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预应力纲筋混凝土(Prestessing Reinf-orced Concrete)是日本横道英雄于1961年前后最初在日本提倡的,最近已逐渐被重视。本文译编横道英雄著《混凝土桥》1972年修改版第4、7、8、22、25、26章中有关预应力纲筋混凝土的内容,介绍其设计概念、计算方法和设计算例,及已成的PRC 桥实例。一、预应力钢筋混凝土的设计概念预应力纲筋混凝土(PRC)是指为满足所要求的裂缝条件而导入了比较少量的预加
Prestessing reinforced concrete (Prestessing Reinf-orced Concrete) is a Japanese cross-hero who first advocated in Japan around 1961 and has gradually been taken seriously. This article translates Heroes of “Concrete Bridge” revised version of 1972, Chapter 4, 7, 8, 22, 25, 26 chapters on the content of prestressed reinforced concrete, introduces its design concepts, calculation methods and design examples, and Has become PRC Bridge instance. First, the design concept of prestressed reinforced concrete Prestressed reinforced concrete (PRC) is to meet the required crack conditions and the introduction of a relatively small amount of pre-plus