论第三代结构设计理论
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TU318+.1

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On the Third Generation of Structural Design Theory
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    摘要:

    工程结构的第三代设计理论已经初具雏形、呼之欲出.从对结构设计理论的两个基本维度的分析入手,概略论述了第一代、第二代结构设计理论的发展历程.在此基础上,指出了第二代结构设计理论的局限性与基本矛盾,分析了第三代结构设计理论应该具有的基本特征,论述了其理论基础和基本构架.对为完整建立第三代结构设计理论尚需展开的研究做出了主题描述.

    Abstract:

    With the developments of past 30 years, people working in the civil engineering area have stand on an very important historical node: to establish the third generation design theory of structures. This paper briefly addresses the historic clues of the first and second generations of structural design theory and discusses the basic contradictions associated with the second generation of structural design theory. The characteristics typically featured by the third generation of structural design theory is then illustrated and basic framework are proposed as well. It is point out that the theory of solid mechanics, the modern numerical computational methods and probability density evolution theory consist of the three milestones of the third generation design theory of structures. The primary objective of the third generation of structural design theory is to achieve the global reliability design of structures in its life cycle such that a scientific quantification description can be drawn upon the global safety and service reliability of engineering structures. Ongoing work towards completely building up the third generation of structural design theory is outlined.

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李杰.论第三代结构设计理论[J].同济大学学报(自然科学版),2017,45(05):0617~0624

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  • 在线发布日期: 2017-05-16
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