Treatment method for comb tooth type expansion joint smooth connection position in bridge additional paving

The invention discloses a treatment method for a comb-tooth-type expansion joint smooth connection position in bridge additional paving, which comprises the following steps: (S1) milling a milling smooth connection road section on the surface of a bridge deck paving structure layer on each of two sides of a comb-tooth-type expansion joint, and the milling smooth connection road section comprises a bonding material additional paving area and an asphalt concrete additional paving area; (S2) asphalt concrete additional paving is conducted on the asphalt material additional paving area and the bridge deck pavement structure layer, and a general additional paving road section is formed; (S3) finely cutting the interface of the asphalt concrete paving area and the bonding material paving area; and (S4) adding a bonding material into the bonding material additional paving area, and compacting through a site construction machine. According to the method, an asphalt concrete material is replaced with a newly researche