hot mix asphalt hma volumetric calculations example

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)

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PDF Minimum VMA in HMA Based on Gradation and Volumetric

proper mix design of hot mix asphalt (HMA) mixtures is a time honored and fairly successful tool. Recent developments in the field of asphalt m~x design have encouraged the use of mixtures with a coarse aggregate structure to resist the affect of heavy traffic loads. By using the equations presented, which account

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Yaqob - Al-Rafidain Engineering Journal

Impacts Of Re-Heating And Compaction Temperatures On Hot Mix Asphalt. Volumetrics ... volumetric properties of the HMA mixtures. These effects were studied ...

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HMA Volumetrics Revisited - A New Paradigm

Simplistically, a hot-mix asphalt (HMA) material comprises three material components: • Air Voids • Mineral Aggregate • Bituminous Binder In production, the latter two materials are proportioned by mass (weight). It has long been acknowledged that the performance of HMA mixtures is more significantly influenced by the relative volumetric

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PDF Method of Test for Optimum Binder Content (Obc) for Hma

The volumetric calculations herein can be used in conjunction with any method of HMA volumetric mix design, including Hveem and Superpave among others. Notation . A widely used, consistent system of notation has been developed by The Asphalt Institute and established as a national standard. This system is used in this

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PDF Waqtc Tm 13 (19

ASPHALT II WAQTC WAQTC TM 13 (19) 54_TM13_short_19 redline Asphalt II 22-1 Pub. October 2019 . VOLUMETRIC PROPERTIES OF HOT MIX ASPHALT (HMA)ASPHALT MIXTURES WAQTC TM 13 . Scope . This procedure covers the determination of volumetric properties of plant produced Hot Mix Asphalt, i.e., air voids (V. a

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Analysis of Volumetric Properties of Bituminous Mixtures ... - TSpace

30 May 2017 ... available models for HMA volumetric analysis were developed without ... For computation of the VMA% by using the computer-vision procedure a normal. 110 ... Superpave sample has cylindrical shape, 15 cm diameter and ... image processing software for aggregates and hot mix asphalt characterizations.

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Investigation of In-Place Asphalt Film Thickness and

2009. 5. 15. — Hot-mix asphalt (HMA) is a mixture of asphalt cement, mineral aggregates ... In one of his first efforts to study the volumetric properties of asphalt mixtures, ... The asphalt film thickness was calculated in this study by assuming that all ... As an example, Table 2 shows the surface area factors computed using ...

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VOLUMETRIC ANALYSIS OF HMA MIXTURES

Volumetric Analysis of HMA Mixtures 46 - Classroom Exercise 1 - • Based on the information given for this problem, the following steps should be followed: – Calculate the Bulk Specific Gravity of the combined aggregate

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Develop a PWL System for Dense Graded Hot Mix Asphalt

There are three essential steps for the successful construction of hot mix asphalt (HMA) pavements: mix design, production, and quality control/quality assurance (QC/QA). Every State Highway Agency (SHA) has well documented procedures for each of the three steps. However,

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RC-1410 - Development of Laboratory ... - State of Michigan

and Trial Specifications for Hot Mix Asphalt: Final Report. 5. Report ... APPENDIX H: HMA SAMPLE BATCHING TABLES AND GRADATIONS. APPENDIX I: ... The volumetric calculations of voids in the mineral aggregate (VMA) and effective.

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Effect of Dust to Asphalt Ratio on the Rutting ... - Auburn University

1 Nov 2001 ... In the hot mix asphalt (HMA) construction industry, the need for accurate, consistent volumetric ... volumetric properties of the compacted samples. Because there was ... Also, VMA and VFA calculations were performed. Thus ...

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Hot Mix Asphalt (HMA) Level 2 Technician Recertification

The Hot Mix Asphalt (HMA) Level 2 Job Mix Technician course is intended to cover the ... samples; Mixing and compacting laboratory HMA samples; Maximum specific gravity (MSG); Bulk specific gravity (BSG; Calculating volumetric properties.

