scholarly journals Evaluation of Polymer Modified Asphalt Mixtures in Pavement Construction. (Dept. C)

2020 ◽  
Vol 40 (5) ◽  
pp. 74-82
Author(s):  
I. Amin ◽  
R. Alabasey ◽  
Abdelhalim Azam ◽  
Sherif EL-Badawy ◽  
A. Gabr
Keyword(s):  
Asphalt Mixtures ◽  
Modified Asphalt ◽  
Polymer Modified Asphalt ◽  
Pavement Construction

Performance Evaluation of Polymer Modified Asphalt Mixtures

2014 ◽  
Vol 1 (2) ◽  
pp. 33-50
Author(s):  
Eslam Magdy Mohammed Deef-Allah ◽  
◽  
Ahmed Mohamady ◽  
Keyword(s):  
Performance Evaluation ◽  
Asphalt Mixtures ◽  
Modified Asphalt ◽  
Polymer Modified Asphalt

scholarly journals Mechanical Characteristics of Graphene Nanoplatelets-Modified Asphalt Mixes: A Comparison with Polymer- and Not-Modified Asphalt Mixes

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2434
Author(s):  
Laura Moretti ◽  
Nico Fabrizi ◽  
Nicola Fiore ◽  
Antonio D’Andrea
Keyword(s):  
Fatigue Resistance ◽  
Graphene Nanoplatelets ◽  
Asphalt Mixtures ◽  
Asphalt Binders ◽  
Asphalt Mixes ◽  
Modified Asphalt ◽  
Bituminous Mixtures ◽  
Water Sensitivity ◽  
Polymer Modified Asphalt ◽  
Mechanical Performances

In recent years, nanotechnology has sparked an interest in nanomodification of bituminous materials to increase the viscosity of asphalt binders and improves the rutting and fatigue resistance of asphalt mixtures. This paper presents the experimental results of laboratory tests on bituminous mixtures laid on a 1052 m-long test section built in Rome, Italy. Four asphalt mixtures for wearing and binder layer were considered: two polymer modified asphalt concretes (the former modified with the additive Superplast and the latter modified with styrene–butadiene–styrene), a “hard” graphene nanoplatelets (GNPs) modified asphalt concrete and a not-modified mixture. The indirect tensile strength, water sensitivity, stiffness modulus, and fatigue resistance of the mixtures were tested and compared. A statistical analysis based on the results has shown that the mixtures with GNPs have higher mechanical performances than the others: GNP could significantly improve the tested mechanical performances; further studies will be carried out to investigate its effect on rutting and skid resistance.

Developing Master Curves and Predicting Dynamic Modulus of Polymer-Modified Asphalt Mixtures

2011 ◽  
Vol 23 (2) ◽  
pp. 131-137 ◽  
Author(s):  
Haoran Zhu ◽  
Lu Sun ◽  
Jun Yang ◽  
Zhiwei Chen ◽  
Wenjun Gu
Keyword(s):  
Dynamic Modulus ◽  
Asphalt Mixtures ◽  
Master Curves ◽  
Modified Asphalt ◽  
Polymer Modified Asphalt

Study on the Fatigue Property for Aged Asphalt Mixtures by Using Four Point Bending Tests

2009 ◽  
Vol 614 ◽  
pp. 289-294 ◽  
Author(s):  
Guo Jun Zhu ◽  
Shao Peng Wu ◽  
Ran Liu ◽  
Lei Zhou
Keyword(s):  
Natural Aging ◽  
Fatigue Property ◽  
Asphalt Mixtures ◽  
Bending Test ◽  
Fatigue Properties ◽  
Modified Asphalt ◽  
Four Point Bending ◽  
Aged Asphalt ◽  
Polymer Modified Asphalt ◽  
Effects Of Aging

The effects of aging on the fatigue property of polymer modified asphalt mixtures are investigated in this paper. Two kinds of aging procedures are adopted for the aging of specimens prepared with polymer modified asphalt mixtures. One is the short-time aging which means that the hot asphalt mixtures was heated in the oven for 4 hours at 135°C before compacted; The other called natural aging, with the original specimen exposed in the sunlight and subjected to the rain and temperature change for 3, 6 and 9 months. Four-Point Bending Test was conducted to evaluate fatigue properties of aged asphalt mixtures at 15°C compared with the original specimens. Test results indicate that the fatigue line of aged specimens have the same tendency as the original asphalt mixtures. However, the life of aged specimen is decreased significantly when compared with the original ones, especially of the natural aged specimens.

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