| 膨胀岩水理性及膨胀势能释放规律试验研究 |
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| 引用本文： | 严荣富,仝庆亮,崔学伟,那米日. 膨胀岩水理性及膨胀势能释放规律试验研究[J]. 有色金属(矿山部分), 2014, 66(4): 63-66 |
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| 作者姓名： | 严荣富 仝庆亮 崔学伟 那米日 |
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| 作者单位： | 北京科技大学土木与环境工程学院; |
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| 摘 要： | 以夜长坪钼矿膨胀性矿体巷道的破坏为工程背景,基于水理性试验方法,了解到其膨胀是先快速增加后逐渐稳定的过程,并对膨胀岩经多次吸失水过程后其膨胀势能的变化情况进行研究。试验结果表明,随着吸失水试验次数的增加,膨胀岩的膨胀性会逐渐减小至稳定状态。试验所揭示出的膨胀势能释放规律,为膨胀岩工程支护提供理论依据。
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| 关 键 词： | 膨胀岩 膨胀势能 释放规律 |
| 收稿时间： | 2013-10-30 |
| 修稿时间： | 2013-11-12 |
Experimental study on water-physical properties of swelling rock and the release rules of swelling potential energy |
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| Yan Rongfu,Tong Qingliang,Cui Xuewei and Na Miri. Experimental study on water-physical properties of swelling rock and the release rules of swelling potential energy[J]. , 2014, 66(4): 63-66 |
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| Authors: | Yan Rongfu Tong Qingliang Cui Xuewei Na Miri |
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| Affiliation: | college of earth science, East china institute of technology,School of Civil and Environmental Engineering University of Science and Technology Beijing,School of Civil and Environmental Engineering University of Science and Technology Beijing, |
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| Abstract: | The application of bumping beam method in the construction of roof fall area during the recovery process of the old footrill is introduced. The method is proved to be effective in passing similar area and has achieved remarkable economic benefit. It can provide useful reference for other similar projects. |
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| Keywords: | footrill roof fall bumping beam method advance support |
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