Asphalt Tests - Pavement Interactive

Asphalt Mixture Performance Test. Overview The asphalt mixture performance tester (AMPT) is the companion performance test for use with the Superpave mix design...

What Is The Density Of Asphalt Wearing Course? | Knologist

The density of asphalt wearing course, or the thickness of the asphalt, is a measure of how much asphalt is being worn down over time. The thicker the asphalt, the slower it wears down. Is Binder The Same As Asphalt? There is no one answer to this question as it depends on the specific context of each situation.

Asphalt Pavement Construction - Asphalt Institute

Note paragraph 3.1 from the standard reads: 3.1 Samples obtained in accordance with the procedure given in this practice may be used to measure pavement thickness, density, resilient or dynamic modulus, tensile strength, Marshall or Hveem stability, or for extraction testing, to determine asphalt content, asphalt properties and mix gradation.

How many tons in a cubic yard of Asphalt - Civil Sir

How much does a cubic metre of asphalt weigh. A cubic meter of hot asphalt mix, which visually is 1 meter long by 1 meter wide by 1 meter tall, can weigh 2.4 tons or 4800 pounds, which is approximately equal to 4050 pounds or 2.025 tons per cubic yard, or 145 pounds or 0.0725 tons per cubic foot. How much does a cubic yard of asphalt cover

PDF Safety Data Sheet Asphalt - Sinclair Oil Corporation

Asphalt: Oral rat LD50>5000 mg/kg, Inhalation rat LC50 >94.4 mg/m3, Dermal rabbit LD50 >2000 mg/kg Polyethylene Polyamines: Oral rat LD50 3360 mg/kg, Inhalation rat LC50 3 mg/L/4 hr SECTION 12: ECOLOGICAL INFORMATION Ecotoxicity: Asphalt: 96 hr LL50 Oncorhynchus mykiss > 1000 mg/L, 48 hr EC50 daphnia magna 1000 mg/L, 72 hr EL50

PDF Hot-Mix Asphalt Material Properties - South Carolina Department of ...

Hot-Mix Asphalt Material Properties . SCDOT Designation: SC-M-402 (03/11) 1. SCOPE. 1.1 Use the following specifications for preparing, constructing, and accepting Hot-Mix Asphalt (HMA) material properties. NOTE: Refer to the Standard Specifications, Division 300 for HMA Base Courses and on 400 for HMA Surface and Divisi

PDF DENSITY OF ASPHALT CONCRETE - HOW MUCH IS NEEDED? - Energy

asphalt mixtures.A mixture that is properly designed and compacted will contain enough air voids to prevent rutting due to plastic flow but low enough air voids to prevent permeability of air and water. Since density of an asphalt mixture varies throughout its life the voids must be low enough

Asphalt Concrete - Density - Strength - Melting Point - Thermal ...

Asphalt consists of compounds of hydrocarbons. Summary Density of Asphalt Concrete Typical densities of various substances are at atmospheric pressure. Density is defined as the mass per unit volume. It is an intensive property, which is mathematically defined as mass divided by volume: ρ = m/V

An Analysis of Hot Mix Asphalt Mat Density Measurements

Hot mix asphalt mat density data collected during the 1990-1993 implementation of a quality control and quality assurance (QC/QA) program for pavement construction by the Alabama Highway Department (AHD) were analyzed. The influence of different measuring agencies (buyer and seller), mix type, application rate, and overlay interface ...

Density of Concrete, Asphalt in 285 units of density - Aqua-Calc

Concrete, Asphalt weighs 2.243 gram per cubic centimeter or 2 243 kilogram per cubic meter, i.e. density of concrete, Asphalt is equal to 2 243 kg/m³. In Imperial or US customary measurement system, the density is equal to 140.0259 pound per cubic foot [lb/ft³], or 1.2965 ounce per cubic inch [oz/inch³] .

PDF SECTION 334 SUPERPAVE ASPHALT CONCRETE - Florida Department of ...

of the asphalt mixture subject to the following requirements: 1. Consider the recycled crushed glass a local material and meet all requirements specified in 902-6. 2. Limit the amount of recycled crushed glass to a maximum of 15% by weight of total aggregate. 3. Use an asphalt binder that contains a minimum of 0.5% anti-stripping agent by

ASPHALT CALCULATOR [How Much Asphalt do I Need?]

The calculator would perform the following estimations to work out the weight of the asphalt: $$Area = Length times Width = 4,ft times 20,ft = 80,ft^2$$ $$Volume = Area times Depth = 80,ft^2 times 6,in = 40,ft^3$$ $$Weight = Volume times Density = 40,ft^3 times 140,lb/ft^3 = 2.8,t$$

Relative Density of Asphalt | PDF - Scribd

1. Scope 1.1 This test method covers the determination of relative density by water displacement of hard pitches and asphalts with softening points above 70C. 1.2 The relative density of hard pitch and asphalt shall be determined, whenever possible, on homogeneous natural fragments free of cracks. The use of cast cubes is not recommended due to ...

PDF DENSITY OF ASPHALT CONCRETE - HOW MUCH IS NEEDED? - Auburn University

controlled by asphalt content, compactive effort during construction, and additional compaction under traffic. The density requirements and the methods of measuring density vary considerably from state to state. Some states construct a control test strip, measure the density on the strip, and use that density as the target density for the project.

Asphalt - Wikipedia

In French, the term asphalte is used for naturally occurring asphalt-soaked limestone deposits, and for specialised manufactured products with fewer voids or greater bitumen content than the "asphaltic concrete" used to pave roads. The word "bitumen" is from Latin, and passed via French into English.

