据此提出了该类顶板条件下顶板控制设计的新思路:设计中应首先考虑把顶板的再断裂控制于切顶线之外,然后结合顶板的运动趋势及其对工作面支架的影响合理选择支护阻力以及其它辅助控顶措施。
Thispaper puts forward a new idea of the roof control design under such roof conditions. Firstof all, it is necessary to keep the re-break of the roof outside the breaking edge of the face.
据此提出了该类顶板条件下顶板控制设计的新思路:设计中应首先考虑把顶板的再断裂控制于切顶线之外,然后结合顶板的运动趋势及其对工作面支架的影响合理选择支护阻力以及其它辅助控顶措施。
Thispaper puts forward a new idea of the roof control design under such roof conditions. Firstof all, it is necessary to keep the re-break of the roof outside the breaking edge of the face.
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