本文探讨了影响煤柱稳定性的因素，提出了采用锚杆支护加固煤柱减小煤柱尺寸提高房柱式采煤回采率的技术途径。

The factors affecting coal pillar stability are discussed, and the technical way reducing coal pillar size and enhancing recovery ratio is put forward by means of rock bolting.

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本文研究对减小煤柱尺寸，提高房柱式采煤回采率具有明显的理论指导意义，对解决我国生产矿区面临的不规则区段煤层开采问题具有实际意义。

These studies have evident theoretical significance to decrease coal pillar size and enhance recovery ratio, and practical importance to solve the problems of irregular seam mining in our country.

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