厚煤层条件下沿空巷道不同充填体宽度围岩变形分析

Deformation Analysis of Surrounding Rock with Different Backfill Width along Goaf Roadway under Thick Coal Seam Condition

为了分析厚煤层条件下不同充填体宽度对沿空巷道围岩变形进行分析,文中结合数值模拟软件,制定了充填体分别为1.5 m、2.0 m、2.5 m、3.0 m、3.5 m五组方案,并从坚硬顶板及软弱顶板两种工况条件下分析了其顶板下沉、充填体变形、煤帮变形等参数变化。

In order to analyze the deformation of surrounding rock of roadway along goaf under the condition of thickcoal seam with different backfilling width, five groups of backfilling schemes, 1.5 m, 2.0 m, 2.5 m, 3.0 m and 3.5mrespectively, are worked out with the numerical simulation software. And the parameters such as roof subsidence,backfill deformation and coal side deformation are analyzed under the conditions of hard roof and weak roof.