hot mix asphalt density

Asphalt Mixtures Calculator - Vulcan Materials Company

Asphalt Mixtures Enter the width, length and thickness, then hit the “Calculate” button to calculate your estimate. You may also revise the default density value of 145 lbs/cubic ft. Actual densities may vary depending on the components of the mix.

Three Hot Mix Asphalt Types

Jan 14, 2019 · Dense-Graded Mixes This hot asphalt mix is the most common mix used because it can provide great impermeable characteristics allowing water to run away from the surface area. The name comes from the aggregate size used while mixing the raw materials to produce the asphaltic …

HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

HOT MIX ASPHALT WHAT IS HOT MIX ASPHALT? Hot mix asphalt may be referred to by several names. In different sections of the state it may also be referred to as bituminous ,hot plant mix,asphalt , blacktop or Superpave. Hot mix asphalt is composed of aggregate bound together into a solid mass by asphalt cement. The aggregates total

Hot Mix Asphalt Density Inspector Certification Program ...

Opportunities for taking a written certification retest if the written test is failed can be made by contacting the CCET office at 607-587-4015 or sending an email to CCET. A failed exam can be taken up to two (2) times from within the original date of testing. The cost is for each retest attempt.

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.

Hot Mix Asphalt | Asphalt Calculator | Calculate Aggregate ...

Overview. Hot mix asphalt (HMA) pavement refers to the bound layers of a flexible pavement structure. Asphalt pavement material is a precisely engineered product composed of about 95 percent stone, sand, and gravel by weight, and about 5 percent asphalt cement, a petroleum product.

Pavement Manual: Hot-Mix Asphalt Pavement Mixtures

For the case of a dense-graded mixture designed using the Texas Gyratory Compactor (TGC), once optimum asphalt cement is determined, new samples are molded to 93% theoretical maximum density in the Superpave Gyratory Compactor (SGC)...

Asphalt Calculator - How much asphalt do you need?

Example

National Asphalt Pavement Association

To determine the weight of material multiply the volume by the density of material: Weight = Volume × Density. Using the previous example and assuming an asphalt pavement mixture density of 145 pounds per cubic foot (pcf) and a thickness of 4" we would perform the following calculations. Volume = 17,257 sq…

HMA Pavement Mix Type Selection Guide

HMA Pavement Mix Type Selection Guide Introduction Background Our nation’s roadway system is critical to our economy. Hot Mix Asphalt (HMA) pavements consti-tute a large part of our nation's surfaced roads. HMA pavements serve in a multitude of traffic and environ-mental conditions, demanding that the materials and

how do you calculate the density of hot mix (asphalt) just ...

Jul 04, 2007 · Density of hot mix before compaction can easily be calculated, d1 = (Wt. of filled truck - Wt. of empty truck)/filled volume of truck's container After ccompaction, take a flat piece of Compacted...

Density of Concrete, Asphalt in 285 units and reference ...

Concrete, Asphalt weighs 2.243 gram per cubic centimeter or 2 243 kilogram per cubic meter, i.e. density of , Asphalt is equal to 2 243 kg/m³. In Imperial or US customary measurement system, the density is equal to 140 pound per cubic foot [lb/ft³], or 1.297 ounce per cubic inch [oz/inch³] .

Densities for Use in

The following densities should be used for estimating quantities of Hot Mix Asphalt (HMA) material. Table 1: HMA Densities . Material Density Density Values for Scott County Projects Density Values for District 6 . HMA . 145 pcf — — Crushed HMA for use as Subbase : 127 pcf — — Base Course . 145 pcf 155 pcf : 150 pcf . Intermediate Course 147 pcf 155 pcf 150 pcf Surface Course 147 pcf ...

THEORETICAL MAXIMUM SPECIFIC GRAVITY (G ) AND …

THEORETICAL MAXIMUM SPECIFIC GRAVITY (Gmm) AND DENSITY OF HOT MIX ASPHALT (HMA) PAVING MIXTURES FOP FOR AASHTO T 209 Scope This procedure covers the determination of the maximum specific gravity (Gmm) of uncompacted hot mix asphalt (HMA) paving mixtures in accordance with AASHTO T 209-12. Two methods using two different containers – bowl and flask – are covered. …

Item 341 Dense-Graded Hot-Mix Asphalt

Item 341 Dense-Graded Hot-Mix Asphalt 1. DESCRIPTION Construct a hot-mix asphalt (HMA) pavement layer composed of a compacted, dense-graded mixture of aggregate and asphalt binder mixed hot in a mixing plant. Payment adjustments will apply to HMA placed under this specification unless the HMA is deemed exempt in accordance with Section 341.4.9.4., “Exempt Production.” 2. MATERIALS …

Compaction of Hot Mix Asphalt Concrete

The basic objective of compacting asphalt is to obtain density in the mix sufficient to develop the necessary mechanical properties and provide a durable and impermeable surface for the maximum possible life cycle, compatible with the inherent properties of the asphalt and aggregate components.

