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Application of Bolt-Grouting Support Method in Controlling High Ground Stress Crushed Surrounding Rock Roadway
Author(s): 
Pages: 32-34
Year: Issue:  4
Journal: SAFETY IN COAL MINES

Keyword:  高应力锚注支护注浆加固巷道稳定性;
Abstract: 通过分析高应力状况下的巷道破坏机理,比较不同的巷道支护形式,得出锚注支护适用于高应力破碎巷道支护.注浆加固实验表明,注浆岩体强度比未注浆有了很大程度的提高.锚注支护通过改善围岩内部结构,发挥其自身承载能力,提高了巷道的稳定性.
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