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首页> 外文会议>The 2008 International Symposium on Safety Science and Technology(2008年安全科学技术国际会议)论文集 >Experimental Study on Propagation Regulation of Gas Explosive Shock Wave at Turning Point of Tunnel
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Experimental Study on Propagation Regulation of Gas Explosive Shock Wave at Turning Point of Tunnel

机译：巷道转弯处瓦斯爆炸冲击波传播规律的试验研究

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In order to study the propagation regulation of the air shock-wave in the tunnel turning point after the gas exploded, it processed the experiment on the different turning point and analysis. The system used the gas quantity whose length changed participates in the response to change the initial overpressure of the shock-wave, obtained the overpressure change curve of the explosive shock wave in the different tunnel turning.point angles. The result show that, along with the initial overpressure's increase, the overpressure attenuation coefficient of shock wave increases gradually; along with the aggrandizement of the turning point angle, the overpressure attenuation coefficient of shock wave has also slightly increases. The experimental result has enriched the propagation regulation of gas explosion shock-wave in complex tunnel, and has the positive significance to prevent and control the shock-wave destruction and injury function.
机译：为了研究瓦斯爆炸后空气冲击波在隧道拐点处的传播规律，对不同拐点处的实验进行了分析。该系统利用长度变化的气体量参与响应，改变冲击波的初始超压，得到了不同隧道转弯角下爆炸性冲击波的超压变化曲线。结果表明，随着初始超压的增大，冲击波的超压衰减系数逐渐增大;随着转折角的增大，冲击波的超压衰减系数也略有增加。实验结果丰富了瓦斯爆炸冲击波在复杂隧道中的传播规律，对预防和控制冲击波的破坏和伤害功能具有积极意义。

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