|本期目录/Table of Contents|

[1]艾祖斌,张晨曦,曾兆文,等.长大深埋隧道未开挖段岩爆灾害风险评估[J].中国安全生产科学技术,2019,15(8):168-173.[doi:10.11731/j.issn.1673-193x.2019.08.027]
　AI Zubin,ZHANG Chenxi,ZENG Zhaowen,et al.Research on risk assessment of rockburst disaster in unexcavated section of long and deeplying tunnel[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(8):168-173.[doi:10.11731/j.issn.1673-193x.2019.08.027]
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长大深埋隧道未开挖段岩爆灾害风险评估
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年8期
页码:
168-173
栏目:
职业安全卫生管理与技术
出版日期:
2019-08-31

文章信息/Info

Title:
Research on risk assessment of rockburst disaster in unexcavated section of long and deeplying tunnel
文章编号:
1673-193X(2019)-08-0168-06
作者:
艾祖斌1; 张晨曦2; 曾兆文1; 曹振生1; 孙永超1
（1.中电建路桥集团有限公司，北京 100048；
2.北京科技大学 土木与资源工程学院，北京 100083)
Author(s):
AI Zubin1; ZHANG Chenxi2; ZENG Zhaowen1; CAO Zhensheng1; SUN Yongchao1
(1.Power China Road Bridge Group Co.,Ltd.,Beijing 100048,China;
2.School of Civil and Resources Engineering,University of Science and Technology Beijing,Beijing 100083,China)
关键词:
公路隧道; 岩爆灾害; 风险评估; 可拓综合评判
Keywords:
highway tunnel;  rockburst disaster;  risk assessment;  extension comprehensive evaluation
分类号:
X947；U459.2
DOI:
10.11731/j.issn.1673-193x.2019.08.027
文献标志码:
A
摘要:
为综合评估长大深埋隧道岩爆灾害风险，基于大量岩爆研究文献及待评估隧道的工程条件建立岩爆风险评估指标体系，包括单轴抗压强度、地应力、岩体完整性系数3个指标，并将岩爆风险划分为低、中、高和极高4个等级；根据围岩等级将待评估的五老峰隧道未开挖部分划分为4个区段，根据指标体系搜集各区段指标值，并将指标区间划分值与实际指标值归一化；基于重要性排序法和可拓综合评判确定未开挖区段的岩爆风险等级。研究结果表明：该隧道区段1，3和4的岩爆风险为中度，后续施工中应予以监测；区段2的岩爆风险为高度，在后续施工中必须采取风险控制措施降低风险并加强监测。
Abstract:
To assess the risk of rockburst disaster in the long and deeplying tunnels comprehensively,based on the extensive literature of rockburst research and the engineering conditions of the tunnel to be evaluated,an index system of rockburst risk assessment was established,which included three indexes of uniaxial compressive strength,insitu stress and integrity coefficient of rock mass.The rockburst risk was divided into four grades of low risk,medium risk,high risk and extremely high risk.According to the grade of surrounding rock,the unexcavated part of Wulaofeng tunnel to be evaluated was divided into four sections,and the index values of each section were collected according to the index system,then the interval demarcation values and actual values of the indexes were normalized.The rockburst risk levels of the unexcavated sections were determined by the importance ranking method and the extension comprehensive evaluation.The results showed that the rockburst risk levels of tunnel section 1,section 3 and section 4 were the medium risk,which should be monitored during the subsequent construction.However,the rockburst risk level of section 2 was high risk,and the risk control measures must be taken to reduce the rockburst risk during the subsequent construction,with strengthening the monitoring.

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备注/Memo

备注/Memo:
收稿日期： 2019-07-19
* 基金项目： 国家重点研发计划项目(2017YFC0805303)；国家自然科学基金项目(51174020)
作者简介： 艾祖斌，硕士，高级工程师，主要研究方向为隧道及地下工程。
通信作者： 张晨曦，硕士研究生，主要研究方向为隧道灾害风险评估。
更新日期/Last Update: 2019-09-04