双排抗滑桩计算方法研究

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1、西南交通大学硕士学位论文双排抗滑桩计算方法研究姓名：刘鸿申请学位级别：硕士专业：岩土工程指导教师：毛坚强20070401西南交通大学硕士研究生学位论文第

2、l页AbstractDouble-·lOWanti·-slidingpileshavebeenwidelyappliedtocivilengineeringpractice．Butuptillnow,modelsandmethodswhichaleusedforcalculationsinmanydesignandresearchinstimtearedifferentfromop_eanother,and

3、leadtodifficultyinreasonabledesingning．Thekeyproblemistheallocationofthepushingforceofthecreeping-hillsidebenVeenthedouble-rowpiles．Themainpurposeofthisthesisistofindtheallocationrelationshipbetwe呢nthefi'ontpileandthebackpilethroughresearchoftheactionofsoilbetweenthedoublepilesandb

4、ymear塔oftheconstructionofcalculationmodels，SOaStoprovidereferencesfordesigningandconstruction．Inthethesis，theachievementsconcerninginteractionofportaldouble-rowpilesandSOilarcanalyzedandsummarizedinthefirstplace．Tofindoutthetransmissionandallocationrelationshipofthepushingforceofth

5、ecreeping-hillsidebetweentheportaldouble-rowpiles，thisthesisappliestheelastictheoryands饥

6、cturalanalysistheorytogetthecalculationformulaSofthehorizontaldisplacementofthepilesandtheSOilbetweenthepiles,andappliesdeformco-ordinationtheorytogettheanalyticanswertothemodel．Thecalculations

7、showthattheratiooftheinteractingforcebetweenthebackpileandthesoiltotheforcebetweenthefrontpileandthesoildecreaseswhilethelowdistancebe柳eenthepilesincreasesandthatthemainresearchresultsandconclusionsprovidereferencesfordesigningandconstruction．Thecalculationsalsoshowthatthelinkedbea

8、mtransmitssomepushingforceofthecreeping-hillside，andthatwiththeincreaseoftherigidityofthelinkedbeam,thedisplacementandturningdecreaserapidlywhiletheratiochangeswithinasmallrange．Afterall，anexampleofanti-slidingpilesdesignisgiventhroughthecompariSOnofanti-slidingpilesdesignoftheChan

9、gJiang西南交通大学硕士研究生学位论文第1II页gorgesWanQuaacreeping-hillside，theresultshowsthatthedouble．rowpilesalemoreeconomicalthanthesolepileswhenthepushingforceisverybig．Kevword：double-rowpiles；creepinghill—sidepushingforceallocation；elastictheory；CO·ordinateddeformmion西南交通大学硕士研究生学位论文第1页1．1问题的由来第

10、1章绪论滑坡为入类所面临的自然灾害之一，而且发生频繁