In recent years,with the continuous development of China's economy,infrastructure construction has been developing more and more rapidly,especially for some large-span railway bridges,which requires high technology in construction.In order to ensure the construction of the long-span railway bridge,the prestressed construction control technology of the long-span railway bridge needs to be seriously discussed so as to ensure the construction quality and construction safety of the bridge.%近年来,随着我国经济的不断发展,基础设施建设也得到了越来越快的发展,特别是对一些大跨度铁路桥梁的建设.因为在建设这类设施时,需要有着很高的技术,为了确保大跨度铁路桥梁的施工,需要认真探讨大跨度铁路桥梁的预应力施工控制技术,这样才能确保桥梁的施工质量和施工安全.
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