Evaluation And Performance Of Stabliziers In Stone Matrix Asphalt
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Author | : V. S. Punith |
Publisher | : |
Total Pages | : 11 |
Release | : 2011 |
Genre | : Asphalt |
ISBN | : |
This paper deals with the viability of using reclaimed polyethylene (PE) derived from low-density PE carry bags in shredded form collected from domestic waste as stabilizing fibers to evaluate the performance of stone matrix asphalt (SMA). Conventional SMA mixtures were used as reference mixture and were prepared using 60/70-grade asphalt cement and cellulose fibers as stabilizer. The use of PE-modified binder (PEMB) was also investigated as stabilizer in SMA mixtures. The performance of these mixtures was evaluated by conducting draindown, moisture susceptibility test, aging test, rutting test, creep test, permeability test, and fatigue life tests. The PE fibers reinforce the binder system, resulting in the increase in the viscosity of the system. Draindown test results indicated that PE fibers can be effectively used as a stabilizer in SMA to retard draindown of binder and mineral filler. To study the behaviour of SMA mixtures with different additives, mixtures were designed by Marshall and Superpave. Results showed that mixtures designed by Superpave yielded in 0.2 % reduced asphalt content compared to mixtures designed by the Marshall method. From the present study, results indicated that mixtures prepared with PE fibers showed improved performance than reference SMA mixtures with cellulose fibers. Mixtures prepared with PEMB showed improved performance properties compared to mixtures with PE fibers and cellulose fibers.
Author | : James E. Shoenberger |
Publisher | : |
Total Pages | : 181 |
Release | : 1997 |
Genre | : Cellulose fibers |
ISBN | : |
Author | : Robert Schmiedlin |
Publisher | : |
Total Pages | : 70 |
Release | : 2002 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Author | : Weidong Cao |
Publisher | : |
Total Pages | : 7 |
Release | : 2012 |
Genre | : Additives |
ISBN | : |
Three kinds of warm mix asphalt (WMA) additives (Sasobit, Evotherm, and CWA) were used in asphalt-rubber stone matrix asphalt (AR-SMA) to reduce the mixing and compaction temperatures of AR-SMA mixtures. In hot mix asphalt (HMA) mixture designs with the same air voids, the compaction temperatures of AR-SMA mixtures with different WMA additives were determined. The wheel tracking test, low temperature beam bending test, and indirect tensile test were conducted in order to evaluate the high temperature performance in terms of the resistance to rutting, the low temperature performance in terms of the resistance to cracking, and the moisture susceptibility of AR-SMA mixtures with WMA additives. The results indicate that the addition of Sasobit can improve high temperature performance significantly relative to the control mixture (AR-SMA without WMA additive), whereas the other additives yield no significant differences. Three WMA additives have significant effects on low-temperature performance, but they do not significantly increase moisture susceptibility relative to the control mixture.
Author | : E. Ray Brown |
Publisher | : Transportation Research Board |
Total Pages | : 84 |
Release | : 1999 |
Genre | : Asphalt |
ISBN | : 9780309063197 |
Part 1: Summary of research results; Part 2: Mixture design method, construction guidelines, and quality control/quality assurance procedures
Author | : Mark Rademaker |
Publisher | : |
Total Pages | : 124 |
Release | : 1996 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Author | : N. Paul Khosla |
Publisher | : |
Total Pages | : 266 |
Release | : 1996 |
Genre | : Pavements |
ISBN | : |
The primary objectives of this study were: (1) To evaluate the performance of stone mastic asphalt (SMA) mixes by performing fatigue tests, resilient modulus tests and creep tests; and (2) To input the resilient modulus, creep and fatigue data into the VESYS III-A pavement performance prediction model to determine the performance of the SMA mixes compared to the performance of the conventional, dense-graded asphalt mixes. Three surface course mixes were designed using the following mastic types: (1) Cellulose fibers; (2) Mineral fibers; and (3) Polymerized asphalt (Novophalt).
Author | : |
Publisher | : Strategic Highway Research Program (Shrp) |
Total Pages | : 164 |
Release | : 1993 |
Genre | : Technology & Engineering |
ISBN | : |
Author | : Krzysztof Blazejowski |
Publisher | : CRC Press |
Total Pages | : 332 |
Release | : 2016-04-19 |
Genre | : Technology & Engineering |
ISBN | : 1439819726 |
In the years since the development and subsequent success of Stone Matrix Asphalt (SMA), a plethora of articles have emerged, scattered throughout various publications. The time is right for a comprehensive resource that collects, examines, and organizes this information and makes it easily accessible. A compilation and distillation of the latest k
Author | : Byron E. Ruth |
Publisher | : |
Total Pages | : 67 |
Release | : 1994 |
Genre | : Asphalt |
ISBN | : |