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一、前言由于计算结构力学的发展,使用计算机对桥梁结构进行空间分析已经不存在理论上的困难。近年来一些功能很强的大型通用结构分析程序如SAP 5和JIGFEX等相继投入使用,为
I. INTRODUCTION Due to the development of computational structural mechanics, there is no theoretical difficulty in using computer to analyze the structure of bridges. In recent years, some very powerful large-scale structural analysis programs such as SAP 5 and JIGFEX have been put into use