Superpave Mix Design and Laboratory Testing of Reacted and Activated Rubber Modified Asphalt Mixtures by Janak Shah A Thesis Presented in Partial Fulfilment Of the Requirements for the Degree Master of Science Approved June by the Graduate Supervisory Committee Kamil E. Kaloush, Chair Michael Mamlouk Jeffery Stempihar ARIZONA STATE UNIVERSITY
Learn MoreAASHTO R 35, Edition, - Standard Practice for Superpave Volumetric Design for Asphalt Mixtures. This standard practice for mix design evaluation uses aggregate and mixture properties to produce a hot mix asphalt (HMA) job mix formula. The mix design is based on the volumetric properties of the asphalt mixture in terms of the air voids
Learn MoreIn Superpave, the volumetric design of asphalt mixtures requires consideration of air voids, voids in the mineral aggregate (VMA), and voids filled with asphalt (VFA). The percent air voids is used as the basis for selecting the asphalt binder content.
Learn MoreJun 08, · Determine the Degree of Blending between RAP and Binder Using the Superpave Volumetric Mixture Design. Adding reclaimed asphalt pavement (RAP) into asphalt mixes is a common practice and has many merits such as reducing costs and emissions. In the recent decade, many state highway agencies have embarked on investigating asphalt mixes
Learn MoreAASHTO Standards: M 320, Performance-Graded Asphalt Binder M 323, Superpave Volumetric Mix Design R 30, Mixture Conditioning of Hot Mix Asphalt (HMA) T 2, Sampling of Aggregates T 11, Materials Finer Than 75-µm (No. 200) Sieve in Mineral
Learn MoreAsphalt Mixtures : Asphalt mixtures sometimes referred as hot mix asphalt (HMA) . It is a paving material that consists of asphalt binder and mineral aggregate. The volumetric densification characteristics of trial blend are analyzed and compared with "Superpave mix design criteria".
Learn MoreThis specification for a superpave volumetric mix design uses aggregates and mixture properties to produce a hot mix asphalt (HMA). - This standard specifies minimum quality requirements for binder, aggregates, and hot mix asphalt for superpave volumetric mix design. -
Learn More3. Using a volumetric design, define the asphalt content (ACv) meeting the requirement of 4.0 percent air voids at Ndesign. While the use of reclaimed asphalt pavement (RAP) was pervasive during the 1990s, the implementation of Superpave kept RAP content in mixtures at a minimum.
Learn MoreThe Superpave volumetric mix design process also contains a required minimum value for fine aggregate angularity(FAA) as a function of The Superpave volumetric mixture design process is well documented in the literature (3, 15). In Table 3, design asphalt content and VMA values are
Learn MoreA completed Superpave Mixture Design from a CTQP Qualified Mix Designer, meeting the specified mixture volumetric criteria as specified in Section 334 of the Florida Department of Transportation Standard Specifications for Road and Bridge Construction (see Figures 1 & 2). b. A Pavement Composition Data Sheet (if applicable, see Figure 3).
Learn MoreRecent research developments have indicated that asphalt mixture durability and pavement life can be increased by modifying the Superpave asphalt mixture design method to achieve in-place densities of 95%—approximately 2% higher than the density requirements of conventionally designed Superpave mixtures.
Learn MoreNov 01, · The Superpave Gyratory Compactor (SGC) shown in Fig. 2a was utilized to compact the asphalt mixtures at a design number of gyrations (N design) of 109 according to the Superpave specifications (design traffic level of 10–30 million ESALs and design air temperature of less than 39 °C) shown in Table 2.
Learn Moreresearch to implement a cracking resistance test to further modify the Superpave volumetric asphalt mixture design method in Arkansas. The Illinois Flexibility Index Test (I-FIT) was the test chosen to analyze for this research. Two aging methods were tested, a short term oven aging (AASHTO R30 ST) and a long term oven aging (NCAT) method.
