Exterior RC wide beam-column connections: Effect of beam width ratio on seismic behaviour

Behnam, Hamdolah; Kuang, Jingming; Huang, Roy Y. C.

doi:10.1016/j.engstruct.2017.05.044

Cited by 43 publications

(15 citation statements)

References 21 publications

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“…Each point has three degrees of freedom,translations in the nodal x, y, and z directions. Compressive, tensile steel, longitudinal steel column and stirrups was modeled using link 180 as shown Fig (10). In ANSYS the load can be applied in steps.…”

Section: Model Discretizationmentioning

confidence: 99%

Enhancing the Structural Behavior of Wide Beams Through Reinforcement Schemes

Husain

Khater

Mohammed

2020

The Egyptian International Journal of Engineering Sciences and

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In this paper, numerical analysis of wide beams was presented. The proposed models were loaded with a static seismic load. Diverse models of reinforced concrete wide beams were studied numerically by ANSYS platform, and a parametric study was conducted. The studied parameters were web reinforcement percentage, tensile reinforcement percentage, and compressive reinforcement percentage. The values of tensile reinforcement percentage were (1.5%, 1%, 0.7%, 0.3%) of cross-section area, compressive reinforcement percentage were (0.8,0.6,0.5,0.4) of the tensile reinforcement ratio and web reinforcement percentage were (0.13%, 0.067%). The influence of these parameters was studied on ductility, dissipation, toughness, stiffness and over strength. The results demonstrated that the studied parameters affected all these properties, and the smallest ductility was noticed in the wide beam (B7) which has a value of 1.1.

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Section: Model Discretizationmentioning

confidence: 99%

Enhancing the Structural Behavior of Wide Beams Through Reinforcement Schemes

Husain

Khater

Mohammed

2020

The Egyptian International Journal of Engineering Sciences and

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“…(9), ε p is the maximum tensile strain of concrete and ε t denotes the concrete tensile strain [46][47][48]. The optimum values of the plasticity input parameters of the CDP model including the dilation angle (ψ), eccentricity (ϵ), the ratio of the biaxial compressive strength to the uniaxial compressive strength of the concrete ( f b0 / f c0 ), the ratio of the tensile meridian to the compressive meridian in the deviatoric plane of the yield surface (K c ), and viscosity (μ) were introduced in Table 1 [49][50][51][52][53][54][55][56][57][58][59][60][61].…”

Section: Materials Propertiesmentioning

confidence: 99%

A Numerical Comparison between Spiral Transverse RC and CFST Columns under Loads of Varying Eccentricities

Labibzadeh

Jamalpour

Jing

et al. 2019

Period. Polytech. Civil Eng.

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This paper is the first to present the results of a numerical comparison between the performances of two newly developed concrete columns namely: multi-tied spiral transverse reinforced (MTSTR) column and concrete-filled steel tube (CFST) column under eccentric compressive loads. The behavior of MTSTR columns under eccentric loads has not been studied until today and also this behavior is not compared to that of the CFST columns. The numerical models of these columns were constructed using the nonlinear finite element method and validated against the previously published experimental data in the literature. Concrete damage plasticity model and elastic-perfect plastic model were used to simulate the behavior of concrete core and steel of the columns, respectively. This provides the capability of modeling of the nonlinear large deformations of the columns. The obtained results show that the MTSTR columns can provide greater load carrying capacity, ductility, and energy absorption with slightly lower initial stiffness than the CFST columns under the same eccentricities. For instance, the load-carrying capacity of MTSTR column is 18 percent greater than that of the CFST column when the load eccentricity is 100 mm. In case of 100 mm eccentricity, the ductility of the improved version of the MTSTR column proposed in this study is 30 percent greater than CFST one.

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“…5 Behnam conducted a series of tests to study the effect of beam width to column width ratio (or beam width ratio) and spandrel beam on seismic behavior of exterior beam-column connections. 6,7 The beam-column connections can represent various failure modes such as bending failure with beam flexural cracking or full-width plastic hinge, and shear failure in the joint based on different beam width ratio and the joint shear stress ratio. The crack pattern was also different especially in the vicinity of the joints.…”

Section: Introductionmentioning

confidence: 99%

Investigation of shear‐flexural behavior of precast joints in prestressed reinforced concrete

Zhi

Xiong²,

Kang

et al. 2020

Structural Concrete

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The behavior of precast concrete structures at the limit states of ultimate bearing capacity depends on the shear and shear-flexural behavior of the joints between precast components, such as shear wall and beam-column joints, or between the precast component and footing. This study presented a series of tests on the shear-flexural behavior of precast concrete joints applied in precast structures with high strength reinforcement. The tested parameters of the specimens included the joint type, shear-span ratio, longitudinal reinforcement ratio, reinforcement type, and prestress. The tested results indicated that, for the precast joint specimens controlled by shear failure, the prestress by the high strength reinforcement can significantly improve the crack behavior, shear bearing capacity and stiffness of the precast structure. So it can emulate the monolithic cast-in-place specimen. For the precast joint specimens dominated by bending failure, the local deformation was mainly concentrated on the precast joint region, which affected the distribution of the plastic hinge region. To reduce the adverse effects by the precast joints, a grouting material with better performance should be used to improve the bond behavior of the reinforcement.

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Exterior RC wide beam-column connections: Effect of beam width ratio on seismic behaviour

Cited by 43 publications

References 21 publications

Enhancing the Structural Behavior of Wide Beams Through Reinforcement Schemes

Enhancing the Structural Behavior of Wide Beams Through Reinforcement Schemes

A Numerical Comparison between Spiral Transverse RC and CFST Columns under Loads of Varying Eccentricities

Investigation of shear‐flexural behavior of precast joints in prestressed reinforced concrete

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