It is suggested that you use cement sand repair material to quickly repair the pits and surface damage of cement concrete pavement. The construction is very simple, the aesthetic degree after repair can be consistent with the original pavement, and the overall effect is beautiful. Huatong quick cement patching material has high initial setting strength, which lasts for 20 minutes and is open to traffic for 6 hours, and will not affect the normal business or traffic of the shop. The repairing material concrete has a compact structure and its impermeability is 2-3 times stronger than that of ordinary cement. Different from ordinary portland cement, this product is a neutral material and has no corrosion to steel bars; The product expansion rate is low, which does not affect the effect after molding; Good adhesion to concrete, strong water resistance and good workability in construction.

The construction technology of quick cement repair material is simple, and the 5mm thin layer is repaired. Road surface cleaning: use high-pressure water gun to clean the floating soil, sundries and loose objects on the road surface. Note: no water is allowed after the surface is cleaned.

Mixing: mix according to the ratio of patching material: white latex = 100: 20 (if the amount of emulsion is too much, it will lead to slow setting time after molding, surface cracking, and the color of cement pavement varies greatly from place to place. Black color paste can be added when stirring to adjust the color of emulsion). Note: Do not mix too much repair materials at one time, and mix them while constructing. Mortar mixed with repair materials shall be completed within 30 minutes; When manual mixing is used, it is necessary to flow, mix and construct. The construction temperature should be higher than 5℃.

Plastering: firstly spray white emulsion on the cleaned cement pavement, then spread the mixed repair mortar evenly, then smooth it with an iron trowel and trowel, and brush the emulsion on the repair surface after the light is collected (for thin-layer repair, use an iron trowel, please refer to the construction method of ordinary cement mortar).

Maintenance: After the construction is completed, the traffic can be directly opened with film covering for 6 hours (if the road is closed, the opening time will be slightly extended and the construction effect will be better).