Asphalt Pavement Thickness and Mix Design | Asphalt Institute

Mix temperature is dependent on the grade of asphalt used in the mix. Less viscous the asphalt requires lower the temperatures, while more viscous asphalt requires higher temperatures.At the start of a mix design project, target temperatures are specified for proper mixing and compaction. These temperatures should be adjusted for project ...

Asphalt Pavement Density 1 - Generic Reviews ...

Mar 06, 2002 · Hot mix asphalt density was selected as a review topic for our 2002 joint review program. Attaining proper density of hot mix asphalt is critical to assuring the long-term durability of the completed pavement. Our review scope, procedures, and guidelines are attached.

SUBJECT: HOT MIX ASPHALT (HMA) MIXTURE DESIGN …

Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens. 19. AASHTO T 176 - Standard Method of Test for Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test. 20. AASHTO T 209 – Standard Method of Test for Theoretical Maximum Specific Gravity (Gmm) and Density of Hot Mix Asphalt (HMA). 21. AASHTO T 228 ...

Hot Mix Asphalt Testing Technician | cttp | University of ...

Pre-Requisite Requirements

Hot Mix Asphalt

Hot Mix Asphalt Develops and maintains statewide Hot Mix Asphalt (HMA) related policies, procedures and specifications for directing implementation of the statewide HMA mixtures program. Inspects and approves hot mix asphalt plants, maintains approved lists for truck bed release agents, warm mix technologies, and reclaimed asphalt shingle ...

What is the density of asphalt paving? - Quora

May 24, 2019 · 2400kg per cubic metre is a good generic density. Sorry if you use the imperical system, I'm sure you can convert it easy enough. In real life though, it's a good idea to calibrate this figure based on tonnage used, average depth and coverage, esp...

Properties Considered in Mix Design Superpave Mix …

of Hot Mix Asphalt BULK SPECIFIC GRAVITY OR DENSITY The density of the compacted mix is the unit weight of the mixture (the weight of a specific volume of HMA). Density is important because proper density in the finished product is essential for lasting pavement performance. Mix properties are required to be measured in volumetric terms as well as

Asphalt QMS - 2016

Asphalt QMS - 2016 iii Section 10: Roadway Inspection and Testing of Asphalt Pavements Page No. Subsection Change 10-6 10.1.7 Replaced +15 °F to -25 °F with ±±±± 25° F (mix …

Theoretical Maximum Specific Gravity - Pavement Interactive

Overview. The theoretical maximum specific gravity (Gmm) of a HMA mixture is the specific gravity excluding air voids. Thus, theoretically, if all the air voids were eliminated from an HMA sample, the combined specific gravity of the remaining aggregate and asphalt binder would be the theoretical maximum specific gravity. Theoretical maximum specific gravity can be multiplied by the density of ...

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Section 02741 - Hot Mix Asphalt (HMA)

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SECTION 02741. HOT MIX ASPHALT (HMA) PART 1 GENERAL. 1.1 SECTION INCLUDES. A. Products and procedures for placing and compacting a surface course of one or more layers of HMA comprised of aggregate, asphalt binder, hydrated lime, and other additives.

How to Calculate Asphalt Tonnage | Hunker

The weight of asphalt in tons required for a paving project may be readily calculated using a few simple tools and concepts. The weight of any substance in pounds is related to its weight density or compactness. Weight density is the number of pounds of a material contained in …

Hot Mix Asphalt Concrete Density, Bulk Specific Gravity ...

Hot Mix Asphalt Concrete Density, Bulk Specific Gravity, and Permeability . Yu Yan . Field permeability test using NCAT Permeameter were conducted at four project sites before and after the application of fog seal. Due to the fact that it is difficult to estimate the

Hot Mix Asphalt with Intelligent Compaction | Caltrans

Hot Mix Asphalt with Intelligent Compaction Proper compaction of hot mix asphalt is one of the most important process in construction of a long lasting pavement. Pavement materials must be compacted to optimum densities to ensure adequate support, stability, and strength—achieving these densities uniformly is the key to long lasting roadway performance.

