【摘要】 结合京广线上规模最大的换架梁工程 ,介绍了繁忙干线桥梁快速换架技术 ,在对总体行车计划影响较小的情况下 ,快速更换了 10 3孔预应力混凝土T形梁 ,保障了运营安全 ,取得显著的社会、经济效益更多还原

【Abstract】 An introduction is given to the construction technologies of rapidly replacing 103\|span prestress concrete T style beams, less influences on the general traveling plan, ensuring operating safety, achieving good social and economic benefits, combines with the construction of replacing and erecting an extra\|large bridge on Beijing\|Guanghzou Railway.更多还原