The new cement concrete pavement is 20 cm thick, and some of it has been bulged. How to fix it? Ask experts for help.

It is best to rework, and the steps are as follows: 1 Check to determine the damage type; 2. Adopt corresponding tools and mechanical equipment according to different damage types; 3. Cutting: the patented product cutting machine is adopted, and water is not needed for dry cutting, and a dust removal device is installed to effectively avoid road pollution and dust; 4 chisel away the damaged road surface; 5. After the roughening is completed, clean up the slag and loose concrete blocks, and then clean up the impurities around the bonding surface with high temperature and high pressure gas from the hot air spray gun to form a clean and dry bonding surface, so as to improve the bonding performance of the repair material and the original pavement; 6 pouring: ensure the compactness and smoothness of the mixture. Immediately pour the stirred mixture into the plate trough for curing, spread it evenly first, then vibrate it, and then roll it with a pressure stick to lift the pulp and level it; 7 before the end of the initial setting time, smooth the surface with special tools and keep it consistent with the original road surface; Then napping to restore the original anti-skid ability; 8 slits; 9 joint filling