Reflection crack repairing structure and reflection crack repairing process
A reflective crack and process technology, applied in the field of road surface reflective crack repair technology, can solve problems such as high investment cost, reduced road quality, rutting disease, etc. Effect
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Embodiment 1
[0028] The reflective crack repair process of the present invention firstly adjusts the width of the slotting machine tool according to the designed crack slotting width, and debugs the equipment to ensure that the equipment is working normally; secondly, the equipment must be pre-operated before starting the slotting; finally, it is carried out along the crack Slotting, according to the designed slotting depth, adjust the depth adjuster to reach the designed depth. When grooving, ensure that the centerline of the groove is consistent with the centerline of the crack. Regardless of whether the crack has been grooved or not, there are more or less moisture, dust, debris and debris in the crack. In order to ensure that the sealing material has good adhesion to the wall of the crack (or groove), The wall of the crack (or groove) should be thoroughly cleaned and completely dry. The method of seam cleaning generally uses compressed air blowing, sandblasting, steel wire brushing, an...
Embodiment 2
[0031] With reference to the construction method of Example 1, the reflective crack repair process of the present invention is applied to K67+661 in the upward direction of a certain arterial road. The test section is about 10m long, milling at 50cm on both sides of the crack, and the milling depth is 9cm, and then backfilled 6.5 cm rock asphalt modified high modulus asphalt mixture, 2.5cm U-Pave10 asphalt mixture.
Embodiment 3
[0033] With reference to the construction method of Example 1, the reflective crack repair process of the present invention is applied to a certain arterial road to K67+712, the test section is about 11m long, milling at 70cm on both sides of the crack, the milling depth is 10cm, and then backfilling 7.5cm Rock asphalt modified high modulus asphalt mixture, 2.5cm U-Pave10 asphalt mixture.
[0034] Comprehensive examples 1 to 3, after the later on-site investigation and testing, the treated pavement basically has no reflection cracks. Understand the dynamics of road surface changes, and adopt the test of bearing capacity, and the monitoring and testing meet the requirements of relevant regulations.
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