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一、基本概念 (一) 预应力的概念 1928年法国工程师弗莱西奈(E.Freyssinet)首次用高强钢丝对混凝土结构施加预应力,并在以后的工程实践中发展和完善了预应
First, the basic concepts (a) the concept of prestressed In 1928 French engineer Frisiani (E.Freyssinet) for the first time with high-strength steel wire prestressed concrete structures, and in the future engineering practice to develop and improve the pre-