庫(kù)區(qū)移民新建區(qū)邊坡土釘支護(hù)的合理設(shè)計(jì)與結(jié)構(gòu)優(yōu)化.pdf_第1頁(yè)
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1、重慶大學(xué)碩士學(xué)位論文庫(kù)區(qū)移民新建區(qū)邊坡土釘支護(hù)的合理設(shè)計(jì)與結(jié)構(gòu)優(yōu)化姓名：許年春申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：巖土工程指導(dǎo)教師：葉曉明20030509英文摘要ABSTRACTThesoilnailingiswidelyappliedinretainingslopesinnewconstructedlocationforemigratedpeopleinthethreegorgesreservoirareaduetoitsengineeringa

2、dvantagesuchaslessconstructiontime，economyeasilyconstructionAnditslogicaldesignandoptimizedstructureisveryimportantforsavingtheemigratedpeople’smoneyquickenthebuildingofthenewcitykeepingthelongdevelopmentofthenewci填Thisp

3、apercarriesoutaentirelystudyandresearchonsoilnailingasasloperetainingconstructionusinglimitedequilibriummethod，finiteelementmethod，soilpressureanalysismethodThroughanalysisandcompareitisverifiedthatthelogarithmspiralline

4、hasmoreengineeringadvantagethanthecircleline懿thesupposedslidesurfaceforaslopeSotheauthorwritesaFortranlanguageprogramforanalyzingsoilnailingusinglimitedequilibriummethodWiththehelpofthisprogram，thispaperdoesresearchonthe

5、movedbackwardsoftheslidesurface，lengtheningtheanchorsection，thesoilnail’stotalforce，getsconclusionaboutrelationsbetweenthesoilnail’slengthandtheslope’sgrade，height，soil’smechanicalparameter；relationsbetweensoilnaillstota

6、lforceandCoulombsoilpressureWiththehelpofthelargemultiusefiniteelementprogramAnsys，thispaperanalyzesthesoilnailinginonestep’sslopes，intwo—steps’slopes，putstheemphasisontheaxisforce’sdistributingalongthesoilnailateachrows

7、，theeffectofboththeexcavatingmodeandtheoriginalslopefiguretotheaxisforceofthesoilnail，theoneanothereffectbetweentheupperstepslopeandthenetherstepslopeinthesoilnail’saxisforce，getsconclusionaboutthedesignofsoilnailatthefi

8、rstlowdifferentslopebodyisthesame、Ⅳimdifferentexcavatingmodetheoriginalslopefigurehasmoreeffecttosomethanothersbecauseoftheslopebodythereasonablydesignofthestepwidthintwo—stepsslopes，thetwo—stepsexcavatingandretaininghas

9、morevirtuethantheone—step’sThroughsoilpressureanalysisthispaperdoesresearchonthedifferencesandthelinksbetweentheCoulombsoilpressuretheoryandtheRankin’s，theverticalpressureattheslopesurfacewhentheslopesurfaceisinclinedand

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