Results 211 to 220 of about 3,464,569 (292)

A review of phase structure of SBS modified asphalt: Affecting factors, analytical methods, phase models and improvements

Construction and Building Materials, 2021
SBS modified asphalt (SBSMA) is widely used in asphalt pavement, but due to the characteristics of the materials and the effects of the environment and construction, the phase structure of SBSMA often undergoes adverse changes.
Mingyuan Chen, Jiuguang Geng
exaly   +2 more sources

Polyurethane/graphene oxide nanocomposite and its modified asphalt binder: Preparation, properties and molecular dynamics simulation

Materials and Design, 2021
In this paper, reactive polyurethane and graphene oxide were used to prepare polyurethane/graphene oxide (PU/GO) nanocomposite, which were polymerized in situ and then were sheared at high-speed in asphalt.
Ruien Yu, Yue Xiao, Xing Zhou
exaly   +2 more sources

Molecular simulation and experimental analysis on co-aging behaviors of SBS modifier and asphalt in SBS-modified asphalt

Molecular Simulation, 2023
Styrene-butadiene-styrene block copolymer (SBS) is the most commonly used asphalt modifier. Studying the aging process of SBS-modified asphalt and clarifying the role of SBS and asphalt in the aging process can provide a basis for the targeted ...
Guangji Xu, Yushi Yao, Menghua Wu, Yongli Zhao   +3 more
semanticscholar   +1 more source

Characterization of contaminant leaching from asphalt pavements: A critical review of measurement methods, reclaimed asphalt pavement, porous asphalt, and waste-modified asphalt mixtures.

Water Research, 2022
In recent years, the pavement industry has been seeking sustainable development through recycling reclaimed asphalt pavement and reusing other waste materials as replacements for asphalt mixture constituents.
Mehrdad Asadi Azadgoleh, M. M. Mohammadi, A. Ghodrati, Seyed Sina Sharifi, Seyed Mohammad Mahdi Palizban, Arman Ahmadi, Ehsan Vahidi, P. Ayar   +7 more
semanticscholar   +1 more source

Weather aging effects on modified asphalt with rubber-polyethylene composites.

Science of the Total Environment, 2022
Weather aging may cause more severe degradation on asphalt than thermal-oxidative aging due to the synergistic effect among oxygen, heat, ultraviolet (UV) radiation, and moisture.
Yuetan Ma, Shifeng Wang, Miaomiao Zhang, Xi Jiang, Pawel Polaczyk, Baoshan Huang   +5 more
semanticscholar   +1 more source

Performance evaluation of polyurethane/epoxy resin modified asphalt as adhesive layer material for steel-UHPC composite bridge deck pavements

Construction and Building Materials, 2021
Polyurethane/epoxy resin modified asphalt (PEA) has substantial potential in functioning as adhesive layer material for steel-ultra high performance concrete (UHPC) composite bridge deck pavements. In this research, the curing process of PEA was analyzed
Qiusheng He, Henglong Zhang, Jia Li, H. Duan   +3 more
semanticscholar   +1 more source

Chemical, morphological and rheological investigations of SBR/SBS modified asphalt emulsions with waterborne acrylate and polyurethane

Construction and Building Materials, 2021
The performance of asphalt emulsion tended to be unsatisfactory for pavement maintenance or cold mix paving due to deficiency of cohesive strength, even if SBR/SBS modification had been conducted.
Ling Xu, Xianrui Li, Qidi Zong, F. Xiao
semanticscholar   +1 more source

A laboratory study of epoxy/polyurethane modified asphalt binders and mixtures suitable for flexible bridge deck pavement

, 2021
Asphalt binder is prone to thermal cracking, which limits its application in flexible bridge deck pavement. Binders of rubbery characteristics, such as polyurethane (PU) and epoxy resin (EP), having high strength, modulus and toughness, could be ...
Zengping Zhang, Jia Sun, Zhigang Huang, Feng Wang, Meng Jia, Wenjiang Lv, J. Ye   +6 more
semanticscholar   +1 more source

Rheological and adhesion properties of nano-organic palygorskite and linear SBS on the composite modified asphalt

, 2021
High-quality asphalt with a composite modifier is necessary for the high-grade pavement to meet the requirements. In this study, nano-organic palygorskite (O-PAL) was successfully prepared by acid activation and silane modification.
Jiao Jin, Yuchao Gao, Yinrui Wu, Shuai Liu, Ruohua Liu, Hui Wei, G. Qian, Jianlong Zheng   +7 more
semanticscholar   +1 more source

Reaction mechanism and rheological properties of waste cooking oil pre-desulfurized crumb tire rubber/SBS composite modified asphalt

, 2021
Waste cooking oil (WCO) is proved to be effective in desulfurization of crumb tire rubber (CTR), which can be considered as a sustainable desulfurization technology and an alternative way to solve the poor storage stability of asphalt rubber.
Mengzhen Zhao, Ruikun Dong
semanticscholar   +1 more source