Based on the stability analysis of key-block with large structure, the feasibility of gob-side entry retaining has been demonstrated.
通过对大结构关键块稳定性分析,论证了综放沿空留巷的可行性。
The application of the geology mining condition and the gob-side entry support technology in haulage roadway No. 451 face are introduced.
介绍了45 1工作面运输平巷的地质采矿条件及沿空留巷支护技术在该巷的应用情况。
The research result provides a theoretical basis and some useful experience for the gob-side entry retaining work of large mining-height working faces.
研究成果为较大采高工作面沿空留巷技术提供了理论依据和借鉴经验。
The gob-side entry driving in the fully-mechanized coal winning face can be protected successfully by using the anchored cable and rod supporting system.
采用锚杆、锚索支护系统成功地维护了综放沿空掘巷,保证了综放面顺利回采。
Industrial field tests have shown that the status quo of large deformation and severe damage of the roadway in the gob-side entry driving has been improved.
现场工业性试验表明,沿空掘巷巷道变形大、破坏严重的现状得以改善。
With theory analysis, experiment research and spot test, this paper takes the lead in establishing technology system of gob-side entry retaining with large section or small one.
通过理论分析、实验研究和现场试验,本文率先在国内初步建立了由大断面、小断面沿空留巷组成的综放沿空留巷技术体系。
Based on the successful application of gob-side entry retaining at longwall top coal caving face, a new way for realizing intensive and high efficiency is put forward in thick seams.
综放沿空留巷技术研究成果的成功应用为综放工作面实现集约化高效生产开拓了新路。
The project application cases showed that the gob-side entry retaining with bolt support could effectively cut the side roof of the gob-sides and reduce the loading of the support devices.
工程应用表明,锚杆支护巷道沿空留巷,有效切落了采空区侧顶板,减小了巷旁支护体载荷;
The project application cases showed that the gob-side entry retaining with bolt support could effectively cut the side roof of the gob-sides and reduce the loading of the support devices.
工程应用表明,锚杆支护巷道沿空留巷,有效切落了采空区侧顶板,减小了巷旁支护体载荷;
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