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.
大跨度；高支架；水平剪刀撑；整体排架；刚度与稳定性。
Large-span, high-bracket, Horizontal scissors, Overall bent frame, Rigidity and stability.
以重庆奉节长江大桥边跨为例，介绍其采用高支架现浇的施工技术。
Takeing the side span of Chongqing Fengjie Yangtze River Bridge as an example, this article introduces the construction technique for cast in-place of the bridge with high supports.
对大采高支架单架下滑、多架下滑力学模型，以及由于支架下滑而发生支架倾倒的问题进行了研究。
Mechanical model of single-support downslide and multi-support downslide as well as the problem of the tipping resulted from the downslide of the support are studied.
大采高支架在设计、使用、管理等方面的实际分析结果表明，本研究内容具有较高的正确性、实用性和推广性。
According to the analyzing results of design, application and management etc., the proposed approach shows promising correctness and practicability and popularization.
在给定初始支撑强度的前提下，加大支架的让压变形量，提高支架承载能力，大大改善了矿工钢梯形支架控制围岩的效果。
After being set state load, optimized timbering adds support yielding deformation, increases the load-carrying ability and improves the effect of controlling the surrounding rock.
结果显示，增加支架筋的宽度和厚度都能够提高支架的抗压缩性能，且这两个方向上尺寸的增加对提高支架抗压缩性能的作用基本相当。
The results show that the stent's radial strength is improved with the increasing of the strut's width or thickness, and their influences are almost equivalent.
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.
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.
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