巖溶地區(qū)嵌巖樁基承載特性研究.pdf

1、東南大學(xué)碩士學(xué)位論文巖溶地區(qū)嵌巖樁基承載特性研究姓名：龔成中申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：龔維明20050315巖溶地區(qū)嵌巖樁基承載特性研究Studyofthecharacteristicofbearingcapabilityofpilef0undationinkarstsareaAbstract：Thekarsts—lli曲landaureasmailllyrefertothosemouIltainousareasunde

2、rmeiunsdictionofcountiesandmlmicipalitieswhere、、fUllyexposedorsemiexDosedcarbonaterocksaccountformorethan3O％ofthetotalareaInmesouthwestempartofChinamekarsts—hi曲laJldareaSaredistributedlaLrgelyinthemostpartofGuizhouprovin

3、ce，aJldsomep鋤sofⅥmnanaJldSichuanprovinces，asweUasGuallgxiAutonomousRegionWiththedeVelopmentinwestemregion，theproblem，especialthedetenninationofbearingc叩acityofpilefoundation，willbemeetinevitably，therefore，itisnecess撒yfbr

4、itstecllIliqueandeconomictoer山ancethestudyonthecharacteristicofbearingcapabil時ofpilefoundationduringthepilefoundationdesigninkarstsareaFirst，bymakinguseoftheanalyticmethodinmechanics，imitatingaplar墩asthebe鋤，arch，slabetct

5、hebearingcapabilityofpilefoulldationinKarstsareaarediss01vedAlthoughthelocal—measureisoneofthemostimportalltmethodsforit，itisseldomtakenbecauseofthelimitedoffinancingBaSedonthefilliteelementmemod，themaiorinnuencefactorsa

6、boutthemagnitudeorthekarstscaVe，caHyingslabthicknessandmestren垂hofrockarediscussedAccordingtotheaJlalysisresults，ofaUtheinnuencefactorsthemostisthestren酉hofrockaroundthepilesThemorestrengthentherock，thestrongerthebearing

7、capabili研Finial，combinedwimtheexperienceofengineering，mereliabilityandValidityofthefillitemethodisverifiedAsaresultthebearingcapabilityofpilefoundationaredetell：11inantKeywords：Karsts，pilefoundation，mechanicsanalysis，fil