富水风化花岗岩隧道突水突泥灾害防治技术

Hazard Control in Tunnelling and Underground Engineering

2019, Vol. 1

Issue (3): 32-38 DOI:

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Treatment technology of water and mud inrush disaster in water-rich weathered granite tunnels

CHEN Weizhong^1,2, YUAN Jingqiang¹, HUANG Shiwu³, YANG Lei²

1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, Hubei, China;
2. Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, Shandong, China;
3. Guangxi Communications Investment Group Co., Ltd., Nanning 530022, Guangxi, China

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Abstract Water and mud inrush disaster occurs frequently in weathered granite regions with abundant water, which does tremendous harm to the construction of tunnels and surrounding environment. Combining with the treatment practice of water and mud inrush disaster of Junchang tunnel in Guangxi Zhuang Autonomous Region, the treatment principle of water and mud inrush disaster was determined firstly based on the characteristic analysis of water and mud inrush disasters. The composite curtain grouting technique was established for sealing groundwater and reinforcing the surrounding rock, based on the laboratory and field tests. And the comprehensive evaluation method of grouting effect was proposed in order to evaluate the implementation results of curtain grouting work. The proposed treatment technology had successfully solved the water and mud inrush disaster in Junchang tunnel. And the research results could provide reference and guide for the prevention and treatment of water and mud inrush disaster in similar geological conditions.

Key words： tunneling engineering water-rich weathered granite water and mud inrush treatment technology

Received: 04 July 2018 Published: 13 November 2019

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	CHEN Weizhong
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Cite this article:

CHEN Weizhong,YUAN Jingqiang,HUANG Shiwu, et al. Treatment technology of water and mud inrush disaster in water-rich weathered granite tunnels[J]. Hazard Control in Tunnelling and Underground Engineering, 2019, 1(3): 32-38.

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http://tunnel.sdujournals.com/EN/ OR http://tunnel.sdujournals.com/EN/Y2019/V1/I3/32

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