降雨作用下緩傾巖質(zhì)邊坡滑移破壞機(jī)制研究

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中圖分類號(hào)：TV871 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：1005-8249（2025）03-0096-05

DOI：10.19860/j.cnki.issn1005-8249.2025.03.018

Abstract：Investigatingtherainfallefectontheslidingfailure mechanismofinclinedrock slopes，takingthesoftrock froma reservoirlandslideinaspecificregionasthegeological prototype，physical modeling experimentscombinedwith numerical simulationsareconductedtoreproducethestressanddeformationcharacteristicsoftheslope.Theresultsindicatethat，under conditiosofrainfallandexcavation，therock layers initiallyexperiencebending，folowedbytensile failuresparaleltothe bedingsurfaces．Continuedbendingandoverturningresultinflexural-tensilefailures，causing bendingandcracking phenomnato extend towardtheupper partof the slope.Ultimately，localized tensile failures propagateupward to theslope crest，causing rocks to slidedownwardalongthesurfaceand leading toslope instability.These findings providevaluable references for similar engineering projects.

Key words：gently inclined rock slope；finite discrete element method； failure mechanism；centrifuge mode

0 引言

緩傾巖質(zhì)邊坡在多雨地區(qū)廣泛分布，極易在降雨誘發(fā)下發(fā)生滑移破壞，給工程建設(shè)和區(qū)域安全帶來(lái)隱患。（剩余5393字）