Tiandi (Changzhou) Automation Co., Ltd.
CCTEG Changzhou Research Institute

在矿压作用下,花草滩煤矿+1300m水平西翼轨道大巷发生严重变形,矿压显著,对巷道使用产生影响。为确保该巷道支护方案的经济合理性,必须对其支护方式进行优化设计。以花草滩煤矿+1300m水平西翼轨道大巷为工程背景,运用FLAC3D数值模拟,模拟在不同锚杆排距、锚杆间距、锚索排距、锚索间距和锚杆直径条件下的围岩位移,并分析选择确定了最具经济和安全效益的支护方案。在工业实践中运用确定的支护方案进行开拓,并对开拓后的+1300m水平西翼轨道大巷变形数据进行监测分析。结果表明,优化支护后巷道围岩变形量显著降低,实现了围岩控制的预期要求。

Under the action of mining pressure, the + 1 300 meters horizontal west wing track roadway ofHuacaotan Coal Mine underwent severe deformation, with significant mining pressure, which had an impact on theuse of the roadway. To ensure the economic rationality of the tunnel support scheme, it is necessary to optimize thedesign of its support method. Taking the Huacaotan coal mine + 1 300 meters horizontal west wing track roadway asthe engineering background, FLAC3D numerical simulation was used to simulate the surrounding rock displacementunder different anchor rod spacing, anchor rod spacing, anchor cable spacing, and anchor rod diameter conditions.The most economical and safe support scheme was analyzed and selected. The determined support scheme wasapplied in industrial practice for development, the deformation data of the + 1 300 meters horizontal west wing trackroadway after development was monitored and analyzed. The results showed that the deformation of the surroundingrock in the roadway was significantly reduced after optimizing the support, achieving the expected requirements forsurrounding rock control.

徐娟.基于FLAC3D数值模拟的巷道优化支护分析与应用[J].煤矿机电,2024,45(3):16-22.