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 ...
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 ... mixture is not sufficiently soft to be separated manually ...
calculated mathematically by comparing the bulk specific gravity of a mixture with the maximum theoretical specific gravity of the mixture at the same asphalt content. The test method developed by Rice (ASTM D-2041) is the most accepted means of deter mining maximum theoretical specific gravity. Nevertheless, agen
5.1 The theoretical maximum specific gravities and densities of asphalt mixtures are fundamental properties whose values are influenced by the composition of the mixture in terms of types and amounts of aggregates, asphalt binder, and other materials present in the mixtures.
49_T209_short_18_errata Asphalt 17-1 Pub. October 2018 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(G mm) of uncompacted hot mix asphalt (HMA) paving mixtures in accordance with AASHTO T 209-12.
THEORETICAL MAXIMUM SPECIFIC GRAVITY OF BITUMINOUS MIXTURES TXDOT DESIGNATION TEX-227-F MATERIALS AND TESTS DIVISION 4 – 9 EFFECTIVE DATE JULY 2019 5.3.2 The water temperatures used during the pycnometer calibration and the final weighing of the pycnometer containing evacuated mixture must be within 2°F (1°C).
Theoretical maximum specific gravity; Asphalt content/gradation; Bulk Specific Gravity. Bulk specific gravity is essentially the density of a compacted (laboratory or field) HMA specimen. The bulk specific gravity is a critical HMA characteristic because it is used to calculate most other HMA parameters including air voids, VMA, and TMD.
This paper aims to study the Impact of changing theoretical maximum specific gravity for asphalt mixture on the characteristic of asphalt mixes. To achieve this objective an extensive experimental ...
Author Mohamed El SayedThe approach to this review had been to separately examine three specific gravity determinations, namely, the bulk specific gravity of the aggregate (G. sb), the maximum specific gravity of asphalt mixtures (G. mm), and the bulk specific gravity of compacted specimens (G. mb). The review draws upon
T209_short Asphalt 6-1 October 2011 THEORETICAL MAXIMUM SPECIFIC GRAVITY AND DENSITY OF HOT MIX ASPHALT (HMA) PAVING MIXTURES FOP FOR AASHTO T 209 (11) 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.
Improved Rice Method for Determining Theoretical Maximum Specific Gravity of Asphalt Paving Mixtures PRITHVI S. KANDHAL AND MAQBOOL A. KHATRI The Rice method (ASTM D2041) is used for determining the theoretical maximum specific gravity of asphalt paving mixtures, which is one of the main test parameters used for mix design and
The theoretical maximum specific gravity of a bituminous mixture is the bulk specific gravity of that mixture when compacted to the point of zero air voids. Part I, Using Hand-held Glass Pycnometer This part describes the procedure to measure the theoretical maximum specific gravity of bituminous mixtures using a hand-held glass pycnometer.
The theoretical maximum specific gravity of a bituminous mixture is the bulk specific gravity of that mixture when compacted to the point of zero air voids. Part I, Using Hand-held Glass Pycnometer This part describes the procedure to measure the theoretical maximum specific gravity of bituminous mixtures using a hand-held glass pycnometer.
Bulk Specific Gravity of the Mixture - G mb = 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%
Determining the Theoretical Maximum Specific Gravity of HMA ... governed by the nominal maximum aggregate size of the mixture and conform to the mass requirement of Table 51-1. Split or quarter the ... asphalt paving mixture needs to be determined, add 2-4 drops of phenolphthalein alcohol
The Rice Test for Specific Gravity of Asphalt is a common test that measures the Theoretical Maximum Specific Gravity (G mm) of asphalt specimens. The test is an integral part of quality assurance of asphalt mixtures. Free and entrapped air is removed from the asphalt …
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 ...
Method of Test for Theoretical Maximum . 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 concrete paving mixtures. The theoretical maximum specific gravity or density is the standard used in the determination
T209_short_12 Asphalt 15-1 Pub. October 2012 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.
Theoretical Maximum Specific Gravity 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 …
SLH-0711A Asphalt Mixture Theoretical Maximum Specific Gravity and Density Tester is designed and made by the stated requirement of the T071 “Theoretical Maximum Specific Gravity and Density of Asphalt Mixture Test (Vacuum Method)” in the Industry Standard of People Republic of China JTJ052 Specifications and Test Methods of Bitumen and ...
expressed as a percentage of the maximum theoretical specific gravity of the mixture, corrected for the fact that it has been determined based on the bulk density of the Superpave gyratory specimen compacted to the maximum number of gyrations. N-initial (Nini) = the initial number of gyrations, a relatively low number of gyrations based on
Asphalt Mixture Theoretical Maximum Specific Gravity and Density Tester. Description It is used to design the ratio of bituminous mixtures, survey the road condition or calculate the void ratio and compactness of road construction.It is not available to determine the lacunose bituminous mixtures which water absorption overs 3%.
CALCULATIONS FOR THE MARSHALL MIX DESIGN OF BITUMINOUS MIXTURES 1. ... Obtain the specific gravity of the extracted asphalt and calculate the specific gravity of the combined aggregate in the reclaimed material. 2.2. ... Maximum specific gravity of paving mixture sample. G mm
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 ...
