含軟弱夾層邊坡穩(wěn)定性及抗滑樁支護(hù)效果研究

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中圖分類號(hào)：TU457 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：1005-8249（2025）02-0085-06

DOI：10.19860/j.cnki.issn1005- 8249.2025.02.015

Abstract：To studythestabilityofslopes containing weak interlayers，basedonthetreatmentofalandslideinacertainwater conservacy project，thefactorsafecting slope stabilityandtheefectivenessofanti slippiletreatment were studied.Abaqus software wasused to modelandcalculate theimpactofchanges inanti slippileparametersonslopestability.Theresults show thatthedisplacementoftheupperpartof heslopeisrelativelylargeamong thevariousstepsoftheslope.Inthedepthdirection of the slope，thereisacertainfluctuationinthedisplacementofeach step.Thedisplacementatadepthof2O.2misrelatively large，but the cumulative displacement is always within a smal range （ ， ± 1 0 m m ）. After being supported by anti slip piles，the displacement of theslope graduall tends to stabilize；Rainfallandengineringactivitiescan causedisturbance totheslope， acceleratingitsinstability.However，anti slippileshaveagoodefectonreinforcingtheslope，andthecumulativedisplacement values arestable withinthecontrolrange；Through numerical simulationoptimizationofanti slippiledesign，itwas found that themosteconomical andreasonablesolutionis whentheanti slippileis locatedat thesecond step，with a pilelengthof 2 3 . 4 m （20 and a pile spacing of

Key words：soft interbedded strata；field monitoring；slope stability；slip-resistant pile design optimization

0 引言

我國幅員遼闊，地質(zhì)構(gòu)造具有顯著的區(qū)域差異性，其中滑坡災(zāi)害作為最具破壞力的地質(zhì)災(zāi)害類型之一，其突發(fā)性強(qiáng)、致災(zāi)鏈復(fù)雜的特點(diǎn)，往往伴隨著重大人員傷亡、基礎(chǔ)設(shè)施損毀和巨額經(jīng)濟(jì)損失，對(duì)社會(huì)經(jīng)濟(jì)發(fā)展構(gòu)成嚴(yán)峻挑戰(zhàn)[1-2]。（剩余6037字）