挂篮作为配重物在将军河大桥合龙段施工中的应用

Application of Form Traveler Taken as Counterweight Matter in Construction of Closing-up Section for Jiangjun River Bridge

在悬浇混凝土桥梁施工中,水箱放水和抛掷沙袋是合拢段施工中两种比较成熟的施工技术。但在施工受到时间和温度严格限制的特殊条件下,使用挂篮作为合龙段的配重物是比较适用的。位于湖北十堰的将军河大桥在合龙段施工中应用了这种方法,该文就施工工艺和理论计算进行了阐述。

In the construction of suspending-cast concrete bridge beam, to turn on water in water box and to throw sandbag are two well-considered construction techniques in the construction of the closing-up section. However, under the special condition of the construction been strictly limited by the time and temperature, it is more applicable to use the form traveler taken as the counterweight matter of the closing-up section. This method was used in the construction of the closing-up section for Jiangjun River Bridge located at Shiyan of Hubei. The article sets forth the construction technology and the theoretical calculation.