水库溢洪道混凝土泄槽面板的氯盐侵蚀性能研究

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中图分类号：TU521.3 文献标志码：A 文章编号：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

水库溢洪道泄槽面板的混凝土处于干湿交替的恶劣环境中，这会加剧氯盐侵蚀，进而促进了氯离子渗透和扩散，最终导致混凝土内部物理化学损伤的累积，反复的干湿循环导致混凝土性能逐渐劣化[1]。（剩余4918字）