Provide customers with tailor-made solutions
TABLE 2: SHRP Results on First Blend of Recovered Asphalt Cement with a Virgin Performance Graded Asphalt Cement (Trial 1) Trial 1 Spec Tests on Unaged Material Brookfield Viscosity @ 135 °C mPa.s @ 165°C 0.475 0.145 3.0 max Flash Point, COC, °C 230+ 230 min G*/Sin δ @ 58 °C, 10 rad/sec, kPa @ 64°C 1.848 0.919 1.0 min Tests on RTFO Residue
Get PriceEmail contact
1101-B Additional Requirements for Performance Graded Asphalt Cement Further Graded for Traffic Loading Using Multiple Stress Creep Recovery Testing . 1101.01 SCOPE. This specification covers the requirements for the properties and use of performance graded asphalt cements.
Get PriceEmail contact
For asphalt concrete dikes use PG 70-10. For tack coats use either 64-10 or 64-16. For low temperature placement; At DME discretion, PG 76-22PM may be specified for dense graded asphalt concrete for special location identified by DME. For conventional Dense Graded Asphalt concrete, values are given for typical and special conditions.
Get PriceEmail contact
asphalt cement. Liquid asphalts, either cutbacks or emulsions, are simply modifications of asphalt cements to permit use under conditions not suitable for the basic cement. For many applications, however, more than one type or grade may be used, and in some cases choice of the proper material or materials makes the problem confusing.
Get PriceEmail contact
Asphalt Technology is the study of asphalt mixes, properties and performance and can be divided into three primary disciplines; Dense Graded Asphalt Technology – Dense-graded mixes are produced with well or continuously graded aggregate (gradation curve does not have any abrupt slope change) and intended for general use.
Get PriceEmail contact
History of Asphalt Grading Systems 11 ASTM D 3381 Viscosity Graded Asphalt Cements (Table 1) Test Viscosity Grade AC-2.5 AC-5 AC-10 AC-20 AC-40 Viscosity, 140(F (60(C), P 250±50 500±100 1000±200 2000±400 4000± 800 Viscosity, 275(F (135(C), min, cSt 80 110 150 210 300 Penetration, 77(F (25(C), min 200 120 70 40 20 Tests on TFO residue ...
Get PriceEmail contact
asphalt cement. Liquid asphalts, either cutbacks or emulsions, are simply modifications of asphalt cements to permit use under conditions not suitable for the basic cement. For many applications, however, more than one type or grade may be used, and in some cases choice of the proper material or materials makes the problem confusing.
Get PriceEmail contact
Asphalt cement is the most-used form of liquid asphalt, often referred to as asphalt binder or performance-graded asphalt binder.. Asphalt cement is primarily used as the binding agent in asphalt-bound aggregate pavement mixtures. Products derived meet conventional AASHTO, ASTM, state and local specifications.
Get PriceEmail contact
properties and use of the various grades of PGAC are given in the MTO Non-Standard Special Provision Amendment to OPSS 1101 “Performance Graded Asphalt Cement (PGAC)”. Suppliers of PGAC must be listed as an asphalt cement supplier in the MTO’s Designated Sources for Materials Manual (DSM). Municipalities should: Specify the PGAC grade ...
Get PriceEmail contact
Feb 08, 2021 Asphalt cement is graded based on what temperature they achieve Aside from its viscosity, other asphalt characteristics are checked. Asphalt grading is based on these lab tests that evaluate its performance at a range of temperatures.
Get PriceEmail contact
Asphalt Technology is the study of asphalt mixes, properties and performance and can be divided into three primary disciplines; Dense Graded Asphalt Technology – Dense-graded mixes are produced with well or continuously graded aggregate (gradation curve does not have any abrupt slope change) and intended for general use.
Get PriceEmail contact
Husky Asphalt cements have proven resistant to cracking and rutting caused by environmental changes. Performance Grade. Husky manufactures over 60 performance-graded asphalt products to meet the growing demands of the paving industry. Husky’s technical staff is actively involved in the development of related specifications and test methods.
Get PriceEmail contact
The ‘A’ designation corresponds to the Performance Graded (PG) asphalt binder of PG 64-22 required in the mix. NMDOT “Standard” Base Mix As the name implies, the base mix is the base asphalt layer for the pavement structure. Its major function is to provide the principal support of the pavement structure.
Get PriceEmail contact
Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. Asphalt mixtures have been used in pavement construction since the beginning of the twentieth century.
Get PriceEmail contact
M 320-21 Performance-Graded Asphalt Binder M 321-04 (2021) High-Reactivity Pozzolans for Use in Hydraulic-Cement Concrete, Mortar, and Grout M 322M/M 322-10 (2019) Rail-Steel and Axle-Steel Deformed Bars for Concrete Reinforcement
Get PriceEmail contact
D140/D140M Practice for Sampling Asphalt Materials. D946/D946M Specification for Penetration-Graded Asphalt Binder for Use in Pavement Construction. D2042 Test Method for Solubility of Asphalt Materials in Trichloroethylene. D2872 Test Method for Effect of Heat and Air on a Moving Film of Asphalt (Rolling Thin-Film Oven Test)
Get PriceEmail contact
Oct 01, 2015 With this book in hand, researchers and engineering will find a valuable guide to the production, use and environmental aspect of asphalt. Covers the Nomenclature and Terminology for Asphalt including: Performance Graded (PG) Binders, Asphalt Cement (AC), Asphalt-Rubber (A-R) Binder, Asphalt Emulsion and Cutback Asphalt.
