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A layered finite element for reinforced concrete beams with bond–slip effects
AbstractThe behaviour of reinforced concrete members is affected by the slipping of steel bars inserted in the concrete matrix. A tension-stiffening effect and crack evolution occur from the beginning of slipping; thus, the assessment of those phenomena requires the introduction of a bond–slip interaction model. This work presents a beam-layered model, including the constitutive relationships of materials and their interaction, according to the CEB-FIP Model Code 1990. To eliminate the finite element sub-division procedure, a continuous slip function is imposed into the element domain. The results are continuous descriptions of bond stress in the steel–concrete interface, as well as concrete and steel stresses along the element.
A layered finite element for reinforced concrete beams with bond–slip effects
AbstractThe behaviour of reinforced concrete members is affected by the slipping of steel bars inserted in the concrete matrix. A tension-stiffening effect and crack evolution occur from the beginning of slipping; thus, the assessment of those phenomena requires the introduction of a bond–slip interaction model. This work presents a beam-layered model, including the constitutive relationships of materials and their interaction, according to the CEB-FIP Model Code 1990. To eliminate the finite element sub-division procedure, a continuous slip function is imposed into the element domain. The results are continuous descriptions of bond stress in the steel–concrete interface, as well as concrete and steel stresses along the element.
A layered finite element for reinforced concrete beams with bond–slip effects
Oliveira, R.S. (author) / Ramalho, M.A. (author) / Corrêa, M.R.S. (author)
Cement and Concrete Composites ; 30 ; 245-252
2007-09-24
8 pages
Article (Journal)
Electronic Resource
English
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