Minimum Specific Gravity For Asphalt Mix

  • Theoretical Maximum Specific Gravity - Pavement Interactive

    Typical values for theoretical maximum specific gravity range from approximately 2.400 to 2.700 depending on the aggregate specific gravity and asphalt binder content. Unusually light or heavy aggregates may result in a value outside this typical range.

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  • Minimum Specific Gravity For Asphalt Mix

    MAXIMUM SPECIFIC GRAVITY OF HOT MIX ASPHALT AASHTO T 209 APPARATUS [ ] Balance [ ] Sufficient capacity for sample, readable to 0.1 g or better, in accordance with AASHTO M 231, Class G2 ... Minimum Weight of Sample, g 1 1/2 in. 4000 1 in. 2500 3/4 in. 2500 1/2 in. 1500 3/8 in. 1500 #4 1500 . …

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  • THEORETICAL MAXIMUM SPECIFIC GRAVITY (G ) AND …

    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.

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  • A Review of Aggregate and Asphalt Mixture Specific …

    Current practices for asphalt mix design and acceptance testing rely on volumetric properties. Vital to the calculation of mix volumetric properties are specific gravity measurements of the mixture and the aggregate in the mixture. In essence, the specific gravity measurements are conversion factors which allow conversion of mass

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  • THEORETICAL MAXIMUM SPECIFIC GRAVITY (G ) AND …

    FOP for AASHTO T 209. Theoretical Maximum Specific Gravity (G. mm) and Density of Hot Mix Asphalt (Hma) Paving Mixtures. Scope. This procedure covers the determination of the maximum specific gravity (G. mm) of uncompacted hot mix asphalt (HMA) paving mixtures in accordance with AASHTO T 209-12.

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  • Exp 9 Specific Gravity of Bitumen - Civil Engineers PK

    Mar 16, 2017 · The specific gravity of semi-solid bituminous material, asphalt cements, and soft tar pitches shall be expressed as the ratio of the mass of a given volume of the material at 25 °C to that of an equal volume of water at the same temperature.

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  • SUBJECT: HOT MIX ASPHALT (HMA) MIXTURE DESIGN …

    Under no circumstances shall the PG binder content in the HMA mixture be less than 5.8% for a 9.5 design, 5.2% for a 12.5, 4.5% for a 19.0 design, 4.2% for a 25.0 design, or 3.7% for a 37.5 design. All volumetric and mechanical properties are checked at this PG binder content to ensure that all requirements are met.

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  • MARSHALL MIX DESIGN METHOD FOR ASPHALTIC …

    MARSHALL MIX DESIGN METHOD FOR ASPHALTIC CONCRETE (An Arizona Method) 1. SCOPE ... The specific gravity of the asphalt binder shall be determined in accordance with AASHTO T 228 (at 77 F). ... (minimum of 3 asphalt binder contents, with 3 Marshall specimens at each asphalt binder content). 5.1.4 After the aggregate samples for the Marshall ...

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  • Compaction of Hot Mix Asphalt Concrete

    achieve low air voids in asphalt is important and that compaction should be accomplished in the construction phase. In analyzing the amount of voids in a mix care must be taken to use the correct procedures for measuring specific gravity of the compacted mix and the individual components. (~) (~)

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  • Superpave Mix Design : Tests Methods and Requirements

    The next step in the Superpave design process is the selection of the aggregate to be used in the mix. Aggregates are the major components of hot mix asphalt. The quality of the aggregates is critical to the performance of the asphalt mixes. Aggregates make up 80 to 85% of the mixture by volume.

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  • Theoretical Maximum Specific Gravity of Bituminous …

    THEORETICAL MAXIMUM SPECIFIC GRAVITY OF BITUMINOUS MIXTURES TXDOT DESIGNATION: TEX-227-F MATERIALS AND TESTS DIVISION 3 – 9 EFFECTIVE DATE: JULY 2019 4.5 Vacuum pump or water aspirator, to evacuate air from the assembly. 4.5.1 It must be able to reduce residual pressure to 2.0 in. (50 mm) Hg or less before completion of the evacuation process of the procedure.

