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介绍了装配式连续刚构桥的受力特点和适用范围，并结合实桥分析了这种体系桥梁的设计、计算要点及施工顺序对内力的影响和影响程度，还提出了拓展跨径的一些思路.“,”The force characteristic and application of the fabricated continuous rigid-frame bridge are given. The design and calculation points of the bridge and the influence of the construction progress on the structure force are also analyzed in accordance with existed bridges. In addition, some ideas of extending the limited span are submitted.