【摘要】 简要叙述了钢桁架桥的发展历史和特点,对于钢桁架桥的设计方法进行了介绍,并对于其力学性能进行了分析,归纳和阐述了对钢桁架桥进行结构优化设计的一些较为成熟的方法,最后给出了关于钢桁架桥设计与优化的综合结论以及展望。更多还原

【Abstract】 Some basic elements of steel truss bridge are mentioned,including its history and characteristics. The next is the elaboration of how to design qualified truss bridges,combined with the mechanical analysis from several aspects. Then,the author expounds and induces some mature methods of truss bridge optimization,which is still in further development. Finally,some conclusion and expectation are given according to the research above.更多还原