含软弱夹层边坡稳定性及抗滑桩支护效果研究

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中图分类号：TU457 文献标志码：A 文章编号：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

我国幅员辽阔，地质构造具有显著的区域差异性，其中滑坡灾害作为最具破坏力的地质灾害类型之一，其突发性强、致灾链复杂的特点，往往伴随着重大人员伤亡、基础设施损毁和巨额经济损失，对社会经济发展构成严峻挑战[1-2]。（剩余6037字）