Cement concrete pavement crack damage grooving type repair method

Abstract

The invention discloses a cement concrete pavement crack damage grooving type repair method. The repair method is characterized in that the method includes the following steps: traffic control, lofting and lining, cutting and grooving, anchoring steel nail and iron wire mesh installation, groove inside cleaning, concrete pavement pouring, concrete pavement maintenance, and control removal and traffic opening in order. The grooving type repair method is to groove a groove with the width being 20 cm and the depth being about half of the plate thickness, arrange anchoring steel nails and iron wire mesh in the groove, and pour micro-expansion concrete of the same strength grade as a conventional pavement into the groove to the level flushing with the pavement. The grooving repair method do notneed to break the whole pavement, thereby saving huge cost. The road closure scope during construction is small, thereby ensuring road smooth. The micro-expansion concrete can be used to make the joint between the concrete pavement poured during the repair and the conventional concrete pavement smaller and enhance the crack resistance of the repaired concrete.

Description

Technical field [0001] The invention relates to a pavement treatment method, in particular to a chiseling method for repairing cracks on cement concrete pavement. Background technique [0002] As one of the important forms of high-grade pavement, cement concrete pavement is more and more widely used. Cement concrete pavement has the advantages of high strength, strong adaptability, durability and low maintenance cost. However, there are still many problems in actual use of cement concrete pavement. For example, the original design theory is not perfect, the construction experience is insufficient, and the concrete maintenance is not in place. After opening to traffic, many road sections have local horizontal and longitudinal cracks, missing edges and corners and other damage, which seriously affects the road comfort and safety. [0003] At present, the repair of cracks and damages on cement concrete pavements generally adopts the removal of damaged concrete panels and re-pouring....

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a repair method for cracks and damages on cement concrete pavement, which overcomes the defects of long time consumption and poor repair effect in the prior art.

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