ASPHALT | meaning in the Cambridge English Dictionary

asphalt definition: 1. a black, sticky substance, often mixed with small stones or sand, that forms a strong surface…. Learn more.

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.

Maximum Aggregate Size & Nominal Maximum Aggregate Size

Jan 24, 2013· In the gradation example above, the nominal maximum particle size is 3/4" because the 3/8" is the first sieve to retain more than 10% of the material (11%) under the MS-2 definition. In yet another definition, the Asphalt Institute's SP-2 guide for Superpave Mix Design defines maximum size as "one sieve size larger than the nominal maximum size".

Field Manual for Crack Sealing in Asphalt Pavements (0 ...

the asphalt pavement. Backer Rod When sealing large cracks, it is impor-tant that the sealant does not drain to the bottom of the crack. To prevent this, sand or backer rods may be placed in the cracks before the placement of the sealant. As seen in Figure 3, using a backer rod when appro-Figure : Hot Air Lance

Division 9 Materials

The sand/silt ratio is defined as the percent of material passing the No. 10 sieve divided by the percent of material passing the No. 200 sieve. ... 9-02.1 Asphalt Material, General Asphalt furnished under these Specifications shall not have been distilled at a

Asphalt, Bitumen and Tar – Types, Difference and Comparison

Asphalt cement is plastic in nature and it is used for flooring, roofing, water proofing material etc. Mastic Asphalt Mastic asphalt is obtained by heating natural asphalt with sand and mineral fillers. It is impermeable matter does not contain any voids. Hardness and melting point of mastic asphalt can be managed during the process of heating.


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 …

What is Hot Mix Asphalt Pavement? - Asphalt Pavement ...

Asphalt pavement refers to any paved road surfaced with asphalt. Hot Mix Asphalt (HMA) is a combination of approximately 95% stone, sand, or gravel bound together by asphalt cement, a product of crude oil. Asphalt cement is heated aggregate, combined, and …

Runoff Coefficient (C) Fact Sheet

C Land Use. C Busin Do Ne 0 0 Lawn San San San Hea Hea Hea.05 0 15 .13 8 .25 ess: wntown areas ighborhood areas 0.7 0.5 - 0.95 - 0.70 . s: dy soil, flat, 2% dy soil, avg., 2-7%

sand asphalt - Traduction française – Linguee

De très nombreux exemples de phrases traduites contenant "sand asphalt" – Dictionnaire français-anglais et moteur de recherche de traductions françaises.

Aggregate Base Course | Acme Sand & Gravel

Aggregate Base Course . Aggregate Base Course often referred simply as ABC, has certain desirable properties. Base Course in pavements refers to the sub-layer material of an asphalt roadway and is placed directly on top of the undisturbed soil (Sub-Grade) so as to provide a foundation to support the top layers of the pavement.


FOR ASPHALT SURFACING DIVISION 40 INDEX ... Gravel, Sand and Stone Block for Use as Highway Materials ASTM D-140 Sampling Bituminous Materials ASTM D-242 Specification for Mineral Filler for Bituminous Paving Mixtures ASTM D-4125 Standard Test Method for Asphalt Content of …

Asphalt – Wikipedia

Asphalt ist eine natürliche oder technisch hergestellte Mischung aus dem Bindemittel Bitumen und Gesteinskörnungen, die im Straßenbau für Fahrbahnbefestigungen, im Hochbau für Bodenbeläge, im Wasserbau und seltener im Deponiebau zur Abdichtung verwendet wird. Aus technischen und wirtschaftlichen Gründen sind Asphaltbefestigungen in verschiedenartige Schichten unterteilt.

asphalt - definition and meaning

noun This material mixed with crushed stone gravel or sand, used for paving or roofing. transitive verb To pave or coat with asphalt. from The Century Dictionary. To cover or treat with asphalt…

Are There Different Types Of Asphalt And If So, What ...

The two types of asphalt are very similar, but they do have a slight difference. The 41A is also known as the driveway mix, as it is commonly used for driveways. The 41A has a mixture of rock and sand that is very fine in diameter with an oil content up to a 6.0%. The oil content is added to the mixture to combine, then applied to the area for ...

Aggregates Glossary, Qualified Materials, Engineering

Feb 05, 2020· HMA sand (bnk run other surf course) - Unwashed fine aggregate ("bank run") for other than Hot Mix Asphalt surface course. LA - Los Angeles Test for wear, in percent. mixed color glass - Recycled (mixed color) crushed container glass for use in …

» Asphalt Concrete

Asphalt Concrete is a composite material commonly used in construction of roads, highways, airports, parking lots, and many other types of pavement. It is commonly called simply asphalt or blacktop. The terms "asphalt concrete", "bituminous asphalt concrete" and the abbreviation "AC" are typically used only in engineering and ...

Sand Equivalent – Pavement Interactive

The term "sand equivalent" expresses the concept that most fine aggregates are mixtures of desirable coarse particles (e.g., sand) and generally undesirable clay or plastic fines and dust (ASTM, 2003 [1]).These materials can coat aggregate particles and prevent proper asphalt binder-aggregate bonding.