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PPT - Volumetric Calculations PowerPoint presentation

Title: Volumetric Calculations 1 Volumetric Calculations. How to analyze titration data ; and ; perform dilution calculations; 2 Volumetric procedures. Involve the careful measurement of volumes of solutions ; Dissolve materials in water and run reaction in solution - titration in Erlenmeyer flask (designed for swirling to mix reactants)

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APPENDIX I PROCEDURES FOR THE DETERMINATION OF

calculations and testing. 1. Theoretical Maximum Specific Gravity of the Mixture (Gmm) (AASHTO T 209) a. Test Method: The theoretical maximum specific gravity (Gmm) of uncompacted (loose) Hot-Mix Asphalt (HMA) mixtures for volumetric mix design and production Quality Control (QC) is to be performed according to the most current AASHTO T 209, Test

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An Assessment of WSDOT’s Hot-Mix Asphalt Quality Control and

Hot Mix Asphalt (HMA) is the major paving material for WSDOT which purchased almost 1.5 million tons per year over a five year period (from 2002 through 2006 (WSDOT, 2006a)). How the quality of this material is assured is a critical issue for any State DOT. During the last two decades, there has been a trend in the highway construction industry

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Development of new film thickness models for hot mix asphalt

Film thickness is one of many volumetric characteristics of HMA that are ... play different roles in the HMA aggregate structure, yet the definition of film ... (3) examine the impact of new models on hot mix asphalt job mix formulas used in Iowa.

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Chapter 3 Marshall Method of HMA Mix Design Manual for Dense

The original Marshall method is applicable only to hot mix asphalt paving mixtures containing ... compactive effort on the reheated mix to match the volumetric properties (such as ... One example of a computational formula is this equation:.

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A New Approach for Simulation of Hot Mix Asphalt

In this study a novel approach for 3D modeling of cylindrical sample of hot mix asphalt (HMA) is presented. To this end, the cylindrical sample was divided into several slices and using a developed al-gorithm the processed images were extended to 3D volumetric objects to reconstruct the 3D microstruc-ture of HMA.

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PDF 2017 Local Roads Workshop Mix Design Basics

HMA Volumetric Terms ... HMA Volumetrics 20 Example Calculations ... Hot Mix Asphalt Compaction. HMA Volumetrics 34 Percent Air Voids Calculated using both specific gravities G mb G mm Air voids = ( 1 - ) 100 Mass agg + AC Vol. agg, AC, Air Voids

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waqtc - State of Oregon

condition of the concrete being placed being careful not to obtain samples from the very ... VOLUMETRIC PROPERTIES OF HOT MIX ASPHALT (HMA). WAQTC ... the mix must be calculated because it is the quantity left after the aggregate has ...

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An empirical method for estimating surface area of aggregates in hot

Bitumen requirement in hot mix asphalt (HMA) is directly dependent on the ... volume of asphalt to surface area calculated using specific surface area factor needs ... Calculation of surface area of the sample using MS-2 model of asphalt ...

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superpave volumetric mixture design and analysis ... - CDN

average of the two samples after RTFO aging, and is calculated by: ... (1) For Commercial Grade Hot Mix Asphalt (HMA) - see Section 611 of the 2015 KDOT ...

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HMA Volumetrics Revisited - A New Paradigm - Institute for

Simplistically, a hot-mix asphalt (HMA) material comprises three material components: ... of these parameters; for example, upon analyzing a mixture, it may appear ... If Equation 5 is plotted on a graph of Specific Volume against binder content ...

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SUPERPAVE VOLUMETRIC MIXTURE DESIGN AND ANALYSIS HANDBOOK

performance prediction. The system includes an asphalt binder specification, a hot-mix asphalt (HMA) design and analysis system, and computer software that integrates the system components. The Superpave binder specification and mix design system include various test equipment, test methods, and criteria. The criteria are dictated by the traffic,

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BULK SPECIFIC GRAVITY (G ) OF COMPACTED HOT MIX ASPHALT (HMA

This procedure covers the determination of bulk specific gravity (Gmb) of compacted hot mix asphalt (HMA) using three methods – A, B, and C – in accordance with AASHTO T 166-12. This FOP is for use on specimens not having open or interconnecting voids or absorbing more than 2.0 percent water by volume, or both. When specimens have open or

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5.10.4. CALCULATIONS FOR THE MARSHALL MIX DESIGN OF

Obtain the specific gravity of the extracted asphalt and calculate the specific gravity of the ... Paving Mixture: Bulk specific gravity of compacted paving mixture sample. ... NOTE: The volume of asphalt binder absorbed by an aggregate is almost ...

