• Torsional Behavior of Circular Concrete-Filled FRP Tubes ...

    A test program has been carried out to study the behavior of thin-walled centrifugal concrete-filled steel tube under torsion. Material properties of the concrete and steel used in the test ...

  • Torsional Behaviour of Concrete Filled Circular Steel Tube ...

    Oct 27, 2004· Studies on concrete filled steel tubes have been focused on the experiments of uni-axial compression and bending and eccentric compression. There were also a few studies that investigated CFT member behavior under combined compression and torsion. The behavior of a circular CFT column under combined torsion and compression was theoretically ...

  • Behavior Analysis and Design of Concrete-Filled Steel ...

    Jul 14, 2021· Behavior Analysis and Design of Concrete-Filled Steel Circular-Tube Short Columns Subjected to Axial Compression. 07/14/2021 ∙ by Duc Duy Pham, et al. ∙ 0 ∙ share . 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.

  • Finite element analysis of the dynamic behavior of ...

    Finite element analysis of the dynamic behavior of concrete-filled double skin steel tubes (CFDST) under lateral impact with fixed-simply support M. Liu & R. Wang Architecture and Civil Engineering, Taiyuan University of Technology, China Abstract Concrete-filled double skin steel tubes (CFDST) are a type of steel-concrete composite structure.

  • Stiffness of Concrete-Filled Thin-Walled Steel Tubular ...

    Jun 21, 2021· Abstract Concrete-filled thin-walled steel tubular slender columns are studied in this paper to evaluate their stiffness. The slender columns have various steel tube thicknesses, length/diameter (width) ratios, and concrete compressive strengths. The columns are loaded by axial and eccentric loads. Two experimental tests of the slender and stub columns are described. Also, the finite …

  • (PDF) EXPERIMENTAL TESTS ON CYCLIC BEAM-COLUMN …

    Towards Systems Behavior Factors for Composite Frames: Experimental and Analytical Studies By Tiziano Perea Determination of buckling loads from triaxial load tests of slender concrete-filled tube …

  • Torsional Behavior of Concrete-Filled Circular Steel Tube ...

    Torsional Behavior of Concrete-Filled Circular Steel Tube Columns Concrete-filled tubes (CFTs) are columns commonly used in building construction due to their structural effectiveness. Past studies on CFT have focused primarily on uniaxial compression, bending, and eccentric compression and a few investigations have studied member behavior ...

  • Cyclic performance of circular concrete-filled steel ...

    Aug 06, 2019· It is common that initial gaps exist between the steel tube and the core concrete in concrete-filled steel tubular structural members, which might affect the performance of the structure. This article aims to study the effects of the gaps on the cyclic behaviour of circular concrete-filled steel tubular members.

  • FUNDEMENTAL PURE TORSIONAL PROPERTIES OF CONCRETE FILLED ...

    Aug 24, 2010· fundemental pure torsional properties of concrete filled circular steel tubes Jehyun BECK 1) 2), Osamu KIYOMIYA 1) 3) 1) 2) Dept. of Civil Eng., Waseda University 3) Dept. of Civil Eng., Waseda University

  • Non-linear torsion behaviour of concrete filled steel tube ...

    Mar 18, 2016· Lee E-T, Yun BH, Shim HJ, Chang KH, Lee GC (2009) Torsional behavior of concrete-filled circular steel tube columns. J Struct Eng 135(10):1250–1258. Article Google Scholar 14. Han LH (2007) Concrete filled steel tube structures-theory and application (Second Edition). Science Press, Beijing. Google Scholar 15.

  • - -

    Flexural Behavior of circular concrete filled steel tubes (CFST) under sustained load and chloride corrosion. Thin-Walled Structures, 107:182-196. 37. Hou Chao, Han Lin-Hai and Zhao Xiao-Ling. 2015. Behaviour of circular concrete filled double skin tubes subjected to local bearing force. Thin-Walled Structures, 93:36-53. 38.

  • A New Torsion Testing Apparatus for Circular Members ...

