大采高支架工作阻力可用岩石自重法确定。
The working resistance of support of great mining height can be determined by the rock gravity.
研究表明：放顶煤开采、提高支架工作阻力可以减缓煤壁压力，煤体合理注水可以提高煤体黏聚力与抗剪强度，它们是防治极软煤层煤壁片帮的有效措施。
The following research results are obtained: the top coal caving technique and increasing the resistance of the support can reduce the pressure on the coal wall.
本文对该类支架的工作阻力、初撑力、支护高度等主要参数进行了分析计算，并对其主要结构进行了设计。
The main parameters of the hydraulic support, such as working resistance, setting load and support height, are analyzed and its main structures are design.
对该类支架的工作阻力、初撑力、支护高度等主要参数进行了分析计算。
The main parameters of the hydraulic support, such as working resistance, setting load and support height are analyzed.
依据浅埋煤层矿压显现特征，给出浅埋煤层长壁开采工作面支架合理工作阻力及安全界限的确定方法。
Base on the weighing feature of the shallow coal bed, the specifying method of the support working resistance and safety margin is presented in the shallow coal bed.
提出了支架合理的工作特性、阻力和缩量。
The optimum working characteristics, such as resistance and yield of the supports, are proposed.
介绍了下沟煤矿综放开采支架选型与工作阻力的确定以及支架的适应性。
The paper introduces type choose and working resistance determining of powered support and its application in longwall with top-coal caving face of xiagou mine.
本文指出了我国现有沿空留巷支护存在的问题，分析了沿空留巷支架的工作状态和载荷构成，提出了沿空留巷支架的合理工作特性、工作阻力以及支护方式。
The problems related to the supports used in gateways maintained along the goaf-sides are discussed in this paper. The working state of the supports and constituents of the load are analyzed.
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.
应用推荐