基于结构熵权-可信性测度理论的冰碛体隧道围岩分级研究

陈志敏; 张政; 刘耀辉

doi:10.3973/j.issn.2096-4498.2025.S1.017

隧道建设 >

2025 , Vol. 45 >Issue S1: 158 - 167

DOI: https://doi.org/10.3973/j.issn.2096-4498.2025.S1.017

地质与勘察

基于结构熵权-可信性测度理论的冰碛体隧道围岩分级研究

陈志敏 ,
张政 ,
刘耀辉

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(1. 兰州交通大学土木工程学院，甘肃兰州 730070；2. 兰州交通大学道桥工程灾害防治技术国家地方联合工程实验室，甘肃兰州 730070; 3. 中国市政工程西北设计研究院有限公司，甘肃兰州 730000)

陈志敏(1979—)，男，河北邢台人，2012年毕业于兰州交通大学，岩土工程专业，博士，教授,主要从事隧道领域的科研教学工作。E-mail： czm@mail.lzjtu.cn。 *通信作者：张政， E-mail： 2328786454@qq.com。

网络出版日期: 2025-07-15

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Surrounding Rock Classification Methods for Moraine Railway Tunnels Based on Structural Entropy Weight-Credibility Measurement Theory

CHEN Zhimin ,
ZHANG Zheng ,
LIU Yaohui

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(1. School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China; 2. National and Local Joint Engineering Laboratory of Road and Bridge Engineering Disaster Prevention Technology, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China; 3. CSCEC AECOM Consultants Co., Ltd., Lanzhou 730000, Gansu, China)

Online published: 2025-07-15

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摘要

为解决多因素冰碛体隧道围岩分级中存在的复杂性和主观性问题，基于结构熵权法和可信性测度理论，以及适用于冰碛体围岩的分级指标，如土水含量、颗粒形态、冻融作用、地应力及含石量等，提出一套多因素、两层次的围岩分级指标体系。在此基础上，细化各分级指标的定性和定量描述，并提供各指标的建议评分区间和评语级别。结合主客观因素，建立围岩分级体系模型。结果表明：通过对西南某铁路隧道案例进行验证，该方法的围岩分级结果与其他方法相比具有较高的吻合度，显示出较强的包容性和实际可行性。

关键词： 冰碛体隧道; 结构熵权法; 可信性测度; 围岩分级; 冻融循环; 实例验证

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陈志敏 , 张政 , 刘耀辉 . 基于结构熵权-可信性测度理论的冰碛体隧道围岩分级研究[J]. 隧道建设, 2025 , 45(S1) : 158 -167 . DOI: 10.3973/j.issn.2096-4498.2025.S1.017

Abstract

Classification of surrounding rock of moraine tunnels considering multiple factors is always complex and subjective. To address these problems, a set of multi-factor and two-level surrounding rock classification index system is proposed based on structural entropy weight method and credibility measure theory. The factors considered in the system include soil and water content, particle morphology, freezing-thawing effect, ground stress, and stone content. Additionally, the qualitative and quantitative description of each classification index is refined, and the recommended scoring interval and comment level of each index are provided. Subsequently, a surrounding rock classification model considering subjective and objective factors is constructed. The results show that the application case of a plateau railway tunnel in southwest China demonstrates high fit between the proposed method and other methods and strong inclusiveness and practical feasibility of the proposed method.

Key words： moraine tunnel; structural entropy weight method; credibility measurement theory; surrounding rock classification; freezing-thawing cycle; instance verification

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