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根据严格的随机过程理论,该文证明:国内沿用的所谓的‘动态可靠指标’并非我国结构设计规范所考虑的结构可靠指标,这个概念即忽视了国外更早开始、也一直在进行的相关研究,也违背了随机过程理论的基本概念。鉴于国内旧桥安全性问题日益严重,这个错误概念误导了很多研究者,使他们对旧桥安全性评定做出错误结论,直接影响了我国旧桥的安全,指出及早澄清这个错误概念的必要性。
According to the strict theory of stochastic process, this paper proves that the so-called “dynamic and reliable index” adopted in China is not a reliable indicator of the structure that is taken into consideration by China's structural design code. This concept ignores the earlier studies that have been carried out in other countries , Also violates the basic concept of stochastic process theory. In view of the increasingly serious problem of old bridges in the country, this misleading concept has misled many researchers and made them make wrong conclusions about the assessment of the safety of the old bridges, which has a direct impact on the safety of the old bridges in our country. It points out the necessity of clarifying this erroneous concept as soon as possible .