| 薄煤层工作面气垛支架控顶特征 |
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| 引用本文： | 余开清.薄煤层工作面气垛支架控顶特征[J].山东科技大学学报(自然科学版),1999(2). |
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| 作者姓名： | 余开清 |
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| 作者单位： | 上京矿务局 |
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| 摘 要： | 本文介绍分析了气垛支架的技术性能和气垛支架对顶板的控制特点，在底板比压、与围岩接触应力、垂直应力、刚度特性和对顶板作用等方面与单体支柱相比，薄煤层气垛支架具有显著的优点。
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| 关 键 词： | 薄煤层 气垛支架 控顶特征 |
The Roof-Control Feature of Air Cushion Supports in Thin coal Face |
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| YU Kaiqing.The Roof-Control Feature of Air Cushion Supports in Thin coal Face[J].Journal of Shandong Univ of Sci and Technol: Nat Sci,1999(2). |
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| Authors: | YU Kaiqing |
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| Institution: | Shangjing Mining Administration |
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| Abstract: | Techical peformance and roof-control feature of air cushion supports were studied in this paper. Compared with single prop,it has considerable advantages in many aspects,auch as floor specific pressure,surrounding rock stress,vertical stress,stiffness characteristics and action on roof,etc. |
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| Keywords: | thin coal air cushion support roof-control feature |
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