常见桥型的结构分析与比较

A Comparative Analysis of the Structure of Common Types of Bridges

按结构受力特性分类,桥梁基本体系大致可分为三种,即拉、压、弯。在工程运用中,梁桥、拱桥、斜拉桥及悬索桥运用较广。根据桥梁结构的相关理论,从恒载内力、活载内力、附加内力、荷载组合、强度及变形计算等方面对这几种基本体系的桥梁进行了综合分析比较,较系统地提供了常见桥梁结构的分析方法,阐述了各种桥梁结构受力的共性及各自的特性。为设计及施工单位提供了有益的参考。

Bridges can be divided intO three sorts of basic architecture according to stress characteristics, that is, pulling force, compression force and moment of flexion. In the application of the projects, beam bridges, arched bridges, cable -stayed bridges and suspension bridges are being extensively used. In this paper, comparison and analysis are made about these bridges from dead-load stress, live-load stress, additional stress, load combination, intensity and distortion calculation. The paper also describes commonness and characteristic of different structure stress, which provides valuable reference for designing and construction organizations.