Item 340 Dense-Graded Hot-Mix Asphalt (Small Quantity)

Dense-Graded Hot-Mix Asphalt (Small Quantity) 1. DESCRIPTION Construct a hot-mix asphalt (HMA) pavement layer composed of a compacted, dense-graded mixture of aggregate and asphalt binder mixed hot in a mixing plant. This specification is intended for small quantity (SQ) HMA projects, typically under 5,000 tons total production. 2. MATERIALS

IN-PLACE HOT MIX ASPHALT DENSITY ESTIMATION …

For the asphalt mixtures without slags, the average density prediction. errors of GPR were between 0.5% and 1.1% with two calibration cores, while those of the. nuclear gauge were between 1.2% and 3.1%.

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Section 02741 - Hot Mix Asphalt (HMA)

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The deduction is applied according to the UDOT Quality Management Plan 514 Hot-Mix Asphalt. C. Coat with asphalt binder 100 percent of the particles passing …

What is Hot Mix Asphalt Pavement?

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 mixed with the aggregate at an HMA facility. The resulting Hot Mix Asphalt is loaded into trucks for transport to the paving site. The trucks dump the Hot ...

Properties Considered in Mix Design Superpave Mix …

of Hot Mix Asphalt BULK SPECIFIC GRAVITY OR DENSITY The density of the compacted mix is the unit weight of the mixture (the weight of a specific volume of HMA). Density is important because proper density in the finished product is essential for lasting pavement performance. Mix properties are required to be measured in volumetric terms as well as

Hot Mix Asphalts 101 - New Jersey

Asphalt Rubber Applications • Asphalt rubber is the process of adding recycled, crumb rubber to hot mix asphalt (called dry process) or the asphalt binder (called wet process) to modify the final mixture • Difficult to use in dense-graded mixtures due to residual crumb rubber • Best used in gap-graded type mixtures (SMA and OGFC)

Superpave Mix Design - Pavement Interactive

AASHTO TP4: Preparing and Determining the Density of Hot-Mix Asphalt (HMA) Specimens by Means of the Superpave Gyratory Compactor Performance Tests The original intent of the Superpave mix design method was to subject the various trial mix designs to a battery of performance tests akin to what the Hveem method does with the stabilometer and ...

How to Calculate Asphalt Tonnage | Hunker

Consult the asphalt manufacturers if you do not know the weight density of the asphalt. In the example, use a typical weight density of 145 pounds per cubic foot. Now you have 145 pounds per cubic foot times 43.7 cubic feet, which equals 6,336.5 pounds.

Chapter 4 Construction Details

The job mix formula is accepted if Form CEM-3513, “Caltrans Hot Mix Asphalt Verification,” was issued within 12 months of proposed HMA production. The resident engineer signs and returns Form CEM-3511. 2. The job mix formula must be verified if Form CEM-3513 was not issued within 12 months of proposed HMA production.

Publications - Materials Manual | WSDOT

Bulk Specific Gravity and Density of Compacted Hot Mix Asphalt Using Automatic Vacuum Sealing Method. T 335 (PDF 266 KB) FOP for AASHTO for Determining the Percentage of Fracture in Coarse Aggregate. T 355 (PDF 566 KB) In-Place Density of Asphalt Mixtures Using the Nuclear Moisture-Density Gauge. T 413 (PDF 1.2 MB)

PAVING GRADE ASPHALT, PG64-22

The WSDOT specifications state PG64-22 asphalt at hot mix plants may be heated to a maximum temperature of 177°C (350°F). However, the preferred storage temperatures for PG64-22 is 140°C to 168°C (285°F to 335°F). Unnecessarily high temperatures result in increased hardening and heating costs. These temperatures should be verified with ...

Compacting Hot-Mix Asphalt Pavements: Part II | Roads ...

Dec 28, 2000 · of density when rolling is accomplished directly behind the paver-where the mix is the hottest. More density is usually obtained with one pass of the roller when the mix temperature is 250 F than with a similar pass when the mat is at 220 F. If the mix is tender and moves either longitudinally and/or transversely

How to Calculate Asphalt Weight Per Yard | Home Guides ...

NAPA estimates an average asphalt density of 145 pounds per cubic foot, or 3,915 pounds per cubic yard. For example, if your calculated volume is 25 cubic yards, multiplying 25 by 3,915 will give you an asphalt weight per cubic yard of 97,875 pounds, or about 49 tons.

Asphalt - Home

Hot Mix Asphalt Field Testing Equipment: 3/12/2010: ALDOT-350 : In-Place Bituminous Plant Mix Density Measurements: 9/1/2005 : ALDOT-353 : Field Method for Determining Air Void Content and Marshall Stability and Flow of Bituminous Mixtures: Deleted 8/24/2016: ALDOT-354 : Asphalt Content of Hot-Mix Asphalt by the Nuclear Method ...

