Effect of bio-based stabiliser content on the performances of modified asphalt
Source abstract
Abstract
This paper presents the effects of bio-based stabiliser content on the performances of representative modified asphalts to explore the feasibility of replacing traditional sulphur powder or sulphur-based stabilisers. The optimal contents of the bio-based stabilizer for different modified asphalts were determined based on physical properties, Superpave performance grade and microscopic morphology. Results show that with increasing the bio-based stabiliser content (0.1 – 0.4%), the segregation softening point differences of modified asphalts decreased sharply and gradually maintained steady. Furthermore, the sensitivity of the modified asphalt to the bio-based stabiliser content was styrene-butadiene-styrene modified asphalt (SBSMA), high-viscosity modified asphalt (HVMA), and rubber-plastic modified asphalt (RPMA) in descending order. Based on the analysis of macro- and micro-performances, it can be proposed that the optimal content of bio-based stabiliser was 0.2% for SBSMA, 0.3% for HVMA, and 0.3%–0.4% for RPMA, respectively.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Asphalt Pavement Performance Evaluation · Infrastructure Maintenance and Monitoring · Grouting, Rheology, and Soil Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, People’s Republic of China
School of Transportation Engineering, Shandong Jianzhu University, Jinan, People’s Republic of China
Hubei Fan-Wei Express Way Co., Ltd, Xiangyang, People’s Republic of China
Hunan Hi-speed Material Trade Co., Ltd, Changsha, People’s Republic of China
Hunan Province Express Way Group Co., Ltd, Changsha, People’s Republic of China
Shandong Survey and Design Institute of Water Conservancy Co., Ltd, Jinan, People’s Republic of China
Funding
National Natural Science Foundation of China · Key Program of Natural Science Foundation of Shandong Province · Shandong Provincial Young Scholars Innovative Research Team Development Program in Colleges and Universities
References (45)
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