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基于扰动响应判据的洞室岩爆分析

Disturbance response criterion based rockburst analysis

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【作者】 康政虹高正夏丁向东王映霞

【Author】 KANG Zhenghong, GAO Zhengxia, DING Xiangdong, WANG Yingxia(College of Civil Engineering, Hohai Univ., Nanjing 210098, China)

【机构】 河海大学土木工程学院河海大学土木工程学院 江苏南京 210098江苏南京 210098江苏南京 210098

【摘要】 详细描述岩爆形成过程,总结其特点并对岩爆的影响因素作了系统分析,认为:岩石在具备大量弹性应变能又处在峰值强度以后,处于非稳定的平衡状态,此时再对其施加干扰性因素,则会失稳.在此基础上进一步将稳定性理论应用于岩爆判据分析.工程实例计算表明,该方法能较好地解释许多岩爆现象.

【Abstract】 A systematic analysis was made of the formation and properties of rockbursts and some affecting factors. It is concluded that with enough elastic deformation energy and beyond the peak strength, rocks are in an unstable equilibrium state. Under such a condition, any minor disturbance will result in the instability of rocks. Besides, the theory of stability was further applied to the analysis of the criterion of rockburst. Practices show that the present method can explain some phenomena in rockbursts and provides a new approach to the study of some complex problems concerning rockbursts.

【关键词】 岩爆干扰性因素岩爆判据
【Key words】 rockburstdisturbing factorcriterion of rockburst
  • 【文献出处】 河海大学学报(自然科学版) ,Journal of Hehai University (Natural Sciences ) , 编辑部邮箱 ,2003年02期
  • 【分类号】TU457
  • 【被引频次】41
  • 【下载频次】335
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