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Influence of bond properties on the tensile behaviour of Textile Reinforced Concrete
AbstractTextile Reinforced Concrete shows a complex mechanical behaviour, which arises from the heterogeneity of the cementitious matrix and the reinforcement yarn, as well as different bond conditions inside the yarn. In this contribution, a reduced two-dimensional model for simulating the uniaxial tensile behaviour of Textile Reinforced Concrete is presented. In the model, the longitudinal (loading) direction is discretised over the whole specimen length, while in the cross-sectional direction only the heterogeneity of the reinforcement is modelled by dividing the yarns into homogeneous segments arranged in a regular lattice scheme. The model also includes limited tensile strength for the matrix and the reinforcement, as well as a non-linear bond law with bond degradation between the constituents of the composite. Parametric studies are performed to show how the bond properties, e.g. the maximum bond stresses or the penetration depth of matrix in the yarns, influence the structural behaviour and the local load-bearing behaviour.
Influence of bond properties on the tensile behaviour of Textile Reinforced Concrete
AbstractTextile Reinforced Concrete shows a complex mechanical behaviour, which arises from the heterogeneity of the cementitious matrix and the reinforcement yarn, as well as different bond conditions inside the yarn. In this contribution, a reduced two-dimensional model for simulating the uniaxial tensile behaviour of Textile Reinforced Concrete is presented. In the model, the longitudinal (loading) direction is discretised over the whole specimen length, while in the cross-sectional direction only the heterogeneity of the reinforcement is modelled by dividing the yarns into homogeneous segments arranged in a regular lattice scheme. The model also includes limited tensile strength for the matrix and the reinforcement, as well as a non-linear bond law with bond degradation between the constituents of the composite. Parametric studies are performed to show how the bond properties, e.g. the maximum bond stresses or the penetration depth of matrix in the yarns, influence the structural behaviour and the local load-bearing behaviour.
Influence of bond properties on the tensile behaviour of Textile Reinforced Concrete
Hartig, Jens (author) / Häußler-Combe, Ulrich (author) / Schicktanz, Kai (author)
Cement and Concrete Composites ; 30 ; 898-906
2008-08-30
9 pages
Article (Journal)
Electronic Resource
English
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