What To Pay Attention To For The Support Frame Of Bailey Bridge

The seventh link of the overpass is estimated by Berepian to be a continuous box girder with variable cross-sections, with 24# and 25# piers on the left as the dominant pier, and 23# and 24# on the right as the dominant pier. The span components are 40m+60m+40m respectively. In the 0th stage, it is planned to use the bowl fastener + beret support frame method for construction. When installing, fix the 4 hollow anchor bolts on both sides.

Joint plate: The joint plate is used to connect the first row and the third row more. In the case of three rows and two layers, one coupling plate should be installed on each end vertical rod of the top layer; when the three rows are single-sided, only one coupling plate needs to be installed on the same side end vertical rod of each section. The joint is installed on the end post. Bailey Bridge diagonal support anchor bolts and support anchor bolts: diagonal support anchor bolts are used to connect diagonal supports; support anchor bolts are used to connect fixed brackets and joint plates. These two types of anchor bolts are basically the same, but the diagonal brace anchor bolts are longer than the brace anchor bolts. A partition is welded on one end of the anchor bolt, which is used to buckle the axial partition on the edge of the prefabricated member when the anchor bolt is tightened, so as to prevent the extruder screw from rotating with the nut.