experimental behavior of circular concretefilled steel

Experimental behavior of circular concrete-filled steel ...

Feb 01, 2007  Abstract. This paper presented an experimental study on the behavior of circular, concrete-filled, steel tube (CFT) stub columns with self-compacting concrete (SCC) and normal concrete (NC) concentrically loaded in compression to failure. Four measurement methods on the axial deformation of specimens were compared.

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Experimental behavior of circular concrete-filled steel ...

This paper presented an experimental study on the behavior of circular, concrete-filled, steel tube (CFT) stub columns with self-compacting concrete (SCC) and normal concrete (NC) concentrically loaded in compression to failure. Four measurement methods on the axial deformation of specimens were compared. Seventeen specimens were tested to investigate the effects of concrete strength, notched ...

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Experimental Behavior and Design of High-Strength Circular ...

Jan 01, 2020  This paper investigates the behavior of high-strength circular concrete-filled steel tube (CFST) short columns. An experimental database consisting of 87 tests conducted on high-strength circular CFST short columns was compiled, and gaps in the existing research were identified.

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Experimental study on seismic behavior of high-strength ...

Mar 01, 2019  This paper presents the results of an experimental study on the seismic behavior of high-strength circular concrete-filled thin-walled steel tubular (HCFTST) columns with ultra-large diameter-to-thickness (D/t) ratios exceeding the limitations of the current construction standards.Sixteen HCFTST columns with different combinations of D/t ratio, concrete cylinder compressive strength (f c),

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Experimental Behavior of Concrete-Filled Steel Tube ...

Sep 09, 2016  Concrete-filled steel tube (CFT) columns offer significant advantages over columns made of either steel or concrete alone, such as large energy dissipation and increased strength and stiffness. To further improve the seismic performance of these columns, an experimental investigation was conducted into CFT columns using ultrahigh-strength steel.

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Experimental assessment of the flexural behaviour of ...

Jul 01, 2016  The author pointed out that circular steel tubes exhibit much higher post-yield axial ductility than square or rectangular tube cross-sections. Sakino et al. carried out a 5-year research on concrete-filled steel tubular column systems. In the study, a total of 114 specimens of different tube shape, depth-to-tube wall thickness ratio, and ...

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Experimental study of axial compression behavior of ...

Experimental study of axial compression behavior of circular concrete-filled steel tubes after being loaded at an early age Author links open overlay panel Ji Zhang a b Lu Ma a Changlin Zhou a Dongkyu Lee c Filip C. Filippou b

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Experimental Behavior of Concrete-Filled Steel Tube ...

Sep 09, 2016  Concrete-filled steel tube (CFT) columns offer significant advantages over columns made of either steel or concrete alone, such as large energy dissipation and increased strength and stiffness. To further improve the seismic performance of these columns, an experimental investigation was conducted into CFT columns using ultrahigh-strength steel.

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Experimental behaviour of high performance concrete-filled ...

Apr 01, 2008  Behavior and calculation on concrete-filled steel CHS (circular hollow section) beam-columns Steel Compos Struct , 4 ( 3 ) ( 2004 ) , pp. 169 - 188 CrossRef View Record in

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

1 天前  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

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Experimental Behavior of Concrete-Filled Steel Tubular ...

May 08, 2018  The findings of an experimental study that was undertaken to investigate the performance of concrete-filled steel tubular members subjected to lateral loads are reported in this study. Columns of pure concrete, concrete with reinforcing bars, and two steel tube thicknesses were considered. Two different tests were conducted in this study. One test is used to research the performance of steel ...

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Experimental behaviour of steel reduced beam section to ...

May 01, 2008  A conventional type of moment-resisting connection, which consists of a concrete-filled steel tubular (CFST) column and a steel beam, shown in Fig. 1, is widely used in tall buildings and has been investigated by a large number of researchers (e.g. Alostaz and Schneider ; Azizinamini and Schneider ; Schneider and Alostaz ).However, in practice in China, it was found that the ring width of

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(PDF) EXPERIMENTAL INVESTIGATION ON MONOTONIC BEHAVIOR

[4]. Sakino K, Tomii M. Hysteretic behavior of concrete filled square steel tubular beam-columns failed in flexure. Trans. of the Japan Concrete Institute, 1981, vol.3: 439-46. [5]. Wang, W., L. Han and B. Uy, 2008. Experimental behaviour of steel reduced beam section to concrete-filled circular hollow section column connections.

