Results 181 to 190 of about 950 (215)

Creep performance of concrete-filled steel tubular (CFST) columns and applications to a CFST arch bridge

Steel and Composite Structures, 2015
This paper first presents an experimental study of twelve specimens for their creep performance, including nine concrete-filled steel tubular (CFST) columns and three plain concrete columns, subjected to three levels of sustained axial loads for 1710 days.
Meng-Gang Yang, C.S. Cai, Yong Chen
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Modelling, verification and investigation of behaviour of circular CFST columns

Structural Concrete, 2014
AbstractThis paper is an attempt to provide a detailed procedure for the finite element modelling and simulation of concrete‐filled steel tubular (CFST) columns subjected to axial compression using the commercial software package ANSYS 12. A modified material model for modelling the concrete core is described and explained. Composite action is modelled
Pramod K. Gupta, Ashok K. Ahuja, Ziyad A. Khaudhair   +2 more
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Optimal design of external rings for confined CFST columns

Magazine of Concrete Research, 2015
Concrete-filled steel tube (CFST) columns are becoming increasingly popular in the construction of tall buildings due to their superior behaviour contributed by composite action. However, this composite action cannot be fully developed owing to the imperfect steel–concrete interface bonding that occurs in the elastic stage.
Lai, M. H., Ho, J. C. M.
openaire   +4 more sources

Fuzzy Finite Element Analysis for Joints of CFST Beam-Column

2010
The structure of concrete concrete-filled steel tube is a new composite one, the theory about this joints of concrete-filled steel tube beam-column is imperfect, and especially the imperfect dynamic performance of the joints needs much further study.
Shuxian Liu, Xiaogang Wei, Xiaoli Wei
openaire   +1 more source

Nonlinear Analysis of Elliptical Cfst Columns at Ambient and Elevated Temperatures

Journal of Constructional Steel Research
The paper studies the application of the concentrated plasticity 3D beam/column finite element on the nonlinear analysis of elliptical concrete-filled steel tube (CFST) composite columns at both reference temperature and during fire conditions. The element based on the generalized plasticity material model is extended and adjusted to analyze elliptical
Milan Bursać, Svetlana M. Kostić
openaire   +2 more sources

A simplified model to predict blast response of CFST columns

Journal of Central South University, 2017
In order to study the dynamic response of concrete-filled steel tube (CFST) columns against blast loads, a simplified model is established utilizing the equivalent single-degree-of-freedom (SDOF) method, which considers the non-uniform distribution of blast loads on real column and the axial load-bending moment (P-M) interaction of CFST columns ...
Jun-hao Zhang, Bin Chen, Shi-yong Jiang
openaire   +1 more source

Experimental Study on Seismic Performance of AAS-CFST Column

Applied Mechanics and Materials, 2014
Three model specimens of alkali-activated slag concrete filled steel tube (AAS-CFST) with different axial compression ratio and steel ratio were designed and tested in the present study. The seismic performance of the structures were evaluated by testing them with combined lateral constant compression and vertical cyclic loads.
Wen Feng Chen, Xiao Hui Yuan, Bin Li
openaire   +1 more source

Blast analysis of stand alone CFST column

Materials Research Proceedings
Abstract. The rise in terrorist attacks targeting various locations worldwide has underscored the importance of evaluating structures exposed to blast effects. Despite progress in the field, understanding the response of concrete-framed buildings to extreme loading conditions remains crucial before implementing any protective strategies.
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Fire Performance of CFST Triple-Limb Laced Columns

Journal of Structural Engineering, 2018
AbstractThis paper investigates the fire performance of concrete-filled steel tubular (CFST) triple-limb laced columns.
Lin-Hai Han, Tian-Yi Song, Kan Zhou, Zhi-Qiang Cui   +3 more
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Study on Predicting Axial Load Capacity of CFST Columns

Journal of The Institution of Engineers (India): Series A, 2017
This work presents an analytical study and experimental study on the behaviour and ultimate load carrying capacity of axially compressed self-compacting concrete-filled steel tubular columns. Results of tests conducted by various researchers on 213 samples concrete-filled steel tubular columns are reported and present authors experimental data are ...
H. Ravi Kumar, K. U. Muthu, N. S. Kumar
openaire   +1 more source