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1、北方交通大學碩士學位論文土釘支護在工程中的應用姓名:王書君申請學位級別:碩士專業(yè):巖土工程指導教師:張鴻儒2002.6.1論文摘要【關鍵詞】:土鈳、土釘墻、滑移面、有限元\/、一/Vv本文運用對實際工程中的邊坡土體支護設計,土釘應力、邊坡位移監(jiān)測的手段,對土釘支護方案的整體穩(wěn)定理論進行檢驗,研究土釘支護體系中的各部分的工作狀態(tài)和機理,確定邊坡土體的位移和土釘應力的關系,驗證土釘支護的理論,進而對土釘支護工藝進行改進。廠/主要過程:La、某工程基坑邊坡支護設計;b、在施工的每一個步驟中,實地記錄邊坡的土層、土質(zhì)、地下水等對邊坡支
2、護有影響的物理量,對土釘墻的施工背景和工作環(huán)境有一個客觀的評價分析;c、監(jiān)測邊坡的雙向位移、各個階段的土釘應力,分析土釘支護的工作機理。d、采用有限元理論計算分析,確定對邊坡整體穩(wěn)定性有影響的各項參數(shù)。,V主要成果:a、明確士釘支護的工作機理:在一定范圍內(nèi),邊坡的位移和土釘?shù)睦﹃P系。b、明確土釘?shù)膬?nèi)力分布狀態(tài),單根土釘?shù)淖畲罄μ幱谶吰抡w穩(wěn)定的滑移面上,上部距離面層遠,下部近,在接近基坑底部時,滑移面通過面層。c、明確邊坡變形的發(fā)展過程,和地下水、季節(jié)凍融對邊坡的不良影響。d、明確各項參數(shù)對邊坡穩(wěn)定性的影響。Abstrac
3、t:[Keywords]:nailnailwallslopefiniteelementThisArticledecidesappliestotheNailsupportandprotectionproject,nailstressandthemeansofmovementsupervisionintheengineering.Nailsupportandprotection.Theensemblestabilitytheoryofnailsupportandprotectionschemeisputtotest.Anditde
4、velopsresearchontheworkingstateandprincipleofstepsofnailsupportandprotectionsystem.Whatmentionedabovehelpstodecidetherelationshipbetweenthemovementofnailstressandtestifythetheoryofnailsupportandprotectionsoastomaketheimprovementontheworkingprocessofnailsupportandpro
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7、:a.ToIrtaketheworkingprincipalofnallsupportandprotectionclear:TobCcertainextent,theslope’smovementisinprincipletothenail’spull.Tomakesurethenailsstressdistribuction,asinglenail’sstrangestpullisonensemblestabilities.Tomakecertainthedevelopmentcourseofde%rrnmionandthe
8、badeffectofseasonaldissolutionondisplacements.Itmakesitclearthatthecontributionoftheslopetotheensernblestability.北方交通大學工程頌L專業(yè)學位論文第一章、緒論:1.