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Post-Fire Exposure Behavior of Circular Concrete-filled ...

Oct 19, 2020  Concrete-filled steel tube (CFST) columns are a composite member which mainly consists of steel tube infilled with concrete that are increasingly being used as load-carrying members these days. In construction industry, CFST columns are being preferred for the development of tall buildings and long-span bridges. This paper presents an experimental investigation on concrete-filled steel

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Experimental Investigation to Evaluate the Behavior of ...

Composite columns are generally installed in high-rise buildings and bridges. As well as being smaller and lighter than conventional reinforced concrete columns, composite columns offer high efficiency and ductility. In this research, experimental and analytical studies were carried out to investigate the optimal distribution of the ‎total steel area of the Concrete-Filled Hollow Steel Tube ...

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Behavior of octagonal concretefilled doubleskin steel

Behavior of concretefilled double skin steel tubular . Jul 31, 2008 10% Based on some conclusions of two kinds of concretefilled double skin steel tube (CFDSST) s with circular or square sections, a new kind of CFDSST with octagonal section, where the outer tube has an octagonal section and the inner tube has a circular section, is proposed in this Behaviors of the CFDSST s with octagon ...

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Experimental and analytical investigation on seismic ...

Jan 06, 2019  This paper proposed a new Q690 circular high-strength concrete-filled thin-walled steel tubular (HCFTST) column comprising an ultrahigh-strength steel tube (yield strength f y ≥ 690 MPa). A quasi-static cyclic loading test was conducted to examine the seismic behavior, and the obtained lateral load-displacement hysteresis curves, skeleton curves, and ductility were analyzed in detail.

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Inelastic behavior of circular concrete-filled steel tubes ...

Jul 06, 2017  In this paper, a computational procedure for determining the response of circular concrete-filled steel tube (CFT) columns to monotonic loading is developed. Firstly, the basis of the proposed method is established by creating accurate three-dimensional nonlinear finite element models of these columns, which are validated by comparing their response results with those of experimental

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Experimental Study on the Seismic Behavior of Tie Bar ...

Oct 10, 2020  This paper experimentally investigates the seismic behavior of tie bar stiffened round-ended concrete-filled steel tube columns. A total of 16 specimens were tested. The test parameters included the axial load ratio, bending axis, tie bar ratio, length of the stiffened region, column length-to-depth ratio, and cross-sectional shape.

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Experimental Behavior of Connections to Concrete-filled ...

Six large-scale connections were tested to failure using the quasi-static test method. All details consisted of a connection-stub which was shop fabricated and field bolted for construction. Experimental results indicated that welding the connection-stub directly to the skin of the steel tube resulted in a large deformation demand on the tube wall.

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(PDF) EXPERIMENTAL INVESTIGATION ON MONOTONIC BEHAVIOR

[4]. Sakino K, Tomii M. Hysteretic behavior of concrete filled square steel tubular beam-columns failed in flexure. Trans. of the Japan Concrete Institute, 1981, vol.3: 439-46. [5]. Wang, W., L. Han and B. Uy, 2008. Experimental behaviour of steel reduced beam section to concrete-filled circular hollow section column connections.

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Mechanical behavior of outer square inner circular ...

The mechanical behavior of the outer square inner circular concrete-filled dual steel tubular (SCCFT) stub columns under axial compression is investigated by means of experimental research, numerical analysis and theoretical investigation. Parameters such as diameter ratio, concrete strength and steel ratio were discussed to identify their influence on the mechanical properties of SCCFT short ...

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Axial compression behavior of circular recycled concrete ...

