| 综采放顶煤沿空窄煤柱巷道锚杆支护 |
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| 引用本文： | 戎振东. 综采放顶煤沿空窄煤柱巷道锚杆支护[J]. 机械管理开发, 2004, 0(5): 12-13 |
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| 作者姓名： | 戎振东 |
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| 作者单位： | 潞安矿业集团公司王庄煤矿,山西,长治,046031 |
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| 摘 要： | 随着采煤机械化程度的不断提高，我国的煤炭资源日益枯竭，另一方面，采煤技术的日趋成熟、支护材料强度的不断提高，也为采用小煤柱开采提供了可能。从保证窄煤柱承载能力、顶锚杆支护形式、小孔径锚索加固、顶板预注浆等方面论述了采用窄煤柱支护的可靠性。
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| 关 键 词： | 窄煤柱 极限平衡理论 塑性区宽度 |
| 文章编号： | 1003-773X(2004)05-0012-02 |
| 修稿时间： | 2004-05-26 |
Pin Timbering along Narrow Coal Column Tunnel in Roof Blasting Mining |
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| Rong Zhendong. Pin Timbering along Narrow Coal Column Tunnel in Roof Blasting Mining[J]. Mechanical Management and Development, 2004, 0(5): 12-13 |
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| Authors: | Rong Zhendong |
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| Affiliation: | Rong Zhendong |
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| Abstract: | Along with the prograss of mining mechanization, mining technology, higher strength support materials developed, the small coal column mining has been the possibility. This paper discusses the reliability of narrow coal column support from load-bearing capacity, pin timbering manner, small hole anchorage cable strengthening and top paste injection etc. |
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| Keywords: | Narrow coal column Limit balance theory Plasticity area width |
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