动压条件下巷道底鼓机理分析及对策

Coal Mining Technology(2011)

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Abstract
以下沟矿为例,具体分析巷道在高强度支护条件下,受动压影响底鼓的机理。根据底板围岩性质、应力状态及鼓出方式,可将底鼓分为4类:挤压流动型、挠曲褶皱型、剪切错动型及遇水膨胀型。通过对底鼓原因进行分析,下沟矿底鼓主要为:前2类联合底鼓。根据巷道变形监测和实际情况提出了解决对策。
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