| 三软煤层大采高综采围岩控制技术 |
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| 引用本文： | 吴士良. 三软煤层大采高综采围岩控制技术[J]. 河南理工大学学报(自然科学版), 1999, 18(3): 3 |
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| 作者姓名： | 吴士良 |
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| 作者单位： | 山东矿业学院,泰安,271019 |
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| 摘 要： | 根据三软煤层围岩力学性质,研究了直接顶与老顶的构成和直接顶、老顶初次来压与周期来压步距以及顶板压力的变化规律,提出了加大初撑力及时护顶等控制顶板运动显现的措施以及防止煤壁片帮和支架插底的技术措施并付之实践,取得了三软煤层大采高控制围岩的预期效果.
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| 关 键 词： | 三软煤层 采场 围岩控制 |
| 修稿时间： | 1998-12-06 |
Soft Surrounding Rock Mass Control Technology on High Cut in Fully_mechanization Face |
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| Wu Shiliang. Soft Surrounding Rock Mass Control Technology on High Cut in Fully_mechanization Face[J]. JOURNAL OF HENAN POLYTECHNIC UNIVERSITY, 1999, 18(3): 3 |
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| Authors: | Wu Shiliang |
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| Abstract: | On the basis ofunderstanding of mechanic properties of soft surrounding rock, the component parts of thesoft immediate roof and main roof are studied, their breaking spans and pressure are alsostudied. The measures to control the manifestation of roof movement including theincreasing supports, initial supporting face and protecting the soft immediate roof intime are also discussed. The other methods against high cut seam landlip and the supportbottoms aserting into soft floor are also put forward. All these measures made a goodeffect in controlling the soft rock mass in fully_mechanization face. |
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| Keywords: | soft seam with soft surrounding rock working site controlling of surrounding rock |
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