Abstract
The interaction between structural reinforcement and the surrounding concrete matrix in tension is a governing mechanism in the structural response of reinforced concrete members. The tension stiffening process, defined as the concrete´s contribution to tensile response of the composite, has been investigated using an image-based deformation measurement and analysis system. This allowed for detailed view of surface deformations and the implications on the resulting response of the member in tension. In this study, conventional concrete and a ductile, strain hardening cement composite, known as Engineered Cementitious Composite (ECC), have been combined with steel and glass fiber reinforced polymer (GFRP) reinforcement to contrast the effects of brittle and ductile cement matrices as well as elastic/plastic and elastic reinforcement on the tension stiffening process. Particular focus was on the deformation process and transverse crack formation in the cementitious matrix at increasing tensile strain.
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© 2012 Springer-Verlag Berlin Heidelberg
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Lárusson, L., Fischer, G., Jönsson, J. (2012). Mechanical Interaction between Concrete and Structural Reinforcement in the Tension Stiffening Process. In: Parra-Montesinos, G.J., Reinhardt, H.W., Naaman, A.E. (eds) High Performance Fiber Reinforced Cement Composites 6. RILEM State of the Art Reports, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2436-5_30
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DOI: https://doi.org/10.1007/978-94-007-2436-5_30
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-007-2435-8
Online ISBN: 978-94-007-2436-5
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