Safety installation of bridge expansion joint of bridge expansion joint
The construction unit for expansion joint hoisting, check the center line and center line girder seam is coincident, its top surface and surface elevation is consistent, timely adjustment. The pre delivery of rebar and anchor joints welded firmly, then across the 12 or 16 level steel. Must immediately dismantle the expansion joint positioning plate, chisel to locate the screw, and the angle to the wheel abrasion welding scar, fill the paint adhesive tape or wood. The top surface of the seam sealing joints, the notch part is No. 50 pouring concrete; with insert type vibrator, vibration compacting concrete fully. Smooth surface. Using a ruler to check excessive expansion joint top surface. Over the period, should as far as possible with the roadSmooth. The concrete health rear can be opened to traffic. With the wall, the pavement structure of the expansion joints, to participate in the installation process.