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本文叙述了采用高水速凝材料加固极软煤层回采巷道帮角的试验过程，提出注浆是提高煤巷帮锚杆锚固力、控制围岩变形的一条有效途径。
This paper describes the experimental process of using high water fast setting materials to reinforce the soft coal seam roadway supporting angle, proposed that grouting is an effective way to improve the anchorage force of the bollards and help to control the deformation of surrounding rock.