山岭隧道洞口段工程地质灾害风险评价的数学模型及应用

Hazard Control in Tunnelling and Underground Engineering

2019, Vol. 1

Issue (4): 75-84 DOI:

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Study and application of mathematical model for engineering geological hazard risk assessment of mountain tunnel mouth

GUO Xiaohong¹, YAO Zaifeng¹, MA Wenzhu², HE Xiaonan²

1. Technical Center, China State Construction Engineering Corporation, Beijing 101300, China;
2. School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100089, China

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Abstract By collecting the data of collapses and landslide disasters at the mountain tunnel mouth, ten factors were summarized to two major aspects of collapses at tunnel mouth and instability in heading slope in this paper. Classification of disaster factors were suggested, math model of the membership degree of disaster factors which could achieve qualitative to quantitative mathematical was established, mathematical principles on disaster factors in fuzzily integrated analysis method was explained, thus, the mathematical model for engineering geological hazard risk assessment of mountain tunnel mouth was established. Ttaking the engineering practice of the mouth section of Zishi Tunnel and Ganggou tunnel as two cases, the application method of the model was described in detail, and the engineering geological risk of the project was evaluated, which provided theoretical tools and methods for tunnel workers to strengthen the safety control of the construction at the mountain tunnel mouth.

Key words： tunnel mouth risk assessment fuzzy comprehensive evaluation disaster factors

Received: 03 December 2019 Published: 09 March 2020

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Cite this article:

GUO Xiaohong,YAO Zaifeng,MA Wenzhu, et al. Study and application of mathematical model for engineering geological hazard risk assessment of mountain tunnel mouth[J]. Hazard Control in Tunnelling and Underground Engineering, 2019, 1(4): 75-84.

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http://tunnel.sdujournals.com/EN/ OR http://tunnel.sdujournals.com/EN/Y2019/V1/I4/75

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