Strength and Axial Behavior of Circular Concrete Columns

Strength and Axial Behavior of Circular Concrete Columns

Compressive Behavior of Circular Tubed Steel-Reinforced

In this paper, a total of 12 circular tubed steel-reinforced concrete (CTSRC) short columns with high-strength concrete are constructed and tested under axial compressive load. The main variables of the test include diameter-to-thickness ratio and yield strength of the steel tube, concrete strength, and the steel ratio of the profile steel.

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Axial load behaviour of concrete-filled steel tubular

Columns of square, circular and because the axial strain of the high-strength concrete core is low up to the point where the column reaches its ultimate load. A model to predict the load against strain behaviour was proposed and the pre-peak and post-peak behaviours of concrete-filled steel columns axially loaded could be

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PDF] Behavior Analysis and Design of Concrete-Filled

In this paper, a new finite element (FE) model using ABAQUS software was developed to investigate the compressive behavior of Concrete-Filled Steel Circular-Tube (CFSCT) columns. Experimental studies indicated that the confinement offered by the circular steel tube in a CFSCT column increased both the strength and ductility of the filled concrete. Base on the database of 663 test results CFSCT

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BEHAVIOR OF HIGH STRENGTH CONCRETE FILLED SQUARE

BEHAVIOR OF HIGH STRENGTH CONCRETE FILLED SQUARE STEEL TUBULAR COLUMNS WITH INNER CFRP CIRCULAR TUBE UNDER BI-AXIAL ECCENTRIC LOADING G.C. Li 1,* , Z.J. Yang 2 , Y. Lang 3 and C. Fang 1 1School of Civil Engineering, Shenyang Jianzhu University, Shenyang, 110168, China 2 School of civil Engineering, Tianjin University, Tianjin, 300072, China

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PDF Experimental Study on Seismic Behavior of Reinforced

EXPERIMENTAL STUDY ON SEISMIC BEHAVIOR OF REINFORCED CONCRETE COLUMNS UNDER CONSTANT AND VARIABLE AXIAL LOADINGS Hassane OUSALEM*1, Toshimi KABEYASAWA* 2, Akira TASAI* 3 and Yasuko OHSUGI*4 ABSTRACT: The behavior of six reinforced concrete columns subjected to unidirectional cyclic lateral loading with constant and variable axial loads, and their experimental results are presented.

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Numerical Analysis of Concrete-Filled Circular Steel Tubes

tube enhances the core strength and ductility. The concrete core restrains inward buckling of the steel tube, while the steel tube serves as tensile reinforcement for the concrete. Studies on circular CFT beam-columns under combined flexural and axial loads have been conducted by many researchers (e.g.

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Strength and Axial Behavior of Cellular Lightweight

This paper presents the experimental results on the strength and axial behavior of rectangular steel tube columns filled with cellular lightweight concrete (CLC) under axial compression. A total of 24 specimens, including 6 reinforced cellular lightweight concrete (RCLC) columns and 18 cellular lightweight concrete-filled steel tube (CLCFT) columns are investigated.

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PDF) Design of Normal- and High-Strength Concrete Columns

The results from the accurate analysis were then used as a benchmark for developing new design recommendations for The BS 8110 method Fig. 1. Overlay of both normal- and high-strength concrete 10. It should be noted that the `additional graphs to establish columns.

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Nonlinear analysis of circular double-skin concrete-filled

material behavior of confined concrete in circular DCFST columns. The new material constitutive relationships are incorporated in the numerical model based on the fiber element formulation to predict the behavior of DCFST short columns under axial compression. The accuracy of the lateral confining pressure models given by Hu and Su [40] is

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Axial Load Behavior of Concrete Columns Confined with GFRP

The stress-strain and load-displacement behavior of all columns was studied. Analytical expressions predicted the axial load capacity of the hybrid and all-GFRP-reinforced concrete columns. Axial compression tests of all-steel-reinforced and hybrid specimens subjected to accelerated corrosion were also

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Predictions of Ultimate Behavior of Confined Columns

Based on this relationship, the behavior of reinforced concrete columns subject to axial and lateral loading is predicted and compared with experimental data on round and square columns. A parametric study was conducted to assess the influence of the concrete strength, the degree of confinement, the level of axial load, and the shape of the section on the capacity of columns subjected to large

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