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  • Marshall Mix Design - Pavement Interactive

    Based on the results of the optimum asphalt binder content estimate, samples are typically prepared at 0.5 percent by weight of mix increments, with at least two samples above the estimated asphalt binder content and two below.

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  • 39 HOT MIX ASPHALT, SUPERPAVE

    Submit a new JMF when the processed RAP specific gravity is more than ± 0.060 from the average maximum specific gravity reported on page 4 of your Contractor Hot Mix Asphalt Design Data form. 39-1.01C(2)(b) Mix Design The HMA mix design must comply with AASHTO R 35 except: 1. Notes 3, 6, and 10 do not apply 2.

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  • Mix Design Procedure for Open Graded Friction Course

    T 85 Specific Gravity and Absorption of Coarse Aggregates . T 96 Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine . T 209 Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures . T 283 Resistance of Compacted Hot Mix Asphalt (HMA) to Moisture-Induced Damage

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  • Performance based specification for hotmix asphalt …

    SP/SP23:051014 FOR HOTMIX ASPHALT WEARING COURSE SURFACING Page 3 of 18 2.15 Lot Definitions A Manufacturing Lot shall be deemed to be the quantity of a specified mix manufactured at a specific facility under essentially uniform process conditions with consistent ingredients resulting in a homogeneous product.

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  • 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

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  • Read "A Manual for Design of Hot-Mix Asphalt with ...

    For example, for a GGHMA mixture to be made with an aggregate blend having a combined bulk specific gravity of 2.75, the minimum asphalt content is 6.0% by mass, and the target asphalt content would be 6.0 + 0.3 = 6.3% by mass.

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  • Specific Gravity of Bitumen - The Constructor

    Recommended Values The specific gravity of pure bitumen ranges from 0.97 to 1.02. according to Indian Standard (BIS) minimum specific gravity of paving bitumen at 27°C shall be 0.99 for grades A25, A35, A45, A65, S35, S45 and S65, 0.98 for A90 and S90 and 0.97 for A200 and S200.

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  • HOT MIX ASPHALT - Tennessee

    Maximum Specific Gravity of Mix. Gmm = Max Specific Gravity of mix . Gb = Gravity of asphalt cement . Pmm = Percent by mass of loose mix . Ps = Percent (%) Agg. Content . ... 120 square feet of floor area with a minimum width of 8 feet and a minimum height of 7 feet.

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  • SD 312 Method of Test for Theoretical Maximum Specific ...

    Specific Gravity of Asphalt Concrete Paving Mixtures . 1. Scope: This test is to determine the theoretical maximum specific gravity and/or density of uncompacted asphalt paving mixtures. The theoretical maximum specific gravity or density is the standard used in the determination of in-place density of asphalt pavements. 2 ...

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  • National Center for Asphalt Technology

    Aggregate bulk specific gravity may be one of the least appreciated factors affecting the performance of asphalt pavements. Although high quality mixtures can be made with aggregates having a wide range in bulk specific gravity values, precisely determining the bulk specific gravity (Gsb) is critical to setting the optimum asphalt content of every mix design.

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  • SECTION 400 – ASPHALT PAVEMENTS SECTION 401 – …

    minimum of two points above and one point below the optimum. A one point design may be used for open graded mixtures. The maximum specific gravity shall be mass 90 determined in water in accordance with AASHTO T 209. The bulk specific gravity of the gyratory specimens shall be determined in accordance with AASHTO T 166,

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  • Determining Density of Compacted Mituminous Mixtures

    Specific gravity of the asphalt binder determined at 77°F (25°C)

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  • Contractor Asphalt Mix Design Approval Procedures

    Contractor Asphalt Mix Design Approval Procedures 1. SCOPE 1.1 This practice describes the procedures for asphalt mix design approval, the time required to perform the required tests, and the cost of the testing. 2. REFERENCED DOCUMENTS 2.1 AASHTO Standards : T 84 Specific Gravity & Absorption of Fine Aggregate

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  • Basic Asphalt Materials Mixture Design and Testing

    McAsphalt Industries Limited October 2012 1 Preface This training manual was developed as part of an effort to provide a step-by-step procedure for understanding basic asphalt mixture composition, creating mix designs and recycling processes.

