土拱效应理论研究现状及其进展

201111161730050【】。、。100。、、、、。【】【】TU431【】B【】1001－6864201111－0082－03ARCHINGEFFECTOFSOILSTATUSANDPROGRESSOFTHEORETICALRESEARCHLIUHuiMIHai-zhenWENTaoLIUHao-jieSchoolofCivilEngineeringLanzhouUniversityofTechnologyLanzhou730050ChinaAbstractSoilarchingeffectasawidespreadnaturalphenomenonisanuniquespatialeffectofsoilthatcausedbytheunevendisplacementofthemedium．ItisanimportantreasonofthedifferencesintheresultofsufferedearthpressureofsupportingstructurewiththatofCoulombearthpressuretheoryandRankineearthpressuretheory．Althoughthestudyingprocesshasbeinglastedformorethan100yearstherearemanyissuesworthyofdiscussionaboutsoilarchingeffect．BasedonthepresentsituationofstudyingofsoilarchingtheoryThepapermakesaclassifiedelaborationofsoilarchingeffectfromthefollowingaspectstheconditionsfortheexistenceofsoilarchthepilespacingofsoilarchthefactorsofsoilarchandthefactorsofstresssharingrationofsoilarch．Italsosummarizestheachievementsthathavebeenfoundandemphasizesonthecontroversialpoints．Atlastthepaperbringsforwardsomesug-gestionsforthefurtherdevelopmentofsoilarchingeffect．Keywordssoilarchconditionsfactorspilespacingstresssharingration、。。。、。100。、。11．1Terzaghi11943。2。McNulty3。4。5。。、。28。。1．2。。。6、。7。8、。9。、。Chen10。8。。。、。。1．3、、、、、、。11、、±。Bosscher12。、、。。、、。1．413、、。80%。WJ．Hewlctt。345%566%。1．5。。San-tamarina15。。Malushitsky14。8～12cm。Ovesen510%～20%。16Ovesen。。①②③。21。。238201111161。3、、、。1TerzaghiK．TheoreticalSoilmechanicsM．NewYorkJohnWi21ey＆Sons．1943．2．lC∥19977378．3MCNULTYJW．AnexperimentstudyofarchinginsandR．MississippiUSArmyEngineerWaterwaysExperimentStationCorpsofEngineers1965．4．J．2003384398－402．5．J．199521519．6．J．19972710．7．C∥．l99873－78．8．J．2001196556－559．9．TJ．T2004261132－135．10CbenChien－YuanNumericalanalysisofslopestabilizationcon-ceptsusingpilesD．TheUniversityofSouthernCalifornia2001．11．J．200527389－93．12BosscherPeterJGrayDonaldH．soilarchinginsandyslopesJ．JournalofGeoteelmiealEngineering19861126626．13．J．2004252174－179．14MalushitskyYN．Thecentrifugalmodeltestingofwaste－heapembankmentsM．LondonCambridgeUniversityPress1975．15SatamarinaJGGoodingsDJ．CentrifugemodelingAStudyofSimilarityJ．GeotechincalTestingJournal．1989122122．16．J．19963．2011－08－101986－欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁。74。、。、7。。1。。2。。3。、。5。。。20mm/a0.1m/a35%。1.J.2006122153－160.2.J.1998926－12.3.J.2010176221－226.4.J.200734474－78.5.J.200182273－178.6.J.199825517－20.7.“”J.200516469－73.2011－07－261987－。48