Bailey frame is a steel frame that has formed a certain unit, which can be used for splicing and assembling into many components and equipment. The length and width of the bailey frame is generally 3mX1.5m. Bailey beam, it is a truss beam assembled with Bailey frames. Most of the bailey frames are connected by hair windows and fixed with bolts.
The early bailey bridges were mainly used in the military, and simple bridges were erected on river channels and cliffs, that is, military steel bridges. In addition to being a combat-ready steel bridge, bailey bridge has been widely used in disaster relief, construction projects, and reinforcement of dangerous bridges.
Bailey sheet steel bridge is divided into 321 type steel bridge and HD200 type steel bridge. Among them, the 321 type bailey sheet steel bridge is the most commonly used type, and the commonly used spans are 9m, 12m and 15m. The core part of the construction process of the bailey sheet steel bridge is to determine the number of bridge spans, to assemble the belay sheet, to pour the concrete of the abutment cap, to erect the steel pipe pile, and to construct the bridge span structure. The bailey sheet construction method used in the steel bridge has many characteristics. The bailey sheet and the steel pipe pile can be reused; the erection is rapid, the construction period is short, and the mobility is strong; the dismantling is convenient, and the foundation of the Bailey sheet steel bridge is steel pipe piles. The upper structure is a composite truss structure, and the dismantling is simple, convenient and fast. At the same time, the Bailey Bridge has a wide range of applications. In the construction of highway engineering across the river, it provides temporary access roads for construction; emergency repair of temporary railway and highway piers on wood pile foundations, lying wood foundations, concrete foundations, and remaining piers; In continuous cast in place beams or simply supported beam bridges across highways and rivers, preconditions are provided for supports, etc.
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Post time: Aug-22-2022