极端气候对土石坝防渗体劣化致灾路径的影响综述

关键词：极端气候；土石坝；黏土斜墙；混凝土面板；复合土工膜；劣化致灾中图分类号：TV641;TV223 文献标志码：A doi：10.3969/j.issn.1000-1379.2026.02.023引用格式：，.极端气候对土石坝防渗体劣化致灾路径的影响综述[J].人民黄河，2026，48（2）：148-154.

Review of the Impact of Extreme Weather on the Degradation-Induced Disaster of Earth-Rock Dam Impervious Bodies

ZENG Tianbin1， TAN Yefei1，2 （1.Nanjing Hydraulic Research Institute，Nanjing 21OO29，China; 2.Dam Safety Management Center of Ministry of Water Resources， Nanjing 21OO29， China）

Abstract：Thispapersystematicallreviewed thedgradationandaging mechanismsandtheevolutionpathaysofdmageanddisasteofimpermeablematerialsinartrockdamsuderextreclimateconditios.Itfocusedontedegradatioandagingprocesssofkeyipablematerials，uchaslaydies，onceteslabsndcompositegomembranesunderadvereconditiosicludingetremedouhteay precipiation，ndempeatureumditylsesudyfdsthateteliaessficantlyceleateteegradtondingof permeable materials，suchasdryingcracksinclabodies，crackinginconcreteslabs，andagingand wrinklingofcompositegeombranes. ThesedegradatiopenomenasverelythatenthfeopatioofeseidamsAditioallyedgradatioandigofiable materialsexhibithysteresisandcumulatieects，meaningthattedeclieinpeforanceofenlagsindctualeviroealags andgraduallycculatestfscantstucturalamageinallteaersmmaestesorcongsofurrntseadpr posestargetedecommendatiosforimprovingthesafetandsicepeformanceofartockdamstoaddresstecalengesosdbyglobal climate change to water conservancy projects.

Keywords：extremeclimate；arthrockdam；clayslopingwall；concreteslab；ompositegeomembane；degradation-induceddisaster

0 引言

近年来，全球气候变化引发极端气候事件的频率和强度显著提高，这对包括水库大坝在内的关键基础设施的安全性构成了极大挑战。（剩余13491字）