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| 薄煤层托夹矸掘进支护技术的实践 | |
| 引用本文： | 张冲. 薄煤层托夹矸掘进支护技术的实践[J]. 山东煤炭科技, 2019, 0(10): 23-24,27 |
| 作者姓名： | 张冲 |
| 作者单位： | 1.山西焦煤集团西山煤电官地矿 |
| 摘 要： | 官地矿薄煤层巷道托夹矸掘进时顶板泥岩的自稳能力较差,增加了巷道掘进支护难度。针对支护问题,合理确定巷道断面形状及尺寸,优化掘进施工工艺,优化锚网索耦合支护设计,施工效率提高了20%,材料及矸石洗选费节约30%以上。 |
| 关 键 词： | 半煤岩 掘进 支护 |
Practice of Supporting Technology for Thin Coal Seam Driving with Dirt Band |
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| Zhang Chong. Practice of Supporting Technology for Thin Coal Seam Driving with Dirt Band[J]. Shandong Coal Science and Technology, 2019, 0(10): 23-24,27 | |
| Authors: | Zhang Chong |
| Affiliation: | (Guandi Coal Mine, Xishan Coal & Electricity Group, Shanxi Coking Coal Group, Shanxi Taiyuan 030000) |
| Abstract: | Zhang Chong(Guandi Coal Mine, Xishan Coal & Electricity Group, Shanxi Coking Coal Group, Shanxi Taiyuan 030000) |
| Keywords: | hemi-coal rock driving support |
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