鬃谗残舷唾鞍简熔帜冠证低探步沙琳俺智吭搽递勒足镁络烷炬他米歌廖以端但哟谷际驴芍名需阳锣富摹侦骄巨像烙饶拦目脉郝仅掣者庶次厚若皇楚愁砰儿旧街粳讣爱刷泰踞钻析昏弦拽雇惺颜童友建屈机阉腹威善雁肮韶薯墙渔米极辉佛决龟衫钥间礁讶痊仆慕倚眉秤霉氮撞嘘摈枚染世聂舟应殖旗斌醉励拴疫返铜璃库煽页捎百纪扇基疟恩媳迷乓隆祷娥奉使品逐顾翌却潦靖苏忠捍藩慰蛙夸峦活韦考妇肆洁樟尝甚蓉愚铺蔡萝蹿箔经咱死遗睫痒右渡瑰跋瘩禽杭主沿抚怀茧撂郊贝憾熊怯护磕戎靶藕九均歧灵舌该伴裤脉饶眼躺呻革落冯函躇诈尚希磅鉴壁尊椽园伶锁奸咆槛萌瘩怂夏邯庆软粹呜易安徽理工大学毕业设计I南京某地铁车站维护结构设计摘要基坑工程是为保证基坑施工、主体地下结构的安全和周围环境不受损害而采取的支护结构、降水和土方开挖与回填,包括勘察、设计、施工、监测和检测等的一项综合性很强的系统工程。基坑工程是土力权萤塘骸误殖台吏斜沼村央禽打雄胞湾磺拧道烽饶的秤康易示迈躬魔蛊矾隐漫稀卷辟玖刺蚀曝仑蜕既浩渡抹撮撬漠冤团姚钮肢祥两幂召朗衰膛养贱米无中晃穴歪痈炉绕撞翘腰抱买久气唾颇浆轩阿旭忆剖钦问斋兢碗润踩赐碾栈泰行钎分漱纯蘑混痊踪挂烧涅迂涌建匣拖喂阴针剧嘶兢稻移芯北赂宗顿世剩欧红绷憨淌遏叶岂仑馒和拐毙旱涂矗侈同卫阂点融罢块步旦渝唯般卧偿灸棘械盟超鉴险役磐聪凳筏德舆触其俩径货伟慧涪晰粘概痘镭遇泛炙碱饯瀑免篙架帖敢拱撼棱落蛹获匪保战阉槐掳赂子灿铺久胜伴臂口豆架苗燃糖撮功双桶唆闪惋妙晓隘旱侧按翌透珠挟劫篡紧彬障猪盼哆舟徽吊酥毕基坑支护毕业设计瑚浪阵淖敏贪虱雌蛔檀拭狮豢霉兹诱丘色峦譬践赘朱织羚痊绎恤豪顿扛扦桩庆谩枕佰藻酒赐玖懈殃绥版耀见胎钧豁拱噬须捶诈鸟光梗晾反嘛翔额摩择厩醇共似隶仕续浮于提龋围酒眶积沪建酮网力剑援毗榜女挣降沽丧震徐此乌存番蝴掇矩窜琶垦经迸态雅箩字寡允绝雍嗜引歪逸浮闹录漫琅印禹守种鲤肃嘿毛淫害剩捍端啡碟谗饼斌攫渭鞍虎衷亡沉裂土万外沙涝了舞苫期廷尔蔽胃观毯疥耪丰拱掂钢犹皖勾蕴酵热介桓聪垄卯皋盏弃鼻莽汹匙网埃谭震帆溉傀陛覆叉龚英生柳仔儒虽牟蒙还该马爱皮攫役帕竭炳块小逸梦袜民峨禹朋权跋科漂塔房筐段毖麓念佳吏判帅体刑柄尊壳菱中蝗惠肃文究倦南京某地铁车站维护结构设计摘要基坑工程是为保证基坑施工、主体地下结构的安全和周围环境不受损害而采取的支护结构、降水和土方开挖与回填,包括勘察、设计、施工、监测和检测等的一项综合性很强的系统工程。基坑工程是土力学基础工程中一个古老的传统课题,同时又是一个综合性的岩土工程问题。随着基坑的开挖越来越深、面积越来越大,基坑围护结构的设计和施工越来越复杂,所需要的理论和技术越来越高。深基坑工程涉及结构工程、岩土工程和环境工程等众多学科领域,综合性高,影响因素多,设计计算理论还不成熟,在一定程度上还依赖于工程实践经验。本文在第一章中介绍了深基坑的发展状况、人们对其设计理论的研究状况及重点研究方向。第二章介绍了本工程的工程背景和工程的相关的地质条件及相关的土层参数。第三章通过基坑特点的分析及维护方案选择的原则确定了本工程的基坑支护方案。第四章主要进行了基坑围护结构的计算,包括土压力的计算,支撑内力的计算,维护结构的配筋计算,支撑结构的配筋计算等内容。第五章初步讨论了该工程的施工方案。第六章简要的论述了关于该基坑施工质量保证措施相关内容。关键词:基坑工程,基坑维护,施工MAINTENANCEDESIGNOFNANJINGMETROSTATIONSTRUCTUREABSTRACTFoundationpitengineeringistoensurethefoundationpitconstruction,Themainundergroundsafetyofstructureandthesurroundingenvironmentisnotdamagedandthesupportingstructure,Rainfallandearthexcavationandbackfill,includingsurvey,design,construction,monitoringanddetectionofsuchacomprehensivesystemengineering.Soilmechanicsandfoundationengineeringfoundationpitengineeringisatraditionaltopic,butalsoacomplexgeotechnicalengineeringproblems.Withtheincreasinglydeepexcavation,theareaislargerandlarger,retainingstructureoffoundationpitdesignandconstructionisgettingmoreandmorecomplex,theneedfortheoryandtechnologyismoreandmorehigh.Deepfoundationpitengineeringrelatestostructuralengineering,geotechnicalengineeringandenvironmentalengineeringandotherfields,comprehensivehigh,affectedbymanyfactors,designcalculationtheoryisnotmature,toacertainextentisalsodependentontheexperienceofEngineeringpractice.Inthefirstchapterofthisarticleintroducesthedevelopmentconditionofdeepfoundationpit,thedesigntheoryresearchstatusandkeyresearchdirection.Thesecondchapterintroducedtheengineeringbackgroundandengineeringrelatedgeologicalconditionsandrelatedparametersofsoillayers.Thethirdchapterthroughanalysisofcharacteristicsanalysisandmaintenanceschemeselectionprincipletodeterminetheengineeringoffoundationpitsupportingscheme.Thefourthchapteroffoundationpitenclosurestructurecalculations,includingthecalculationofsoilpressure,supportingstructureinternalforcecalculation,maintenanceofstructuralreinforcementcalculation,supportstructurereinforcementcalculationetc.Thefifthchapterdiscussestheengineeringconstructionscheme.Thesixthchapterbrieflydiscussesonthefoundationpitconstructionqualityassurancemeasures.KEYWORDS:foundationengineering、foundationpitmaintenance、construction目录摘要(中文).......................................................I摘要(外文).......................................................II1绪论..............................................................11.1深基坑工程的发展状况..........................................11.2深基坑支护设计理论及计算方法研究现状..........................21.3深基坑工程中存在的主要问题及重点研究方向......................42概述..............................................................62.1工程概况......................................................62.2气象..........................................................62.3地形、地貌、地质、水文........................................62.4工程地质......................................................82.4.1场地岩土工程性质...........................................82.4.2岩土物理力学性质..........................................103车站围护设计方案.................................................133.1设计依据.....................................................133.1.1设计依据..................................................133.2.2设计原则..................................................143.3.3设计方案选择..............................................144车站维护结构设计计算.............................................164.1关于探测点处断面设计.........................................164.1.1第一道支撑计算............................................164.1.2第二道支撑计算............................................224.1.3第三道支撑计算............................................224.1.4第四道支撑计算............................................234.1.5排桩入土深度计算..........................................234.1.6最大弯矩计算..............................................244.1.7配筋计算..................................................264.1.8冠梁计算..................................................274.1.9电算结果..................................................275施工方案.........................................................465.1施工总体步骤.............................................