Integrating of Nonlinear Shear Models into Fiber Element for Modeling Seismic Behavior of Reinforced Concrete Coupling Beams, Wall Piers, and Overall Coupled Wall Systems

International Journal of Concrete Structures and Materials

Table 1 Design parameters.

Specimen	Lequesne et al. (2012)		Han et al. (2015)
Specimen	CB-1	CB-2	SD-2.0	BD-2.0
\(f_{c}^{'}\), MPa	41	41	40	40
\(f_{y}\) (longitudinal reinforcement), Mpa	430	440	506	506
\(f_{y}\) (ties), Mpa	525	475	506	506
\(f_{y}\) (diagonal reinforcement), Mpa	430	430	438	438
\(f_{u}\) (diagonal reinforcement), Mpa	680	680	587	587
b (beam width), mm	150	150	250	250
h (beam height), mm	600	600	525	525
L (beam length), mm	1050	1050	1050	1050
\(\rho_{d}\) (diagonal bars ratio), %	1.11	1.11	2.35	2.35
\(\rho_{s}\) (stirrup ratio), %	1.24	1.43	2.84	2.43
\(\rho_{l}\) (longitudinal bars ratio), %	1.9	1.9	1.42	1.42
α, degree	24.6	24.6	20.4	22.1
Span–depth ratio, L/h	1.75	1.75	2.0	2.0