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  • East Valley Asphalt Committee HOT ASPHALT MIX …

    9. Specific gravity of aggregates (bulk, bulk SSD, apparent and effective) 10. Specific gravity of anti-strip agent and asphalt binder 11. Maximum specific gravity of asphalt mixture 12. Bulk density 13. Moisture sensitivity 14. Aggregate proportions (including anti-strip agent) based on bin percentages and composite gradation.

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  • Selection of Maximum Theoretical Specific Gravity for ...

    Selection of Maximum Theoretical Specific Gravity for Asphalt Mixture Design D. FRED MARTINEZ AND FouAD M. BAYOMY The volume of air has been cited in technical literature as one of the most important performance indicators of asphalt paving mix­ tures. Air …

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  • Bulk Specific Gravity - an overview | ScienceDirect Topics

    The optimum asphalt content (OAC) of each mix was obtained at Av of 4% as per Superpave procedure. This involves the calculation of bulk specific gravity of aggregate blends and the bulk and maximum specific gravity of the mix. The resulted voids in mineral aggregates (VMA) and voids filled with asphalt (VFA) were estimated.

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  • Specific Gravity of Asphalt Test: What Equipment Do I Need ...

    Several AASHTO and ASTM standards govern measurement of the specific gravity of asphalt, also known as theoretical maximum specific gravity, asphalt specific gravity or simply the Rice Test. Test methods AASHTO T 209 and ASTM D2041 determine theoretical maximum specific gravity and density values used to calculate air voids in the compacted mix ...

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  • Selection of Maximum Theoretical Specific Gravity for ...

    Selection of Maximum Theoretical Specific Gravity for Asphalt Mixture Design D. FRED MARTINEZ AND FouAD M. BAYOMY The volume of air has been cited in technical literature as one of the most important performance indicators of asphalt paving mix­ tures. Air …

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  • THEORETICAL MAXIMUM SPECIFIC GRAVITY (G ) AND …

    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.

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  • Asphalt Pavement Thickness and Mix Design - Asphalt ...

    d = specific gravity of the asphalt at 60/60°F T = temperature, F A typical value for specific heat for a paving grade asphalt binder at 300°F is 0.515. This assumes a specific gravity of 1.030.This information comes from page 870 of Asphalts and Allied Substances, 4th Edition , by Herbert Abraham (published in 1938).

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  • Contractor Quality Control (QC) Asphalt Density

    Samples shall be at least equal to the minimum density specified for the mix based on the maximum specific gravity • After completing compaction of the Control Strip, obtain density gauge measurements at each of the 5 core sites

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  • What is the mixing ratio in asphalt - Answers

    Jun 28, 2012 · Asphalt mixes should require a maximum dust asphalt ratio of 1.2 and a minimum of 0.6. (9) A tool which is very useful in evaluating aggregate …

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  • STANDARD CONSTRUCTION SPECIFICATIONS FOR …

    Page 13 Standard Construction Specifications Division 40 – Asphalt Surfacing Revised 11/08. five percent (5%). The bituminous material shall be applied at a temperature between seventy-five and one hundred thirty degrees (75º and 130º) Fahrenheit.