Asphalt Calculator - Pavertrend | Asphalt | Hot Mix ...

To determine the amount of asphalt you will need for a paving job you first need to know the area to be paved. This may be simple if the area to be paved is square, rectangular or constant width of road. However, this is seldom the case.. Please refer to Measuring Guidelines. 2. How much does a ton of asphalt / Hot Mix cover? One ton of asphalt ...

How to convert asphalt pavement square yards to tons - …

Sep 27, 2018 · Determine the density of the hot mix asphalt from the laboratory mix design. Generally, about 2,245 kg/m3 or 140 lbs/ft3. Generally, about 2,245 kg/m3 or 140 lbs/ft3. Divide density of hot mix asphalt by volume to get mass per unit area.

HMA Paving Inspector – NETTCP

The Hot Mix Asphalt Paving Inspector Certification Course is designed for those individuals responsible for the inspecting, sampling and testing of hot mix asphalt in the field. Suggested participants would include contractor and supplier quality control personnel, consultants, testing firms and agency inspectors responsible for the quality and placement of hot mix asphalt. Cost: $575.00 for ...

What is the density of asphalt pavement - Answers

Apr 23, 2009 · The mass of the asphalt is depending on the density (M = V x d). Each grade of asphalt (bitumen) has a different density and can contain different additives; also the density is dependent on...

Asphalt | Boral

Boral launches high performance cold mix asphalt Damage to paved roads and footpaths are a safety hazard to vehicles and people. Left untreated, they can result in …

How to Asphalt Roller Patterns Achieve Density and ...

If the contractor does not own a plant and must purchase mix from another producer, the number of tons of mix to be purchased is usually a contract item and of predictable supply. Contractors also know the size and capacity of the transport trucks used to deliver hot mix asphalt (HMA) to the project. From experience, contractors estimate the ...

HMA PRODUCTION MANUAL

This manual is the combination of three separate Hot Mix Asphalt (HMA) manuals used in the design, production, and testing of HMA for the Michigan Department of Transportation (MDOT) projects and a Laboratory and Technician Qualification program.

SECTION 400 – ASPHALT PAVEMENTS SECTION 401 – …

SECTION 400 – ASPHALT PAVEMENTS SECTION 401 – QUALITY CONTROL/QUALITY ASSURANCE, QC/QA, HOT MIX ASPHALT, HMA, PAVEMENT 401.01 Description This work shall consist of one or more courses of QC/QA HMA base, intermediate, or surface mixtures constructed on prepared foundations in accordance with 105.03. 401.02 Quality Control

STANDARD CONSTRUCTION SPECIFICATIONS FOR …

necessary to complete the construction of hot mix asphalt pavement consisting of one or more courses on a previously prepared base, seal coat of asphalt cement and cover aggregate, and bituminous surface treatment in single or multiple courses. Article 1.2 Applicable Standards

Hot Mix Asphalt Inspections - S.T.A.T.E. Testing, LLC

Hot Mix Asphalt (HMA) Portland Cement Concrete (PCC) Miscellaneous Materials . Quality Assurance Oversight. Quality Assurance means representing our clients' interest to ensure quality construction on their projects. S.T.A.T.E. Testing brings a wide range of expertise that can be tailored to your project. From writing specifications to Quality Assurance testing, our team of professional ...

Chapter 11 MARSHALL METHOD OF ASPHALT …

MARSHALL METHOD OF ASPHALT-CONCRETE MIX DESIGN 11.1 INTRODUCTION Bituminous mixes (some times called asphalt mixes) are used in the surface layer of road and airfield pavements. The mix is composed usually of aggregate and asphalt cements. Some types of bituminous mixes are also used in base coarse. The design of asphalt paving mix, as with the

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Hot-Mix Asphalt Mixture IL-9.5FG

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HOT-MIX ASPHALT MIXTURE IL-9.5FG (CBM) Effective: July 1, 2005. Revised: May 10, 2019. Description. This work shall consist of constructing fine graded hot-mix asphalt (HMA) surface course or leveling binder with an IL-9.5FG mixture.

Division of Materials and Tests TDOT Certification: Hot ...

• Hot Mix Asphalt Placement • Joint Construction • Compaction • Density, Quality Control, and Quality Assurance Additional the course will cover updates to the specifications and SOPs over the previous 5 years. Prerequisites • Previous certification as an Asphalt Roadway Technician.

Why Tracking Temperatures is Key to Successful Asphalt …

Nov 20, 2019 · Thin pavement layers will cool quicker than thicker layers, and should the base or ambient temperature be low, the hot mix asphalt will cool quicker, density won’t be achieved and the patch will ...