中小跨径预制装配式梁桥长联刚构体系总体研究

General Research on Long-Connected Rigid Frame System of Prefabricated Girder Bridges of Small and Medium Spans

长联刚构桥梁可以解决桥梁常规结构体系现存的许多问题,长联化设计可将刚构体系的优点进一步放大。论文通过实际工程案例分析了中小跨径长联刚构桥梁在主要荷载作用下的受力特点,并介绍了长联刚构体系的关键问题和相应的解决方案。

Long-connected rigid-frame bridges can solve many existing problems of the conventional bridge structure system.Longconnected design can further amplify the advantages of the rigid-frame system.This paper analyzes the mechanical characteristics of small and medium span long-connected rigid frame bridges under main loads through actual engineering cases,and analyzes the key problems of the longconnected rigid frame system and corresponding solutions.