JPKIC 2.History of structural design 结构热试原得】 From Gelieo age to present,300 years,the design can be summarized from two aspects: 1)structural design theory, theory of elasticity limit state theory 2)Structural design method deterministic design method probabilistic design method 2、History of structural design From Gelieo age to present, 300 years, the design can be summarized from two aspects: 1) structural design theory, theory of elasticity limit state theory 2) Structural design method deterministic design method probabilistic design method