Affiliation:
1. School of Engineering and Technology, China University of Geosciences (Beijing), Beijing 100083, China
2. China Construction First Group Corporation Limited, Beijing 100071, China
Abstract
In the process of tunnel construction, the water inrush disaster is one of the main engineering geological disasters. In karst strata, different types of water-bearing structures or karst water bodies develop and occur in the soluble rock layer, and tunnel excavation easily forms new drainage channels, resulting in water inrush in the tunnel. Based on the project of the Huali Highway Banyanzi Tunnel, this paper studies the water inrush characteristics, water inrush mechanism, and treatment measures of the karst tunnel. According to the basic data, combined with field investigation, data monitoring, geological radar detection, tracer test, and numerical simulation, the characteristics and hydrogeological conditions of the tunnel water surge were investigated and analyzed. In addition, the mechanism of tunnel water surge was further summarized. Moreover, the tunnel water-gushing management measures are optimized and verified based on the tunnel water spraying mechanism.
Funder
National Natural Science Foundation of China
Fundamental Research Funds for the Central Universities of China
Subject
Water Science and Technology,Aquatic Science,Geography, Planning and Development,Biochemistry
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