黃土路塹邊坡穩(wěn)定影響因素及加固效果分析

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中圖分類號:U418.9 文獻標志碼:A 文章編號:2095-2945(2025)14-0126-04
1,1,1,2(1., 048000;2.省交通科技研發(fā)有限公司,)
Abstract:Basedonthefiniteelementstrengthreductionmethod,theslopestabilityunderdiferentfactorsisstudiedforthe structuralformsofShanxitypicalloessroadcutslope.Thesafetyfactorandoveralldeformationcharacteristicsofslopebefore andafterreinforcementareanalyzed,andtheinfluencelawofsidesloperatioandsoilstrengthparametersonslopestabilityis discused.Theresultsshowthatwhentheloesssidesloperatiois1:0.75,theslopestabilitycoeficientis1.15,andtheslope stabilityisimprovedwhentheconcretefotwallisusedtostrengthentheslop,andthemaximumdeformationandplasticstrain areaoftheslopearemovedup.Thesafetyfactorofslopestabilityincreasesgraduallywiththeincreaseofsloperate,andthe total displacement of slope foot decreases by 4.5% , 45.5% and 63.6% respectivelywhen slope rate is1:0.8,1:0.9 and 1:1.0 compared with 1:O.75;When the attenuation coefficients of soil strength are 95% and 90% respectively,the total displacement of slope deformation increases by 68.2% and 227.3% compared to when there is no attenuation.
Keywords:cutingslope;stability;deformationcharacteristic;numerical model;finiteelement strengthreductionmethod
邊坡穩(wěn)定性分析是確定邊坡是否處于穩(wěn)定狀態(tài),是對其進行加固與治理的重要決策依據(jù),是邊坡研究的核心問題。(剩余4641字)