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Preparation process and properties of polyurethane/phosphogypsum-modified asphalt and its mixtures. [PDF]

PLoS ONE
The preparation process parameters and composition of polyurethane/phosphogypsum-modified asphalt were studied to achieve comprehensive utilization of phosphogypsum and reduce asphalt pavement costs while ensuring performance compliance.
Jinshun Xue, Yu Yang, Junfeng Li, Wei Zhao, Yuanyuan Wang   +4 more
doaj   +2 more sources

Study on rheological and micro-structural properties of different modified asphalt by using organic and inorganic modifier

Case Studies in Construction Materials, 2023
In order to evaluate the high and low temperature rheological properties of different modified asphalt, this paper prepared different types of modifiers and short-term aging modified asphalt (RTFOT), using dynamic shear rheometer (DSR) and bending beam ...
Song Zhao, Haitao Zhang, Yuping Feng, Jingdi Li, Meiyi Gao, Guangyuan Wu   +5 more
doaj   +1 more source

Thermosetting resin modified asphalt: A comprehensive review

Journal of Traffic and Transportation Engineering (English ed. Online), 2023
Thermosetting resins have advantages such as high strength, corrosion resistance, and aging resistance, and have excellent prospects for practical application as asphalt modifiers. In order to promote the research of thermosetting resin modified asphalt,
Zengping Zhang, Hao Liu, Xiaoyi Ban, Xiaosong Liu, Yinxiao Guo, Jia Sun, Yanqi Liu, Suyu Zhang, Jiahao Lei   +8 more
doaj   +1 more source

Fatigue Properties of Rubber Modified SMA Asphalt Mixture [PDF]

MATEC Web of Conferences, 2019
To evaluate fatigue propertiesof rubber modified SMA asphaltmixture, based on optimizing the preparation process of rubber asphalt, the splitting fatigue testsof three kinds of asphalt mixture is carried out including ordinary asphalt, modified asphalt ...
Hai-bin Deng, Xiang Ma, De-yi Deng, Le Tan   +3 more
doaj   +1 more source

Preparation and Properties of SBS/REOB-Modified Rejuvenated Asphalt

Applied Sciences, 2022
REOB (Recycled Engine Oil Bottom) rejuvenated asphalt can solve the problems of environmental pollution and resource waste. In order to improve the performance of REOB rejuvenated asphalt, an SBS modifier was applied.
Yanchen Cui, Jin Li, Li Zhu, Shen Zuo, Miaozhang Yu, Peng Liu, Xinzhuang Cui   +6 more
doaj   +1 more source

Effect of diffusion on interfacial properties of polyurethane-modified asphalt–aggregate using molecular dynamic simulation

Reviews on Advanced Materials Science, 2022
In order to understand the diffusion behavior of polyurethane (PU) in asphalt and the adhesion between modified asphalt and aggregate, the diffusion system of PU-modified asphalt was studied by molecular dynamics simulation software.
Zhao Song, Zhang Haitao, Feng Yuping, Hang Yutong   +3 more
doaj   +1 more source

Natural Rubber Modified Asphalt [PDF]

IOP Conference Series: Earth and Environmental Science, 2020
AbstractThe asphalt binder is modified using natural rubber (NR) based on cup lump to improve its performance and service life due to intense load and weather induced stress. A source of PG 60-70 asphalt was used for preparing a natural rubber modified asphalt, (NRMA).
Mazlina Mustafa Kamal, Kamarul Arifin Hadithon, Rohani Abu Bakar   +2 more
openaire   +1 more source

"Analysis on top-down cracking resistance of rubber-plastic modified asphalt pavement"

Hecheng xiangjiao gongye, 2023
The properties of rubber-plastic modified asphalt mixture and SBS modified asphalt mixture were compared by splitting test, triaxial repeated load test and small beam bending test, and the stress variation law of the upper layer cracks on asphalt ...
HE Wei, LI Xin
doaj   +1 more source

Materials, preparation, performances and mechanism of polyurethane modified asphalt and its mixture: A systematic review

Journal of Road Engineering, 2023
With the rapid development of asphalt pavement technology, it has attracted considerable attention to improving the durability of asphalt pavement. An effective action is to use modified asphalt with high performance and durability. Polyurethane (PU) has
Chaohui Wang, Shuai Huang, Qian Chen, Xiaoping Ji, Kaixi Duan   +4 more
doaj   +1 more source

The Development of a New Thermoplastic Elastomer (TPE)-Modified Asphalt

Buildings, 2023
The use of (recycled) plastics and (waste) vulcanized rubber powder is the main polymer of raw materials, and composite organic additives are selected to fully combine with asphalt components.
Rui Dong, Aodong Gao, Ying Zhu, Bin Xu, Jierong Du, Shujiang Ping   +5 more
doaj   +1 more source