Toward a Micromechanics-Based Procedure to Characterize Fatigue Performance of Asphalt Concrete

2002 ◽  
Vol 1789 (1) ◽  
pp. 121-128 ◽  
Author(s):  
Murthy N. Guddati ◽  
Zhen Feng ◽  
Y. Kim
2020 ◽  
Vol 44 (2) ◽  
pp. 133-139
Author(s):  
Fenglin Meng ◽  
Danying Gao ◽  
Faqi Chen ◽  
Chunshui Huang

Author(s):  
Md Mehedi Hasan ◽  
Hasan M. Faisal ◽  
Biswajit K. Bairgi ◽  
A. S. M. Rahman ◽  
Rafiqul Tarefder

Asphalt concrete’s dynamic modulus (|E*|) is one of the key input parameters for structural design of flexible pavement according to the Mechanistic Empirical Pavement Design Guide (MEPDG). Till this day, pavement industry uses |E*| to predict pavement performance whether the material is hot mix asphalt (HMA) or warm mx asphalt or Reclaimed Asphalt Pavement (RAP) mixed HMA. However, it is necessary to investigate the correlation of |E*| with laboratory performance testing. In this study, laboratory dynamic modulus test was conducted on four different asphalt concrete mixtures collected from different construction sites in the state of New Mexico and mastercurves were obtained to evaluate dynamic modulus (|E*|) for a wide range of frequency. In addition, fatigue performance of these mixtures was predicted from the mastercurves and compared with the laboratory fatigue performance testing. Fatigue performance of these mixtures was evaluated from the four point beam fatigue test. The laboratory results show a good agreement with the predicted value from mastercurves. It is also observed from this study that the fatigue life of the asphalt concrete materials decreases with increase in |E*| value.


2016 ◽  
Vol 852 ◽  
pp. 1488-1492 ◽  
Author(s):  
Jin Rong Wu ◽  
Qin Yong Ma ◽  
Xiao Hong Dong

The change law for fatigue properties of polyester fiber asphalt concrete was acquired under different asphalt content by three point bending tests. The results indicate that fatigue life of polyester fiber asphalt concrete increases firstly and then declines with asphalt content increasing, which shows an optimum asphalt content,4.8%. The optimal asphalt content of polyester fiber asphalt concrete is bigger than that of common asphalt concrete. The way to improve fatigue performance of asphalt pavement is found through studying on polyester fiber asphalt concrete. All will provide a theoretical basis for structural design of asphalt pavement.


2019 ◽  
Vol 14 (4) ◽  
pp. 521-542
Author(s):  
Robert Jurczak ◽  
Paweł Mieczkowski ◽  
Bartosz Budziński

The environmental considerations need to be taken into account in any road resurfacing and upgrading project, for example, by reusing asphalt rubble for production of new pavement courses. Mixtures containing larger amounts of recycled asphalt pavement are improved by adding rejuvenator additives. The tests performed on the recycled asphalt mixtures containing lard imidazoline confirm the suitability of this agent for paving applications. Lard imidazoline was found to improve the stiffness modulus, fatigue performance and resistance to the action of water and freezing temperatures. The parameters obtained at the optimum content of additive complied with the criteria defined for virgin asphalt concrete and other mixtures of that kind.


2018 ◽  
Vol 48 (5) ◽  
pp. 20170722 ◽  
Author(s):  
Xuan Chen ◽  
Mansour Solaimanian

Materials ◽  
2021 ◽  
Vol 14 (18) ◽  
pp. 5323
Author(s):  
Zhicheng Xiao ◽  
Wenke Huang ◽  
Kuanghuai Wu ◽  
Guihai Nie ◽  
Hafiz Muhammad Zahid Hassan ◽  
...  

Epoxy asphalt concrete, mortar asphalt concrete and Gussasphalt concrete are commonly used types of deck pavement materials in bridge deck pavement engineering. However, achieving the high-temperature stability and anti-fatigue performance of the deck pavement materials is still challenging. In order to reduce the rutting and cracking risks of the asphalt mixture, this paper proposed pre-coated aggregates grouting asphalt concrete (PGAC) for bridge deck pavement. Laboratory tests were conducted to determine the optimum grouting materials and to evaluate the mechanical performances of the PGAC material. Test results showed that the mechanical properties for PGAC with grouting material of high-viscosity-modified asphalt binder blending with mineral filler were superior to that of GMA-10 used for the Hong Kong-Zhuhai-Macau Bridge deck pavement. Microstructural analysis showed that the PGAC had a more stable skeleton structure compared to other typical aggregate mixtures. This study highlights the performances of the proposed PGAC and sheds light on the deck pavement material improvement of both high-temperature stability and anti-fatigue performance that could be achieved.


1999 ◽  
Vol 27 (5) ◽  
pp. 343 ◽  
Author(s):  
DR Petersen ◽  
RE Link ◽  
DV Ramsamooj

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