A comprehensive review on the plant-mixed cold recycling technology of emulsified asphalt: Raw materials and factors affecting performances

A comprehensive review on the plant-mixed cold recycling technology of emulsified asphalt: Raw materials and factors affecting performances

The plant-mixed cold recycling technology of emulsified asphalt (CRTE) is widely applied in road engineering due to its environmental and economic advantages. The composition of raw materials directly affects the road performances of the mixtures, and then affects the serving quality of the asphalt...

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Bibliographic Details
Published in:Construction & building materials Vol. 439; p. 137344
Main Authors: Xing, Chengwei, Tang, Shixian, Chang, Zhibin, Han, Zhanchuang, Li, Haozongyang, Zhu, Bohan
Format: Journal Article
Language:English
Published: Elsevier Ltd 16-08-2024
Subjects:
Challenges and suggestions
Cold recycling technology
Emulsified asphalt
Influence factors
Raw materials
RAP
SBR
BF
MS
Raw materials
DS
VVTM
TSR
Emulsified asphalt
Cold recycling technology
MCM
Influence factors
Challenges and suggestions
CRME
SEM
CRTE
Gf
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Summary:The plant-mixed cold recycling technology of emulsified asphalt (CRTE) is widely applied in road engineering due to its environmental and economic advantages. The composition of raw materials directly affects the road performances of the mixtures, and then affects the serving quality of the asphalt pavement. Therefore, an in-depth interpretation of various raw materials and factors affecting the performances is crucial for enhancing the design and production of cold recycled asphalt mixtures of emulsified asphalt (CRME). The present paper provides a review of the state-of-the-art studies in the area of the composition of raw materials and performances influencing factors of CRME. Firstly, the roles of reclaimed asphalt pavement (RAP) materials and virgin aggregates in CRME are briefly introduced. Secondly, the strength formation mechanism of five additives and emulsified asphalt is introduced in detail. Afterwards, critical factors affecting the road performances of the mixtures are described in detail. Finally, some challenges in the current research are discussed, and the corresponding recommendations are proposed for future exploration. •Introduce the composition of raw materials in CRME.•Summarize the strength formation mechanism of various raw materials.•Describe the critical factors affecting the road performances of the CRME.•Provide technical challenges and future recommendations for CRTE.
ISSN:0950-0618
1879-0526
DOI:10.1016/j.conbuildmat.2024.137344