    Feb 02, 2021· CFFT Samples. The 1800 mm long CFFT samples (Fig. 3) have their ends embedded into 400 mm long end blocks made of concrete-filled steel sections forming a dumbbell shape, resulting in a 1000 mm testing section.End blocks, commonly used with circular sections [26, 28], provide a mounting surface for the clamped loading brackets and a means to transfer torsion to the round section, …

  • COMPRESSIVE PERFORMANCES OF THE CONCRETE FILLED CIRCULAR ...

    Jul 25, 2011· a comparative study on square and circular high strength concrete-filled steel tube columns; flexural performance of circular concrete filled cfrp-steel tubes; static behavior of axially compressed circular concrete filled cfrp-steel tubular (c-cf …

  • Torsional Behaviour of Concrete Filled Circular Steel Tube ...

    CTBUH 2004 October 10~13, Seoul, Korea 1023 Torsional Behaviour of Concrete Filled Circular Steel Tube Column Considering Confinement Effect E. T. Lee 1, Bok-Hee Yun2, Ji-Young Park 3, K. H. Chang4 1 Assistant Professor, School of Architecture & Building Science, Chung-Ang University, KOREA 2Engineer, Structural Consulting Team, MIDAS IT, KOREA 3Researcher, Structural Eng. Dept., Korea ...

  • Eun-Taik Lee, Yun B H, Shim H J, Chang K H, George C Lee. Torsional behavior of concrete-filled circular steel tube columns[J]. Journal of Structural Engineering, 2009, 135(10): 1250―1258. [8],, . -[J].

  • BEHAVIOR OF HIGH STRENGTH CONCRETE FILLED SQUARE STEEL ...

    Jan 16, 2012· 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 1 School of Civil Engineering, Shenyang Jianzhu University, Shenyang, 110168, China. 2 School of civil Engineering, Tianjin University, Tianjin, 300072, China

  • EXPERIMENTAL STUDY ON THE SEISMIC BEHAVIOR OF A …

    are the shear walls with concrete-filled steel tubular frames and slits. The thickness of specimens is 50mm. Essential parameters of the specimens are shown in Table 1. Tab. 1 - Essential parameters of the specimens Specimen number Thickness of steel tube /mm Shear span ratio Cross-sections of steel tubular frames Dimension of steel

  • A Synopsis of Studies of the Monotonic and Cyclic Behavior ...

    A significant amount of research has been conducted worldwide on the behavior of concrete filled steel tubes (CFTs) in the past five decades. This report provides a summary of the behavior and experimental work of concrete filled steel tube members, connections, and frames that are reported in detail in the literature. These published

  • Experimental Study of H-Shaped Honeycombed Stub Columns ...

    Jun 08, 2021· The behavior of H-shaped honeycombed stub columns with rectangular concrete-filled steel tube flanges (STHCCs) subjected to axial load was investigated experimentally. A total of 16 specimens were studied, and the main parameters varied in the tests included the confinement effect coefficient of the steel tube ( ξ ), the concrete cubic compressive strength (fcu), the steel ...

  • Torsional Behavior of Concrete-Filled Circular Steel Tube ...

    Oct 10, 2009· Concrete-filled tubes (CFTs) are columns commonly used in high-rise building construction due to their structural effectiveness. Past studies on CFT have focused primarily on uniaxial compression, bending, and eccentric compression and a few investigations have studied member behavior under combined compression and torsion.

  • Torsional behavior of a new dumbbell-shaped concrete ...

    Jan 01, 2017· A total of ten, 950 mm long specimens were tested as shown in Table 1.Specimen C-0 is a 100 mm diameter control plain concrete specimen.Specimens ST-4 and ST-6 are control hollow steel tubes of 108 mm outer diameter and 4 and 6 mm wall thickness, respectively.CCFST-4 and CCFST-6 are circular concrete-filled tubes identical to ST-4 and ST6.

  • Behavior of circular concrete-filled steel tubular columns ...

    Behavior of circular concrete-filled steel tubular columns under pure torsion. Fa-xing Ding, Qiang Fu, Bing Wen, Qi-shi Zhou, Xue-mei Liu ... (T‒γ) curves of circular CFT columns under pure torsion. The numerical simulation indicated that local bulking of the steel tube in CFT columns was prevented and the shear strength and ductility of the ...