THEORETICAL MAXIMUM SPECIFIC GRAVITY, G (DOTD TR 32 Sanvle b when by 0070 TR 327 of Mix of & Water of Pyc, Water & Mix Difference GM (G„ma + Gmb)/2 ample a THEORETICAL MAXIMUM SPECIFIC GRAVITY (Gm) 12 //S 12 SUBLOT Tested By Checked By Approved By D Figure 2 DOTD 03-22-3095 Theoretical Maximum Specific Gravity (G
THEORETICAL MAXIMUM SPECIFIC GRAVITY AND DENSITY OF BITUMINOUS PAVING MIXTURES CAUTION Prior to handling test materials, performing equipment setups, and/or conducting this method, testers are required to read “SAFETY AND HEALTH” in Section M of this method. It is the responsibility of the user of this method
For more specific details on testing for theoretical maximum or asphalt specific gravity and density, refer directly to the ASTM D2041 or AASHTO T 209 test standards. You can also learn more about the SGA-5R Rice Shaker for Specific Gravity & Asphalt Rice Test by viewing our video below.
the units. For example, in the Theoretical Maximum Specific Gravity and Density of Hot Mix Asphalt test (commonly called the Rice test, AASHTO T 209) the pressure range required is 25 to 30 millimeters of mercury - a very small range and nearly a vacuum. The pressure range used
Note 3 If RAP is used, the bulk specific gravity of the RAP aggregate may be estimated by determining the theoretical maximum specific gravity (G mm) of the RAP mixture and using an assumed asphalt absorption for the RAP aggregate to back-calculate the RAP aggregate bulk specific gravity, if the absorption can be estimated with confidence.
Determining the Theoretical Maximum Specific Gravity of Asphalt Concrete Paving Mixtures," by Mansour Solaimanian and Thomas W. Kennedy, summarizes a study comparing methods of estimating the theoretical maximum specific gravity of asphalt mixtures. April 1989. ABSTRACT A comparative study was performed to compare the maximum theoretical ...
Theoretical Maximum Specific Gravity The theoretical maximum specific gravity of an asphalt concrete mixture is the specific gravity of the mixture at zero air void content. It is one of the most difficult tests performed in paving materials laboratories and also one of the most important.
This test method covers the determination of the theoretical maximum specific gravity/gravity mix maximum (Gmm) and density of uncompacted hot mix asphalt (HMA) at 25°C (77°F). Note 1-The precision of the method is best when the procedure is performed on samples that contain aggregates that are completely coated. In order to assure complete ...
This test method covers the determination of the theoretical maximum specific gravity/gravity mix maximum (G mm) and density of uncompacted asphalt mixture at 25°C (77°F).Note 1—The precision of the method is best when the procedure is performed on samples that contain aggregates that are completely coated.In order to assure complete coating, it is desirable to perform the method on ...
scope This test method covers the determination of the theoretical maximum specific gravity/gravity mix maximum (G mm) and density of uncompacted asphalt mixture at 25°C (77°F).Note 1-The precision of the method is best when the procedure is performed on samples that contain aggregates that are completely coated.In order to assure complete coating, it is desirable to perform the method on ...
1.1 This test method covers the determination of theoretical maximum specific gravity (commonly referred to as Rice Gravity) of un-compacted bituminous paving mixtures. 2 Referenced Documents AASHTO T 209 Theoretical Maximum Specific Gravity and Density of Hot Mix Asphalt (HMA) MT Materials Manual MT 303 Sampling Bituminous Paving Mixtures
the theoretical maximum or specific gravity/gravity mix maximum as in T 209. ... 3.2.4 PGmm – percent density of compacted asphalt specimen, also can be referred to as percent maximum specific gravity of an asphalt mixture, or percent maximum theoretical density in ODOT Standard Specifications and Special Provisions.
SELECTION OF MAXIMUM THEORETICAL SPECIFIC GRAVITY FOR ASPHALT MIXTURE DESIGN. The volume of air has been cited in technical literature as one of the most important performance indicators of asphalt paving mixtures.
SLH-0711A Asphalt Mixture Theoretical Maximum Specific Gravity and Density Tester is designed and made by the stated requirement of the T071 “Theoretical Maximum Specific Gravity and Density of Asphalt Mixture Test (Vacuum Method)” in the Industry Standard of People Republic of China JTJ052 Specifications and Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering.
The maximum theoretical specific gravity was calculated from the measured bulk-impregnated specific gravity for asphalt mixture prepared with the two absorptive aggregates and compared with the maximum theoretical specific grav-ity determined from ASTM D …
Through this test, the theoretical maximum specific gravity (assuming no voids within the mix) of an asphalt mixture determined. The Vibro Deairator SGA-5R is used to shake a loose asphalt mixtures sample submerged in water while at the same time applying vacuum into …
ASTM-D2041 Standard Test Method for Theoretical Maximum Specific Gravity and Density of Asphalt Mixtures - ICS Number Code 91.100.50 (Binders. Sealing materials); 93.080.20 (Road construction materials)