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What is the difference between cold mix asphalt and cutback asphalt?
Wiki User
∙ 15y ago
Cold Mix Asphalt is a mixture of aggregate and asphalt. Cutback asphalt is a liquid asphalt.
Cold Mix Asphalt is a mixture of Aggregate and Asphalt. The Asphalt is usually am emulsion asphalt or a cutback asphalt.
An emulsion asphalt is asphalt cement blended with water.
Cutback asphalt is asphalt cement blended with a fuel oil, kerosene, or a naptha.
The water, fuel oil, kerosene or Naphta evaporates and leaves the asphalt.
Wiki User
∙ 15y ago
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What is emulsified asphalt?
Asphalt must be liquified before it can be pumped through pipes, mixed with stone aggregates, or sprayed through nozzles. Heating is one way to liquify asphalt for construction purposes. But when asphalt cools, it becomes a semisolid material. There are other ways to liquify asphalt for construction operations. One way is to emulsify it with an emulsifying agent and water. In the emulsification process, warm asphalt is mechanically milled into very very small globules (5-10 microns and smaller) and dispersed into the water treated with emulsigying agent. The emulsifying agent keeps the asphalt globules apart from one another and suspended in the water which allows the asphalt to be used at room and cold temperatures. After the emulsified asphalt is sprayed onto a surface or mixed with aggregates the water evaporates and leaves only the asphalt residue behind to cement the aggregates together or waterproof the surface it was sprayed on.
What causes potholes or large cracks in a pavement to appear in a street?
The main cause is in cold climates water gets into a tiny crack and then freezes and expands causing the crack to get larger and then when cars drive on it it will eventually cause the top layer of asphalt to break off. In warmer climates the constant wear of vehicles and heat from the sun dries the asphalt and causes the top layers of asphalt to crack, which can widen from rain water. Little cracks like in drive ways are usually caused by roots which can cause cement to crack and break up. To read more see attached link.
What should i choose asphalt or concrete for my entrée de garage(driveway)?
We have had both. Concrete tends to look better and hold up longer, but the surface stones can pop out and the concrete can crack. It is more expensive to install than concrete. We paid additional for a formula that would have fewer surface pops. New asphalt driveways look nice, too. There are pros and cons to sealing them every year. Sealants give the driveway a new look but don't necessarily prolong the life of the driveway. The surface of an asphalt driveway can become uneven and will crack. Tire pivot points will wear and tire depressions will form where vehicles are regularly parked. The dark color can be a heat sink due to sun exposure and can actually soften with the heat That can be a negative during a hot summer, but our south-facing asphalt driveway seemed to finish snow removal jobs by melting whatever remained. Asphalt is less expensive, but generally needs to be replaced more often than concrete. Some folks have gone to using paving bricks in driveways. That looks nice, but you have to fight weeks growing in the cracks and it makes for a noisy and bumpy ride for anything wheeled across it. (think wheeled garbage bins or luggage). Whichever driveway you choose, you need to do your homework on the proper installation and watch that your contractor adheres to those parameters. Also check the contractor's guarantees and reputation. We had to take one contractor to court because an asphalt driveway was installed cold and didn't last a year.
Why strength of steel decreases with thickness?
The thicker a steel plate, the more susceptible the plate is to brittle fracture behaviour. this is due to a large temperature difference or gradient between the inner and outer plate. When the mass of the thick plate is sufficiently great, the harsh cold temperature will induce stress faster than the material can dissipate and hence fracture. this is why the strength reduces with grade and thickness.
Why do concrete patios crack?
A concrete patio usually cracks due to heat cold. If it is to cold it contract and break. If it is to hot it will expand and break. Then water can seep into those cracks and freeze causing the crack to expand
What is the difference between hot asphalt and cold asphalt?
Hot mix asphalt is is heated for application, which thins the material. Remember those steaming metal buckets you used to see on industrial rooftops? Cold asphalt is liquified with something else besides heat. There are two kinds: Emulsified asphalt is mixed with water and an emulsifying agent. Think of it like salad dressing that does not separate in the bottle. The other kind is called Cutback asphalt and is mixed with a petroleum solvent such as naptha, gasoline, or kerosene. They both are liquids at ambient temperature when applied; then the solvent or water evaporates, leaving the asphalt behind. Look up at asphaltinstitute.org
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What expands in heat and shrinks in cold?
asphalt
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one is hot and the other is cold.
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A fever blister and cold sore is the same thing.
