针对榆家梁煤矿42216-1掘进面上覆基岩薄且松散的特点，采用数值模拟及理论计算并结合工程实际，得出锚杆最佳间排距及长度。现场检测巷道无明显下沉，取得了良好的支护效果。%According to the characteristics of 42216-1 heading face in Yujialiang coal mine, by using the numerical simulation, theoretical calculation method and engineering practice, the reasonable anchor supporting parameters are obtained. On-site monitoring shows that the supporting effect is good and has no signifieant roadway sinking.
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