Asphalt Calculator - How Much Asphalt Do I Need? - ToolCrowd

Asphalt Weight = Asphalt Volume x Material Density Asphalt Weight = 0.075m 3 x 2,340 kg/m 3 Asphalt Weight = 175.5 kg (386.91 lbs) As shown, if we multiply the per-square-meter volume by the typical density of hot-mix asphalt, we end up with a final weight of 175.5 kg or 386.91 lbs per square meter of asphalt. Quick Reference Information

What is the typical density of asphalt? - Short-Facts

Standard density for asphalt is 145 lb/ft3 (2322 kg/m3). Multiply the volume by the density (in the same units) to get the weight. How do you find the density of asphalt? Density is usually shown as a percent of maximum theoretical (Gmm) or the specific gravity of the in-place compacted density divided by the Gmm.

Asphalt Pavement Thickness and Mix Design - Asphalt Institute

Air voids is a reverse proportion of the density of the compacted mix. By specifying a density requirement, the voids are inversely controlled. Keep in mind that density is a relative term, compared to a target density of either lab compacted mix, a maximum theoretical density, or a control strip density.

What is the density of asphalt paving? - Quora

In actuality, the average density is likely closer to 138-140 pcf for most asphalt mixes. Ciro Pabon B.S. in Civil Engineering & Highway Engineering, Universidad La Gran Colombia (Graduated 1984) Author has 5.7K answers and 12.4M answer views Updated Jun 15 Related Why are some roads concrete surface and some asphalt surface? Capital cost.

Density of Asphalt, crushed in 285 units of density - Aqua-Calc

Precision: Asphalt, crushed weighs 0.721 gram per cubic centimeter or 721 kilogram per cubic meter, i.e. density of asphalt, crushed is equal to 721 kg/m³. In Imperial or US customary measurement system, the density is equal to 45.011 pound per cubic foot [lb/ft³], or 0.4168 ounce per cubic inch [oz/inch³] .

Density of bitumen/asphalt - Mettler Toledo

The density of bitumen, also called asphalt, is an important indicator of its mass, and is used to determine its commercial value. In addition, following distillation, density is used to assess bitumen quality for classification purposes, and indicates the range of applications different bitumen grades can accommodate.

PDF DENSITY PROFILING OF ASPHALT PAVEMENTS - Colorado Department of ...

Asphalt pavement density measurements were made using a conventional nuclear density gauge and a new type of non-destructive density meter called the "Pavement Quality Indicator." Five sets of density tests were made at each of the nine sites during, or immediately following paving operations between July and September, 2004.

PDF Choosing the Right Asphalt Mix For the Right Road - NCDOT

* Each inch of ABC counts as ½ inch of asphalt. Example 2 • "hourly ESALs" = (30 tractor trailers) + (45 single units)/3 = 45 • From Chart, mix type should be C. • Thickness is less than 7, so it may be better to use a B-level mix. One More Example

Standard Test Method for Density of Semi-Solid Asphalt Binder ...

1. Scope. 1.1 This test method covers the determination of the relative density and density of semi-solid asphalt binder by use of a pycnometer. Note 1: An alternate method for determining the density of asphalt binder is Test Method D3289. For materials which are too fluid for use of this test method, use Test Method D3142/D3142M.

Sampling Asphalt Mixtures and Density Testing References

An asphalt density lot size shall equal one paving day's production per mix. A lot shall be divided into a minimum of five equal sublots. A sublot shall not be greater than 500 tons. When a paving day's production per mix is greater than 2,500 tons, then each sublot size shall be 500 tons or fraction thereof ...

Asphalt Calculator - How much asphalt do you need?

Standard density for asphalt is 145 lb/ft 3 (2322 kg/m 3 ). Multiply the volume by the density (in the same units) to get the weight Supported measurement units include inches, feet, yards, meters, and centimeters.

How do you find the density of asphalt? - Wise-Answer

What is the density of hot asphalt? Average Density readings to 0.1 lb/ft3 . Why is density of asphalt important? Density is one of the most important parameters in construction of asphalt mixtures. A mixture that is properly designed and compacted will contain enough air voids to prevent rutting due to plastic flow but low enough air voids to ...

Asphalt Compaction Rolling Patterns to Help Achieve Target Density and ...

Keeping compactors in the proper rolling zone to achieve target density requires the right asphalt rolling patterns. Make the first pass toward the paver with vibration on. Stop forward motion of the compactor, rolling in a slight arc toward the center of the panel, a safe distance behind the paver and crew.

Asphalt - Types, Properties, Uses and Disadvantages - VEDANTU

Asphalt is also referred to as bitumen whose main source is petroleum from where it is derived as the semi-solid compound and it is a thick, sticky, black, highly viscous liquid. It is classed as pitch and it is found in both natural deposits as well as in refined products. Asphaltum was the term that was used for asphalt before the 20th century.

What Is Asphalt Made of? | A-Rock Asphalt

Asphalt is simply a sticky, viscous, semi-solid petroleum oil. Its main ingredients are aggregates and asphalt cement (binder.) Aggregates are mineral aggregates that have been processed, including crushed rock, sand, gravel, slags, and different recyclable materials. Asphalt cement is used to bind the aggregates to create a cohesive mixture.

How much does density matter? | Asphalt magazine

The normal target in-place density on a "dense" hot-mix asphalt pavement is 92 to 93 percent of Gmm (or 7 to 8 percent air voids). If a pavement has low density (usually defined as less than 92 percent of Gmm), the air voids are interconnected and premature pavement distresses can result.

Pavement Manual: Hot-Mix Asphalt Pavement Mixtures

Hot-mix asphalt (HMA) is a generic term that includes many different types of mixtures of aggregate and asphalt cement (binder) produced at elevated temperatures (generally between 300-350ºF) in an asphalt plant. Typically, HMA mixtures are divided into three mixture categories: dense-graded; open-graded; and gap-graded as a function of the ...