# static behavior of corroded concretefilled steel

### STATIC BEHAVIOR OF CORRODED CONCRETE-FILLED STEEL

It discusses the static performance deterioration of corroded concrete-filled steel tubular members by simulating acid rain solution, including:the mechanical properties of corroded steel materials; the axial compressive behavior of corroded concrete-filled steel tubular members; the pure bending mechanical properties of corroded concrete-filled steel tubular members; the eccentric compressive ...

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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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### Static behavior of axially compressed square concrete ...

Jan 01, 2017  Static behavior of axially compressed circular concrete filled CFRP-steel tubular (C-CF-CFRP-ST) columns with moderate slenderness ratio Adv. Steel Constr. , 12 ( 3 ) ( 2016 ) , pp. 263 - 295 View Record in Scopus Google Scholar

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### STATIC BEHAVIOR OF AXIALLY COMPRESSED CIRCULAR

Jan 19, 2015  Thirty-two specimens are experimentally tested in this paper to study the static performance of axially compressed circular concrete filled CFRP-steel tubular (C-CF-CFRP-ST) columns. The tested results indicate that, for columns with relative small slenderness ratio, failure is dominated by the strength loss of the materials.

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### Dynamic and static behavior of a steel covered column

columns. Also, they provide a formwork for concrete filled steel tubes and economical solutions with regard to material costs. They are effectively started to use in the world. This study presents the dynamic and static behavior assessment of a steel covered column. In the content of

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### Behavior of Steelâ Concrete Composite Beams with Corroded ...

The behavior of corroded steel–concrete composite beams under hogging moment was studied by experimental investigation and theoretical analysis. A total of eight specimens, six of which had corroded shear studs, were tested. The corrosion rate of studs ranged from 0 to approximately 50%. The constant-current accelerated corrosion method

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### STATIC BEHAVIOR OF AXIALLY COMPRESSED CIRCULAR

Jan 19, 2015  Thirty-two specimens are experimentally tested in this paper to study the static performance of axially compressed circular concrete filled CFRP-steel tubular (C-CF-CFRP-ST) columns. The tested results indicate that, for columns with relative small slenderness ratio, failure is dominated by the strength loss of the materials.

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### STUDY ON CORROSION ACTIVITY OF CARBON STEEL IN

effect of different loadings on the corrosion behavior of the steel bars in concrete or concrete simulated environment has been found. Therefore, it is imperative to study the impact of different loadings on the corrosion of steel in concrete environment. 1.2 Literature review 1.2.1 Concrete nature

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### The Structural Behaviour of Concrete Filled Steel Tubular ...

provides excellent static and earthquake resistant properties, such as high strength, high ductility, high stiffness, and large energy – absorption capacity. The main aim of composite construction is to utilize the properties of concrete and steel. The concrete filled steel tube column has wide

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### Nonlinear Analysis on Static Behaviors of New All-Bolted ...

All-bolted steel beam-to-column connections for concrete-filled square steel tube (CFST) have the advantages of industry manufacture, being constructed quickly and easily concreting. The new design all-bolted connection discussed in this paper has the construction details of Π-shape plate and high strength bolts which connect the steel beam and CFST column.

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### Flexural Performances of Square Concrete Filled CFRP-Steel ...

Nov 07, 2016  Static behavior of sixteen square concrete filled CFRP-steel tubular (S-CF-CFRP-ST) flexural members are experimentally investigated in this paper. The test results show that the moment-curvature curves on the cross-section of the composite members at the mid-span can be divided into three stages, i.e., elastic stage, elastoplastic stage and ...

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Feb 10, 2020  of Circular Thin-Walled Concrete-Filled Steel Tubular Stub Columns after Corrosion Fengjie Zhang 1, Junwu Xia 1, ... patterns of circular thin-walled CFST stub columns with corroded steel tubes are di erent from ... studies have been conducted on the static and dynamic behavior, ﬂexural behavior, ﬁre resistance, ...

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### Static Strength of Concrete-Filled Circle Tubular (CFCT) T ...

For typical tubular T-joint, the common failure generally occurs near the weld toe on the chord surface due to the fact that the stiffness of the chord in radial direction is much smaller than that of the brace in axial direction. In this paper, the static strength of tubular T-joints is improved by filling concrete into the chord. The finite element method is used to investigate the improving ...

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### Experimental Investigation on the Axially Loaded ...

Sep 29, 2019  This study aimed to investigate the static performance of notched hexagonal concrete-filled steel tube (CFST) stub columns through axial loading. Notch length, notch location, and notch direction in 14 CFST stub columns were experimentally studied. Stress process, failure mechanism, and ultimate strength in the notched CFST columns were analyzed.

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### Experimental Research on Static Behavior of Stiffened T ...

Experimental Research on Static Behavior of Stiffened T-Shaped Concrete-Filled Steel Tubular Stubs Subjected to Concentric Axial Loading تحقیقات تجربی در مورد رفتار ایستا از رفتار ایستا با فولاد پر شده بتن T stubs stubs برای بار کردن بار کردن Axial.

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### Most Cited Articles - Journal of Constructional Steel ...

Study of seismic behavior of recycled aggregate concrete-filled steel tubular columns. Yun Chao Tang, Li Juan Li and 3 more September 2018 Volume 148, Pages 1-15. Composite dowels as shear connectors for composite beams – Background to the design concept for static loading. Maik Kopp, Kevin Wolters and 6 more August 2018 Volume 147, Pages ...

