TY - JOUR
T1 - A non-linear thermodynamical model for steel-concrete bonding
AU - Domínguez, Norberto
AU - Ibrahimbegovic, Adnan
PY - 2012/9
Y1 - 2012/9
N2 - In Reinforced Concrete structures, the concrete damage configuration as well as the crack pattern distribution depend directly on bonding, and its implementation for numerical analysis is still complicated. In this work, a new thermodynamical non linear bond model is introduced taking into account tangential bond deterioration and coupling between tangential slip and normal decohesion/penetration. For FEM implementation, the model (based on a stress-strain relationship) is supported by a non-width interface element. The calibrated material parameters are grouped in four sets: elastic behavior; tangential degradation; crack friction and confinement; and normal behavior. Finally, some numerical examples are presented in this paper.
AB - In Reinforced Concrete structures, the concrete damage configuration as well as the crack pattern distribution depend directly on bonding, and its implementation for numerical analysis is still complicated. In this work, a new thermodynamical non linear bond model is introduced taking into account tangential bond deterioration and coupling between tangential slip and normal decohesion/penetration. For FEM implementation, the model (based on a stress-strain relationship) is supported by a non-width interface element. The calibrated material parameters are grouped in four sets: elastic behavior; tangential degradation; crack friction and confinement; and normal behavior. Finally, some numerical examples are presented in this paper.
KW - Finite element method
KW - Interface element
KW - Reinforced Concrete
KW - Steel-concrete bonding
KW - Thermodynamical formulation
UR - http://www.scopus.com/inward/record.url?scp=84863805130&partnerID=8YFLogxK
U2 - 10.1016/j.compstruc.2012.04.005
DO - 10.1016/j.compstruc.2012.04.005
M3 - Artículo
AN - SCOPUS:84863805130
SN - 0045-7949
VL - 106-107
SP - 29
EP - 45
JO - Computers and Structures
JF - Computers and Structures
ER -