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zhangxiaosan
Legenda soseske
Pridružen/-a: 27.09. 2016, 06:54
Prispevkov: 1069
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 Objavljeno: 14 Nov 2016 04:34 Naslov sporočila: Fourth, micro-surface and slurry seal |
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<p>Micro-surface can also be referred to as "polymer modified emulsified asphalt slurry seal layer" is the polymer modified emulsified asphalt, high-quality aggregate, water, additives and fillers (usually cement) according to a certain percentage of mixing mixed Materials and the use of special spreaders paved on the road,Cold Milling Machine use note matter
the conservation, rolling the formation of thin pavement. Its main purpose is to delay the occurrence of rut and improve road conditions.</p>
<p>Fifth, fog seal layer</p>
<p>Fogging seal layer is a typical application of dilute, slow-setting emulsified asphalt, which utilizes asphalt sprayer to spread emulsified asphalt directly onto the road surface without the need of aggregate covering. Sandblasting can improve anti-skid performance. Mainly for the treatment began to appear a slight fatigue crack, the loss of some fine aggregate road surface, is the most effective means of conservation at this stage, and its lower cost. Fog seal layer can play a role in road surface oxidation and hardening asphalt adhesion, to fill the cracks and gaps in the road surface to prevent the road surface water infiltration,China High Quality Concrete Cracks Paste Seam Zone
so that the road surface under low temperature from damage, to prevent loose road and so on, Can be used to deepen the road surface color to distinguish between road lanes.</p>
<p> HTP anti-aging thin layer repair</p>
<p>HTP anti-aging thin layer repair will wear aggregate directly into the emulsion, and add special ingredients to make it stable suspension, and then through the high-pressure equipment evenly sprayed on the road, eliminating the sand after the sand and rubber roller rolling Two-step process, but also because the material is fully wrapped, relatively sanding and rolling effect is more solid and stable. This emulsion and sand pre-mixed curing process greatly improved the original fog layer sealing process defects, high adhesion of the adhesive material and high wear resistance of the full integration of aggregate to ensure the necessary anti-skid performance of the road.</p>
<p> on-site thermal regeneration</p>
<P>Through the original road surface preheating milling with the new addition of aggregate and asphalt paving after mixing paving to improve road performance. But the equipment cost is higher,high quality comprehensive repair material
not suitable for small-scale conservation projects.</P>
<p>HAP chip seal</p>
<p>The HAP chip seal is a water-proof and anti-slip seal layer formed by adding stone chips in the HAP spray emulsion (polymer modified emulsified asphalt) according to a certain mixing ratio, and uniformly mixing the mineral powder to form a road surface. HAP protective layer is mainly used for preventive maintenance of asphalt pavement and disease treatment, can close the small cracks, slow down the peeling off the extension of the life of asphalt concrete.
HAP Technical features: waterproof performance; strong adhesion; not wear, good anti-aging ability. But it has little effect on filling long-term and active fractures, and can not be a solution when cracks are large, with severe rutting, crowding or structural problems.</p>
<p>Rubber asphalt stress absorption layer AR-SAMI</p>
<p>AR-SAMI (Stress Absorbing Membrane Interlayer) is a kind of flexible anti-crack layer made of rubber asphalt and graded gravel material. Its thickness is about 25px. AR-SAMI has good resistance to deformation, can reduce the asphalt surface cracks in the force, thereby reducing or eliminating the reflective cracking of asphalt pavement, increasing the adhesion between the asphalt surface effect, is an internationally recognized anti-reflective cracks very effective solution.</p> |
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