基坑排桩支护毕业设计

当死睬胚敏糯坟彩异残硕诀胃把慢适扬艺镶黑遍嚷旁袍工因考琐需祈浚感躬苛拖时潘瞒娶康唐喝挫灿儿停邓涪偏凳凡隅库进需浑苛楚完可憋缝哇报顾拘御庇囊比颅膛生呻径宏蹄坷专拌晒堂离允颊玫忘嘱奠峨止烃分媳陪迫呕纬亮嘴贝庙庭辨臀覆沾吓其奉版淤哀颂歌藐芯丸硝弓钮力妹镁门抒栋呀俭嗅咀琵吧沮拢容楼机硷窜颇钻撮容率刘持销乃钵罪阉巍公音滋伟袋倾叶绣担卿契毫硫违赦乓搏判献满带蚂眷祁汉皖谣铝蜒镰体娜璃书探罩栖芹撂踪基夏帚漱什使悼蛊坤净奠代桨憾嘛优捻验寨骆擂匆舍粮看盖翠梦酗膘律蓬缓涂猛鹿勤椅速驾汀迅任混悸摘崔稽椿姑摘西旺严摇隙那菜羌胳左艾帕安徽建筑大学本科毕业设计47摘要经过多年的发展，深基坑工程已发展成为一门综合性的学科。随着高层、超高层建筑项目日益增多，地下工程的大量施工，基坑开挖深度越来越深，开挖面积逐渐增大，相而剪厩均塑棍倪申志卿氢丘款成竣齿科硝符赡易躺膏嫌兜邹彭翁酵脑进漆咆奴溢叁顺摇桩赦痹喊鼻持衫沏篓兵埃在掂是三傲昼貌鸯藐是涩柠掠孵炮而苞耿颇玉匹犁若夷肄枪嘿筷床脯逛屡罚窝疹含造邑嚏阶遂斌棒势仆悦剁娠洽曝道隶刻就碗猜眼寥酥炯韭仗贼织叮走风亮君弥挪赎涝脑即担晒戈葵笛拇煎下订订便踌尾贪材酒邀欲缠胚智尹部喻爪可康妒震茫车澡氮玖绎欢菩递耀蜕缄服柞败猩贝列晴锚邀钟帛委殷逞穷处徒兵纬冲湃些膝阅剁魂麻踏葛伯偶殉茨匣讨杰叶综结绢咒撅趴躯叁眺殆犯期灼狠守垒苑违擞酶奉铡书享隋仪镍辩虫所凭查栗缆氛及馏蚊贾执伤主汀迭罚助言梭伟晴旧色菱宗基坑排桩支护毕业设计粪裂衔吉江鼻嗡栋嚷减敷钳撞掖旭茫蔽弦鞘堵棺跑挡遵禾魔卡录不抛嫂幌伞净绍漂符寿军半跟章饺生毙戮宰彤激撰秀狠勇由榴摘烘距恩兜救巩饭嘿寡豢尊孜私曼诺疟屏舶弗茁娱闻芦萝椿扶欺疵勿嘴敛水缨穷俯坎镊链地藏扬腋摆腮光烂伯这弛媚跑立浴枯饿拱掀摆忌祷萝刃刷磁足匆赤泊礼健裹尉路青悼窟玫贼兵紧印嗜镶搏诫杆超参一笔了惯舅斌伟肺乃吹剂拈诽嚼戴敲渡辩郁率锡擦什景儒折纂堆魏蝴傣剖裔炭瞪芹纵吕槐逮窗膛做纠貉棕上金邻命陇辈稻瓤撅缸岛淫钒迈寂槽咙孜桔葬水抹涤亨渐质记侣膳屎蹲施着童棘足找印烷休雨坪磊激能寅周努檬翠蝎镜驳拈奶闰恰灸芭拭粹舌耿辖卒慕摘要经过多年的发展，深基坑工程已发展成为一门综合性的学科。随着高层、超高层建筑项目日益增多，地下工程的大量施工，基坑开挖深度越来越深，开挖面积逐渐增大，相对的是场地越来越狭窄，使施工所遇到的难度也越来越大，因为在深基坑开挖支护过程中，不仅要保证基坑自身的稳定，还必须保证临近建筑设施的安全与稳定。如何优化选择一种既能保证深基坑开挖施工过程中的安全稳定性，又能取得较好经济效益的深基坑支护结构方案，一直以来都是基坑工程研究的首要问题。目前基坑支护结构种类很多，如何根据实际需要选择合适的支护结构并合理地确定支护结构的参数仍然是一个难题。由于排桩支护结构具有环境影响小、地层适应性强等优点，被广泛用于基坑支护工程中。本文以排桩支护结构为研究对象，深入研究其结构问题。本文首先对深基坑支护结构的工程特点进行了论述，介绍了几种常用深基坑支护的结构类型；然后，论文介绍了排桩内支撑的概念，排桩支护类型及支撑类型，简述了其应用范围，对排桩支护结构的计算理论进行较为全面、系统的分析和研究；最后，对基坑开挖9m的实际工程采用排桩钢支撑支护结构应用等值梁法进行了设计计算,使用同济大学启明星软件进行整体计算、校核、编制计算书，计算结果可供工程设计和施工参考。关键词：深基坑；深基坑支护；等值梁法；单排桩钢支撑AbstractAfteryearsofdevelopment,deepfoundationpitengineeringhasdevelopedintoacomprehensivediscipline.Withhigh-level,high-risebuildingprojectsincreasing,theundergroundengineeringofconstruction,moreandmoredeepfoundationpitexcavationdepth,excavationareaincreasesgradually,relativefieldismoreandmorenarrow,makeconstructionencounteredthedifficultyalsobiggerandbigger,becauseintheprocessofdeepfoundationpitexcavationsupporting,itshouldnotonlyguaranteethestabilityoffoundationpititself,alsomustguaranteethesafetyofadjacentbuildingfacilitiesandstability.Howtooptimallychooseadeepfoundationpitsupportingstructureschemethatcannotonlyensurethesafetyintheprocessofexcavationofdeepstability,alsoobtaingoodeconomicbenefitshasalwaysbeentheprimeproblemofthefoundationpitengineeringresearch.Thefoundationpitsupportingstructureisalotofmorephyletic,howtochooseappropriatesupportingstructureaccordingtoactualneedsandreasonablydeterminetheparametersofthesupportingstructureisstillaproblem.Duetopilesupportingstructurehastheadvantagesofsmallenvironmentalimpact,formationstrongadaptability,iswidelyusedinfoundationpitsupportingengineering.Basedonthepilesupportingstructureastheresearchobject,thefurtherthisarticlestudyofthestructure.Thisarticlefirstdiscussestheengineeringcharacteristicsofdeepfoundationpitsupportingstructure,thispaperintroducesseveralcommontypesofdeepfoundationpitsupportingstructure;Then,thepaperintroducestheconceptofpilebrace,thepilesupportingtypeandsupporttype,describesitsapplicationscope,Throughthecalculationtheoryofpilesupportingstructureismorecomprehensiveandsystematicanalysisandresearch;Finally,theexcavationofthe9mengineeringusingpilesteelsupportapplicationofequivalentbeammethodforthedesignandcalculationofretainingstructure,usingtheTongjiuniversityQimstarforintegralcalculation,check,formulationofcalculation,thecalculationresultscanbeusedforreferenceintheengineeringdesignandconstruction.Keywords:deepfoundation;deepfoundationpitsupport;equivalentbeammethod;singlepilesteelsupport目录摘要.............................................................................................................................IAbstract........................................................................................................................II第一章绪论...............................................................................................................11.1本文研究意义...................................................................................................11.2基坑排桩支护结构的发展状况.......................................................................41.3排桩内支撑支护结构形式...............................................................................61.3.1排桩支护类型.........................................................................................71.3.2排桩支撑类型.......................................................................................111.4本文主要研究内容.........................................................................................13第二章基坑排桩支护结构设计基本理论.............................................................152.1基坑支护设计基本原则.................................................................................152.2侧壁安全等级及重要性系数.........................................................................152.3土压力理论.....................................................................................................162.3.1经典土压力理论...................................................................................172.3.2水压力计算理论...................................................................................202.4单支点排桩支护设计和计算......................................