The main factors causing the blistering in UP FRP and the optimum structural design for reinforcing improving the anti- blistering property were briefly described in this paper.

本文概述了聚酯玻璃钢水泡化的主要影响因素，以及增进其抗水泡化性能的整体增强结构设计的优化组合方案。

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Through building optimum model of truss Bridges, utilizing structural analysis methods and combining examples of optimum algorithms, the dynamic design of wide span truss Bridges is discussed.

通过建立斜拉桥优化模型，运用结构分析方法，结合优化算法计算实例，对大跨度斜拉桥的动力优化设计进行了初步的探讨和研究。

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This article narrates the principle and the method of the structural optimum design, analyses the basic principle of the steel structure design and gives the correlation design formula.

本文叙述了结构优化设计原理和方法，分析了钢结构设计的基本原理并给出了相关设计公式。

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