Bearing grouting material used in which parts of the world

Where pedestal grouting material used in bearing grouting material, as the name suggests, is to use on the support! Now the overpass, cross river bridge beam and column structure. In columns ( Bridge pier) With the box girder, precast beams and cast-in-place beam junction, undertake need support. Let's pot bearing, for example, pot bearing set bearing pad under the stone, at the same time, according to the bearing plate anchor bolt spacing and specifications set aside the screw hole, the reserved three times of the screw hole diameter of anchor bolt ( 3 d) And depth of anchor bolt length L + 50 mm. Anchor bolt hole perfusion material is needed for pedestal grouting material ( Grouting material or bearing) , can only use this material at this site, but cannot use ordinary CGM high-strength non-shrinkage grouting material or bridge expansion joint with the sort of self-compacting mortar. In general, the pedestal grouting material is designed for bridge bearing the part of a special material. Installing a bridge bearings can only choose this material.