How Many Aspects Are Included in The Bridge Deck System Of Bailey? What Should I Pay Attention To?

Bailey deck system includes beam, longitudinal beam, bridge panel, flange and so on.

Cross beam: The cross beam is equipped with 4 groups of buckle to limit the longitudinal beam part, both sides are welded with short columns to connect the throwing brace, and both sides have 3 concave eyes on the bottom edge. When installing the beam, insert the concave eye into the shear nails on the beam pad on the belly bar of the column, so that the beam is in place on the truss. The spacing of the holes is the same as the spacing of the trusses, and after the beams are in place, the spacing of the trusses is relatively fixed.

Bailey fixture: composed of support rod, suspension beam and support rod; To hold a stationary beam. There is a convex head at the top of the support rod, and the convex head of the support rod is buckled into the vacancy of the beam pad during installation. The end of the suspension beam is hooked on the square hole circle of the column vertical rod, and then the rod (or spanner) is used to rotate the support rod so that it is locked and fixed. The beam jig can not bear a large upward load, so when the beam jig is clamped, it is strictly prohibited to use hydraulic jacks to lift up under the beam, and the beam is fixed.

Longitudinal beam: Longitudinal beam is divided into buckle longitudinal beam and no buckle longitudinal beam two kinds. Buttons are welded on the buckle longitudinal beams, built on both sides of the bridge floor, and the bridge panel mortises are placed in the middle of the buttons. Four of the buttons are provided with sealing holes, which are used to connect the edge materials and the bridge panel with the buckle longitudinal beams according to the holes. The unfastened longitudinal beam is built in the middle of the bridge without distinguishing the two sides.

The safety precautions that must be paid attention to before dismantling the Bailey steel bridge are mainly:

1. When the steel structure bridge is dismantled, the protection countermeasures are first set on both sides of the bridge, and significant signs are set up to prohibit passers-by from entering the bridge, so as to ensure the smooth development of the steel structure bridge demolition project.

2. Create production safety Internet and set up construction safety personnel to provide specific guidance and supervise the inspection of site construction safety.

3. Wear safety helmets during the construction of bailey steel bridge, set safety nets in accordance with regulations, and wear safety belts when necessary.