For the daily maintenance of bridge concrete pavement, more and more rapid repair materials are used for construction. The construction operation time is controllable, the maintenance time is short, and the bridge roads are open to traffic quickly, with the characteristics of high compression resistance, high adhesion and corrosion resistance. The daily use of bridge pavement maintenance is preferred.
The following three points should be paid attention to during the repair construction of the RT-2 quick repair material of the Emergency Repair Treasure:
1) Chiseling of the original structure: roughen the surface of the original concrete pavement layer as deep as possible to expose the aggregate, wash it with clean water and fully wet it, and then use Repair Treasure RT-2 super early strength polymer mortar Clean ratio gravel After mixing, pour it to the diseased place.
2) Reconstructed bridge deck: asphalt Class A materials can be used to repair the bridge deck pavement. Asphalt surface treatment or asphalt can be used to repair the asphalt pavement fine sand Overlay, or pave 2~3cm asphalt concrete, and pay attention to brushing tack coat asphalt before construction to make the new and old concrete bond well.
3) Re pouring the pavement layer: the bridge deck pavement layer is severely damaged, all of which are chiseled off, and the pavement layer is re poured. The newly paved surface layer is made of a new composite material - rush repair treasure RT-2 ultra early strength polymer mortar, which can be opened to traffic in 2 hours.
Make arrangements in advance for the repair of damaged bridge pavement pavement, such as reasonable arrangements according to the size of the area blender The number of units, number of people, maintenance tools, etc., details determine the efficiency of the construction progress, to ensure the smooth progress of the quick repair mortar in the construction time, the same day of excavation, the same day of repair, set up warning signs, and the repair range of the pavement layer extends 15-20cm outward.
