雙曲線土壓力模型研究及工程應(yīng)用.pdf

1、廣東工業(yè)大學(xué)碩士學(xué)位論文雙曲線土壓力模型研究及工程應(yīng)用姓名：周偉斌申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：陸瑞明劉勇健20070520￡奎三些查蘭三蘭要圭主竺蘭三AbstractThecalculationofearthpressureisthekeytodesignoffoundationpit，engineeringpracticeshowthat1imitearthpressureneedsacertainlevelofdisp

2、lacement，andtherelationshipbebweenearthpressureanddisplacementisnonlinearInactualenginerringthedisplacementoffoundationpitdoesnotnecessarilyreachthe1imitdisplacementsexpaciallyinfirstandsecondclassfoundationpit，whosedisp

3、lacementisstrictlyrestricted，consideringtheeffectonsurroundingbuildingsTherefore，thestudyoncomputationtheoryofearthpressureconsideringeffectsofdisplacementisofgreatimportancetotheimprovementofthedesignoffoundationpitThro

4、ughcurvefittingofexperimentdataandobserveddata，thefeasibilityofhyperbolicearthmodelhasbeenverified；Thephysicalmeaningofparametersinhyperbolicearthmodelandthemethodfordetermininginitialhorizontalfoundationmodulushavebeens

5、tudied：thedisplacementof1imitearthpressureofhyperbolicearthpressuremodelanditsrationalitywasstudied：earthpressuresofdifferentsoillayershavebeencaculatedindifferentmovementdosesofretainingwallandthecorrespondingcurveshave

6、beendrawn，andthensummarizechangetrendofthecurvesandcomestotheconclutionthatthechangetrendissimilartotheresultsofexperimentdataandobserveddataTherationalityofhyperbolicearthpressuremodelhasbeenverifledfurtherbythreecomput