| 石灰岩顶板沿空留巷支护技术 |
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| 引用本文： | 江卫.石灰岩顶板沿空留巷支护技术[J].煤炭科学技术,2009,37(2). |
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| 作者姓名： | 江卫 |
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| 作者单位： | 枣庄矿业(集团)有限责任公司,山东,枣庄,277000
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| 摘 要： | 为深入研究石灰岩顶板条件下沿空留巷技术,针对石灰岩顶板具有悬顶大和缓慢下沉的特点,建立了沿空留巷切顶力学模型,定量设计了锚索与单体支柱联合切顶支护参数.实践表明,该支护方式能够有效保证石灰岩顶板沿空留巷切顶与支护,效果十分明显.
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| 关 键 词： | 石灰岩顶板 沿空留巷 切顶 锚索 单体支柱 |
Support Technology of Gob-Side Entry Retaining under Limestone Roof |
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| JIANG Wei.Support Technology of Gob-Side Entry Retaining under Limestone Roof[J].Coal Science and Technology,2009,37(2). |
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| Authors: | JIANG Wei |
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| Affiliation: | Zaozhuang Coal Mining Group Corporation Ltd.;Zaozhuang 277000;China |
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| Abstract: | In order to research support technology of gob-side entry retaining under limestone roof,according to the characters of large flap top and slow subsidence for limestone roof,the paper established the roof cutting mechanical model of gob-side entry retaining and designed quantitatively the support parameters for untied roof cutting of anchor and single prop.The practical results showed that the support technology could ensure roof cutting and support for gob-side entry retaining under limestone roof and achi... |
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| Keywords: | limestone roof gob-side entry retaining roof cutting anchor single prop |
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