极端降雨条件下黄河淤背区路基湿度场模拟与特征分析

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中图分类号:U418.5;TV882.1 文献标志码:A doi:10.3969/j.issn.1000-1379.2025.08.025
1用格式:,,.极端降雨条件下黄河淤背区路基湿度场模拟与特征分析[J].人民黄河,2025,47(8):153-158
Simulation and Characteristic Analysis of Subgrade Humidity Fieldin in the Back Silted Area of the Yellow River Dikes Under Extreme Rainfall Conditions
ZHANG Yuanlong',ZHANG Tianhang²,GUO Yaofeng² (1.Construction Center of Yellw River Henan Bureau, Zhengzhou 45Ooo3,China; 2.Collge of Water Conservancyand Transportation,Zhengzhou University,Zhengzhou 45oo01,China) Abstract:Inordertoinvestigatetheifuenceofwaterinfiltrationoothsidesoftesugaeotheumidityfieldofthsiltsubraden thebacksiltedareaoftheYelowRiverdikesduringextremerainfall,GSndMKEwereusedtosimulatetedepthofwateronbothsides ofthesubgradeundertheinfalconditiosinZengzouocuedonJulyO,O1basedontheprovincialhghay312Zhengzoboder reconstructionproject.GoStudiowasusedtosimulateandanalyethevariaioncharacteristsofteumidityfeldofthesubgadewithdifferentgroundwaterdepts,sopeatiosandopeeightsunderteaifalliiltratio.Teresultssowthattewatercontentisedby thegroundwatrvelandsoilqualityndasnexpoentialrelatiospiteeightofsubgadesoilTevarationangeofatero tentinachlaoftsiallifixpotalladtoueefiaot tomlayeroftheleftslopeembankmentdecreasswithtedecraseoftesloerate,hilethetrendofterightslopeisopposite.Thriation range of water content and slope height on the right side of the slope meet the linear variation law.
Key words: silted area in the back of the Yellw River dikes;silt subgrade;rainfall ponding;humidity field
0 引言
黄河淤背区是含沙量大的黄河水引至黄河堤防工程背河侧沉沙落淤形成的区域。(剩余7461字)