How to deal with cracks in floor construction joints?
The cracks that do not affect the safety of the structure shall be used in combination with the following methods:Chemical grouting: suitable for through cracks, the use of special pressure equipment, the chemical pulp into the hydraulic pressure, the general chemical grout for epoxy resin, polyurethane and so on.In the original position of the crack sealing slot slot, groove clean, sealing material for fill block, sealing material with epoxy grout, sealing compound, polymer mortar etc..
The width of the fracture shall not be treated within the design allowable range. When the crack width exceeds the standard requirement, the cause of cracking shall be determined first, and then treated after the development of the fracture is basically stable. If the cracks affecting the structure safety, should be addressed to the design or management department.
Cracks in the surface coating: coated on the surface of the seal coating or protective mortar, general with glass fibre cloth as the reinforced layer, sealing coating with polyurethane or epoxy resin protective mortar with polymer mortar or neoprene latex mortar.
