...设计-建筑结构 关键词］预应力钢桁架；张拉体系；特征值屈曲；非线性；套钢管节点 [gap=888]Keywords:pre-stressed steel truss; tension system; eigenvalue buckling; non-linear; pipe sleeve joint ..
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为进一步进行预应力钢桁架可靠性分析奠定了基础。
The results can be used as the basis of reliability analysis of the prestre…
对于相对较小的荷载，可以找到立体钢桁架及立体预应力钢桁架的经济高跨比范围。
For the relatively smaller loads, the economical height-to-span ratio scopes of space steel trusses and space prestressed steel trusses can be found.
通过对大量计算结果的研究，得出了几种跨度下立体钢桁架及立体预应力钢桁架的最优高度。
By study of large amount of computational results, the optimal heights of space steel trusses and space prestressed steel trusses of several spans are got.
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