| 复杂环境下围岩变形大型三维模拟实验 |
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| 引用本文： | 来兴平,伍永平,曹建涛,樊永宁,张燕丽,崔峰.复杂环境下围岩变形大型三维模拟实验[J].煤炭学报,2010,35(1):31-36. |
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| 作者姓名： | 来兴平 伍永平 曹建涛 樊永宁 张燕丽 崔峰 |
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| 作者单位： | 西安科技大学能源学院;教育部西部矿井开采及灾害防治重点实验室;神华宁夏煤业集团有限公司; |
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| 基金项目： | 国家自然科学基金资助项目(10772144,10402033);;教育部新世纪优秀人才支持计划资助项目(NCET-04-972) |
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| 摘 要： | 以宁夏宁东矿区复杂环境(历史性强震区内破碎围岩与富含水)下围岩局部化变形演化规律为目标，综合分析地球物理特征、加载框架及其力学性能、围岩变形指标与定量识别方法、围岩结构与缺陷以及相似模拟材料复合特性等，构建了三维物理模拟装置与“声-光-电”多元指标实时测试系统，完成了恒定与可变围压下的“动-静”耦合加载实验，对围岩局部化损伤的声发射特征规律与开采扰动下实验模型中扰动区内岩体径向和切向应力分布进行辨识。结果表明：复杂岩体破裂与变形经历“振荡-沉寂”后，极有可能会出现持久性破坏，进一步揭示了复合煤岩体变形具有局部化失稳特征。
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| 关 键 词： | 围岩变形 三维物理模拟 局部化变形 “声-光-电”多元指标 变加载模式 |
Experiment on rock mass deformation of large scale 3D simulation in complex environment |
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| LAI Xing-ping,WU Yong-ping,CAO Jian-tao,FAN Yong-ning,ZHANG Yan-li,CUI Feng.Experiment on rock mass deformation of large scale 3D simulation in complex environment[J].Journal of China Coal Society,2010,35(1):31-36. |
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| Authors: | LAI Xing-ping WU Yong-ping CAO Jian-tao FAN Yong-ning ZHANG Yan-li CUI Feng |
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| Affiliation: | 1.School of Energy Engineering/a>;Xi'an University of Science and Technology/a>;Xi'an 710054/a>;China/a>;2.Key Laboratory of Western Mines and Hazard Prevention/a>;Ministry of Education/a>;3.Shenhua Ningxia Coal Group Ltd./a>;Yinchuan 750002/a>;China |
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| Abstract: | Aimed at quantitatively prediction the process of rock-mass localized deformation regularity and their relating indicators of Nindong coal region in broken rock-mass induced historical seismicity and rich water environment,and comprehensive analyzed geophysical characteristics,loading framework and its mechanical performance,invalid indicators of rock-mass deformation and their quantitative discrimination methods,structure and flaw and characterization of simulative material,etc.,the largest scale 3D physic... |
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| Keywords: | rock-mass deformation 3D-physical-simulation localization deformation acoustics-optics-electricity multi-indicators variable loading model |
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