| 南水北调中线淇河倒虹吸分层设置排水沟方案 |
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| 引用本文： | 李炎隆,刘云贺,朱展博,王国辉,马成成.南水北调中线淇河倒虹吸分层设置排水沟方案[J].中国科技论文在线,2014(11):1266-1269. |
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| 作者姓名： | 李炎隆 刘云贺 朱展博 王国辉 马成成 |
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| 作者单位： | 西安理工大学水利水电学院;中国电建西北勘测设计研究院有限公司;中国电建中南勘测设计研究院有限公司; |
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| 基金项目： | 高等学校博士学科点专项科研基金资助项目(20126118120015,20126118110014);陕西省重点学科建设专项(106-00X9030);中国博士后科学基金资助项目(2014M552470);西安市科技计划项目(CXY1349(7)) |
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| 摘 要： | 针对南水北调中线工程镇平段中，存在膨胀土、基坑涌水、涌砂、基坑边坡稳定和围堰地基渗漏等工程地质问题，首先建立了三维有限元计算模型，数值分析了分层设置排水沟方案。计算结果表明，采用该方案排水，在基坑处形成降水漏斗，可有效地降低地下水位线，结合分层开挖的施工方法，可满足施工要求，对同类工程施工有一定借鉴意义。
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| 关 键 词： | 倒虹吸 分层排水 排水方案 渗流量 |
Study on Stratified drainage of Qihe inverted siphon in middle route of south-to-north water transfer proj ect |
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| Institution: | Li Yanlong,Liu Yunhe,Zhu Zhanbo,Wang Guohui,Ma Chengcheng(1. Institute of Water Resources and Hydropovoer Engineering, Xi＇ an University of Technology, Xi＇ an 710048, China ; 2. Xibei Engineering Corporation Limited, PowerChina, Xi＇ an 710065, China ; 3. Zhongnan Engineering Corporation Limited, Power China , Changsha 410014, China) |
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| Abstract: | For the middle route of North Water Transfer proj ect,many engineering geological problems may be encountered,such as expansive soil,pit water gushing,slope stability of bay sand pit and cofferdam foundation leakage.This paper presents a nu-merical analysis of the scheme of stratified drainage using a three-dimensional finite element model.The result shows that the stratified drainage can form a funnel in the pit of the precipitation and reduce the water level effectively.The scheme may fulfill the construction requirements when it is combined with layered excavation construction process.It may provide valuable refer-ences for similar projects. |
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| Keywords: | inverted siphon layered drainage drainage scheme seepage flow |
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