| 谢李深井软岩主要开拓巷道改进联合支护的工业性试验研究 |
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| 引用本文： | 许帮贵,孟祥瑞.谢李深井软岩主要开拓巷道改进联合支护的工业性试验研究[J].安徽理工大学学报(自然科学版),1993(4). |
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| 作者姓名： | 许帮贵 孟祥瑞 |
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| 作者单位： | 淮北矿务局朱庄矿
(许帮贵)，淮南矿业学院采矿系(孟祥瑞) |
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| 摘 要： | 本文论述了谢李深部大井巷道支护困难的原因在于现有支护结构设计不合理,不能适应深部大井岩性软弱、地应力及围岩变形量大的特点。为此,在-660mB_(10)层煤底板岩石集中回风巷进行了一种改进的二次联合支护工业性试验,即一次支护为锚喷,二次支护为架U型可缩棚+壁后充填。根据现场实测资料分析,将原有的与改进的联合支护在技术与经济上进行比较,论证改进的二次联合支护在深部大井中使用的可行性。
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| 关 键 词： | 深井掘进 软弱岩石 井巷工程 巷道支护 |
An industrial experimental investigation on improved combined supports in main deep development opening of soft rocks in Xie-Li Mine |
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| Xu Banggui Meng Xiangrui.An industrial experimental investigation on improved combined supports in main deep development opening of soft rocks in Xie-Li Mine[J].Journal of Anhui University of Science and Technology:Natural Science,1993(4). |
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| Authors: | Xu Banggui Meng Xiangrui |
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| Institution: | Xu Banggui Meng Xiangrui
(Zhuzhuang Mine Huaibei Bureau) (Dept. of Mining Engineering) |
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| Abstract: | The paper discusses that the difficulty in supporting the main deep development opening of Xie-Li Mine results from the unreasonable design of the present supporting structure which does not fit the feature of softness of rocks and large changes of stress and form in deep mains, according to the analysis of the data obtained from the industrial experimental investigation of improved
double combined supports-the first support is rock-bolting and shotcreting. the second is U-
shaped yieldable support plus filling between the support and the wall, which was carried out in the centralized upcast roadway in the rock of Seam B10 bottom (-660m), the paper also compares the improved double combined support with the original one in technology and economy, and proves the practicability of the former. |
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| Keywords: | deep shaft sinking soft rocks underground excavation engineering roadway supports |
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