Applying a Technical-Economic Approach to Calculate a Suitable Panel Width for Longwall Mining Method

IF 1.1 Q3 MINING & MINERAL PROCESSING
S. Aghababaei, H. Jalalifar, A. Hosseini
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引用次数: 2

Abstract

Providing an approach to calculate a suitable panel width for the longwall mining method is considered considering both the technical and economic factors. Based on the investigations carried out, a technical-economic model is proposed to calculate a suitable panel width. The proposed model is a combination of the rock engineering system-based model and the technical relationships to estimate the expected actual face advance rate of the longwall panel and also the economic relationships to determine the operational costs. Applying the technical conditions to the presented model is conducted by the vulnerability index of the advancing operation, which considers the face advance rate as the main important factor that controls the operational costs of the longwall face. The performance evaluation of the presented model is possible by the recordable field data, which is one of its advantages. This process is carried out by a case study, and the results obtained indicate that the developed approach can provide an applicable tool to calculate a suitable panel width.
应用技术经济方法计算长壁采矿法适宜盘面宽度
从技术和经济两方面考虑,为长壁采矿法提供一种合适的底板宽度计算方法。在此基础上,提出了一个技术经济模型来计算合适的面板宽度。该模型结合了基于岩石工程系统的模型和预测长壁板实际掘进速度的技术关系,以及确定作业成本的经济关系。将该模型的技术条件应用于超前作业脆弱性指标,将工作面超前速度作为控制长壁工作面作业成本的主要重要因素。该模型的优点之一是可以利用可记录的现场数据对模型进行性能评价。通过实例分析,结果表明该方法可以为计算合适的面板宽度提供一种实用的工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Mining and Environment
Journal of Mining and Environment MINING & MINERAL PROCESSING-
CiteScore
1.90
自引率
25.00%
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