The results show that floor relief stress of 762 working face exhibits a nearly linear decrease, and forms relief zone in the headgate of 962 working face.
结果表明:762工作面开采对底板卸压应力基本是以线性降低,在 962工作面下平巷形成卸压;
The results show that floor relief stress of 762 working face exhibits a nearly linear decrease, and forms relief zone in the headgate of 962 working face.
结果表明:762工作面开采对底板卸压应力基本是以线性降低,在 962工作面下平巷形成卸压;
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