| 隧道围岩的损伤与声电监测 |
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| 引用本文： | 陆菜平,窦林名. 隧道围岩的损伤与声电监测[J]. 煤炭学报, 2004, 29(1): 41-44 |
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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;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： | 采用EAE-04声电测试系统，利用声发射(AE)和电磁辐射(EME)信号上升沿时间和持续时间的关系，排除噪音等影响，从而确定有效信号；采用AE频度和能量率的变化规律，以及EME脉冲数的变化规律，分析隧道围岩的活动性并进行实时监测．实践表明，连续动态监测隧道围岩的活动性就能够确保隧道及其上方建筑物的安全。
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| 关 键 词： | 隧道 损伤 声发射 电磁辐射 连续动态 |
| 文章编号： | 0253-9993(2004)01-0041-04 |
| 修稿时间： | 2003-05-16 |
Damage and monitoring with acoustic emission and electromagnetic emission of rocks around the tunnel |
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| LU Cai-ping,DOU Lin-ming. Damage and monitoring with acoustic emission and electromagnetic emission of rocks around the tunnel[J]. Journal of China Coal Society, 2004, 29(1): 41-44 |
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| Authors: | LU Cai-ping DOU Lin-ming |
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| Abstract: | The building and rock activities around the tunnel can be measured by using the EAE-04 acoustic and electromagnetic system. The AE (acoustic emission) & EME (electromagnetic emission) available signal is corroborated, and the AE & EME signal noise is eliminated by the relationship with rise-time and duration of the signal. The rock activity around the tunnel is analyzed by AE count rate and energy rate, and by EME impulse. These research results can be used evaluating the stability of the tunnel and the high building over it. The practice shows that it can assure the safety of the tunnel and buildings up the tunnel to monitor the rock activities around the tunnel consecutively and dynamically. |
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| Keywords: | tunnel damage acoustic emission electromagnetic emission consecutive dynamic |
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