Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Performance Evaluation of Hot Mix Biobinder
This study examined the feasibility of total replacement of asphalt binder in hot mix asphalt using biobinder produced from waste cooking oil (WCO). First, non-destructive rheological tests were conducted to evaluate the complex shear modulus and rutting resistance of biobinder. The WCO-based biobinder outperformed asphalt binder at high frequencies (low temperature performance). The WCO-based biobinder was then utilized to produce hot mix biobinder (HMB), and its performance in terms of fatigue, thermal cracking, rutting, and moisture susceptibility was evaluated through laboratory tests. The indirect tensile (IDT) test results showed that HMB yielded acceptable tensile strength and crack resistance at intermediate temperatures. In addition, the results of Hamburg wheel tracking test (HWTT) indicated that HMB was prone to high rut depth and stripping. The results of IDT tests conducted to evaluate the thermal cracking resistance of HMB at low temperature showed it had high thermal cracking resistance compared to HMA.
Performance Evaluation of Hot Mix Biobinder
This study examined the feasibility of total replacement of asphalt binder in hot mix asphalt using biobinder produced from waste cooking oil (WCO). First, non-destructive rheological tests were conducted to evaluate the complex shear modulus and rutting resistance of biobinder. The WCO-based biobinder outperformed asphalt binder at high frequencies (low temperature performance). The WCO-based biobinder was then utilized to produce hot mix biobinder (HMB), and its performance in terms of fatigue, thermal cracking, rutting, and moisture susceptibility was evaluated through laboratory tests. The indirect tensile (IDT) test results showed that HMB yielded acceptable tensile strength and crack resistance at intermediate temperatures. In addition, the results of Hamburg wheel tracking test (HWTT) indicated that HMB was prone to high rut depth and stripping. The results of IDT tests conducted to evaluate the thermal cracking resistance of HMB at low temperature showed it had high thermal cracking resistance compared to HMA.
Performance Evaluation of Hot Mix Biobinder
Bahadori, Amir (Autor:in) / Li, Ran (Autor:in) / Zhang, Kun (Autor:in) / Xin, Junna (Autor:in) / Muhunthan, Balasingam (Autor:in) / Zhang, Jinwen (Autor:in)
International Airfield and Highway Pavements Conference 2019 ; 2019 ; Chicago, Illinois
18.07.2019
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Performance Evaluation of Hot Mix Biobinder
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