China's machinery and equipment industry is developing with the development of economy, which provides a strong guarantee for a variety of road and bridge constructions in China.Together with the majority of well-designed bridge builders' construction, the level of construction of hishway bridges has been listed in the world's advanced ranks.China has a vast land with uneven levels of economic development and the overall economic level is low.Roads and bridges development should focus on the actual situation in large and wide general bridge.These bridges are still based on prestressed concrete structures.The paper describes five common bridges to guide the bridge design.%我国机械设备工业随着经济发展而发展,这为我国修建各种公路桥梁提供了有力保障.再加上广大桥梁建设者的精心设计和施工,使我国建设公路桥梁的水平已跃身于世界先进行列.我国国土辽阔,经济发展水平不平衡,总体经济水平不高.公路桥梁发展还是要着眼实际.在量大、面广的一般大、中桥其桥梁仍以预应力混凝土结构为主.文章系统的介绍了五种常见桥梁,用以指导桥梁设计.
展开▼
