...Wellington Borba Broering; João Victor Staub de Melo; Alexandre Luiz Manfro This article presents the results of research that aimed to develop asphalt nanocomposites (conventional asphalt binder + nano-aluminum oxide [Al 2 O 3 ]) with greater thermal conductivity and better rheological/mechanical...

... amine light stabilizer (HALS) as UV-resistant additives, the modified asphalt binders were prepared by adding CB and HALS. The dispersibility of UV-resistant additives in asphalt binder was evaluated by using a fluorescence microscope. Then, the aging resistance of additives and their effects on virgin...

...Ning Xu; Hainian Wang; Peng Zhang; Yuanle Li; Huimin Wang; Hu Jiao; Shenglan Liu Dry modification of modified asphalt mixtures prepared by mixing the modifier with the aggregate and asphalt binder is a simple and environmentally friendly process. It can avoid the segregation of modified asphalt...

...Kun Zhang The natural weather aging test (NWAT) for asphalt binders is an essential benchmark aging test used to investigate the aging evolution of asphalt binders under actual weather conditions. This study assessed the aging rates of olive pomace–modified asphalt binders and the control neat...

... on the influence of RAP materials on the physical hardening of asphalt binders. In this paper, the physical hardening rate from the dynamic mechanical analysis test and grade loss deduced by the extended bending beam rheometer experiment were used to characterize the physical hardening of the RAP-modified asphalt...

...Hongming Huang; Zihao Chen; Juechi Li; Junzhuo Wang; Yang Fang; Chaofan Wu; Henglong Zhang Aging simulation methods for asphalt materials can be generally classified into two types: for asphalt binder and for asphalt mixture. Nevertheless, there exists the aging effect difference between aging...

...Honglei Wang; Jianfeng Liu; Hua Qin; Xue Wang; Zhuohui Tao; Shihui Shen Zero shear viscosity (ZSV) has been proven to be a reasonable indicator for characterizing the high-temperature performance of asphalt binders. Various test methods and models have been used in the literature to determine...

...:10.1520/JTE20200432 / Vol. 49 / No. 6 / 2021 / available online at www.astm.org Mukesh Ravichandran1 and Cassie Castorena2 Critical Evaluation of Dynamic Shear Rheometer (DSR)-Based Methods to Measure Asphalt Binder Diffusion Reference M. Ravichandran and C. Castorena, Critical Evaluation of Dynamic...

...Roozbeh Zarroodi; Koorosh Naderi; Mehdi Moazami Goodarzi; Hossein Nazari; Fereidoon Moghadas Nejad One method for reducing the rutting failure of asphalt pavements is to modify the asphalt binder with polyethylene. However, the instability and phase separation between components has always been...

...Md. Shahriar Alam; Zahid Hossain; Gaylon Baumgardner Asphalt binders and their chemical compositions vary widely based on their crude sources. Chemical modifications are often implemented to attain certain rheological and chemical superiorities over neat (unmodified) binders. These modifications...

...Qunshan Ye; Serji Amirkhanian; Jin Li; Zixuan Chen Recycling of waste plastic is an issue of great concern worldwide because of its considerable quantity and growth. The effects of waste polyethylene (PE) on the rheological properties of asphalt binder were investigated in this research. Three...

...Pengcheng Shi; Zhen Dai; Hong Zhu; Qiju Gao; Xinsheng Li; Junan Shen The nanoscaled properties including morphology and mechanics of recovered asphalt binders from open-graded friction course (OGFC) asphalt mixtures weathered in a laboratory were measured by atomic force microscopy. In addition...

...Chao Wang; Yang Wang; Yangzhou Chen; Aboelkasim Diab; Zhanping You The objective of this article is to investigate the effects of temperature on rutting and fatigue cracking resistance of asphalt binders based on the time-temperature superposition principle (TTSP). In this study, the TTSP approach...

...Qiang Li; Zhuoyu Zhang; Shuai Zhang This study evaluates the pavement performance evolution of warm-mix recycled asphalt binders during the secondary service period. Warm-mix recycled asphalt binders with various long-term aging levels and recycling plans were produced by the laboratory simulation...

... of this study is to evaluate fatigue performance of asphalt binder and mixtures with different RAP percentages (0, 15, 25, 35 and 40 %). Among these, 35 and 40 % RAP mixes are considered as high RAP content. This study describes the results of laboratory fatigue response of asphalt mixtures and extracted...

...Z. Sun; B. Behnia; W. G. Buttlar; H. Reis An acoustic emission (AE)-based approach to evaluate low-temperature cracking susceptibility of both asphalt binders and asphalt mixtures is presented. The AE binder testing approach consists of a thin film of asphalt binder bonded to a granite substrate...

...Quantao Liu; Jin Tang; Liang He Asphalt binder is a self-healing material and it has a potential to heal faster with increased temperatures. This paper investigates the thermally activated healing of fatigue damage in three asphalt binders, trying to answer the question: At what temperatures do...

...A. S. M. Asifur Rahman; U. A. Mannan; R. A. Tarefder This study proposes a completely new regression-based predictive model to estimate dynamic modulus (| E* |) of asphalt concrete (AC) from the dynamic shear modulus (| G b * |) and binder phase angle ( δ b ) of the asphalt binder used in the AC...

...Shihui Shen; Xin Lu; Yuqing Zhang; Robert Lytton Viscoelastic asphalt binder plays an important role in bonding individual aggregate particles and contributes to the durability and stability of asphalt pavement. When asphalt binder is subjected to cyclic loading, deformation and fracture may...

... resin is the continuous phase, and the asphalt constitutes the dispersed phase. The sessile drop method was employed to measure the static contact angle between asphalt binders and three probe liquids. The surface free energies of the epoxy asphalt at different curing times were determined using...