Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Experimental Evaluation of Shear-Bond Strength of Composite Stress Absorbing Membrane Interlayer
One of the most common methods for rehabilitating and improving the riding quality of rigid pavement is asphalt overlaying. However, inadequate bonding between concrete and overlay layers can negatively influence pavement performance. This paper aims to evaluate the shear-bond strength of the composite stress absorbing membrane interlayer (SAMI) comprising an asphalt blend reinforced with a fiber-glass grid layer. The shear-bond characteristics were performed using a proposed method, utilizing an inclined shear-bond strength test. This study discusses various testing parameters, including the existence of grid reinforcement, rigid base layer surface texture, and the number of grid reinforcement layers on asphalt interlayers. Various indices were assessed and evaluated for interlayer shear-bond strength: shear debonding capacity, shear debonding energy, and shear debonding stiffness. The results show that the rough surface concrete specimens exhibit higher debonding load capacity, total, pre-peak, and post-peak debonding energy, and stiffness compared to the smooth interface specimens. In addition, it has been noticed that increasing the number of reinforcement layers within SAMI enhances stiffness and total shear debonding energy, in contrast to decrease debonding load capacity. Also, it can be noticed that the addition of reinforcement layer can mitigate the adverse effect of the surface smoothness of concrete layer. The most important details that can be concluded from the results are the surface texture of the concrete specimen's interface, the existence of reinforcement in the interlayer, and the number of reinforcement layers significantly affecting the interlayer's shear-bond strength.
Experimental Evaluation of Shear-Bond Strength of Composite Stress Absorbing Membrane Interlayer
One of the most common methods for rehabilitating and improving the riding quality of rigid pavement is asphalt overlaying. However, inadequate bonding between concrete and overlay layers can negatively influence pavement performance. This paper aims to evaluate the shear-bond strength of the composite stress absorbing membrane interlayer (SAMI) comprising an asphalt blend reinforced with a fiber-glass grid layer. The shear-bond characteristics were performed using a proposed method, utilizing an inclined shear-bond strength test. This study discusses various testing parameters, including the existence of grid reinforcement, rigid base layer surface texture, and the number of grid reinforcement layers on asphalt interlayers. Various indices were assessed and evaluated for interlayer shear-bond strength: shear debonding capacity, shear debonding energy, and shear debonding stiffness. The results show that the rough surface concrete specimens exhibit higher debonding load capacity, total, pre-peak, and post-peak debonding energy, and stiffness compared to the smooth interface specimens. In addition, it has been noticed that increasing the number of reinforcement layers within SAMI enhances stiffness and total shear debonding energy, in contrast to decrease debonding load capacity. Also, it can be noticed that the addition of reinforcement layer can mitigate the adverse effect of the surface smoothness of concrete layer. The most important details that can be concluded from the results are the surface texture of the concrete specimen's interface, the existence of reinforcement in the interlayer, and the number of reinforcement layers significantly affecting the interlayer's shear-bond strength.
Experimental Evaluation of Shear-Bond Strength of Composite Stress Absorbing Membrane Interlayer
Karkush, Mahdi (Herausgeber:in) / Choudhury, Deepankar (Herausgeber:in) / Fattah, Mohammed (Herausgeber:in) / Abbas, Mohammed Jawad (Autor:in) / Al-Busaltan, Shakir (Autor:in) / Kadhim, Mustafa Amoori (Autor:in)
International Conference on Geotechnical Engineering Iraq ; 2024 ; Warith Al-Anbiyaa University, Karbala, Iraq
Current Trends in Civil Engineering and Engineering Sciences 2024, Vol 2 ; Kapitel: 29 ; 397-410
16.11.2024
14 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Interlayer Stress Absorbing Composite in AC Overlays
| British Library Conference Proceedings | 1997
| Taylor & Francis Verlag | 2013