深基坑樁錨支護(hù)側(cè)土壓力反分析及現(xiàn)場監(jiān)測研究.pdf

1、北京工業(yè)大學(xué)碩士學(xué)位論文深基坑樁錨支護(hù)側(cè)土壓力反分析及現(xiàn)場監(jiān)測研究姓名：樊紹峰申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：張欽喜周與成20080501’ABSTRACT量!!!!!!曼曼曼!!曼皇!曼曼!曼曼!皇苧曼曼曼!曼曼曼mm“一鼉苧曼曼苧皇皇!曼曼!曼曼!蔓曼曼皇曼舅ABSTRACTEarthpressureiSoneofbasiccontentinSoilMechanics，anditcanpromotemanydevelopm

2、entsofrealmsinthesoilmechanicsAlongwiththeexploitationanddevelopmentofhighrisebuildingandundergroundspace，thedeepfoundationpitengineeringincreasesgreatlyinOurcountryPile—anchorretainingisappliedverywidespreadinBeijingBut

3、thestresscharacteristicofretainingpilewhichisthemainstressedmemberremainsunclearThedistilbutionandvalueofretainingpile’SlateralearthpressureareurgentproblemsinprojectsThebackanalysisofearthpressurebasedonmonitoringdataha

4、sdoneliRleresearch，anditisworthtodofurtheranalysisandresearchThemainmethodandresearchcontentinthispaperareasfollows：(1)ThebasicformandapplicationscopeoffoundationpitsupportareexpoundedThereasonandfailuremodeofsupportings

5、tructureareanalyzed，SOitisimportanttocarryonfoundationpitmonitoring(2)Theearthpressuretheoryonsupportingstructureandexistingmethodsofearthpressurearesummarizedaboutfoundationpitengineering(3)Thebackanalysisofearthpressur

6、ebasedonmonitoringdataisproposedandthebackanalysismethodofpile—anchorlateralearthpressureisdeducedWiththemeasureddataofZhongshiyouandYaaoguangchangproject，therationalityofbackanalysismethodhasbeenverifiedandthebackanalys

7、isresulthasbeenanalyzedaccordingtothecomparisonofthemeasuredvalueandcalculatedvalue(4)Thecomparisonofretainingpile’smomentamongmeasuredvalue，calculatedvalueandsimulationvalueiSanalyzedafternumericalsimulationOiltwoprojec

8、tswithFLAC(5)TheworkingperformanceofsupportstructureisanalyzedbasedonmonitoringdataTheexperienceand1essonsaresummafizedatlastTheprincipalconclusionsofthispaperareasfollow：(1)Firstthemethodofbackanalysiswhichissuitabletop

9、ile—anchorretainingisderivedThevalueanddistributionpattemofearthpressurecanbeobtainedwitllbackanalysismethodofearthpressureinthispaper(2)WththemeasureddataofZhongshiyouandYaaoguangchangproject，thepilemomentwhichisderived

10、fromsteelstresscanbeseemasmeasureddataAndthemomentwhichiscalculatedbythetheoryofbackanalysisisseemastheoreticalvalueAccordingtothecomparisonofthemeasuredvalueandtheoreticalvalue，therationalityandapplicabilityofbackanalys