  • Torsional Behavior of Circular Concrete-Filled FRP Tubes ...

    Feb 23, 2021· Concrete-filled fiber-reinforced polymer (FRP) tubes (CFFTs) have been studied extensively under almost all loading conditions, except torsion. In this pioneering study, six 168-mm-diameter samples were tested in pure torsion, consisting of two hollow glass-FRP tubes …

  • Interface Bonding Behavior of Concrete-Filled Steel Tube ...

    Mar 01, 2021· 1. Introduction. Concrete-filled steel tube (CFST) is composed of steel tube and core concrete working together [1,2].It has the characteristics of high bearing capacity, large lateral rigidity, good ductility and high construction efficiency [3,4,5,6,7,8].CFST has been widely applied as the large load-bearing components in the construction because it can reduce the component size, save ...

  • Behavior of circular concrete-filled steel tubular columns ...

    Xie, X.Y. and Zha, X.X. (2012), "Torsion and shear behavior study of hollow and solid concrete filled steel tubular members II: Theoretical research on strength", Progress in Steel …

  • Torsional Behavior of Concrete-Filled Circular Steel Tube ...

    In order to study the torsion behavior of concrete filled steel tube columns, a theoretical model for process analysis of concrete filled steel tubes under axial force and torsion was established.

  • Study of the Torsional Behavior of Aluminum -Filled ...

    Torsional test of aluminum -filled galvanized steel tube before and after high temperature is performed. The influence of temperature, porosity of aluminum and steel ratio on torsional behavior of aluminum galvanized steel tubes were analyzed. Experimental results showed that torsional curves of aluminum -filled galvanized steel tube before and after high temperature …

  • Torsional behaviour of concrete-filled circular steel ...

    1. Introduction. As a traditional composite structure, the concrete-filled steel tube (CFST) members have the advantages of high bearing capacity, good seismic performance and easy construction,, due to the restraint effect of steel tube on core concrete, which optimizes the mechanical properties of core concrete, and gives full play to the synergistic effect of the steel tube and concrete .

  • Torsional Behavior of Circular Concrete-Filled FRP Tubes ...

    A test program has been carried out to study the behavior of thin-walled centrifugal concrete-filled steel tube under torsion. Material properties of the concrete and steel used in the test ...

  • Torsional Behaviour of Concrete Filled Circular Steel Tube ...

    Oct 27, 2004· Studies on concrete filled steel tubes have been focused on the experiments of uni-axial compression and bending and eccentric compression. There were also a few studies that investigated CFT member behavior under combined compression and torsion. The behavior of a circular CFT column under combined torsion and compression was theoretically ...

  • Behavior Analysis and Design of Concrete-Filled Steel ...

    Jul 14, 2021· Behavior Analysis and Design of Concrete-Filled Steel Circular-Tube Short Columns Subjected to Axial Compression. 07/14/2021 ∙ by Duc Duy Pham, et al. ∙ 0 ∙ share . 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.

  • Finite element analysis of the dynamic behavior of ...

    Finite element analysis of the dynamic behavior of concrete-filled double skin steel tubes (CFDST) under lateral impact with fixed-simply support M. Liu & R. Wang Architecture and Civil Engineering, Taiyuan University of Technology, China Abstract Concrete-filled double skin steel tubes (CFDST) are a type of steel-concrete composite structure.

  • Stiffness of Concrete-Filled Thin-Walled Steel Tubular ...

    Jun 21, 2021· Abstract Concrete-filled thin-walled steel tubular slender columns are studied in this paper to evaluate their stiffness. The slender columns have various steel tube thicknesses, length/diameter (width) ratios, and concrete compressive strengths. The columns are loaded by axial and eccentric loads. Two experimental tests of the slender and stub columns are described. Also, the finite …

  • (PDF) EXPERIMENTAL TESTS ON CYCLIC BEAM-COLUMN …

    Towards Systems Behavior Factors for Composite Frames: Experimental and Analytical Studies By Tiziano Perea Determination of buckling loads from triaxial load tests of slender concrete-filled tube …

  • Torsional Behavior of Concrete-Filled Circular Steel Tube ...