Apr 25, 2018  This paper presents an experimental work for short circular steel tube columns filled with normal concrete (NAC), recycled aggregate concrete (RAC), and RAC with silica fume and steel fiber. Ten specimens were tested under axial compression to research the effect of silica fume and steel fiber volume percentage on the behavior of recycled aggregate concrete-filled steel tube columns

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

Behavior of circular concrete-filled steel tubular columns under pure torsion Ding, Fa-xing (School of Civil Engineering, Central ... (1991), "The experimental research of concrete filled steel tubular slender column under combined compression and torsion", J. Harbin Inst. Constr. Eng., 24, 43-50. [In Chinese] ...

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Experimental study on creep behavior of fly ash concrete ...

Creep behaviors of fly ash concrete filled steel tube arch were experimentally investigated for 10% and 30% fly ash replacement. The axes of two arches are designed as circular arc with 2.1 m computed span, 0.24 m arch rise, and their cross-sections are all in circular section.

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Inelastic behavior of circular concrete-filled steel tubes ...

Jul 06, 2017  In this paper, a computational procedure for determining the response of circular concrete-filled steel tube (CFT) columns to monotonic loading is developed. Firstly, the basis of the proposed method is established by creating accurate three-dimensional nonlinear finite element models of these columns, which are validated by comparing their response results with those of experimental

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Experimental Investigation to Evaluate the Behavior of ...

Composite columns are generally installed in high-rise buildings and bridges. As well as being smaller and lighter than conventional reinforced concrete columns, composite columns offer high efficiency and ductility. In this research, experimental and analytical studies were carried out to investigate the optimal distribution of the ‎total steel area of the Concrete-Filled Hollow Steel Tube ...

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Experimental Investigation on the Structural Behavior of ...

Experimental Investigation on the Structural Behavior of Concrete Filled FRP Tubes with/without Steel Re-bar Vol. 15, No. 2 / February 2011 −339 − specimens are given in Table 1 and Table 2.

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Behavior of octagonal concretefilled doubleskin steel

Behavior of concretefilled double skin steel tubular . Jul 31, 2008 10% Based on some conclusions of two kinds of concretefilled double skin steel tube (CFDSST) s with circular or square sections, a new kind of CFDSST with octagonal section, where the outer tube has an octagonal section and the inner tube has a circular section, is proposed in this Behaviors of the CFDSST s with octagon ...

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An Experimental Behaviour of Cellular Lightweight Concrete ...

The axial load behavior of cellular lightweight concrete-filled tube (CLCFT) columns subjected to concentric axial compression is experimentally investigated. In the study, the maximum compressive loads obtained from the experiment were compared with the values calculated using Eurocode 4 design equation. The dimension of the square column specimens 150 mm in width and 750 mm in height.

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Experimental Performance of Recycled Aggregate Concrete ...

This paper is an attempt to study the cyclic performances of recycled aggregate concrete (RAC)-filled steel tubular columns. Thirteen specimens with circular section, including 10 RAC-filled steel tubular (RACFST) columns and 3 reference normal concrete-filled steel tubular (CFST) columns, were tested under constant axial load and cyclically increasing flexural loadings.

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STATIC BEHAVIOR OF AXIALLY COMPRESSED CIRCULAR

266 Static Behavior of Axially Compressed Circular Concrete Filled CFRP-Steel Tubular (C-CF-CFRP-ST) Columns with Moderate Slenderness Ratio number of the transverse CFRP layer. ts is the wall thickness of the steel tube, and t Nu,cr is the tested value of

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Experimental Study on Flexural Behavior of Concrete Filled ...

Jan 29, 2021  In this experimental work the behavior of concrete filled steel tubes under pure bending was studied. Twelve rectangular hollow tubes with different sizes 150×150; 200×150 and 250×150 mm were used. High strength concrete (56.3MPa to 90.9MPa) was used as infill for the hollow tubes for composite action.

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Behavior of Curved Concrete-Filled Circular Stainless ...

Behavior of Curved Concrete-Filled Circular Stainless Steel Tubular Struts under Compression Lianqiong Zheng1,2, Min Chen1 and Yongqian Zheng1,2 1College of Civil Engineering, Fujian University of Technology, Fuzhou 350118, China; 2Fujian Provincial Key Laboratory of Advanced Technology and Information in Civil Engineering (Fujian University of ...

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