针对柔性系杆拱采用端横梁压重的问题，由于端横梁自重较大，而且系杆张拉后端横梁难以张拉预应力筋，端横梁的安全性是需要解决的一个难题。
It is a problem to assuring the safety of the end crossbeam in the arc with flexible tied bar, because it is difficult to prestress the end crossbeam after tensing the tied bar.
通过非线性振动中常用的里兹-伽辽金法，推出了两端铰支压杆大挠度问题的一个新近似公式，计算结果表明具有较高的精度。
A new approximate formula for the large deflection problem of compression bar with two ends are simply supported is obtained, by the use of Ritz-Galerkin method.
对一端固定一端自由功能梯度压杆的后屈曲问题进行了分析。
Post-buckling equilibrium paths of functionally graded material(FGM)rectangular bar with one end fixed and another end free are studied.
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