    Torsional Behavior of Concrete-Filled Circular Steel Tube Columns Concrete-filled tubes (CFTs) are columns commonly used in building construction due to their structural effectiveness. Past studies on CFT have focused primarily on uniaxial compression, bending, and eccentric compression and a few investigations have studied member behavior ...

  • Cyclic performance of circular concrete-filled steel ...

    Aug 06, 2019· It is common that initial gaps exist between the steel tube and the core concrete in concrete-filled steel tubular structural members, which might affect the performance of the structure. This article aims to study the effects of the gaps on the cyclic behaviour of circular concrete-filled steel tubular members.

  • FUNDEMENTAL PURE TORSIONAL PROPERTIES OF CONCRETE FILLED ...

    Aug 24, 2010· fundemental pure torsional properties of concrete filled circular steel tubes Jehyun BECK 1) 2), Osamu KIYOMIYA 1) 3) 1) 2) Dept. of Civil Eng., Waseda University 3) Dept. of Civil Eng., Waseda University

  • Non-linear torsion behaviour of concrete filled steel tube ...

    Mar 18, 2016· Lee E-T, Yun BH, Shim HJ, Chang KH, Lee GC (2009) Torsional behavior of concrete-filled circular steel tube columns. J Struct Eng 135(10):1250–1258. Article Google Scholar 14. Han LH (2007) Concrete filled steel tube structures-theory and application (Second Edition). Science Press, Beijing. Google Scholar 15.

  • - -

    Flexural Behavior of circular concrete filled steel tubes (CFST) under sustained load and chloride corrosion. Thin-Walled Structures, 107:182-196. 37. Hou Chao, Han Lin-Hai and Zhao Xiao-Ling. 2015. Behaviour of circular concrete filled double skin tubes subjected to local bearing force. Thin-Walled Structures, 93:36-53. 38.

  • A New Torsion Testing Apparatus for Circular Members ...

    Feb 02, 2021· CFFT Samples. The 1800 mm long CFFT samples (Fig. 3) have their ends embedded into 400 mm long end blocks made of concrete-filled steel sections forming a dumbbell shape, resulting in a 1000 mm testing section.End blocks, commonly used with circular sections [26, 28], provide a mounting surface for the clamped loading brackets and a means to transfer torsion to the round section, …

  • COMPRESSIVE PERFORMANCES OF THE CONCRETE FILLED CIRCULAR ...

    Jul 25, 2011· a comparative study on square and circular high strength concrete-filled steel tube columns; flexural performance of circular concrete filled cfrp-steel tubes; static behavior of axially compressed circular concrete filled cfrp-steel tubular (c-cf …

  • Torsional Behaviour of Concrete Filled Circular Steel Tube ...

    CTBUH 2004 October 10~13, Seoul, Korea 1023 Torsional Behaviour of Concrete Filled Circular Steel Tube Column Considering Confinement Effect E. T. Lee 1, Bok-Hee Yun2, Ji-Young Park 3, K. H. Chang4 1 Assistant Professor, School of Architecture & Building Science, Chung-Ang University, KOREA 2Engineer, Structural Consulting Team, MIDAS IT, KOREA 3Researcher, Structural Eng. Dept., Korea ...

  • Eun-Taik Lee, Yun B H, Shim H J, Chang K H, George C Lee. Torsional behavior of concrete-filled circular steel tube columns[J]. Journal of Structural Engineering, 2009, 135(10): 1250―1258. [8],, . -[J].

  • BEHAVIOR OF HIGH STRENGTH CONCRETE FILLED SQUARE STEEL ...

    Jan 16, 2012· 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 1 School of Civil Engineering, Shenyang Jianzhu University, Shenyang, 110168, China. 2 School of civil Engineering, Tianjin University, Tianjin, 300072, China

  • EXPERIMENTAL STUDY ON THE SEISMIC BEHAVIOR OF A …

    are the shear walls with concrete-filled steel tubular frames and slits. The thickness of specimens is 50mm. Essential parameters of the specimens are shown in Table 1. Tab. 1 - Essential parameters of the specimens Specimen number Thickness of steel tube /mm Shear span ratio Cross-sections of steel tubular frames Dimension of steel

  • A Synopsis of Studies of the Monotonic and Cyclic Behavior ...

