hot mix asphalt specific gravity

NYSDOT Approved Aggregate Sources* for Hot Mix Asphalt …

Apparent: Specific gravity not including the volume or mass of any void spaces within the aggregate particles. Used in bituminous concrete (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.


39 ASPHALT CONCRETE

average RAP binder content reported on page 4 of your Contractor Hot Mix Asphalt Design Data form 7. Average maximum specific gravity in a new processed RAP stockpile by more than ±0.060 from the average maximum specific gravity value reported on page 4 ofyour Contractor Hot Mix Asphalt Design Data form 8. Any material in the JMF


How do you calculate bulk specific gravity of asphalt?

Mar 21, 2020· The bulk specific gravity of a compacted asphalt mix specimen is determined by computing the ratio of its mass in air to its bulk volume. Procedure I is a rapid method which generally provides sufficient accuracy for the routine testing of specimens with dense, impermeable surfaces.


ALDOT-381-93 METHOD FOR CORRELATION OF MARSHALL …

2.1. AASHTO T-166 Bulk Specific Gravity of Compacted Hot Mix Asphalt. 2.2. ALDOT-307 Design Method for Selecting Optimum Asphalt Cement Content of Hot Mix Asphalt by Means of the Marshall Apparatus. 2.3. ALDOT-375 Contractor Quality Control System for …


Hot Mix Asphalt Concrete Density, Bulk Specific Gravity,

D and Yu Yan}, title = {Hot Mix Asphalt Concrete Density, Bulk Specific Gravity,}, year = {}} Share. OpenURL . Abstract. ii NOTICE The contents of this report reflect the views of the authors who are responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of ...


Theoretical Maximum Specific Gravity (G and Density of Hot ...

Theoretical Maximum Specific Gravity (G mm) and Density of Hot Mix Asphalt (HMA) AASHTO Designation: T 209-12 1. SCOPE 1.1. This test method covers the determination of the theoretical maximum specific gravity/gravity mix maximum (G mm) and density of uncompacted hot mix asphalt (HMA) at 25°C (77°F).


Theoretical Maximum Specific Gravity – Pavement Interactive

Specific gravity is a measure of a material's density (mass per unit volume) as compared to the density of water at 73.4°F (23°C). Therefore, by definition, water at 73.4°F (23°C) has a specific gravity of 1. Bulk Specific Gravity Use. Superpave mix design is a volumetric process; key properties are expressed in terms of volume.


ALDOT-349-86 HOT-MIX ASPHALT TESTING EQUIPMENT 1. …

AASHTO T 85, Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate . 2.1.6. AASHTO T 166, Standard Method of Test for Bulk Specific Gravity of Compacted Hot-mix Asphalt Mixtures Using Saturated Surface-Dry Specimens . 2.1.7. AASHTO T 168, Standard Method of Test for Sampling Hot-Mix Asphalt Paving Mixtures . 2.1.8.


Performance based specification for hotmix asphalt …

2.1 Hot Mix Asphalt Hot Mix Asphalt (HMA) is a mixture of bituminous binder and aggregate, with or without added mineral filler, produced in a mixing plant. It is delivered spread and compacted while hot. 2.2 Coarse Aggregate The Coarse Aggregate is the fraction of the aggregate components retained on a 4.75mm test sieve. 2.3 Fine Aggregate


Performance Evaluation of Reclaimed Asphalt Pavement in ...

Performance Evaluation of Reclaimed Asphalt Pavement in Hot Mix Asphalt Modified with Organosilane by Phani Sasank Kaligotla A Thesis Presented in Partial Fulfillment of the Requirements for the Degree ... 4.1.2 Theoretical Maximum Specific Gravity (G mm)..... 30 4.1.3 Bulk Specific Gravity of Compacted Hot Mix Asphalt (G ...


VOLUMETRIC ANALYSIS OF HMA MIXTURES

Bulk Specific Gravity of the Mixture - G = 2.425 Theoretical Maximum Specific Gravity - G mm = 2.521 Asphalt Binder Specific Gravity - G b = 1.015 Asphalt Content - P b = 5.0 % (by mass of total mix) Percent passing No. 200 = 5.3%


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

Feb 01, 2013· Hot Mix Asphalt Concrete Density, Bulk Specific Gravity, and Permeability John P. Zaniewski, Ph.D. Yu Yan Asphalt Technology Program Department of Civil and Environmental Engineering Morgantown, West ia 2/1/2013


Bulk Specific Gravity – Pavement Interactive

Specific gravity is a measure of a material's density (mass per unit volume) as compared to the density of water at 73.4°F (23°C). Therefore, by definition, water at 73.4°F (23°C) has a specific gravity of 1. Bulk Specific Gravity Use. Superpave mix design is a volumetric process; key properties are expressed in terms of volume.


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

Recommended Citation. Yan, Yu, "Hot Mix Asphalt Concrete Density, Bulk Specific Gravity, and Permeability" (2012). Graduate Theses, Dissertations, and Problem Reports.


