| 碎石盲沟排水对黄河放淤固堤工程淤背体固结影响 |
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| 引用本文： | 刘小文,许成承,沈细中.碎石盲沟排水对黄河放淤固堤工程淤背体固结影响[J].水文地质工程地质,2011,38(1):81-84. |
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| 作者姓名： | 刘小文 许成承 沈细中 |
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| 作者单位： | 南昌大学建筑工程学院;黄河水利委员会黄河水利科学研究院; |
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| 摘 要： | 为了分析排水措施对淤背体固结特性影响,以黄河山东某堤段为研究对象,数值模拟研究在淤区设置碎石盲沟排水方案,淤背施工过程中以及施工完成后放淤固堤工程孔隙水压力消散过程,探讨淤背体排水固结规律。研究结果表明,与无排水方案相比,该排水方案可以加速淤背土体固结,减小水分对黄河大堤堤背的渗入,降低围堤内的浸润线。在与试验区相似的施工工况条件下,建议3m左右淤土厚度布置一层排水盲沟,排水效果较好。数值计算结果与实际情况相吻合,可为黄河放淤固堤工程加快淤背体排水提供参考。
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| 关 键 词： | 放淤固堤 盲沟 排水固结 数值模拟 |
Impact of gravel blind ditch drainage programs on consolidation of the Yellow River dike by desilting |
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| LIU Xiao-wen,XU Cheng-cheng,SHEN Xi-zhong.Impact of gravel blind ditch drainage programs on consolidation of the Yellow River dike by desilting[J].Hydrogeology and Engineering Geology,2011,38(1):81-84. |
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| Authors: | LIU Xiao-wen XU Cheng-cheng SHEN Xi-zhong |
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| Institution: | 1.School of Architectural Engineering,Nanchang University,Nanchang 330031,China;2.Yellow River Institute of Hydraulic Research,Yellow River Conservancy Commission,Zhengzhou 450003,China |
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| Abstract: | In order to analyze the effect of drainage measure on consolidation characteristics of the dike by desilting,as a case study of the section of the Yellow River Shandong dike,pore water pressure dissipation laws during construction process and after construction of dike by desilting are researched by numerical analysis method under setting gravel blind ditch drainage programs,and drainage consolidation law is explored.The results show that the drainage program can accelerate soil consolidation of... |
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