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| Tweet Topic Started: Mar 10 2017, 12:44 AM (3 Views) | |
| qzz10011 | Mar 10 2017, 12:44 AM Post #1 |
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<p>Fog seal When the asphalt pavement is still in a state of basic integrity, but has begun to appear a slight fatigue cracking, the phenomenon of oil, fog seal is the most effective means of curing this stage, fog seal can penetrate into the aggregate seam, Flow into the cracks to the road "blood transfusion",cutting pavers machine in uk so as to restore the road table asphalt adhesion, to fill tiny cracks and gaps, to prevent road surface underwater infiltration, can play a road to restore the road performance to maintain 2 to 3 years, The higher cost of conservation works. But the fog seal is not much effective for filling long cracks.</p> <p>2. Cracks are filled. Cracking is a conventional conservation measure. Can effectively slow down the degradation of the road, so that the road condition index PCI decline rate decreased, so that the road life extension. It is very important to effectively seal the sealant with excellent performance in the crack caused by the cracks in the asphalt pavement. Otherwise, the pavement cracks will develop rapidly,Low Thermal Spray Gun Asphalt Road and the pits and the mortar will be developed.</p> <p>Thin cover. Thin layer cover is a more traditional preventive maintenance method, is in the original road with a layer of thickness of not more than 2.5cm of hot asphalt mixture, which effectively prevent the performance is declining pavement continues to deteriorate and improve its flatness, To restore its anti-skid resistance,road sweeping cleaning machine to correct the contours of the pavement, and to have a certain reinforcement effect on the road surface, but in most cases the cost and benefit contrasts are worse than other preventive maintenance methods.</p> |
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