GQF型桥梁伸缩装置的设计与施工

Design and construction of GQF’s expansion and contraction installment

介绍了各种跨径所适应的不同伸缩装置的构造及特点,桥梁伸缩装置设计施工的基本要求,简要介绍了桥梁伸缩装置计算方法及选型原则,着重介绍了GQF(交通行业标准代号)型桥梁伸缩装置施工工艺,供从事桥梁设计及施工工作的技术人员参考。

In this article the structure and the characteristic of the different expansion and contraction installment being adapted to each kind of spans are introduced, the design and the construction of bridge expansion and contraction installment are explained briefly, its computational method and the principle of selecting type are discussed. The construction of GQF bridge expansion and contraction installment is expounded emphatically.