Stability analysis is carried out with prestressed spatial steel structures according nonlinear finite element theory.
基于非线性有限元原理对预应力空间钢结构进行了稳定性能分析。
Spatial cable truss structures are composed of orthogonal prestressed cable trusses which combines prestress technology with space grid structures.
索网架结构将预应力技术与网架技术融为一体，由正交正放预应力索桁架组成。
The spatial structure in the two states, through comparative analysis of prestressed structures developed than non-prestressed structure has obvious advantages.
该空间结构体系在两种状态下，通过对比分析，研究出预应力结构比非预应力结构有明显的优越性。
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