    A significant amount of research has been conducted worldwide on the behavior of concrete filled steel tubes (CFTs) in the past five decades. This report provides a summary of the behavior and experimental work of concrete filled steel tube members, connections, and frames that are reported in detail in the literature. These published

  • Experimental Study of H-Shaped Honeycombed Stub Columns ...

    Jun 08, 2021· The behavior of H-shaped honeycombed stub columns with rectangular concrete-filled steel tube flanges (STHCCs) subjected to axial load was investigated experimentally. A total of 16 specimens were studied, and the main parameters varied in the tests included the confinement effect coefficient of the steel tube ( ξ ), the concrete cubic compressive strength (fcu), the steel ...

  • Torsional Behavior of Concrete-Filled Circular Steel Tube ...

    Oct 10, 2009· Concrete-filled tubes (CFTs) are columns commonly used in high-rise building construction due to their structural effectiveness. Past studies on CFT have focused primarily on uniaxial compression, bending, and eccentric compression and a few investigations have studied member behavior under combined compression and torsion.

  • Torsional behavior of a new dumbbell-shaped concrete ...

    Jan 01, 2017· A total of ten, 950 mm long specimens were tested as shown in Table 1.Specimen C-0 is a 100 mm diameter control plain concrete specimen.Specimens ST-4 and ST-6 are control hollow steel tubes of 108 mm outer diameter and 4 and 6 mm wall thickness, respectively.CCFST-4 and CCFST-6 are circular concrete-filled tubes identical to ST-4 and ST6.

  • Behavior of circular concrete-filled steel tubular columns ...

    Behavior of circular concrete-filled steel tubular columns under pure torsion. Fa-xing Ding, Qiang Fu, Bing Wen, Qi-shi Zhou, Xue-mei Liu ... (T‒γ) curves of circular CFT columns under pure torsion. The numerical simulation indicated that local bulking of the steel tube in CFT columns was prevented and the shear strength and ductility of the ...

  • Torsional Behavior of Circular Concrete-Filled FRP Tubes ...

    Feb 23, 2021· Concrete-filled fiber-reinforced polymer (FRP) tubes (CFFTs) have been studied extensively under almost all loading conditions, except torsion. In this pioneering study, six 168-mm-diameter samples were tested in pure torsion, consisting of two hollow glass-FRP tubes …

  • Interface Bonding Behavior of Concrete-Filled Steel Tube ...

    Mar 01, 2021· 1. Introduction. Concrete-filled steel tube (CFST) is composed of steel tube and core concrete working together [1,2].It has the characteristics of high bearing capacity, large lateral rigidity, good ductility and high construction efficiency [3,4,5,6,7,8].CFST has been widely applied as the large load-bearing components in the construction because it can reduce the component size, save ...

  • Behavior of circular concrete-filled steel tubular columns ...

    Xie, X.Y. and Zha, X.X. (2012), "Torsion and shear behavior study of hollow and solid concrete filled steel tubular members II: Theoretical research on strength", Progress in Steel …

  • Torsional Behavior of Concrete-Filled Circular Steel Tube ...

    In order to study the torsion behavior of concrete filled steel tube columns, a theoretical model for process analysis of concrete filled steel tubes under axial force and torsion was established.

  • Study of the Torsional Behavior of Aluminum -Filled ...

    Torsional test of aluminum -filled galvanized steel tube before and after high temperature is performed. The influence of temperature, porosity of aluminum and steel ratio on torsional behavior of aluminum galvanized steel tubes were analyzed. Experimental results showed that torsional curves of aluminum -filled galvanized steel tube before and after high temperature …

  • Torsional behaviour of concrete-filled circular steel ...

    1. Introduction. As a traditional composite structure, the concrete-filled steel tube (CFST) members have the advantages of high bearing capacity, good seismic performance and easy construction,, due to the restraint effect of steel tube on core concrete, which optimizes the mechanical properties of core concrete, and gives full play to the synergistic effect of the steel tube and concrete .