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Precautions for high strength grouting bridge deck construction
Sep 13, 2018

1. The thickness of the high-strength grouting bridge deck pavement should meet the design requirements. The materials used, the pavement layer structure, the concrete strength, and the waterproof layer setting should meet the design requirements.

2. The bridge decking work must be carried out after the transverse joint steel plate welding work is completed, so as to avoid cracks in the joints of the high-strength grouting material on the bridge deck caused by the post-welded steel plate.

3. Before the high-strength grouting of the bridge deck is poured, the surface of the prefabricated bridge deck is roughened and cleaned. The longitudinal joint steel mesh or bridge steel mesh is laid according to the design requirements, and then poured.

4. If the high-strength grouting bridge deck pavement is designed as waterproof concrete, it should be handled in accordance with relevant regulations during construction.

5, high-strength grouting bridge deck pavement, the surface should be anti-slip measures, the surface should be divided into two, after the second leveling, pull the hair along the cross-slope direction or use the machine groove, the thickness of the pull and groove should be For the 1~2mm. 6 steel fiber high-strength grouting bridge deck pavement, in addition to the implementation of the relevant provisions of Chapter 11 of this code, it should be in line with the current China Engineering Construction Standardization Association standard "Steel Fiber Concrete Structure Design and Construction Regulations" (CECS38) )Provisions.


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