In the rapid change of highway bridge expansion joints, not only reference the size of highway traffic, but also start from the different forms of bridge structure. Only in this way, the efficiency and quality of change could be ensured and a win-win of social and economic benefits could be achieved. For high-grade highways, traffic and speed are relatively large, so traffic control should be developed in expansion repair and change. The rapid change of highway bridge expansion joints is the key. Only carry on rapid change, will not the normal operation of the vehicle is affected. This paper discusses the rapid change key technology of highway bridge expansion joints.%在进行高速公路桥梁伸缩缝快速更换时，不仅要参考公路交通量的大小，还要从桥梁结构形式的不同出发，这样才能保证更换的效率以及质量，才能实现社会效益和经济效益的双赢。对于高等级的公路来说，其在交通量以及车速方面都比较的大，因此在进行伸缩修补以及更换时要开展交通管制。可见，高速公路桥梁伸缩缝快速更换是关键，只有快速的进行更换，才不会影响车辆的正常运行。本文将对高速公路桥梁伸缩缝快速更换关键技术进行探讨。
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