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本文利用几何非线性混合体系有限元程序对椭圆双曲抛物面预应力索—拱体系与相应索网结构进行了静力性能分析比较，表明了索—拱体系能有效地克服索网结构存在的弱点，较之索网结构优越。
In this paper, the static performance of the elliptic hyperbolic paraboloid prestressed cable-arch system and the corresponding cable net structure are analyzed and compared using the finite element program of geometric nonlinear system. It is shown that the cable-stayed system can effectively overcome the weak points of the cable network structure. Compared with the cable network structure.