Modeling of CFRT through-diaphragm connections with H-beams subjected to axial load

Qin, Ying; Chen, Zhihua; Rong, Bin

doi:10.1016/j.jcsr.2015.04.015

Cited by 11 publications

(2 citation statements)

References 19 publications

(29 reference statements)

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“…In through-diaphragm joints, the column is cut off at the panel zone and the beams are connected to the column member using the through-diaphragm (Fadden and McCormick 2014;Fadden et al 2015). Many studies have been conducted to evaluate the seismic behavior of such joints (Qin et al , 2015Wu et al 2015;Yu et al 2015). Kanatani et al and Matsui et al (Kanatani 1985;Matsui 1985) conducted monotonic loading and cycle-reversed loading tests on two through-diaphragm joints.…”

Section: Introductionmentioning

confidence: 99%

Seismic Behavior of Top-Weld Bottom-Bolt Joints Between CFST Columns and H-Beams

Rong

Zhang

et al. 2022

Arab J Sci Eng

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In recent decades, connections between concrete-filled steel tubular columns (CFST) and H-steel beams have been well designed and implemented. However, owing to poor construction quality, brittle failure often occurs at weld seams. In this study, an innovative joint was developed to connect CFST columns and H-steel beams using a top-weld bottom-bolt (TWBB) connection to minimize the effect of welding quality on the seismic resistance of joints. Six specimens were designed for cycle-reversed loading tests to discuss the seismic performance of this joint. Four configurations, including different connection methods, beam heights, column forms, and stiffener thicknesses, were considered in the test. The impacts of different configuration forms on the failure mode, strength, stiffness, ductility, and energy dissipation of the specimens were evaluated.The test results demonstrated that the columns with or without concrete had a significant effect on

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Section: Introductionmentioning

confidence: 99%

Seismic Behavior of Top-Weld Bottom-Bolt Joints Between CFST Columns and H-Beams

Rong

Zhang

et al. 2022

Arab J Sci Eng

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“…Based on the experimental results, analytical models of beam–column connections with consideration of the effects of axial load, concrete slab, middle interior diaphragm, beam and column width condition, and a punching shear failure mode were proposed by Nie et al (2009). Qin et al (2015) proposed a strength model of through-diaphragm connections, which is based upon defining a rigid plate deformation pattern for the column face and through-diaphragm and then applying the virtual work principle, taking into account the axial force on the column.…”

Section: Introductionmentioning

confidence: 99%

Experimental study on panel zone behavior of diaphragm-through connections to concrete-filled tube columns

2019

Advances in Structural Engineering

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In order to verify the accuracy of the panel zone shear capacity calculation method of diaphragm-through connections which were proposed in previous research, the low cycle repeated load tests of six cross-shaped specimens were carried out. The seismic performance of the panel zone’s stress distribution, failure mode, hysteresis curve, and skeleton curve are comprehensively studied and analyzed. The results showed that the steel tube web and core concrete were mainly participating to bear the horizontal shear force, and the “steel frame” composed of the steel tube flange and through-diaphragm was negligible for the shear resistance; the core concrete strut calculated width and height were all one-fourth of the height and width of the panel zone. The test results are in good agreement with the results of the calculation method, which indicated that the calculation method proposed in the previous research results had good accuracy and applicability, and would use for the panel zone shear capacity calculated in the connections design.

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Performance-based Analysis of Elastoplastic Rotational Behavior of Multi-cell Shaped Concrete-filled Steel Tubular Connection

Chen

Xue

et al. 2023

KSCE J Civ Eng

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Modeling of CFRT through-diaphragm connections with H-beams subjected to axial load

Cited by 11 publications

References 19 publications

Seismic Behavior of Top-Weld Bottom-Bolt Joints Between CFST Columns and H-Beams

Seismic Behavior of Top-Weld Bottom-Bolt Joints Between CFST Columns and H-Beams

Experimental study on panel zone behavior of diaphragm-through connections to concrete-filled tube columns

Performance-based Analysis of Elastoplastic Rotational Behavior of Multi-cell Shaped Concrete-filled Steel Tubular Connection

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