Common types of cracks in expressways 

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chenchen12495
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Joined: 8/9/2016
Topic  Common types of cracks in expressways       Flag »  Reply »

(1) Adhesive tape stitching disposal method. First, remove the cracks and dirt, and then according to the size of the crack, cut the size of a good paste stitching, usually 2cm wide, but also pay attention to avoid stickers veneer stained. Baking stitching with a spray gun, when the seam surface appears oil point and paste the sticky surface change oil slide, the adhesive tape can be affixed to the seam surface. In the end of the stitching section, the baking time should be slightly longer.

(2) mechanical filling joints. Mainly used slotting machine, filling sewing machine, air compressor and other grouting treatment. Including slotting, clearance, irrigation joints, cooling and other processes. Is currently using more of a filling irrigation processing method.

(3) common irrigation method. That the use of artificial heating in the field of asphalt, iron pot or special equipment for irrigation joints, generally need to water 2-3 times, to be asphalt cooling can be. This method is simple, low cost, but the treatment is poor, need to repeat the construction every year, do not advocate use.

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  Tuesday, February 7, 2017 at 11:02:59 PM

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