Asphalt Seal-Coat Treatments

A sand seal is a sprayed application of asphalt emulsion followed by a covering of clean sand or fine aggregate (figure 4). A pneumatic-tire roller is often used after applying the sand. Excess sand is removed from the road surface after rolling. Sand seals enrich weathered pavements and fills fine cracks in the pavement surface.

11.19.1 Sand And Gravel Processing

11/95 Sand And Gravel Processing 11.19.1-1 11.19.1 Sand And Gravel Processing Process Description1-6 Deposits of sand and gravel, the unconsolidated granular materials resulting from the natural disintegration of rock or stone, are generally found in near-surface alluvial deposits and in subterranean and subaqueous beds.

Aggregate | Washington Asphalt Pavement Association

Aggregate. "Aggregate" is a collective term for sand, gravel and crushed stone mineral materials in their natural or processed state (NSSGA 1991). In 2009, the U.S. produced nearly 2 billion tons of aggregate at a value of about $17.2 billion. Roads and highways constitute31 percent of the total sand, stone and gravel market (NSSGA 2010).

Difference between Asphalt Sealing and Sand Slurry Sealcoating

Apr 17, 2017· Unlike asphalt sealing, sand slurry sealcoating has a non-slip, jet black texture once it's completely cured. Despite the fact that the upfront costs for sand slurry sealcoating are higher than for asphalt sealing, the cost per year of service is much lower and will save the property owner significant maintenance costs over the long run.


There are a wide variety of hot mix asphalt compositions used in Maryland that vary from fine to coarse in size and gradation. Furthermore,Maryland hot mix asphalt mixtures utilize different aggregates or combinations of aggregates,the principal types being crushed stone,sand,gravel,bank run gravel,roofing shingles and recycled asphalt pavement.

Tar Sand - an overview | ScienceDirect Topics

James G. Speight PhD, DSC, in Asphalt Materials Science and Technology, 2016 1.3.1 Naturally Occurring. The bitumen that occurs in the tar sand deposits (oil sand deposits) of north-eastern Alberta is often incorrectly referred to as natural asphalt.In fact, the expression tar sand is commonly used in the petroleum industry to describe sandstone reservoirs that are impregnated with a heavy ...

What is Asphalt - EAPA

Asphalt is a mixture of aggregates, binder and filler, used for constructing and maintaining roads, parking areas, railway tracks, ports, airport runways, bicycle lanes, sidewalks and also play- and sport areas. Aggregates used for asphalt mixtures could be crushed rock, sand, gravel or slags. Nowadays, certain waste and by-products, such as ...

Aggregate Products

6A. 3/8"-1" washed stone. Can be round and or crushed. The Aggregate Resources and 4 th street mines have about 50% crush stone in their 6A. The Quincy and Midway mine has round. Used for concrete. Works well for drain fields and septic tanks.

What does asphalt mean?

Definition of asphalt in the dictionary. Meaning of asphalt. What does asphalt mean? ... mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing. asphalt, mineral pitch verb. a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of ...

Asphalt - definition of asphalt by The Free Dictionary

Define asphalt. asphalt synonyms, asphalt pronunciation, asphalt translation, English dictionary definition of asphalt. n. 1. See bitumen. 2. A mixture of bitumen with crushed stone gravel or sand, used for paving or roofing. tr.v. as·phalt·ed, as·phalt·ing, as·phalts To...

Balanced Mix Design (BMD) for Asphalt Mixtures

Sep 20, 2016· •Surface sand mix: passing No. 10, 15% passing No. 200, 9 to 14% asphalt •Asphaltic concrete for lower layers, VMA terminology used, 2.2% more VMA than current day mixes or ~0.9% higher binder conten t 1920s •

TruDefinition® Duration® Shingles | Owens Corning Roofing

With SureNail® Technology, strength and durability are built into every Duration® Series shingle, thanks to the unique fabric strip in the nailing area. This unique shingle design provides outstanding gripping power. Patented SureNail Technology. Breakthrough Design. Triple Layer Protection®.

What is Asphalt?

Feb 12, 2018· Asphalt Ingredients. So what is asphalt and its ingredients? There are actually two basic ingredients in asphalt. The first are aggregates; this is a mix of crushed stone, gravel, and sand.Aggregates make up about 95% of hot mix asphalt pavement.

define asphalt - Bing

Dictionary. Look it up. We couldn't find a definition. Try searching the web for . asphalt [ˈasfôlt] NOUN. asphalt (noun) a mixture of dark bituminous pitch with sand or gravel, used for surfacing roads, flooring, roofing, etc. the bituminous pitch used in making asphalt, sometimes found in natural deposits but usually made by the ...

Chapter 2 Asphalt and Asphalt Paving Materials

inert materials such as sand, gravel, crushed stone, slag, or rock dust. Properly selected and graded aggregates are mixed with the cement-ing medium asphalt to form pavements. Aggregates are the principal load-supporting components of an Asphalt Concrete pavement. They total 90 to 95 percent of the mixture by weight and 75 to 85 percent by volume.