王丹硬煤矿动力顶板支架FAZOS-15/31-POz的选择

K. Skrzypkowski, W. Korzeniowski, Trung Nguyen Duc
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引用次数: 8

摘要

本文介绍了针对越南某硬煤矿山的情况,选用法穆尔集团的波兰动力顶板支架。在分析计算中,采用了Vang Danh矿区岩体的强度和结构参数。长壁工作面长93米,煤层厚度等于3米。为了选择支护的需要,确定了长壁工作面的载荷和动力顶板支护的能力。在顶板允许挠度法的基础上,对采空养护的条件进行了表征。在计算中,假设使用FAZOS-15/31 POz型动力顶板支架的条件,除了符合工作范围和长壁工作面倾斜度的允许值外,是为了确保适当的顶板维护条件,这是由顶板的承载能力指数“g”决定的。
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Choice of powered roof support FAZOS-15/31-POz for Vang Danh hard coal mine
The article presents the choice of a Polish powered roof support from FAMUR Group forthe conditions of one of the hard coal mines in Vietnam. In the analytical calculations, the strengthand structural parameters of the rock mass from the Vang Danh mine region were adopted. Thelongwall face is 93 m long and the thickness of the coal layer is equal 3 m. For the needs of thechoice of support, the load of the longwall face determined and the capacity of the powered roofsupport were determined. On the basis of the permissible roof deflection method, the condition ofexcavation maintenance was characterized. In the calculations, it was assumed that the condition ofusing a powered roof support type FAZOS-15/31-POz, except in addition to complying of theworking range and permissible value of longwall face inclination, is to ensure proper roofmaintenance conditions, which are determined by the index of load capacity of the roof „g”.
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CiteScore
0.70
自引率
0.00%
发文量
44
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