Colorado Procedure 56-98

Produced HMA to Change the Target Specific Gravity for Compaction Compliance . 1. SCOPE. 1.1 During the production of Hot Mix Asphalt, changes may occur in the maximum specific gravity of the mix. This change may be detected, and target specific gravity corrected, by measuring the maximum specific gravity (CP 51) of the project-produced ...


MAXIMUM SPECIFIC GRAVITY OF HOT MIX ASPHALT …

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 [ ] Suspension apparatus from center of balance pan [ ] Suspension wire of smallest practical size [ …


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.


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

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 - Standard Method of Test for Specific Gravity of Semi-Solid Asphalt Materials. 22. AASHTO T 245 - Standard Method of Test for Resistance to Plastic Flow of Asphalt Mixtures Using Marshall Apparatus. 23.


1. PURPOSE SCOPE

T 166, Bulk Specific Gravity of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens T 209, Theoretical Maximum Specific Gravity and Density of Hot Mix Asphalt (HMA) MP 401.02.22 LAST REVISION: MARCH 2000 REVISED: MAY 2011 PAGE 2 OF 9 ...


Bulk Specific Gravity - an overview | ScienceDirect Topics

Bulk specific gravity of aggregate is important information for designing hot mix asphalt because it is used to calculate voids in mineral aggregate and voids filled with asphalt. Moreover, different procedures are used to determine the Gsb of coarse and fine aggregate ( Buchanan, 2000; Hall et al., 2001; Malpass and Khosla, 2001; Cooley et al ...


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 . Gse = Effective specific gravity of Agg. Pb = Asphalt content % by total mass of …


4 MIX DESIGN - IN.gov

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 asphalt mixture). Density is important because proper density in the finished product is essential for lasting pavement performance.


AASHTO T 209 Theoretical Maximum Specific Gravity and ...

Feb 26, 2019· This video covers the test for theoretical maximum specific gravity and density of uncompacted hot mix asphalt (HMA) according to AASHTO T 209.This video has...


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.


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


T 209 Theoretical Maximum Specific Gravity (Gmm) and ...

ASPHALT WAQTC FOP AASHTO T 209 (20) 49_T209_short_20_errata Asphalt 17-1 Pub. October 2020 THEORETICAL MAXIMUM SPECIFIC GRAVITY (G mm) AND DENSITY OF ASPHALT MIXTURES FOP FOR AASHTO T 209 Scope This procedure covers the determination of the maximum specific gravity(G mm) of uncompacted asphalt mixturesin accordance with AASHTO T 209-20. Two ...


BULK SPECIFIC GRAVITY (G ) OF COMPACTED HOT MIX …

BULK SPECIFIC GRAVITY (G ) 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 (G. ) of compacted hot mix asphalt (HMA) using three methods – A, B, and C – in accordance with AASHTO T 166-13.


Examination of Gamma-Ray Method for Measuring Bulk ...

Jan 01, 2003· Much attention has been given to the determination of bulk specific gravity (G ) of compacted hot-mix asphalt (HMA) specimens.For relatively open-graded HMA mixtures, such as those produced by Superpave® and stone matrix asphalt design methods, perceived potential shortcomings in traditional test methods may be pronounced.


SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATES …

Specific gravity is critical information for the Hot Mix Asphalt Design Engineer. This value is used in calculating air voids, voids in mineral aggregate (VMA), and voids filled by asphalt (VFA). All are critical to a well performing and durable asphalt mix. Water absorption may also be an indicator of asphalt absorption. A highly absorptive ...


1. PURPOSE SCOPE

T85, Specific Gravity and Absorption of Coarse Aggregate T 166, Bulk Specific Gravity of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens T 209, Theoretical Maximum Specific Gravity and Density of Hot Mix Asphalt (HMA) T 283, Resistance of Compacted Hot Mix Asphalt (HMA) to Moisture Induced


Selection of Maximum Theoretical Specific Gravity for ...

Gb specific gravity of the asphalt binder, and Gmb = bulk specific gravity of the mixture assumed to represent zero air voids. After determination of Gse in this manner, Gmm is deter­ mined at other asphalt contents in the mix design by Gmm = 100/[(Ps!Gse) + (Pb/Gb)] where Ps is the percent aggregate by weight of mixture and Gb is the asphalt ...


DIVISION 5 – HOT MIX ASPHALT PAVEMENTS AND …

This work consists of providing and placing hot mix asphalt (HMA) mix using Superpave mixture design methods. A. Definitions Binder Content. Percent by weight of asphalt cement in the total mixture. Broken Aggregate. Cracked aggregate caused by construction operations. Bulk Specific Gravity of Aggregate (G. sb). Ratio of the oven dry weight


Improved Rice Method for Determining Theoretical Maximum ...

Theoretical maximum specific gravity of hot mix asphalt (HMA) mixtures is used in all stages of HMA design, construction, and evaluation. The procedure for determining the theoretical maximum specific gravity of HMA mixtures was originally developed by Rice (1,2); it is standardized as ASTM D2041


IMPROVED RICE METHOD FOR DETERMINING THEORETICAL …

Theoretical maximum specific gravity of Hot Mix Asphalt (HMA) mixtures is used in all stages of HMA design, construction, and evaluation. 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 ...