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1、IVXXXX大学本科生毕业论文本科毕业设计（论文）XXXXXXXXXXXXXXX学院名称专业名称学生姓名学号指导教师二〇一四年X月IVXXXX大学本科生毕业论文万国集锦园项目岩土工程勘察及地基处理初步设计摘要：论文从了解万国集锦园项目岩土工程勘察报告基础上，从岩土工程勘察和地基基础设计两方面进行分析。第一方面是岩土工程勘察，根据岩土工程勘察规范，本工程建筑物重要性等级为二级，场地等级为二级，地基等级为二级，所以本岩土工程勘察等级为乙级。根据规范和场地建筑的分布情况，布置了70个钻孔，通过钻探取样和原位测试，得出地基土的承载力特征值，素填土80kPa、粉质粘土（
2、2）130kPa、粉质粘土（3-1）400kPa，根据分析，有软弱下卧层的存在，所以场地地基稳定性差，场地工程建设适宜性差，需要进行地基处理才能满足设计要求。第二方面是地基处理和沉降验算。先按浅基础计算，根据勘察报告，上部荷载为6000KN，再根据相应的岩土的重度计算基础长和宽都为3.8米。通过计算沉降，沉降差为231.59mm，不满足规范要求，所以要进行地基处理。最后采用桩基础设计，通过桩长和褥垫层的设计后，计算沉降为14.44毫米，满足规范要求。关键词：原位测试；勘察；桩基础；地基处理IVXXXX大学本科生毕业论文WanguoJijinParkProjec
3、tGeotechnicalInvestigationandFoundationTreatmentPreliminaryDesignAbstract：Thispapermainlyanalyzesfromtwoaspectsoftheprojects,geotechnicalengineeringinvestigationanddesignoffoundation.Thefirstaspectisthegeotechnicalengineeringinvestigation,accordingtothegeotechnicalengineeringspecifi
4、cation,Thisprojectsbuildinglevelofimportanceforthetwo,thevenueforthetwogrades,thefoundationleveloftwo,sothegeotechnicalengineeringinvestigationlevelisCategoryB.Accordingtothespecificationandsitearchitecturedistribution,layoutofthe70drillingsites,throughthesamplingbydrillingandin-sit
5、utests,obtainthefoundationsoilbearingcapacityvalues,plainfill80kPa,siltyclay(2)130kPa,siltyclay(3-1)400kPa,accordingtotheanalysis,thereispresenceofweakunderlyinglayer,Sothesiteofstabilityofthefoundationispoor,thesiteofconstructionsuitabilityispoor,sothesiteisneededthefoundationtreat
6、menttomeetthedesignrequirements.Thesecondaspectisthefoundationhandlingandsettlementchecked.Accordingtotheshallowfoundationcalculationfirst,Accordingtotheupperload6000KNandcorrespondinggeotechnicalsevere,tocalculatefoundationoflengthandwidthbothare3.8meters.Bycalculatingthesettlement
7、,differentialsettlementis231.59mm,itdoesnotmeetthespecificationrequirements,soitneedsfoundationtreatment.Finally,usingthepilefoundationdesign,throughthepilelengthandmattresslayerdesign,calculationsettlementof14.44mm,itmeetstotheregulatoryrequirements.Keyword：In-situtesting,reconnais
8、sance,pilefoundatio
