| 锚网喷注支护技术在深水平破碎岩层的应用 |
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| 引用本文： | 马开玉.锚网喷注支护技术在深水平破碎岩层的应用[J].煤炭技术,2009,28(3). |
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| 作者姓名： | 马开玉 |
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| 作者单位： | 鹤岗矿业集团,矿建公司,黑龙,江鹤岗,154100 |
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| 摘 要： | 深部软岩巷道具有非线性大变形特征,单一的支护方式难以控制。锚网喷注支护是具有锚网喷支护与注浆加固共同作用的一种耦合主动支护方式,可以改变围岩力学参数,提高围岩强度。结合兴安矿四水平新副井井底车场木棚子段返修的工程实践,分析了锚网喷注支护的工程特点,经工程应用表明,锚网喷注支护显著提高了围岩的强度和承载能力,有效地控制了深部软岩巷道变形问题,是一种有效控制深部软岩巷道变形的支护形式。
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| 关 键 词： | 深部 围岩破碎 锚网喷注支护 工程实践 |
Bolt-mesh-coshot-injection Support System Being Used Development in Soft Rocks on Deep Level |
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| MA Kai-yu.Bolt-mesh-coshot-injection Support System Being Used Development in Soft Rocks on Deep Level[J].Coal Technology,2009,28(3). |
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| Authors: | MA Kai-yu |
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| Affiliation: | Coal Mine Construction Company;Hegang Coal Industry Group Ltd.Co.;Hegang 154100;China |
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| Abstract: | Tunnel in soft rocks on deep level has character of great non-linearity distortion;a single support system can not control it.Bolt-mesh-coshot-injection has a function of comprehensive active support system contributed by bolt-mesh coshot and cement injection,improving rocks parameter of tunnel and increasing rocks intension of tunnel.This article describes bolt-mesh-coshot-injection support system being used in repair of materials transportation system of auxiliary shaft on 4th level,analyzes engineering c... |
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| Keywords: | deep level soft rocks bolt-mesh-coshot-injection support system engineering practice |
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