The member bearing compression in the truss could be regard as a battened column with the single axis of symmetry.
这种角钢桁架中的受压件在结构上是一个单轴对称缀板柱。
The strut can be treated as compression member constrained by lateral translation nonlinear spring.
撑杆可以看成是含有平移弹性约束的轴心压杆结构.
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