Asphalt Calculator

Assume Compacted Asphalt Pavement Unit Weight: = 110 LB/(SY*INCH)

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About Asphalt Calculator

What asphalt is made of?

A mixture of aggregates, binder, and filler called asphalt is used to build and maintain sidewalks, bicycle lanes, parking lots, railroad tracks, ports, airport runways, and play and sports areas. Sand, gravel, crushed rock, or slags may all be used as aggregates in asphalt mixtures. Asphalt is now more sustainable because some waste and byproducts, such building and demolition debris, are used as aggregates.

Asphalt Calculator

In some circumstances, asphalt is elastic and softens when heated. Except when utilised as a binder or adhesive, asphalt's mechanical qualities are largely insignificant. Asphalt is primarily used for road surfacing, which can be accomplished in a number of methods. Repeated applications of light oil "dust layer" treatments, granular aggregate added to an asphalt coat, or asphalt mixed with earth components from the road surface itself can all be used to create a hard surface.

The stone, sand, and gravel are joined together to form asphalt cement, which is used to create the pavement for our roads and highways. Products for waterproofing, sealing, and insulating contain a small amount of asphalt. The National Asphalt Paving Association estimates that there are roughly 3,500 asphalt factories in the US, producing a total of about 400 million tonnes of asphalt pavement, an item with a market value of over $30 billion.

What are the benefits of using benefits of hot mix asphalt?

In comparison to other paving and building materials, asphalt not only offers higher resistance to insects, weeds, and water, but it is also one of the most affordable options for both commercial and residential projects. Asphalt is more easily shaped to curves and corners than paving materials like bricks, slabs, or pavers, enabling a tight seal with kerbing and minimising the holes where water and debris might enter. Additionally susceptible to movement and shifting, bricks, slabs, and pavers can separate from one another.

When the asphalt binder is heated to a high temperature, often between 150 and 175 degrees Celsius, hot mix asphalt is created. In order to make hot mix asphalt more pourable and flexible, as well as to force any moisture in the mixture to evaporate, it is blended at this temperature. As a result, hot mix asphalt is more resilient to water and has a longer lifespan. Hot mix asphalt is flexible because of its temperature, but as soon as it starts to cool, it becomes hard and starts to solidify. Perth is fortunate to have a year-round climate that is warm enough to employ hot mix asphalt, unlike some other nations where it can only be used during the summer.

What are the types of asphalt?

Natural Asphalt: Two varieties of natural asphalt are lake asphalt and rock asphalt. Lake asphalt can be discovered as fossil layers in places like Trinidad's lakes at depths of 3 to 60 metres. It contains about 30% water and is composed of bitumen that ranges in purity from 40% to 70%.

Residual Asphalt is produced by distilling a mixture of crude petroleum oil and a spherical base.

Mastic Asphalt: This type of asphalt is created by mixing liquid black bitumen with the necessary minerals, such as limestone, dust, and fine and coarse particles. As it cools, it solidifies into a solid, elastic block. It is used for paving and waterproofing and is reheated on the project site. Long-lasting, tough, water-resistant, non-absorbent, non-flammable, and quiet are all characteristics of mastic asphalt.

Asphalt Cement: This substance, which is a blend of bitumen, asphalt, and flux oils with adhesive qualities, is used to create mastic asphalt. It is preferred for the creation of bituminous pavements.

Cutback Asphalt: A petroleum-based solvent and asphalt cement are combined to create this liquid asphalt. They are utilised in bituminous coatings, roof repairs, and other applications because they reduce asphalt viscosity for lower temperatures.

Small asphalt cement globules are suspended in 50–60% water with a 1% emulsifying ingredient to create asphalt emulsion. Examples of low-temperature applications include tack coatings, fog seals, slurry seals, bituminous surface treatments, and material stabilisation.

What is the difference between hot mix asphalt, warm mix asphalt, and cold mix asphalt?

Hot mix asphalt is utilised on city roadways and highways because it is pliable and water-resistant. Up to 350 degrees Fahrenheit are used to heat and pour it. Compared to hot mix asphalt, warm mix is produced at lower temperatures and cools more slowly. Warm mix asphalt is also easier to ship than hot mix and is better for the environment. Last but not least, cold mix asphalt is a cost-effective, user-friendly mix for winter construction and pothole repairs. For retail sales, cold mix asphalt can be placed in bags.

On roads, interstates, and highways, hot mix is dispersed and rolled. Warm mix is excellent for tunnels and days when the air quality is poor and can be used on roads and highways as well. For pothole and crack repairs, cold mix can be applied in both cold and warm climates, and it even outlasts the nearby pavement. Cut-back asphalt is used by contractors for tack coats, fog seals, slurry coats, and as a stabilising component in mixes, whereas mastic asphalt is utilised for construction, rooftop waterproofing, and underground storage.

Asphalt is a common material used by architects while building dams, reservoirs, playgrounds, and parks. Asphalt is used by farmers to line the bottom of cattle containment pens and retention ponds where they produce fish. A great way to stop soil erosion and flooding is using asphalt. Asphalt is used by auto manufacturers to shield automobile fenders and hoods from rust and noise from the road.

How to prepare asphalt paving and surface?

Before applying the asphalt pavement, the surface must first be prepared by employing an asphalt distributor to spray a thin layer of liquid asphalt binder. This aids in strengthening the relationship between the freshly paved surface and the ground below it. The mix is spread out using an asphalt paver and compacted using asphalt rollers once it has arrived at the construction site. The final quality of the asphalt pavement is greatly influenced by the quality of the asphalt mix and its compaction, in addition to how well the asphalt is laid. The right rolling techniques must be applied to provide optimum compaction.