| 立井井筒与马头门连接处施工 |
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| 引用本文： | 张千东.立井井筒与马头门连接处施工[J].煤炭技术,2008,27(8). |
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| 作者姓名： | 张千东 |
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| 作者单位： | 中煤三建,二十九处,安徽,宿州,234000 |
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| 摘 要： | 淮北矿业(集团)有限责任公司孙疃煤矿回风井井筒与-456 m水平马头门连接处岩层为泥岩和煤,2层煤位于马头门拱部和其顶板上1m位置,普通锚网喷达不到安全要求,故增加锚索和槽钢骨架支护。为了保证井筒和马头门的整体性,必须同时浇筑混凝土。
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| 关 键 词： | 井筒 马头门 连接处 锚网索喷 |
Construction of Vertical Shaft Conjunction with Horsehead Door |
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| ZHANG Qian-dong.Construction of Vertical Shaft Conjunction with Horsehead Door[J].Coal Technology,2008,27(8). |
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| Authors: | ZHANG Qian-dong |
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| Abstract: | The connected rocks between-456 m level horsehead door and outlet shaft in Suntun Coal Mine,Huaibei Mining Group Co Ltd are mud rock and coal.The second coal layer is at 1 m over the horsehead door arch and roof,the usual bolting and concreting with wire mesh can not meet the needs of safe requirements,so,use cable and channel steel frame support.In order to ensure the integrity of shaft and horsehead must pour at the same time. |
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| Keywords: | shaft horsehead door conjunction bolting and shotcreting |
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