介绍了U型钢可缩性支架缩动后的内力计算方法。
This paper gives the method of internal force calculation of U steel supports.
本文提出采用有限元法对U型钢可缩性支架进行计算。
In this paper, the finite element method for U shape yieldable steel ribs is presented.
型钢可缩性支架的缩动与否，取决于支架卡缆预紧力及搭接部分两端的内力。
Whether an u-steel yielding support could yield depend on the pre-screw forces of the camps and the internal forces of both ends at the u-steel overlap parts.
缩动是U型钢可缩性支架的重要特性 ，按支架缩动后进行强度计算是必要的。
Yielding is an important characteristic of U steel supports. It is necessary to consider the internal force caused by the yielding of the U steel supports in the strength calculation.
通过对ANSYS模型建立和网格划分模块的系统分析，结合巷道支护经验，找出了对U 29型钢可缩性支架进行模拟计算的方法。
Through systematic analysis of ANSYS modelling and meshing module, incorporation roadway design experience, a simulation calculation method on U29-type steel flexible support was found out.
本文给出了U型钢可缩性支架的缩动条件，讨论了卡缆预紧力对支架抗缩动能力的影响以及支架在缩动过程中抗缩动能力的变化等问题。
The paper gives yielding conditions and discusses the influence of pre-tension of clamps on yieldable capacity of the U-steel and change of yieldable capacity in the process of yielding.
本文给出了U型钢可缩性支架的缩动条件，讨论了卡缆预紧力对支架抗缩动能力的影响以及支架在缩动过程中抗缩动能力的变化等问题。
The paper gives yielding conditions and discusses the influence of pre-tension of clamps on yieldable capacity of the U-steel and change of yieldable capacity in the process of yielding.
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