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湖北工业大学工程技术学院本科毕业设计毕业设计武汉市高层住宅桩基础设计学生姓名：伍成龙学号：01110411Y32所在系部：土木工程专业班级：一班指导教师：王婷日期：二○一五年六月湖北工业大学工程技术学院本科毕业设计WuhanemgrandbuildingpilefoundationdesignByWUCHENGLONGJune2015湖北工业大学工程技术学院本科毕业设计学位论文原创性声明本人郑重声明：所呈交的学位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，本论文不包含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院有关保管、使用学位论文的规定，同意学院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学位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库进行检索，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□。（请在以上相应方框内打“√”）作者签名：年月日导师签名：年月日湖北工业大学工程技术学院本科毕业设计i摘要华夏两千多年都离不开桩基础，由古老的桩基础到现在高层建筑的新型桩基础，这种基础形式一直被沿用至今，桩基础最为常用的有两种，分别是深基础和浅基础。当地质条件恶劣，无论是地基的强度，变形，稳定性都不能满足地基要求时，就选择深基础。桩基础能将上部建筑较大的荷载通过桩传递到地底坚硬的土层，让高大的建筑能在地质条件不能满足浅基础的情况下得以解决。桩基础对于高层建筑的高荷载，能有较好的承载能力，而且沉降问题也能得到减缓，在高大建筑，桥梁，地下隧道，水利水电工程中应用广泛，能很好地满足现代建筑的要求。本设计是先通过地质勘查，了解建筑物情况，然后决定桩形以及尺寸，确定复合基桩竖向承载力设计值，沉降计算，桩顶作用效应验算。关键词:浅基础深基础复合基桩竖向承载力设计值沉降计算桩顶作用效应验算湖北工业大学工程技术学院本科毕业设计iiAbstractMorethantwothousandyearsinChinaisinseparablefromthepilefoundation,theoldpilefoundationtonowhigh-risebuildingsofthenewtypeofpilefoundationandthisfoundationformhasbeeninuseeversince,pilefoundationisthemostcommonlyusedintwo,respectivelyisdeepfoundationandshallow.Whenthegeologicalconditionsarebad,whetherthestrengthofthefoundation,deformation,stabilitycannotmeettherequirementsofthefoundation,onthechoiceofdeepfoundation.Thepilefoundationcantransfertheloadoftheupperparttothegroundfloorhardsoilbythepile,sothatthetallbuildingcanbesolvedinthecaseofthegeologicalconditionswhichcannotmeettheshallowfoundation..Pilefoundationforthehighloadofhigh-risebuildings,hasgoodcarryingcapacity,andsettlementoftheissuescanbeslow,intallbuildings,bridges,tunnels,waterconservancyandhydropowerengineeringwidelyused,canwellmeettherequirementsofmodernarchitecture.Thedesignisfirstthroughgeologicalexploration,understandthesituationofthebuilding,anddecidethepileshapeandsize,determinethecompositepileverticalbearingcapacitydesignvalue,thesettlementcalculationandcheckingtheeffectonpiletop.Keywords:designvalueofpiletopsettlementeffectcheckingcalculationofbearingcapacityofshallowfoundationanddeepfoundationcompositeverticalpile湖北工业大学工程技术学院本科毕业设计目录摘要.................................................................................................................................iAbstract........................................................................................................................ii1引言..........................................................................................................................................12设计资料基本........................................................................................................................22.1工程地质勘察资料.........................................................................................................22.2建筑物情况.....................................................................................................................23设计选择桩型、桩端持力层、承台埋深......................................................................33.1选择桩型..........................................................................................................................33.2选择桩的几何尺寸.........................................................................................................34确定单桩极限承载力...........................................................................................................44.1静力触探法.....................................................................................................................44.2经验参数法.....................................................................................................................55确定桩数和承台底面尺寸.................................................................................................75.1轴线①.............................................................................................................................75.2轴线②.............................................................................................................................85.3轴线③.............................................................................................................................95.4轴线④...........................................................................................................................115.5轴线⑤⑥.......................................................................................................................125.6轴线⑦...........................................................................................................................125.7轴线⑧...........................................................................................................................126确定复合基桩竖向承载力设计值..................................................................................136.1四桩承台.......................................................................................................................136.2五桩承台......................................................................................................................