Compared with building structures, the application of prestressed in bridge structures is more popularity and depth. Prestressed are widely used in bridges, arch bridges, cable-stayed and suspension and other types of bridges. The construction is inseparable prestressed technology, this technology as been used as an extremely sophisticated means in modern bridge construction.%与建筑结构相比，预应力在桥梁结构中的应用更为普及与深入。预应力在桥梁、拱桥、斜拉桥和悬索桥等各类桥梁中均有广泛的应用。可以说，桥梁的建设离不开预应力技术，这项技术已经作为一种极为成熟的手段应用于现代桥梁建设中。
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