Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bond between near-surface mounted CFRP laminates and the concrete in structural strengthening
Near Surface Mounted (NSM) Laminate Strips of Carbon Fiber Reinforced Polymer (LSCFRP) is a promising technique for increasing the flexural and shear strength of deficient reinforced concrete members. When compared to externally bonded reinforcing (EBR) technique, NSM LS-CFRP technique shows several advantages, namely: higher prevention to the peeling phenomenon; extra protection against fire, mechanical and environmental damaging effects; easier and faster installation. To evaluate the concrete/ LS-CFRP bond behavior, an experimental campaign of pullout-bending tests was carried out, where the influence of the concrete strength and the LS-CFRP bond length was considered. Taking the experimental results and using a numerical method developed for this purpose, an analytical bond stress-slip relationship was evaluated. The present paper describes the numerical strategy developed, its applicability to the tests carried out and its usefulness for predicting the anchorage length.
Bond between near-surface mounted CFRP laminates and the concrete in structural strengthening
Near Surface Mounted (NSM) Laminate Strips of Carbon Fiber Reinforced Polymer (LSCFRP) is a promising technique for increasing the flexural and shear strength of deficient reinforced concrete members. When compared to externally bonded reinforcing (EBR) technique, NSM LS-CFRP technique shows several advantages, namely: higher prevention to the peeling phenomenon; extra protection against fire, mechanical and environmental damaging effects; easier and faster installation. To evaluate the concrete/ LS-CFRP bond behavior, an experimental campaign of pullout-bending tests was carried out, where the influence of the concrete strength and the LS-CFRP bond length was considered. Taking the experimental results and using a numerical method developed for this purpose, an analytical bond stress-slip relationship was evaluated. The present paper describes the numerical strategy developed, its applicability to the tests carried out and its usefulness for predicting the anchorage length.
Bond between near-surface mounted CFRP laminates and the concrete in structural strengthening
Barros, Joaquim A. O. (Autor:in) / Sena-Cruz, José (Autor:in)
01.09.2003
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
DDC:
690
Bond between near-surface mounted CFRP laminates and the concrete in structural strengthening
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