三软煤巷锚、注、索支护技术

Rock bolting, injection and cable bolting techniques for a roadway within a seam of soft roof, coal and floor

本文介绍了“三软”煤层破碎顶板巷道应用锚杆、注浆、锚索综合支护技术的成功经验，提供了在复杂地质条件下锚杆支护的技术措施。

Abstract The successful experience of applying a joint support technique of bolting, injection and cable bolting in roadways with broken roof excavated in a seam of soft roof, coal and floor is introduced in this paper. A technical approach to using rock bolts under complicated geotechnical conditions is provided.