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PDF) Analysis of Aggregate Gradation and Packing for Easy

2020. 10. 8. — A new definition is proposed for characterizing traditional dense-graded aggregate gradations into three types: ... Models to calculate f v with different sizes … ... important volumetric parameters for hot-mix-asphalt (HMA) mix-.

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PDF Hot mix asphalt using C&D waste as coarse aggregates

Hot mix asphalt using C&D waste as coarse aggregates I. Pérez1; A. R. Pasandín; L. Medina Universidade da Coruña. E. T. S. I. Caminos, Campus de Elviña, 15071 A Coruña, Spain Abstract This article evaluates the possibility of designing hot asphalt mix road pavements using Construction and Demolition Waste as coarse recycled aggregates.

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PRACTICE FOR SUPERPAVE VOLUMETRIC DESIGN FOR HOT

FOR HOT MIX ASPHALT (HMA). AASHTO R 35. GLOSSARY ... terminology and definition apply only to Superpave mix design.) Nominal maximum aggregate ...

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AN EVALUATION OF SUPERPAVE GYRATORY COMPACTION

AN EVALUATION OF SUPERPAVE GYRATORY COMPACTION OF HOT MIX ASPHALT Rajib B. Mallick, Shane Buchanan, E.R. Brown, and Mike Huner INTRODUCTION Background About 85 percent of hot mix asphalt (HMA) by volume consist of mineral aggregate. One of the most important properties of the aggregate in a HMA mix is the gradation. Normally, a “0.45

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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 concrete,hot plant mix,asphalt concrete, blacktop or Superpave. Hot mix asphalt is composed of aggregate bound together into a solid mass by asphalt cement. The aggregates total

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Chapter 44 PAVEMENT DESIGN

BUREAU OF LOCAL ROADS & STREETS 44-1-2 PAVEMENT DESIGN June 2018 11. Design E Ri. Resilient modulus is the repeated deviator stress divided by the recoverable

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PDF Hot-Mix Asphalt Mixture Design Verification Procedure

Hot-Mix Asphalt Mixture Design Verification Procedure Appendix B.9 Effective Date: January 1, 2002 Revised: February 28, 2019 February 28, 2019 Manual of Test Procedures for Materials B.45 Appendix B.9 1. 1 GENERAL Contractors shall provide all hot-mix asphalt (HMA) mix designs for use on Department contracts.

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Variability in the Determination of Bulk and Maximum Density of Hot

2.1 Definition and function of Hot Mix Asphalt Concrete. 21. 2.1.1 Hot mix ... method 732.2 (MRWA, 2011) and for the end calculations of volumetric properties ... determining the performance of dense-graded hot mix asphalt (HMA). The design.

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Hot Mix Asphalt (HMA) Level 2 Technician

Hot Mix Asphalt (HMA) Level 2 Technician The Hot Mix Asphalt (HMA) Level 2 Job Mix Technician course is intended to cover the concepts and preparation procedures of HMA job mix formula (JMF). Individuals who complete this course will be certified to perform HMA Level 2 Job Mix Technician duties for SCDOT projects.

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HMA Weight-Volume Terms and Relationships - Pavement

Basic HMA weight-volume relationships are important to understand for both mix design ... Fundamentally, mix design is meant to determine the volume of asphalt binder ... For example, Gmm = gravity, mixture, maximum = the maximum gravity of the mixture. ... Hot Mix Asphalt Materials, Mixture Design, and Construction.

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Asphalt Calculator - How much asphalt do you need?

Free online asphalt calculator to help you estimate how much asphalt you need for your construction project - road, private driveway, car park, etc. Output in weight and volume: tons, tonnes, cubic yards, cubic meters, etc. Basic information about asphalt (tarmac) and tips on calculating how much you need. Online tarmac calculator.

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Asphalt Calculator - Reeves Construction Company

Enter measurements in the form below and click the “Calculate” button to arrive at your estimated quantity. Please contact us to verify your results or answer any questions you may have. Asphalt Calculator Width Feet Length Feet Thickness (Depth) Inches Results Calculated Volume Cubic Yards Calculated Volume Cubic Feet Hot Mix Required Tons( or ) Lbs.

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HMA Mix Design Basics - Asphalt Pavement Association of Michigan

HMA Volumetric Properties/Terms. ○ Mix Design ... The 3 A's of Hot Mix Asphalt ... Volumetric Analysis. Definition. The measurement or calculation of the.

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