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Asphalt | Definition of Asphalt by Merriam-Webster

Asphalt definition is - a dark bituminous substance that is found in natural beds and is also obtained as a residue in petroleum refining and that consists chiefly of hydrocarbons.

Glossary of Asphalt Paving Terms - ACPLM Tampa Paving ...

A process of building an asphalt pavement structure with asphalt products for each component. The base and surface are comprised of specific hot-mix asphalt grades. There are all sorts of advantages to this approach to construction. Geotextiles. This is a technical moniker for fabric-esque materials used during the paving process.

Glossary of Terms - Asphalt Institute

This is an alphabetical listing of the terms and descriptions commonly used in the asphalt industry.* ASTM Definitions** Transportation Research Board Definitions A Absolute Viscosity: A measure of the viscosity of asphalt with respect to time, measured in poises, conducted at 60°C (140°F). The test method utilizes a partial vacuum to induce flow in the viscometer.Aggregate Spreaders ...

Asphalt - Designing Buildings

Asphalt - Designing Buildings - Share your construction industry knowledge. Asphalt is a mixture of asphalt cement and aggregates, hot-mixed in an asphalt plant and then laid hot to form the surface course of a flexible pavement. Asphalt paving provides a stable, safe and durable road surface.

Understanding Asphalt Road Construction

If you need a reliable, experienced paving contractor to help with your road construction and street maintenance, contact Alpha Paving. We install asphalt paving and overlays, and we also offer repairs, asphalt sealcoating, asphalt milling, parking …

Tarmacadam, Bitmac and Asphalt - Construction Layers ...

The construction of a typical bitmac footpath is covered in more detail on the Laying Drives and Paths page. There should be at least 4 layers to all bitmac pavements: Surface course. The top layer of bitmac providing the running surface. Binder course (s) The first layer of bitmac. Sub-base. A …

Understanding Asphalt Road Construction

If you need a reliable, experienced paving contractor to help with your road construction and street maintenance, contact Alpha Paving. We install asphalt paving and overlays, and we also offer repairs, asphalt sealcoating, asphalt milling, parking lot striping, concrete work, and many other pavement-related services.

Asphalt concrete - Wikipedia

Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. Asphalt mixtures have been used in pavement construction since the beginning of the twentieth …

Chapter 2 Asphalt and Asphalt Paving Materials

Asphalt Paving Materials 2-1 Chapter 2 Asphalt and Asphalt Paving Materials ASPHALT DEFINED The black cementing agent known as asphalt has been used for road construction for centuries. Although there are natural deposits of asphalt, or rock asphalt, most used today is produced by the oil refining industry. Asphalt is a constituent of most ...

GENERAL ASPHALT AND CONCRETE TERMS AND …

GENERAL ASPHALT AND CONCRETE TERMS AND DEFINITIONS . ASPHALT RELATED . AGGREGATE: Any hard, inert mineral material, such as gravel, crushed rock, slag, or crushed stone, used in pavement applications either by itself or mixed with liquid asphalt binder. Different types and sizes of aggregate

Asphalt Paving Design Guide

The Asphalt Pavement Association of Oregon is a non-profit trade association representing contractors and associated firms. APAO was formed in 1969 by a small group of asphalt paving contractors to develop improved specifications and products. The Association and its members are dedicated to promoting asphalt pavements by developing pro-

STANDARD CONSTRUCTION SPECIFICATIONS FOR …

construction of a seal coat of asphalt cement and cover aggregate on RAP, strip-paved, and gravel surfaces. Article 2.2 Asphalt The Contractor shall submit a certified analysis of the proposed asphalt from the refinery laboratory to the Engineer for review and approval. A copy of the certified analysis shall

GENERAL ASPHALT AND CONCRETE TERMS AND DEFINITIONS

GENERAL ASPHALT AND CONCRETE TERMS AND DEFINITIONS . ASPHALT RELATED . AGGREGATE: Any hard, inert mineral material, such as gravel, crushed rock, slag, or crushed stone, used in pavement applications either by itself or mixed with liquid asphalt binder. Different types and sizes of aggregate

DESIGN AND CONSTRUCTION GUIDELINES FOR FULL …

Asphalt Emulsion - A combination of asphalt, water, and small amount of an emulsifying agent processed in a colloid mill. The asphalt is sheared into tiny droplets and the emulsifier (a surface-active agent) keeps the asphalt droplets in a stable suspension and controls the …

Asphalt - Wikipedia

construction of a seal coat of asphalt cement and cover aggregate on RAP, strip-paved, and gravel surfaces. Article 2.2 Asphalt The Contractor shall submit a certified analysis of the proposed asphalt from the refinery laboratory to the Engineer for review and approval. A copy of the certified analysis shall

Advantages of Asphalt - EAPA

This construction method creates the smooth and quiet ride with low rolling resistance, which makes possible up to 5% reductions in fuel consumption and CO 2 emissions for passing vehicles. These features benefit airport users too. Asphalt runways and taxiways mean safer landings and take offs, because such surfaces are smoother and easier to ...

What is Asphalt - EAPA

Nowadays, certain waste and by-products, such as construction and demolition debris, are being used as aggregates, which increases the sustainability of asphalt. In order to bind the aggregates into a cohesive mixture a binder is used. Most commonly, bitumen is used as a binder, although nowadays, a series of bio-based binders are also under ...

Asphalt Pavement Construction - Asphalt Institute

At one time it was thought that a prime coat was an essential element of good pavement construction. However, in recent years some engineers have eliminated the use of a prime, especially when asphalt layer(s) (surface and/or base) is 4 inches or more in thickness.