[1]翁 杨,吕 庆,孙红月,等.富水区隧道渗漏病害虹吸排水处置方法模型试验研究[J].防灾减灾工程学报,2019,39(06):947-953.[doi:10.13409/j.cnki.jdpme.2019.06.009]
 WENG Yang,Lü Qing,SUN Hongyue,et al.Experimental Study on Siphon Drainage Method for Mitigating Tunnel Leakage in Water-rich Area[J].Journal of Disaster Prevention and Mitigation Engineering,2019,39(06):947-953.[doi:10.13409/j.cnki.jdpme.2019.06.009]
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富水区隧道渗漏病害虹吸排水处置方法模型试验研究()
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防灾减灾工程学报[ISSN:1672-2132/CN:32-1695/P]

卷:
39卷
期数:
2019年06期
页码:
947-953
栏目:
论文
出版日期:
2019-12-31

文章信息/Info

Title:
Experimental Study on Siphon Drainage Method for Mitigating Tunnel Leakage in Water-rich Area
文章编号:
1672-2132(2019)06-0947-07
作者:
翁 杨1 吕 庆2 孙红月1 李海光3 周土瑶3
(1.浙江大学海洋学院,浙江 舟山 316021; 2.浙江大学建筑工程学院,浙江 杭州 310058;3.金华市公路管理局,浙江 金华 321013)
Author(s):
WENG Yang1 Lü Qing2 SUN Hongyue1 LI Haiguang3 ZHOU Tuyao3
(1. Ocean College, Zhejiang University, Zhoushan 316021, China; 2.College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China; 3.Jinhua City Highway Administration Bureau,Jinhua 321013,China)
关键词:
隧道渗漏水 虹吸排水方法 模型试验 渗透系数 虹吸管径
Keywords:
tunnel leakage siphon drainage method model test permeability coefficient siphon pipe diameter
分类号:
U457+.2
DOI:
10.13409/j.cnki.jdpme.2019.06.009
文献标志码:
A
摘要:
针对隧道渗漏水病害问题,提出了一种新型隧道虹吸排水处置方法。通过室内物理模型试验,分析了虹吸排水作用对隧道围岩地下水的影响。结果表明:虹吸排水系统对地下水位的分布影响较大,虹吸管处地下水位变化尤为明显。降雨强度是影响虹吸排水流量的重要因素,降雨强度增大,虹吸排水流量先增大后维持最大流量不变,降雨所需疏干时间增长。围岩渗透系数与虹吸管径是影响地下水位分布与虹吸排水效果的重要因素,围岩渗透系数与虹吸管径越大,地下水位整体降深越大,虹吸排水流量维持在最大流量的稳定时间越短,地下水疏干时间越短,虹吸排水效果越好。
Abstract:
This paper proposes a new siphon drainage method for treating the leakage of tunnels under operation. A series of physical model experiments were carried out to analyze the influence of siphon drainage action on the groundwater in the surrounding rock masses of the tunnel. The results show that siphon drainage system has a significant influence on the distribution of groundwater level, especially at the location of siphon pipe installation. Rainfall intensity is one of the most important factors that affect the discharge capacity of the siphon drainage. When the rainfall intensity increases, the discharge amount of siphon drainage increases very fast at the beginning and then is kept at its maximum flow rate. Meanwhile, it requires more time to drain off all infiltrated rain water. Furthermore, the permeability coefficient of surrounding rock and the siphon pipe diameter are the two other influence factors that determine the distribution of groundwater level and the effect of siphon drainage. When the permeability coefficient of surrounding rock and the siphon pipe diameter are both relatively larger, the drawdown of the groundwater level is also larger, the duration of steady siphon drainage at the maximum flow rate becomes shorter and the time required to drain off all the rain water is also shorter. Therefore, the effect of the siphon drainage is quite good in such situation.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-01-15; 修回日期:2018-03-12基金项目:浙江省公路管理局科研项目(2016)、浙江省交通运输厅科研计划项目(2013H46)资助作者简介:翁 杨(1992-),男,硕士研究生。主要从事隧道渗漏水病害防治技术研究。Email:21534101@zju.edu.cn通讯作者:吕 庆(1978-),男,教授,博导。主要从事地质灾害基础理论与防治技术相关研究。Email:lvqing@zju.edu.cn
更新日期/Last Update: 2019-12-25