Hot central-plant recycling technology: A systematic review on raw materials and performance-influencing factors
The hot central-plant recycling (HCPR) technology has been widely concerned by researchers in pavement engineering because of its excellent economic benefits and positive environmental outcomes. Over the last few years, the application of HCPR technology in highway construction and maintenance has i...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2025-08-01
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| Series: | Journal of Traffic and Transportation Engineering (English ed. Online) |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2095756425001084 |
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| author | Chengwei Xing Zhibin Chang Wei Jiang Zhanchuang Han Mingchen Li |
| author_facet | Chengwei Xing Zhibin Chang Wei Jiang Zhanchuang Han Mingchen Li |
| author_sort | Chengwei Xing |
| collection | DOAJ |
| description | The hot central-plant recycling (HCPR) technology has been widely concerned by researchers in pavement engineering because of its excellent economic benefits and positive environmental outcomes. Over the last few years, the application of HCPR technology in highway construction and maintenance has increasingly expanded. However, despite this wider adoption, critical issues concerning the composition of raw materials and performance-influencing factors of hot central-plant recycled asphalt mixtures (HCPRAM) necessitate careful consideration and deeper understanding. Therefore, conducting a detailed interpretation and systematic analysis of each component material and performance-influencing factors holds tremendous significance for advancing the design methodology, optimizing the production process, and enhancing the overall quality and durability of HCPRAM. This paper comprehensively reviews the current state-of-the-art research pertaining to the raw material composition and the crucial factors affecting the road performance of HCPRAM. Firstly, the functionality of recycled asphalt pavement (RAP) materials, virgin asphalt, virgin aggregates, rejuvenators, and fibers in the mixtures are introduced. Then, the influencing factors of the performance of HRAM are described in detail from both internal and external factors. Finally, the paper further discusses persistent challenges and knowledge gaps identified in the current research landscape of HCPR technology. Based on this critical analysis, pertinent recommendations are suggested to guide productive avenues for future research and development. |
| format | Article |
| id | doaj-art-fd261b2facc74a1598f77ac1fe46016d |
| institution | DOAJ |
| issn | 2095-7564 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Traffic and Transportation Engineering (English ed. Online) |
| spelling | doaj-art-fd261b2facc74a1598f77ac1fe46016d2025-08-20T02:57:59ZengKeAi Communications Co., Ltd.Journal of Traffic and Transportation Engineering (English ed. Online)2095-75642025-08-011241040106310.1016/j.jtte.2025.02.002Hot central-plant recycling technology: A systematic review on raw materials and performance-influencing factorsChengwei Xing0Zhibin Chang1Wei Jiang2Zhanchuang Han3Mingchen Li4Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, China; School of Highway, Chang'an University, Xi'an 710064, ChinaKey Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, China; School of Highway, Chang'an University, Xi'an 710064, ChinaKey Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, China; School of Highway, Chang'an University, Xi'an 710064, China; Corresponding author. Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, China.CCCC First Highway Engineering Group Co., Ltd., Beijing 100024, ChinaSchool of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China; Corresponding author.The hot central-plant recycling (HCPR) technology has been widely concerned by researchers in pavement engineering because of its excellent economic benefits and positive environmental outcomes. Over the last few years, the application of HCPR technology in highway construction and maintenance has increasingly expanded. However, despite this wider adoption, critical issues concerning the composition of raw materials and performance-influencing factors of hot central-plant recycled asphalt mixtures (HCPRAM) necessitate careful consideration and deeper understanding. Therefore, conducting a detailed interpretation and systematic analysis of each component material and performance-influencing factors holds tremendous significance for advancing the design methodology, optimizing the production process, and enhancing the overall quality and durability of HCPRAM. This paper comprehensively reviews the current state-of-the-art research pertaining to the raw material composition and the crucial factors affecting the road performance of HCPRAM. Firstly, the functionality of recycled asphalt pavement (RAP) materials, virgin asphalt, virgin aggregates, rejuvenators, and fibers in the mixtures are introduced. Then, the influencing factors of the performance of HRAM are described in detail from both internal and external factors. Finally, the paper further discusses persistent challenges and knowledge gaps identified in the current research landscape of HCPR technology. Based on this critical analysis, pertinent recommendations are suggested to guide productive avenues for future research and development.http://www.sciencedirect.com/science/article/pii/S2095756425001084HCPR technologyHCPRAMRAPPerformance-influencing factorsProduction processes |
| spellingShingle | Chengwei Xing Zhibin Chang Wei Jiang Zhanchuang Han Mingchen Li Hot central-plant recycling technology: A systematic review on raw materials and performance-influencing factors Journal of Traffic and Transportation Engineering (English ed. Online) HCPR technology HCPRAM RAP Performance-influencing factors Production processes |
| title | Hot central-plant recycling technology: A systematic review on raw materials and performance-influencing factors |
| title_full | Hot central-plant recycling technology: A systematic review on raw materials and performance-influencing factors |
| title_fullStr | Hot central-plant recycling technology: A systematic review on raw materials and performance-influencing factors |
| title_full_unstemmed | Hot central-plant recycling technology: A systematic review on raw materials and performance-influencing factors |
| title_short | Hot central-plant recycling technology: A systematic review on raw materials and performance-influencing factors |
| title_sort | hot central plant recycling technology a systematic review on raw materials and performance influencing factors |
| topic | HCPR technology HCPRAM RAP Performance-influencing factors Production processes |
| url | http://www.sciencedirect.com/science/article/pii/S2095756425001084 |
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