| 电磁辐射检验卸压爆破效果技术 |
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| 引用本文： | 陆菜平,窦林名.电磁辐射检验卸压爆破效果技术[J].煤炭科学技术,2004,32(1):15-18. |
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| 作者姓名： | 陆菜平 窦林名 |
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| 作者单位： | 中国矿业大学,能源科学与工程学院,江苏,徐州,221008 |
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| 基金项目： | 国家自然科学基金资助项目(50074030) |
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| 摘 要： | 由于煤岩体中积聚大量弹性能诱发冲击矿压，可以采用卸压爆破技术来逐步释放弹性能，使得冲击矿压发生的敏感指标降至临界值以下，从而避免冲击矿压的发生。通过对冲击矿压发生的敏感指标值理论分析和实践都证明，电磁辐射幅值(强度)能够反映煤岩体的应力状态和积聚的弹性能，是一个能够反映冲击矿压发生概率的敏感指标。
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| 关 键 词： | 电磁辐射（EME） 卸压爆破 弹性能 敏感指标 |
| 文章编号： | 0253-2336(2004)01-0015-04 |
| 修稿时间： | 2003年9月9日 |
Electric magnetic emission technology to measure pressure release blasting results |
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| LU Cai-ping,DOU Lin-ming.Electric magnetic emission technology to measure pressure release blasting results[J].Coal Science and Technology,2004,32(1):15-18. |
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| Authors: | LU Cai-ping DOU Lin-ming |
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| Abstract: | When a great elastic energy accumulated in coal and rock mass, the pressure release blasting technology can be applied to steadily release the elastic energy in order to eliminate an occurrence of pressure bump caused by different factors. The technology can reduce the sensitive index to occur pressure bump to below the critical value to avoid an occurrence of the pressure bump. But how to measur the sensitive index value of pressure bump after the pressure release blasting is a key technical issue. The theoretical analysis and practices showed that the electric magnetic emission value (strength) could reflect the stress status and accumulated elastic energy of the coal and rock mass and could be a sensitive index to reflect the occurrence rate of the pressure bump. Therefore, the electric magnetic emission is a rational and efficient technical meanings to measure the pressure release blasting results. |
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| Keywords: | electric magnetic emission (EME) pressure release blasting elastic energy sensitive index |
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