震后公路泥石流危险性评价方法

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中图分类号：P642.23 文献标志码：A 文章编号：2095-2945（2025）26-0135-04

Abstract：Inordertodetectdebrisflowdisastersintimeandtakeefectivemeasurestoreducetheimpactofdebrisflow disastersonhighways，basedontheliteratureresearchmethodandcombinedwiththecaseanalysismethod，theriskofdebris flowonhighwaysaftertheearthquakewasanalyzedThispaperfirstintroducestheprincipleandmethodofpost-earthquake highwaydebrisflowriskasesment，andthenexpoundstheselectionmethodsofconventionalandkeyindicatorsrespectively. Afterremovingsomeindicatorswithtoostrongcorelationthroughcorrlationanalys，thekeyinicatorsareprocessed，andhen anevaluationindicatorsystemisconstructed.Usedtodiscusstheriskofdebrisflowinthestudyarea.Theresultsshowthat thereare8，2Oand13debrisflowchanelsintheextremelydangerous，highandmediumdangerousareasalongthehighwayin thisstudy area，which have a high risk ofdebris flow occurrence.

Keywords： post-earthquakeroad;earthquakedisaster;debrisflow;materialsource informationextraction;riskassessment

地震是危害严重的地质灾害，不仅地震时会造成严重的人员伤亡，地震过后还可能引发山体滑坡、泥石流等危害，会对灾区内的高速公路带来严重损害，如冲毁路基、掩埋路面等，甚至会造成公路沿线河道堵塞或使农田被损毁。（剩余4732字）