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  • VOLUMETRIC ANALYSIS OF HMA MIXTURES

    Theoretical Maximum Specific Gravity - G mm = 2.501 Asphalt Binder Specific Gravity - G b = 1.025 Asphalt Content - P b = 4.3 % (by mass of total mix) Percent Passing No. 200 = 4.8%

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  • S-1 (2360) HOT MIXED ASPHALT - POROUS PAVEMENT …

    B2d Minimum Asphalt Content The guideline for percent asphalt binder shall be 5.5 to 6.5 percent by weight of mix. (F) Table 2360.3-B2c (VMA Mixture Requirements) shall be deleted (G) Table 2360.3-B3 shall be modified as follows: Compacted briquette air void content for gyratory design shall be 17.0 – …

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  • Basic Asphalt Materials Mixture Design and Testing

    McAsphalt Industries Limited October 2012 1 Preface This training manual was developed as part of an effort to provide a step-by-step procedure for understanding basic asphalt mixture composition, creating mix designs and recycling processes.

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  • BULK SPECIFIC GRAVITY (G ) OF COMPACTED HOT MIX …

    BULK SPECIFIC GRAVITY (Gmb) OF COMPACTED HOT MIX ASPHALT (HMA) USING SATURATED SURFACE-DRY SPECIMENS FOP FOR AASHTO T 166 Scope 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.

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  • IMPROVED RICE METHOD FOR DETERMINING …

    The procedure for determining the theoretical maximum specific gravity of HMA mixtures was originally developed by Rice (7, 2) and is standardized as ASTM D2041 - Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures.

    Published in: Transportation Research Record · 1992Authors: Prithvi S Kandhal · Maqbool A KhatriAbout: Mix design · Absorption · Molar absorptivity · Repeatability · Reproducibility · Test pro…

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  • [DOC]

    SUPERPAVE ASPHALT CONCRETE

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    If a maximum specific gravity value is not determined for a day’s production, the previous day’s value will be used. Obtain, under the Engineer’s supervision, split samples of the asphalt mixture used for the maximum specific gravity test for verification purposes. The minimum size of …

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  • METHOD OF TEST FOR DETERM INING BULK SPECIFIC …

    specimens; for dense graded and rubberized hot mix asphalt (Type G) (RHMA-G) specimens; for HMA briquettes that contain open or interconnected voids or that absorb more than 2.0 % of water by volume.

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  • Read "A Manual for Design of Hot-Mix Asphalt with ...

    The remaining sample of each trial gradation is used to determine the theoretical maximum density according to AASHTO T 209. 202 A Manual for Design of Hot Mix Asphalt with Commentary Combined Aggregate Bulk Specific Gravity Minimum Asphalt Content Based on Mass, % 2.40 6.8 2.45 6.7 2.50 6.6 2.55 6.5 2.60 6.3 2.65 6.2 2.70 6.1 2.75 6.0 2.80 5.9 ...

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  • APPENDIX J ANNUAL ASPHALT CONCRETE MIX …

    asphalt mixture producer shall perform the minimum number of tests as indicated in Table J-1. The average bulk specific gravity and absorption values from this follow-up testing will be the values used on the asphalt mixture producer’s JMFs. 2) Submit the current aggregate producer, asphalt mixture producer, or MTD determined

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  • NYSDOT Approved Aggregate Sources* for Hot Mix …

    Apparent: Specific gravity not including the volume or mass of any void spaces within the aggregate particles. Used in bituminous (asphalt) mix design. For certain aggregates, the specific gravities can be highly variable and must be monitored frequently for proper mix design adjustments to ensure performance.

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  • SECTION 401 DIVISION 400 PAVEMENTS - NH.gov

    This required minimum asphalt content is based on the use of aggregate with a specific gravity of 2.65 to 2.70. The minimum asphalt content requirement may be adjusted when aggregate with a …

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  • 904 PERFORMANCE GRADED ASPHALT BINDERS AND ASPHALT …

    (e) Plant where the asphalt mix will be produced. (f) Plant target mixing temperature based on viscosity of 0.22 Pa·s. (g) Ratio of dust to binder material on effective asphalt. (h) Maximum specific gravity at the target binder content. (i) Mix design grading plotted on 0.45 power gradation chart. (j) Tensile strength ratio and worksheets.

