Effect of continuous spirals on uni-axial strength and ductility of CFST columns

MH Lai, JCM Ho - Journal of Constructional Steel Research, 2015 - Elsevier
Nowadays reinforced concrete (RC) columns are commonly adopted in tall building
structures. One of its associated problems is that the transverse steel cannot confine the …

Safety of Reinforced Concrete Columns: Effect of Initial Imperfections and Material Deterioration under Emergency Actions

AV Alekseytsev, NS Kurchenko - Buildings, 2023 - mdpi.com
The effect of (1) initial imperfections and (2) material degradation of reinforced concrete
columns on their safety in emergency situations was investigated. The research was limited …

Review of nonlinear analysis and modeling of steel and composite structures

HT Thai, TK Nguyen, S Lee, VI Patel… - International Journal of …, 2020 - World Scientific
Structural steel frames exhibit significantly geometric and material nonlinearities which can
be captured using the second-order inelastic analysis, also known as advanced analysis …

Comprehensive study of compressive behavior of CFST columns with confinements and stiffeners

A Arokiaprakash - Journal of Constructional Steel Research, 2023 - Elsevier
This paper presents a performance study of circular-shaped short steel-concrete-filled
columns (CFST) with external confinement and internal stiffening under axial loading …

Direct analysis by an arbitrarily-located-plastic-hinge element—Part 1: Planar analysis

SW Liu, YP Liu, SL Chan - Journal of Constructional Steel Research, 2014 - Elsevier
This paper, as the first part of the two companion papers, proposes a new and curved beam-
column element with arbitrarily-located plastic hinge for second-order inelastic or direct …

A second-order flexibility-based beam-column element with member imperfection

ZL Du, YP Liu, SL Chan - Engineering Structures, 2017 - Elsevier
In this paper, a new flexibility-based beam-column element with member initial imperfection
is proposed for direct analysis or second-order inelastic analysis of steel structures. In past …

Behavior of Q690 high-strength steel columns: Part 2: Parametric study and design recommendations

TJ Li, SW Liu, GQ Li, SL Chan, YB Wang - Journal of Constructional Steel …, 2016 - Elsevier
Prediction of the column strength, associated with buckling and material yielding, is vital in a
successful design. In this paper, a completely numerical analysis technique is employed for …

Direct analysis by an arbitrarily-located-plastic-hinge element—Part 2: Spatial analysis

SW Liu, YP Liu, SL Chan - Journal of Constructional Steel Research, 2014 - Elsevier
This is the part two of the two companion papers, which extends the element formulations
and the applications of the curved ALH (Arbitrarily Located Hinge) element to three …

Second-order direct analysis of domelike structures consisting of tapered members with I-sections

SW Liu, R Bai, SL Chan, YP Liu - Journal of Structural Engineering, 2016 - ascelibrary.org
A new and advanced beam-column element, namely the curved tapered-three-hinges (TTH)
beam-column element, is proposed in this paper. The present element can perform large …

Nonlinear inelastic analysis of semi-rigid steel frames with circular concrete-filled steel tubular columns

VT Bui, SE Kim - International Journal of Mechanical Sciences, 2021 - Elsevier
A reliable and effective method for the nonlinear inelastic analysis of frames using circular
concrete-filled steel tubular (CFST) columns is developed in this paper. In the proposed …