Learn MoreThe recycling of road and airport asphalt pavements requires greater reliability of mix design in order to ensure proper rehabilitation and effective reuse of recycled asphalt concrete. Currently, internationally, the most effective mix design procedures for recycled asphalt concrete with RAP (Reclaimed Asphalt Pavement) refer to guidelines developed by SuPerPave® Mixtures Expert Task Group.
Learn MoreJun 02, · In this study, Superpave mixtures with 20, 30, and 40 percent RAP and fractionated RAP where tested to find out how these assumptions can influence volumetric properties of the Superpave mixtures with high RAP content. In addition, G sb tests were conducted on the aggregates obtained from the solvent extraction and ignition burn-off methods.
Learn MoreThe Asphalt Institute (2001) Superpave Mix Design (SP-2), 128 pp. Christensen, D. W., and R. F. Bonaquist (2006) NCHRP Report 567: Volumetric Requirements for Superpave Mix Design, Final Report for NCHRP Projects 9-25 and 9-31, TRB, National Research Council, Washington, DC, 57 pp. Prowell, B. D. and E. R. Brown (2007) NCHRP Report 573
Learn MoreSuperpave mixtures are usually used on medium to high volume roadways, performance design mixtures may be appropriate for applications ranging from high volume (or high demand) roadways to low volume (or low demand) roadways. Superpave mixtures can
Learn MoreThe Superpave mixture design and analyses system uses three rigorous degrees of testing and analyses to produce a well performing mixture for a given pavement Superpave mix design (volumetric design) . Ancillary test equipment required in the preparation of Superpave asphalt mixtures includes: 1. Ovens, thermostatically-controlled, for
Learn MoreNov 30, · Develop an enhanced asphalt mixture design system for Pakistan based on the state-of-the-art methodologies (such as the Superpave) and the local material properties, traffic needs, and
Learn MoreDec 15, · Volumetric Requirements for Superpave Mix Design • Effect of Mix Variables on Fatigue Life • Relationships exist between the fatigue resistance of asphalt mixtures and volumetric composition • Fatigue resistance increases with increasing volume of effective binder (VBE) • assuming no change in design compaction, design air voids
Learn MoreVolumetric Analysis-Based Comparison between Superpave and Marshall Mix Design Procedures. Ghazi Al-Khateeb. Download PDF. Download Full PDF Package. General Directorate for Materials and Research Hot Asphalt Mix Design System Using Superpave System Detailed in Asphalt Institute SP-2 and the AASHTO 2005 Standards.
Learn MoreConsidering the links to both compactors and to volumetric analysis, Superpave can trace its roots back more than 100 years to the Richardson method of mix design that was done in the late 1890s. During the Strategic Highway Research Program, from which Superpave was developed, there was discussion about setting up Superpave in a similar
Learn Morefeasibility and performance of Superpave-designed mixtures. For instance, a study was conducted in Taiwan to compare the volumetric and mechanical performance properties of Superpave mixtures and typical Taiwan mixtures (TTM) using the Marshall method [6]. It was found that the binder contents of the
Learn MoreJan 01, · The mix design is based on the volumetric properties of the asphalt mixture in terms of the air voids, voids in the mineral aggregate (VMA), and voids filled with asphalt (VFA). Standard Practice for Superpave Volumetric Design for Asphalt Mixtures This standard practice for mix design evaluation uses aggregate and mixture properties to
Learn MorePP28. Superpave Volumetric Design of Hot-Mix Asphalt (HMA). 4.0 significance and use. The Certified Volumetric Hot Mix Asphalt Producer Program is a program whereby the Producer takes responsibility for the production of quality mixture in accordance with contract requirements, and the
Learn MoreHot Mix Asphalt (HMA) Types means Superpave and SMA mixes, including Superpave 4.75, 9.5, 12.5, 12.5 FC1 and Stone Mastic Asphalt. TABLE 5. Superpave HMA Volumetric Properties. Material specification for superpave and stone mastic asphalt mixtures.
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