Novel Composite Beam Element with Bond-Slip for Nonlinear Finite-Element Analyses of Steel/FRP-Reinforced Concrete Beams
作者： Xiaoshan Lin , Y. X. Zhang
DOI: 10.1061/(ASCE)ST.1943-541X.0000829
关键词: Structural engineering 、 Bond slip 、 Fibre-reinforced plastic 、 Composite beams 、 Materials science 、 Beam (structure) 、 Nonlinear system 、 Finite element method 、 Shear (geology) 、 Transverse plane
摘要: A new one-dimensional two-node layered composite beam element that accounts for the bond-slip between reinforcing bars and surrounding concrete is presented nonlinear analysis of steel/fiber-reinforced polymer (FRP) beams. approach used not only to represent material property accurately but also model effect concrete. In addition typical transverse displacement rotation at two nodes element, additional nodal degrees freedom are introduced axial displacements reinforcements account effect. Timoshenko’s functions employed shape functions, shear locking avoided naturally. The validated against numerical examples demonstrated be accurate computationally efficient steel/FRP-reinforced beams with bond-slip.
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