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 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 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 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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Mechanical behavior of circular and square concrete filled ...

Sep 01, 2015  Experimental behavior of circular concrete-filled steel tube stub columns. J Constr Steel Res, 63 (2) (2007), pp. 165-174. Article Download PDF View Record in Scopus Google Scholar. FX Ding, ZW Yu, Y. Bai. Elasto plastic analysis of circular concrete-filled steel tube stub columns. J Constr Steel Res, 67 (10) (2011), pp. 1567-1577.

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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.

get price

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.

get price

Experimental Behavior of Concrete-Filled Stainless Steel ...

Apr 04, 2017  Concrete-filled stainless steel tubular (CFSST) columns have attracted increasing research interests in recent years; however, It seems that the behavior of this type of innovative column under cyclic loading has not been addressed sufficiently so far.

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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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(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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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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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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Experimental and Numerical Analysis of Hollow and Solid ...

Jul 27, 2021  2.2. Test Setup and Instrumentation. Figures 3(a) and 3(b) show the experimental setup for the vertical static test and low-velocity impact test of the RC piers, respectively. All piers were fixed at one end and simply supported at the other end. A steel beam placed on the concrete base was bolted to the floor to achieve the fixed boundary condition.

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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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Shear Behavior Of Circular Concrete Members Reinforced

The cyclic-shear behavior of composite circular concrete-filled steel tubes (CFSTs) and reinforced concrete-filled steel tubes (RCFSTs) was experimentally and numerically investigated. Specimens with 32.39 and 40.64 cm diameters were considered, with diameter-to

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Звіти організацій: "Concrete-filled bimetallic tubes (CFBT ...

The behaviour of circular concrete-filled steel tubes (CFT) with various concrete strengths under axial load is presented. The effects of steel tube thickness, the bond strength between the concrete and the steel tube, and the confinement of concrete are examined.

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Experimental behaviour of circular concrete filled steel ...

Abstract This paper presents 18 tests conducted on short, medium and long circular Concrete Filled Steel Tube (CFST) columns. To explore the impact of column parameters and confinement effect three L/D ratios, two D/t ratios, two steel qualities and three concrete classes were employed. Some specimens have properties within application limits of EC4 and AISC 360-10 whereas others have ...

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Experimental Behavior of Concrete-Filled Stainless Steel ...

Apr 04, 2017  Concrete-filled stainless steel tubular (CFSST) columns have attracted increasing research interests in recent years; however, It seems that the behavior of this type of innovative column under cyclic loading has not been addressed sufficiently so far.

get price

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

get price

Experimental Behaviour of Recycled Aggregate Concrete ...

Jan 03, 2019  Concrete-filled steel tube (CFST) is one of the widely used composite materials in construction. In comparison with reinforced concrete, the advantages of CFST can be (1) lightweight; (2) steel tubes replace the tedious formwork and thus reduce the construction time and cost; (3) steel tubes can carry construction load in early age of concrete; (4) concrete is confined by steel tubes resulting ...

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

Jul 15, 2021  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 Investigation on Behavior of High-Strength ...

Sep 12, 2019  According to the experimental and design code calculations, the behaviors of both lightweight concrete-filled steel tubular struts and normal concrete-filled steel tubular struts were very similar. For circular LWCFT strut of 2 mm, 3 mm, and 4 mm, percentage decrement of load-carrying capacity compared with normal concrete was calculated as 10 ...

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BEHAVIOR OF HIGH STRENGTH CONCRETE FILLED SQUARE

The concrete filled square steel tubular column with inner CFRP circular tube is composed of a CFRP inner tube, a outer steel tube, and concrete filled in the two tubes, as shown in Figure 1. In order to study the mechanical behavior of high strength concrete filled square steel tubular columns

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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.

get price

Shear Behavior Of Circular Concrete Members Reinforced

The cyclic-shear behavior of composite circular concrete-filled steel tubes (CFSTs) and reinforced concrete-filled steel tubes (RCFSTs) was experimentally and numerically investigated. Specimens with 32.39 and 40.64 cm diameters were considered, with diameter-to

get price

Experimental and Numerical Analysis of Hollow and Solid ...

Jul 27, 2021  2.2. Test Setup and Instrumentation. Figures 3(a) and 3(b) show the experimental setup for the vertical static test and low-velocity impact test of the RC piers, respectively. All piers were fixed at one end and simply supported at the other end. A steel beam placed on the concrete base was bolted to the floor to achieve the fixed boundary condition.

get price

Behavior of large-scale connections between circular ...

Yao, H, Goldsworthy, H, Gad, E (2008) Experimental and numerical investigation of the tensile behavior of blind-bolted T-stub connections to concrete-filled circular columns. Journal of Structural Engineering 134(2): 198 – 208 .

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Behavior of Box Concrete-Filled Steel Tube Columns ...

Apr 27, 2021  In recent years considerable attention has been given to estimating the strength of box concrete-filled steel tube (CFST) stub columns. The effect of confining pressures is one of the complexities in determining the ultimate strength of the CFST columns. An experimental database of 188 tested columns has been used to produce two types of formulae: modified and simplified, that can

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

Jul 14, 2021  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.

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Effects of Concentrical Partial (Local) Compression on the ...

Oct 20, 2015  The objective of this present paper is to investigate the structural behavior of square and circular Concrete Filled Steel Tubular (CFST) stub columns subjected to axial partial/local compression. The experimental parameters were local compression area and section type. Among the twelve specimens, six specimens were tested under full compression and the remaining six specimens were

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