A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fourier-transform infrared analysis and interpretation for bituminous binders
InfraRed spectrometry is a powerful technique to characterise bituminous binders. The methodology is not fully harmonised and may lead to variability. The RILEM-272-PIM-TG1, evaluated seven complex bituminous, for which eleven laboratories performed FTIR. While, the spectra showed similar trends, further analysis was needed to improve comparison. A specific approach was applied on two binders, unmodified and polymer modified bitumen, and two ageing conditioning. Combining a Gaussian distribution and derivative analysis confirmed a good alignments of laboratory results. A two-step model was developed improving further interpretation. It consists of a baseline adjustment with eight points and normalisation over the maximum aliphatic peak. Furthermore, a specific fingerprint model was determined with the main absorption peaks defined by their location and shape. Only the intensity varies from laboratory to laboratory and binders. This general approach can be used as a platform to characterise aging or binder complexity.
Fourier-transform infrared analysis and interpretation for bituminous binders
InfraRed spectrometry is a powerful technique to characterise bituminous binders. The methodology is not fully harmonised and may lead to variability. The RILEM-272-PIM-TG1, evaluated seven complex bituminous, for which eleven laboratories performed FTIR. While, the spectra showed similar trends, further analysis was needed to improve comparison. A specific approach was applied on two binders, unmodified and polymer modified bitumen, and two ageing conditioning. Combining a Gaussian distribution and derivative analysis confirmed a good alignments of laboratory results. A two-step model was developed improving further interpretation. It consists of a baseline adjustment with eight points and normalisation over the maximum aliphatic peak. Furthermore, a specific fingerprint model was determined with the main absorption peaks defined by their location and shape. Only the intensity varies from laboratory to laboratory and binders. This general approach can be used as a platform to characterise aging or binder complexity.
Fourier-transform infrared analysis and interpretation for bituminous binders
Porot, Laurent (author) / Mouillet, Virginie (author) / Margaritis, Alexandros (author) / Haghshenas, Hamzeh (author) / Elwardany, Michael (author) / Apostolidis, Panos (author)
Road Materials and Pavement Design ; 24 ; 462-483
2023-02-01
22 pages
Article (Journal)
Electronic Resource
Unknown
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