ASTM International
... and Care of Process Cuts, Books, New Things, Asphalt and Bichromate, Mixed, Practical Pointers, Answers to Correspondents, ...
1897 - Gale Group | NCCO Photography
Xueyuan Ren, Aimin Sha, Jiange Li, Wei Jiang, Wenxiu Jiao, Wangjie Wu, Xianwu Ling,
Enhancing the microwave self-healing capability of asphalt mixtures is a crucial step in achieving energy-efficient and emissions-reducing road maintenance. Along these lines, carbon fiber powder (CFP), which is ... partially replace limestone powder (LP) as filler in asphalt mixture to improve microwave self-healing capacity and ... temperature cracking resistance. The properties of CFP-based asphalt mastics and asphalt mixtures were studied from aspects of physical and chemical properties of fillers, rheological properties of asphalt mastics, low-temperature performance of asphalt mixtures, microwave ...
Tópico(s): Smart Materials for Construction
2024 - Elsevier BV | Journal of Cleaner Production
Book.
1938 - Gale Group | World Scholar Latin America
Dongzhao Jin, Lei Yin, Lance Malburg, Zhanping You,
... is a promising technology for the rehabilitation of asphalt pavements. However, the CIR asphalt pavement constructed in the field often has high ... was to assess the laboratory performance of CIR asphalt mixes under freeze-thaw conditions (The mix prior ... PMED). Moisture susceptibility was evaluated by preparing CIR asphalt mixtures under dry condition and freeze-thaw conditions. ... used to assess the elastic deformation characteristics. The asphalt was extracted from the loose material, and the ... using the Dynamic Shear Rheometer (DSR) test and Asphalt Binder Cracking Device (ABCD) test, respectively. Based on ...
Tópico(s): Concrete and Cement Materials Research
2024 - Elsevier BV | Case Studies in Construction Materials
Book.
1938 - Gale Group | World Scholar Latin America
Bo Li, Jihong Han, Dingbang Wei, Haidong Ji, Tengfei Yao, Haopeng Wang, Jie Han, Yunpeng Zhang,
... of a waste vegetable oil rejuvenator on aged asphalt binder. The model's accuracy was verified through ... utilized to assess the aggregation state of different asphalt binder components. The impact of the waste vegetable oil rejuvenator on asphalt binder microstructure was evaluated using cohesive energy density ( ... in functional groups of the aged and recycled asphalt binder samples were analyzed using Fourier transform infrared ... SARA components. Improved compatibility between aged and virgin asphalt binders is achieved through increased activity of asphaltenes ...
Tópico(s): Petroleum Processing and Analysis
2024 - Elsevier BV | Journal of Cleaner Production
Book.
1938 - Gale Group | World Scholar Latin America
Lei Zhang, Yongchang Cui, Chao Xing, Mingyu Shan, Fei Gao,
During the production and transport of reclaimed asphalt pavement (RAP), the diffusion of recycled aged asphalt binder and virgin asphalt binder can significantly affect the mechanical properties of the virgin and aged asphalt binder system. Therefore, a thorough understanding of the diffusion behavior of virgin and aged asphalt binder system is essential for the production of ... a diffusion model of the virgin and aged asphalt binder system was established based on the Fick' ... the diffusion behavior of the virgin and aged asphalt binder system and to compare the simulated and ...
Tópico(s): Geotechnical Engineering and Underground Structures
2024 - American Society of Civil Engineers | Journal of Transportation Engineering Part B Pavements
ASTM International
Book.
1939 - Gale Group | World Scholar Latin America
Lin Kong, Zilin Wang, Shaonan Su, Jianhong Yue, Wenrui Luo, Shengxiong Zhou, Dongya Ren, Changfa Ai,
The aging behavior of thermoplastic polyurethane-modified asphalt (TPUMA) is intricate and the mechanisms of its thermal degradation are not well understood. This study examines the viscoelastic, chemical and morphological characteristics of thermoplastic polyurethane modified asphalt (TPUMA) under different aging conditions (RTFOT/PAV). The ... on TPUMA, with SBS (styrene–butadiene–styrene) modified asphalt serving as the control group. The relationship between ... rheological behavior and medium-temperature fatigue properties of asphalt through temperature sweep, multiple stress creep recovery (MSCR), ...
