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隧道施工地下水位变动规律及
注浆圈合理参数
王培文
(中交一公局厦门工程有限公司,福建厦门 361021)
[摘 要 ] 高压富水区矿山法隧道施工对地下水渗流场的扰动十分明显,容易诱发地下水资源大量流
失、地下水位大幅度下降等水环境负效应。以文笔山2号隧道为研究案例,对整个施工流程、施工方法进行
必要的总结,以更好地应对隧道施工过程中地下水位变化对施工活动的影响,打造成熟的隧道施工方案。
通过对该项目施工经验的总结,逐步明确了注浆圈在实际施工环节的应用价值,实现了施工经验的总结。
例如在隧道施工过程中,上台阶开挖期间,地下水水位会出现下降的情况。同时,不同区域由于降水等因
素的差异,地下水位高度难以进行统一性的计算与规范。这种施工经验的总结,对于后续施工活动的稳步
开展,有着极大的裨益,保证了施工技术方案的针对性以及有效性。
[关键词 ] 矿山法隧道;数值模拟;地下水位;注浆圈参数
[中图分类号] TU 74 [文献标志码] B [文章编号] 1001 -523X (2022 )01-0133 -05
VARIATION LAW OF GROUNDWATER LEVEL AND REASONABLE PARAMETERS OF
GROUTING CIRCLE IN TUNNEL CONSTRUCTION
Wang Pei-wen
[Abstract ] The disturbance of mine tunnel construction in high-pressure water rich area to groundwater
seepage field is very obvious,which is easy to induce negative effects of water environment such as massive loss
of groundwater resources and significant decline of groundwater level. Taking Wenbishan No.2 tunnel as a research
case,th e paper makes a necessary summary of the whole construction process and construction methods, so as
to better deal with the impact of groundwater level change on construction activities during tunnel construction and
create a mature tunnel construction scheme. Through the summary of the construction experience of the project ,
the application value of grouting ring in the actual construction link is gradually clarified,and the summary of
construction experience is realized. For example, during tunnel construction,the groundwater level will drop
during upper bench excavation. At the same time ,due to the difference of precipitation and other factors in different
regions,it is difficult to calculate and standardize the height of groundwater level. The summary of construction
experience is of great benefit to the steady development of follow-up construction activities and ensures the
pertinence and effectiveness of the construction technical scheme.
[Keywords ] mining tunnel ; numerical simulation ;groundwater level ; grouting circle parameters
在隧道施工环节,地下水在各类因素的影响下,
易出现下渗的情况,导致隧道内部的施工环境发生深
刻变化,形成漏斗区。地表水逐渐疏干、井泉枯竭,
直接影响自然生态、农业生产和人居环境。
为有效解决隧道施工过程中,施工活动对于水环
境扰动程度的分析,李国等依托国内隧道工程的相关
案例数据,系统总结了隧道施工与区域水体环境之间
相互联系,通过分析水害的形成原因,逐步明确水害
的处理方式与基本方法。
陈道勇等通过客观的研究与分析,利
隧道施工地下水位变动规律及注浆圈合理参数(论文).pdf