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文章概述了工程结构设计由容许应力法——破损阶段设计法——定值极限状态设计法向基于可靠性理论的概率极限状态设计法发展的趋势和目前国内外工程界研究和应用可靠性理论的情况。我国公路工程结构可靠性设计的研究正在加速进行,最近几年可望逐步纳入有关规范,从而进入实用阶段。这是工程结构设计的重大技术变革,公路工程技术人员应更新知识,努力学习和掌握这一新理论。
The article summarizes the engineering structure design by the allowable stress method - the design phase of damage method - the limit value of the state design method based on the reliability theory of probability limit state design trends and the current domestic and international engineering research and application of reliability theory Case. The research on the reliability design of highway engineering structure in China is accelerating. It is expected that the relevant specifications will be gradually incorporated in recent years, so as to enter the practical stage. This is a major technological change in engineering structure design. Highway engineers and technicians should update their knowledge and work hard to study and master this new theory.