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[1]刘晓云,叶义成,刘洋,等.矿岩接触带巷道顶板沉降变形相似模拟试验研究[J].中国安全生产科学技术,2019,15(3):62-68.[doi:10.11731/j.issn.1673-193x.2019.03.010]
　LIU Xiaoyun,YE Yicheng,LIU Yang,et al.Study on similar simulation tests for settlement deformation of roadway roof in contact zone of ore and rock[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(3):62-68.[doi:10.11731/j.issn.1673-193x.2019.03.010]
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矿岩接触带巷道顶板沉降变形相似模拟试验研究
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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3期
页码:
62-68
栏目:
职业安全卫生管理与技术
出版日期:
2019-03-31

文章信息/Info

Title:
Study on similar simulation tests for settlement deformation of roadway roof in contact zone of ore and rock
文章编号:
1673-193X(2019)-03-0062-07
作者:
刘晓云1; 叶义成1; 2; 刘洋1; 李玉飞1; 王为琪1; 陈虎1
（1.武汉科技大学 资源与环境工程学院，湖北 武汉 430081；2.湖北省工业安全工程技术研究中心，湖北 武汉 430081）
Author(s):
LIU Xiaoyun1; YE Yicheng1; 2; LIU Yang1; LI Yufei1; WANG Weiqi1; CHEN Hu1
(1. College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan Hubei 430081, China;2. Hubei Engineering Research Center for Industrial Safety, Wuhan Hubei 430081, China)
关键词:
接触带巷道; 巷道顶板; 沉降变形; 相似模拟; 现场监测
Keywords:
roadway in contact zone;  roadway roof;  settlement deformation;  similar simulation;  field monitoring
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2019.03.010
文献标志码:
A
摘要:
为分析矿岩接触带巷道顶板沉降变形对巷道稳定性的影响，以大冶铁矿尖林山矿区接触带巷道为研究对象，基于相似原理，构建了矿岩接触带巷道物理相似模拟试验模型，设计了沿巷道走向与矿岩接触面对称布置的应变位移计监测方案，分析了接触带巷道顶板沉降变形规律。研究结果表明：接触带巷道顶板两侧岩体沉降变形量和变形速率存在差异，接触带巷道大理岩侧顶板沉降量和沉降速率大于铁矿侧；邻近巷道开挖扰动对已开挖巷道顶板变形破坏有较大影响，增大了接触带巷道两侧岩体的沉降变形程度。结合大冶铁矿矿岩接触带巷道顶板沉降量监测数据，从顶板沉降量、沉降速率2个方面对比分析了相似模拟试验和现场监测试验结果，表明矿岩接触带巷道顶板沉降变形规律具有一致性。
Abstract:
In order to analyze the influence of the settlement deformation of roadway roof in the contact zone of ore and rock on the roadway stability, taking the roadway in the contact zone of Jianlinshan mining area in Daye iron mine as the research object, a model of physical similar simulation test for the roadway in the contact zone of ore and rock was constructed based on the similarity principle. The monitoring scheme of strain displacement along the roadway with a symmetrical layout to the contact surface of ore and rock was designed, and the settlement deformation laws of roadway roof in the contact zone were analyzed. The results showed that the amount of settlement deformation and deformation rate of rock mass on both sides of roadway roof in the contact zone were different, and the amount of settlement and settlement rate on the marble side were larger than those on the iron ore side. The disturbance of adjacent roadway excavation had a great influence on the roof deformation and failure of excavated roadway, which increased the settlement deformation degree of rock mass on both sides of roadway in the contact zone. Combined with the monitoring data on the amount of roof settlement of the roadway in the contact zone of ore and rock in Daye iron mine, the results of similar simulation tests and field monitoring tests were compared and analyzed from two aspects including the amount of roof settlement and settlement rate, which showed that the settlement deformation laws of roadway roof in the contact zone of ore and rock had the consistency.

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备注/Memo

备注/Memo:

收稿日期： 2018-10-21；数字出版日期： 2019-02-26
基金项目： 国家自然科学基金项目（51574183）;国家安全监管总局安全生产重特大事故防治关键技术科技项目（149hubei-0002-2017AQ）;湖北省教育厅科学技术研究项目（Q20151102）;冶金矿产资源高效利用与造块湖北省重点实验室开放基金项目（20160710）
作者简介： 刘晓云，博士，讲师，主要研究方向为矿业安全系统工程。
通信作者： 叶义成，硕士，教授，主要研究方
更新日期/Last Update: 2019-04-15