初始预应力分布的计算是双层索结构受力分析的基础。
The calculating of initial prestress distribution is basic and important for analyzing of double-layer cable structure.
目的研究具有外环桁架的肋环型索穹顶的构件布置和特点，提出确定初始预应力分布的快速计算法。
The purpose of this paper is to investigate characters, initial prestress distribution and its quick calculation method of Geiger dome with outer truss torus.
以初始应变能最小为预应力优化目标和重量最轻为截面优化目标进行了优化设计，获得了合理的初始预应力分布和截面大小。
Taking the minimum initial-strain of the structure as the objective function of the optimal prestress design and the minimum light of the structure as the.
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