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.
基于几何非线性有限元理论，推导了折线形索单元的刚度矩阵，建立了索张拉预应力钢桁架的几何非线性数值分析模型。
Based upon the theories of geometrical nonlinearity, the stiffness matrix of cable elements are put forward and the numerical model of cable-prestressed steel structures are established.
根据材料优缺点、施工特点等进行多方案分析比较，确定展厅、报告厅、演播室等楼盖结构选用后张有粘结预应力混凝土梁，钢桁架结构楼层采用钢筋桁架组合楼板。
The post-tensions prestressed beams are disposed for large space such as exhibition halls, reporting halls and studios, while the steel truss floors are formed by steel bar truss deck.
根据材料优缺点、施工特点等进行多方案分析比较，确定展厅、报告厅、演播室等楼盖结构选用后张有粘结预应力混凝土梁，钢桁架结构楼层采用钢筋桁架组合楼板。
The post-tensions prestressed beams are disposed for large space such as exhibition halls, reporting halls and studios, while the steel truss floors are formed by steel bar truss deck.
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