| 基于统计损伤的岩爆预测 |
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| 引用本文： | 梁志勇,石豫川,李天斌. 基于统计损伤的岩爆预测[J]. 力学学报, 2005, 13(1): 85-88 |
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| 作者姓名： | 梁志勇 石豫川 李天斌 |
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| 作者单位： | 1. 辽宁省交通勘测设计院,沈阳110000;2. 成都理工大学环境与土木工程学院,成都610059 |
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| 基金项目： | 四川省杰出青年学科带头人培养计划资助项目(03ZQ026-045) |
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| 摘 要： | 基于岩石单轴抗压强度的分布特征,对脆性岩石采用统计损伤的平行杆模型模拟,经岩石全过程曲线拟合,表明了 模型的合理性。进而提出采用平行杆模型模拟地下深埋洞室脆性围岩,推出了不同应力条件下岩体损伤的表达式,从统计损 伤的概念上,利用损伤变量来表征岩爆发生概率。工程实例分析表明该预测方法是有效的。
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| 关 键 词： | 平行杆模型 统计损伤 岩爆概率预测 |
| 收稿时间： | 2004-07-27 |
| 修稿时间： | 2004-10-24 |
PROBABILITY PREDICTION OF ROCKBURSTS BASED ON STATISTICAL DAMAGE MECHANICS |
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| LIANG Zhiyong,SHI Yuchuan,LI Tianbin. PROBABILITY PREDICTION OF ROCKBURSTS BASED ON STATISTICAL DAMAGE MECHANICS[J]. chinese journal of theoretical and applied mechanics, 2005, 13(1): 85-88 |
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| Authors: | LIANG Zhiyong SHI Yuchuan LI Tianbin |
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| Affiliation: | 1. Liaoning Provincial Communications Survey &|Design Institute,Shenyang 110000;2. Institute of Environment and Civil Engineering,Chengdu University of Technology,Chengdu 610059 |
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| Abstract: | Based on the probability distribution of the uniaxial compressive strength of the rock, the authors present a parallel-pole model of statistical damage to simulate the brittle rock. The calculated stress-strain relationship based on the statistic damage matches well with test results. The parallel-pole model was then used to simulate the surrounding rockmass of a tunnel. The damage variables were derived for different stress conditions. From the concept of statistic damage, the damage variables represent probability of rockbursting. |
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| Keywords: | Parallel-pole model Statistical damage Probability prediction |
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