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在1930~1975年期间,我们对预应力结构,尤其是对复杂的三维箱形梁式结构的特点的认识有很大提高。与此同时,我们对各种复杂结构的分析能力也大大提高了。这种分析能力的提高,起初是依赖于数值分析方法及大型计算机的出现,后来则是由于小型机及微型机的发展才使得工程师能在自己的办公桌上进行复杂分析。 与人们在结构分析和结构性能方面的知识
From 1930 to 1975, we greatly increased our understanding of the characteristics of prestressed structures, especially for complex three-dimensional box-beam structures. At the same time, our ability to analyze complex structures is also greatly enhanced. This increased analytical capability initially relied on numerical analysis methods and the advent of large computers and later on led to the development of minicomputers and microcomputers that allowed engineers to perform sophisticated analyzes at their desks. And people in the structural analysis and structural performance knowledge