水庫溢洪道混凝土泄槽面板的氯鹽侵蝕性能研究

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中圖分類號：TU521.3 文獻標(biāo)志碼：A 文章編號：1005-8249（2025）03-0054-04

Abstract：Explore theperformancechangesofconcretespillwaypanelsinchloridesalterosionenvironmentsforreservoir spillways，inordertorevealtheefectsofdiferentconcentrationsofchloridesaltsolutionsanderosiontimesonthedurabilityof concrete.Preparetheconcrete spillwaypanelspecimens of thereservoirspillway mixed with steel fibers and place them na chloridesalt wetdrycycletestchamberforsimulated environmental testing.Setfourdiferentconcentrationsofsodiumchloride solution.TheexperimentalresultsshowedthatChlorideerosion hasasignificantimpactonthedurabilityofconcretespillay panels inreservoirs.Byoptimizing concretemix proportions，improvingresistance tochloride erosion，ortaking protective measures，thedamage of chlorideerosiontoconcreteperformancecan beefectivelymitigated.The findingsmayserveasa reference for relevant engineering projects.

Key Words：reservoir spillway；concrete spillway panel;；chloride salt；erosion properties；mechanical properties

0 引言

水庫溢洪道泄槽面板的混凝土處于干濕交替的惡劣環(huán)境中，這會加劇氯鹽侵蝕，進而促進了氯離子滲透和擴散，最終導(dǎo)致混凝土內(nèi)部物理化學(xué)損傷的累積，反復(fù)的干濕循環(huán)導(dǎo)致混凝土性能逐漸劣化[1]。（剩余4918字）