2. Chisel away the damaged diaphragm
3. Implant reinforcement and weld reinforcement.
4. Model
5, pouring concrete
6. Form removal and concrete curing
7. Dismantle the working platform and open the traffic. End.
The actual cost of repair materials is not much, most of which is the cost of measures. The reference price of ordinary reinforced concrete materials is about 4,000 yuan/square, and polymer concrete (fast hardening) is 30,000 yuan/square.