Tópico(s): Innovative concrete reinforcement materials
2024 - Elsevier BV | Construction and Building Materials
Book.
1939 - Gale Group | World Scholar Latin America
Xin Xiao, Jiayu Wang, Tao Wang, Serji N. Amirkhanian, Feipeng Xiao,
Understanding the relationships between rheological properties and asphalt chemical compositions is of great significance for viscoelasticity modeling and performance prediction. This paper explored the qualitative and quantitative correlation between linear viscoelasticity and asphalt chemistry in terms of proportion and polarity of ... fourier transform infrared spectroscopy (FTIR) spectra, and new asphalt polarity indices were proposed on this basis. Sufficient SARA fractions were collected to obtain the derived asphalt binders, and the 2S2P1D and Burgers models were ...
Tópico(s): Infrastructure Maintenance and Monitoring
2024 - Elsevier BV | Fuel
ASTM International
Book.
1939 - Gale Group | World Scholar Latin America
Wenjing Xia, Ming Dong, Tao Xu,
... in road tunnel often cause severe fires on asphalt pavement to release a lot of heat and ... synergistic suppression mechanisms on the combustion behaviors of asphalt pavement between CFR and WMA, and among the ... of FWA and CFR on combustion properties of asphalt mixtures were characterized. Results indicate that WMA has ... role. Also, CFR shows obvious suppression effects on asphalt mixture combustion in both gas and condensed phases. FWA efficiently retards asphalt mixture combustion because of synergistic effect between CFR ...
Tópico(s): Toxic Organic Pollutants Impact
2024 - Elsevier BV | Journal of Cleaner Production
ASTM International
Book.
0000 - Gale Group | World Scholar Latin America
Kui Hu, Jiawang Zhou, Sen Han, Yujing Chen, Wengang Zhang, Chengqian Fan,
Incorporating recycled concrete aggregate (RCA) into hot mix asphalt mixtures is an effective means of reducing natural ... it reduces the adhesion energy between RCA and asphalt interface, resulting in the performance decline of RCA asphalt mixture. To address this issue, this study used ... to enhance the adhesion performance at the RCA/asphalt interface. The enhancing mechanism of SCA on the ... experimental results indicated that the performance of RCA asphalt mixes was significantly improved after modification of RCA ...
Tópico(s): Concrete and Cement Materials Research
2024 - Elsevier BV | Materials Today Communications
ASTM International
Book.
1939 - Gale Group | World Scholar Latin America
Jue Li, Yurong Qin, Xinqiang Zhang, Bailin Shan, Chaochao Liu,
The emission of volatile organic compounds (VOCs) from asphalt during construction processes presents substantial risks to human ... influencing factors, release mechanisms, and environmental impacts of asphalt VOCs. At present, research has been conducted on ... spectrometry is the most comprehensive method for characterizing asphalt VOCs. Asphalt VOCs mainly comprise alkanes, aromatics, and aliphatic hydrocarbons. Factors including the temperature, asphalt source, and ultraviolet radiation can all affect the ...
Tópico(s): Vehicle emissions and performance
2024 - American Chemical Society | Energy & Fuels
Book.
1938 - Gale Group | World Scholar Latin America
Tangxin Xie, Zhongming He, Huanan Yu, Yuetan Ma, Changyun Shi, Chao Zhang, Jinguo Ge, Wan Dai,
... rubber materials represent an environmentally sustainable option as asphalt modifiers. This research delves into the modification effects of Styrene Butadiene Rubber (SBR) asphalt at varying SBR content levels, employing a blend ... experimentation. A comprehensive molecular model of SBR-modified asphalt is established, and molecular dynamics simulations are executed ... mechanical characteristics, and adhesion properties inherent to SBR asphalt. The outcomes of this inquiry reveal that SBR exhibits notable compatibility with a majority of asphalt molecules, as evidenced by their dipole moments. The ...
Tópico(s): Polymer Nanocomposites and Properties
2024 - Elsevier BV | Fuel