砂筒作为一种卸落设备,具有稳定性好、加工方便、承载力高、高度可调控等特点,已广泛应用于桥梁施工过程中。结合工程实际,介绍了将砂筒应用到铁路简支梁门洞搭设的设计方法,达到了高效、便捷、满足施工及车辆通行要求的目的,具有一定的实用价值,为相关连续梁门洞搭设提供了实践依据。 As a kind of unloading equipment, sand tube has the characteristics of good stability, convenient processing, high carrying capacity and adjustable height. It has been widely used in the process of bridge construction. Combined with engineering practice, this paper introduces the design method of sand tube applied to the erection of simply supported girder of railway, and achieves the goal of high efficiency and convenience to meet the requirements of construction and traffic. It has some practical value for the construction of related continuous girder erection Practice basis.