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  • QMS Manual 2013 Final - NCDOT

    Specific Gravity of Asphalt Binder 2-6 Asphalt Additives 2-6 Asphalt Binder Storage 2-7 ... Superpave Asphalt Mix Types 3-3 Pavement Layer Depth Guidelines (For Pavement Design Purposes) 3-4 ... Quality Control (QC) Minimum Sampling and Testing Schedule 7-10 Sample Location for Mix 7-12 Sample Location for Aggregates, RAP, & RAS 7-17 ...

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  • CONSTRUCTION SPECIFICATION FOR HOT MIX …

    CONSTRUCTION SPECIFICATION FOR HOT MIX ASPHALT TABLE OF CONTENTS 310.01 SCOPE 310.02 REFERENCES ... MP 2-03 Specifications for Superpave Volumetric Mix Design T 166-00 Bulk Specific Gravity of Compacted Bituminous Mixtures Using Saturated Surface-Dry ... submitted in writing to the Contract Administrator a minimum of 14 Days prior to the ...

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  • 2014 HMA Mix Design Requirements - IN.gov

    HOT MIX ASPHALT MIX DESIGN LABORATORY REQUIREMENTS ... AASHTO T 84 -- Specific Gravity and Absorption of Fine Aggregate AASHTO T 85 -- Specific Gravity and Absorption of Coarse ... 3. The design shall have at least four points, including a minimum of two points above and one point below the optimum.

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  • Construction and Materials Manual

    A minimum of two tests must be run, one each at two different asphalt trial binder contents. Calculate the Gse for each Gmm test run (to three decimal places, 0.001) and average the results. Use this calculated average Gse to determine all Gmm values for the trial data.

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  • [DOC]

    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.

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  • Maximum Specific Gravity - WAQTC

    T209_short_13 Asphalt 17-1 Pub. October 2014 THEORETICAL MAXIMUM SPECIFIC GRAVITY (G mm) 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 (G. mm) of uncompacted hot mix asphalt (HMA) paving mixtures in accordance with AASHTO T 209-12.

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  • 1. SCOPE KT-39 AASHTO T 209 2 REFERENCED …

    5.9.39 THEORETICAL MAXIMUM SPECIFIC GRAVITY OF ASPHALT PAVING MIXTURES (Kansas Test Method KT-39) 1. SCOPE This method covers the determination of the theoretical maximum specific gravity of uncompacted asphalt paving mixtures. KT-39 reflects testing procedures found in AASHTO T 209. 2. REFERENCED DOCUMENTS 2.1.

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  • What is Superpave? Understanding Performance-Based Asphalt

    A New Approach to Asphalt Mix Design. Rather than a specific process or procedure, Superpave is a performance-based specification for asphalt binder and volumetric mixture design. The idea was to allow asphalt pavement designs that could handle the unique weather and traffic conditions of a given site in any geographic area of the U.S.

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  • ALDOT-384-95 - Alabama Department of Transportation

    ALDOT-384-95 SUPERPAVE MIX DESIGN PROCEDURE FOR ASPHALT MIXTURES 1. Scope ... asphalt mix, asphalt mix components, and equipment as required. The oven(s) ... Perform a minimum of three specific gravity tests on each of the aggregates and average the …

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  • Chapter 2 Design and Control of Bituminous Mixtures …

    Step 4. Determine the Maximum Specific Gravity for the completed mix (AASHTO T209), and calculate total mass of mix ([490 ml] x [Maximum Specific Gravity]) to produce a compacted specimen 63.5 mm (2-1/2 inches) high. Step 5. Calculate the required amount of …

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  • 504 ASPHALT PAVEMENT - SHA MediaWiki

    (c) If more than one mix sample is obtained per day’s placement, an average of all maximum specific gravity tests for the day will be used for the determination of percent density of each core sample. The Laboratory will make results of individual days paving available to the Engineer and the asphalt Producer within five working days.

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