| 区段平巷维护费用的计算方法分析 |
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| 引用本文： | 李龙清.区段平巷维护费用的计算方法分析[J].西安科技大学学报,1994(2). |
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| 作者姓名： | 李龙清 |
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| 摘 要： | 根据采煤工作面的回采顺序，分析区段平巷各段在回采期间的形成过程和消失过程以及采场矿山压力显现规律，给出了采煤工作面后退式和前进式开采时区段平巷维护费用的准确计算方法。
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| 关 键 词： | 区段平巷维护费，定长维护，变长维护 |
ANALYSIS OF UPKEEP CALCULATION OF SUB-LEVEL DRIFT |
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| Li Longqing.ANALYSIS OF UPKEEP CALCULATION OF SUB-LEVEL DRIFT[J].JOurnal of XI’an University of Science and Technology,1994(2). |
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| Authors: | Li Longqing |
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| Institution: | Li Longqing |
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| Abstract: | According to the actual mining order of working face, the forming process and dissolving process of each section of sub-level drifts during mining as well as the underground pressure behaviour regularity have been analysed, and the method for accurately calculating the upkeep of sub-level drifts during retreat and advance actual mining of working face is given in the paper. |
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| Keywords: | sub-level drift upkeep fixed length maintenance varying length maintenance |
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