltingstructuraldesign,southofFengXiangRoad,usingsoilnailwallboltingstructuraldesign,eastandwestsidesbysteelpilesboltingstructuraldesign.Thedesignofthemaincontentsinclude:DesignRequired;earthpressurecalculation;supportingstructuralcalculations;foundationstabilitychecking;supportingstructurereinforcement;precipitationsealingpitdesign;excavationmonitoringprogramdesign.Experiencecount,thepitdesignisreasonable,feasible,tomeetthelevelofserviceofFanhaiHotelpit.Keywords,thefoundationdesignisreasonable,feasible,meetthehotelfoundationservicelevel.目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc359050636"摘要PAGEREF_Toc359050636\hIHYPERLINK\l"_Toc359050637"AbstractIIHYPERLINK\l"_Toc359050640"第1章绪论PAGEREF_Toc359050640\h1HYPERLINK\l"_Toc359050641"选题目的和意义PAGEREF_Toc359050641\h1HYPERLINK\l"_Toc359050642"国内外现状PAGEREF_Toc359050642\h2HYPERLINK\l"_Toc359050643"工程概况PAGEREF_Toc359050643\h4HYPERLINK\l"_Toc359050644"基坑周边环境PAGEREF_Toc359050644\h4HYPERLINK\l"_Toc359050645"1.3.2工程水文地质条件6HYPERLINK\l"_Toc359050646"设计依据8HYPERLINK\l"_Toc359050647"1.5设计中拟解决主要问题9HYPERLINK\l"_Toc359050649"第2章基坑支护方案的比较与选择10HYPERLINK\l"_Toc359050650"基坑特点分析10HYPERLINK\l"_Toc359050651"深基坑支护方案的选择10HYPERLINK\l"_Toc359050652"本章