深埋隧洞力学响应监测与测试设计的思考

›› 2018, Vol. 39 ›› Issue (7): 2626-2631.

深埋隧洞力学响应监测与测试设计的思考

张传庆^{1, 2}，高阳^{1, 2}，刘宁³，周辉^{1, 2}，冯夏庭^{1, 2}

1. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室，湖北武汉 430071；2. 中国科学院大学，北京 100049； 3. 中国电建集团华东勘测设计研究院有限公司，浙江杭州 310014

收稿日期:2016-10-13 出版日期:2018-07-10 发布日期:2018-08-05
作者简介:张传庆，男，1977年生，博士，研究员，博士生导师，主要从事深部工程灾害防护机理与新技术方面的研究工作。
基金资助:
国家自然科学基金资助项目(No. 51279201)；中国科学院科研仪器设备研制项目资助(No. YZ201344)。

Reflection on the problems in mechanical response monitoring and testing design of deep tunnels

ZHANG Chuan-qing^{1, 2}, GAO Yang^{1, 2}, LIU Ning³, ZHOU Hui^{1, 2}, FENG Xia-ting^{1, 2}

1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei 430071, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China; 3. HydroChina, Huadong Engineering Corporation, Hangzhou, Zhejiang 310014, China

Received:2016-10-13 Online:2018-07-10 Published:2018-08-05
Supported by:
This work was supported by the National Natural Science Foundation of China (51279201) and the Funding of Research Instrument and Equipment Development Project of Chinese Academy of Sciences (YZ201344).

摘要/Abstract

摘要： 深埋隧洞工程越来越多，但相关工程经验积累不足，设计和计算方法远未成熟，深埋隧洞工程设计和施工安全控制需要大量现场监测和测试数据的支撑，而现有的监测和测试设计方法均针对浅埋工程的特点提出，在深埋隧洞施工过程中应用时遭遇到极大挑战。为此，首先依据现场揭露现象和多种先进观测技术获得的成果，分析了深埋硬岩隧洞施工期围岩的开挖力学响应特征和运行期衬砌的力学响应特征，剖析了现今主流观测方法存在的问题，提出了6条关于深埋隧洞典型断面监测和测试设计的建议，为促进此类工程相关设计方法的完善提供参考。

关键词: 深埋隧洞, 变形监测, 声波测试, 力学响应, 衬砌

Abstract: Nowadays the number of deep tunnels is greatly increased. Since there are lacking successful numerical methods and experiences from relevant engineering construction and design of deep tunnels, massive on-site monitoring and testing should be conducted to support the design and safety control. The present monitoring and testing design methods are proposed according to the characteristics of shallow underground engineering. However, when they are introduced into the deep tunnels, great challenges are encountered. In this study, the failure of surrounding rock mass in the field was presented and then the deformation and failure responses of surrounding rock mass were obtained during excavation by various advanced observation techniques. Based on the acquired information, this study analyzed the mechanical response characteristics of surrounding rock mass during excavation and lining at the operating period. Then we discussed the problems arising from the application of current modern monitoring methods. Six suggestions were put forward relating to the monitoring and testing design of the representative section in the deep tunnel. This study can provide helpful guidance to improve the design methods in similar projects.

Key words: deep tunnel, deformation monitoring, acoustic wave test, mechanical response, lining

中图分类号:

TU 452

张传庆，高阳，刘宁，周辉，冯夏庭, . 深埋隧洞力学响应监测与测试设计的思考[J]. , 2018, 39(7): 2626-2631.

ZHANG Chuan-qing, GAO Yang, LIU Ning, ZHOU Hui, FENG Xia-ting, . Reflection on the problems in mechanical response monitoring and testing design of deep tunnels[J]. , 2018, 39(7): 2626-2631.

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