Get PriceEmail contact
Construction and Materials recommended the use of the performance graded asphalt cement PG 64-22 as the virgin binder. The post-consumer shingles were to act more like asphalt coated sand than an actual asphalt cement binder in the HMA. Due to the extremely high melting point [180 – 190°C (355 – 375°F)] of the asphalt cement binder from
Get PriceEmail contact
asphalt cement content; and the air voids. Paving in Echelon means two or more pavers are used to pave multiple adjacent lanes simultaneously. Performance Graded Asphalt Cement (PGAC) means asphalt cement that is produced from petroleum residue, either with or without the addition of non-particulate modifiers, according to AASHTO M320.
Get PriceEmail contact
Statewide Use. SS3087 PDF : RTF : High Performance Permeable Friction Course - For project 6340-31-001, 6340-46-001, 6346-46-001 in Travis County. Construct a high performance hot-mix asphalt (HMA) surface course composed of a compacted permeable mixture of aggregate, high performance-graded asphalt binder, and additives mixed hot in a mixing ...
Get PriceEmail contact
properties and use of the various grades of PGAC are given in the MTO Non-Standard Special Provision Amendment to OPSS 1101 “Performance Graded Asphalt Cement (PGAC)”. Suppliers of PGAC must be listed as an asphalt cement supplier in the MTO’s Designated Sources for Materials Manual (DSM). Municipalities should: Specify the PGAC grade ...
Get PriceEmail contact
Feb 08, 2021 Asphalt cement is graded based on what temperature they achieve Aside from its viscosity, other asphalt characteristics are checked. Asphalt grading is based on these lab tests that evaluate its performance at a range of temperatures.
Get PriceEmail contact
USE OF PERFORMANCE GRADED ASPHALT CEMENT (PGAC) • Asphalt cement contributes up to one third of a pavement’s rutting resistance, over half of the fatigue crack resistance and almost 90% of low temperature cracking performance. Specifying the right asphalt cement is essential. A good understanding of the integration between
Get PriceEmail contact
Although asphalt binder penetration and viscosity grading is still commonly used worldwide, new binder tests and specifications were developed to more accurately characterize asphalt binders for use in AC pavements. The most advanced asphalt binder grading system is Performance Graded (PG) System, which is resulted from the $50 million ...
Get PriceEmail contact
Aug 08, 2020 The increased proportion of traffic volumes on roads is often the cause of distress to the pavement structure. The use of strong and durable steel slag (S) as an aggregate material in asphalt concrete can enhance the load-bearing capacity while at the same time conserving natural resources, resulting in a sustainable asphalt pavement system.
Get PriceEmail contact
Hot-mix asphalt (HMA) is a generic term that includes many different types of mixtures of aggregate and asphalt cement (binder) produced at elevated temperatures (generally between 300-350ºF) in an asphalt plant. Typically, HMA mixtures are divided into three mixture categories: dense-graded; open-graded; and gap-graded as a function of the ...
Get PriceEmail contact
Performance Graded Asphalt Cement (PGAC) means as defined in OPSS 1101. Quality Assurance (QA) means a system or series of activities carried out by the Owner to ensure that Materials received from the Contractor meet the requirements as specified in the Contract Documents.
Get PriceEmail contact
Asphalt Pavement and Recycling Technologies Inc, CA. Performance Graded Asphalt Cements Testing. Asphalt Cement Testing. Liquid Asphalt Testing. Emulsified Asphalt Testing. Asphalt Mixture Testing. Recycling Mix Designs Testing. Slurry Seal Testing.
Get PriceEmail contact
Summary - SUPERPAVE Performance Graded (PG) system AASHTO M320 Fundamental properties related to pavement performance In-service construction temperatures Short and long term aging Key issue is property requirements are constant and the temperature at which these properties must be
Get PriceEmail contact
Jan 06, 2021 Porous asphalt concrete (PAC) is an open-graded friction course that is specifically designed to have high air void contents for removing water from the pavement surface. PAC surfaces, which include open-graded friction courses, permeable friction courses, and drainage asphalt pavements, have increasingly gained acceptance among agencies and industry in the world. PAC
Get PriceEmail contact
Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. Asphalt mixtures have been used in pavement construction since the beginning of the twentieth century.
Get PriceEmail contact
ITEM 416.03000008 – PERFORMANCE GRADED BINDER ITEM 416.04000008 – FOG SEAL ITEM 416.05000008 – PORTLAND CEMENT Page 1 of 6 6/23/2014 416–1 DESCRIPTION Cold recycling asphalt concrete consists of milling the existing pavement, mixing with
Get PriceEmail contact
Dec 15, 2020 Viscosity Graded Asphalt Cement: 263/264: 2/15/2021: 3/18/2021: 4/1/2021: 5/13/2021: 5/27/2021: Performance Graded Asphalt Binder: 263/264: 2/15/2021: 3/25/2021: 4/8/2021: 5/20/2021: 6/3/2021: Asphalt Mixture Hveem Design: 75/76: 3/15/2021: 5/6/2021: 5/20/2021: 7/1/2021: 7/15/2021: Asphalt Mixture Marshall Design: 75/76: 3/15/2021: 5/6/2021: 5 ...
Get PriceEmail contact
D6154-15 Standard Specification for Chemically Modified Asphalt Cement for Use in Pavement Construction. D6373-21a Standard Specification for Performance-Graded Asphalt Binder. See also WK73581 proposed revision. See also WK77598 proposed revision. D6626-15(2021) Standard Specification for Performance-Graded Trinidad Lake Modified Asphalt Binder
Get PriceEmail contact