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### Experimental Study on Flexural Behavior of Concrete Filled ...

Jan 29, 2021  Wie-Min Gho et.al. (2004) presented Flexural behavior of high-strength rectangular concrete-filled steel hollow sections. 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.

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### Study of seismic behavior on multi-storied buildings with ...

Concrete filled steel tubular members comprise of a steel hollow section of circular shape filled with concrete. Due to excellent static and earthquake resistant properties of concrete-filled steel tubular, they are being used widely in real civil engineering projects. They possess properties such as high strength, high ductility and

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### Typical diseases of a long-span concrete-filled steel ...

Aug 06, 2020  A long-span concrete-filled steel tubular (CFST) arch bridge suffers severe vehicle-induced dynamic responses during its service life. However, few quantitative studies have been reported on the typical diseases suffered by such bridges and their effects on vehicle-induced dynamic response. Thus, a series of field tests and theoretical analyses were conducted to study the effects of typical ...

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### Materials Free Full-Text Prediction and Analysis of ...

This paper presents a theoretical investigation on the safety evaluation, stability evaluation, and service life prediction of concrete-filled steel tube (CFST) structures in a Northern China area with acid rain. The finite element software ABAQUS was used to establish a numerical model, which was used to simulate the axial compression behavior of CFST columns subjected to the combined actions ...

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### The Structural Behaviour of Concrete Filled Steel Tubular ...

provides excellent static and earthquake resistant properties, such as high strength, high ductility, high stiffness, and large energy – absorption capacity. The main aim of composite construction is to utilize the properties of concrete and steel. The concrete filled steel tube column has wide

get price

### Nonlinear Analysis on Static Behaviors of New All-Bolted ...

All-bolted steel beam-to-column connections for concrete-filled square steel tube (CFST) have the advantages of industry manufacture, being constructed quickly and easily concreting. The new design all-bolted connection discussed in this paper has the construction details of Π-shape plate and high strength bolts which connect the steel beam and CFST column.

get price

### Experimental Study on Flexural Behavior of Concrete Filled ...

Jan 29, 2021  Wie-Min Gho et.al. (2004) presented Flexural behavior of high-strength rectangular concrete-filled steel hollow sections. 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.

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### PAPER OPEN ACCESS Comparison of behavior between

Mar 19, 2020  Concrete filled steel tubular (CFST) truss structures are widely being used in bridges and transmission towers all over the world. Design of connections is one of the most critical issues in truss structures; and it becomes even more complicated when corrosion causes loss of outer steel

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### Study of seismic behavior on multi-storied buildings with ...

Concrete filled steel tubular members comprise of a steel hollow section of circular shape filled with concrete. Due to excellent static and earthquake resistant properties of concrete-filled steel tubular, they are being used widely in real civil engineering projects. They possess properties such as high strength, high ductility and

get price

### Materials Free Full-Text Prediction and Analysis of ...

This paper presents a theoretical investigation on the safety evaluation, stability evaluation, and service life prediction of concrete-filled steel tube (CFST) structures in a Northern China area with acid rain. The finite element software ABAQUS was used to establish a numerical model, which was used to simulate the axial compression behavior of CFST columns subjected to the combined actions ...

get price

### Typical diseases of a long-span concrete-filled steel ...

Aug 06, 2020  A long-span concrete-filled steel tubular (CFST) arch bridge suffers severe vehicle-induced dynamic responses during its service life. However, few quantitative studies have been reported on the typical diseases suffered by such bridges and their effects on vehicle-induced dynamic response. Thus, a series of field tests and theoretical analyses were conducted to study the effects of typical ...

get price

### Tests and mechanics model for concrete-filled SHS stub ...

Mar 25, 2001  A series of tests on concrete-filled SHS (Square Hollow Section) stub columns (twenty), columns (eight) and beam-columns (twenty one) were carried out. The main parameters varied in the tests are (1) Confinement factor (${\xi}$) from 1.08 to 5.64, (2) concrete compression strength from 10.7MPa to 36.6MPa, (3) tube width to thickness ratio from 20.5 to 36.5.

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### CFRP strengthening and rehabilitation of corroded steel ...

Abstract A recent paper by the authors showed that the innovative technique of CFRP repair of severely corroded steel circular pipes is promising. This paper presents further experimental results for two series of CFRP strengthened and rehabilitated pipes under quasi-static large deformation 3-point bending and direct indentation. The main parameters examined in this paper were the corrosion ...

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### Most Cited Articles - Journal of Constructional Steel ...

Study of seismic behavior of recycled aggregate concrete-filled steel tubular columns. Yun Chao Tang, Li Juan Li and 3 more September 2018 Volume 148, Pages 1-15. Composite dowels as shear connectors for composite beams – Background to the design concept for static loading. Maik Kopp, Kevin Wolters and 6 more August 2018 Volume 147, Pages ...

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### Load Carrying Capacity of CFST Column Element With ...

• Flexural behavior of circular concrete filled steel tubes This paper studies the flexural behavior of circular concrete filled steel tubes (CFST) under sustained load and chloride corrosion. 7CFST specimens were tested under a four-point bending load. It was found that corrosion causes noticeable

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### Behaviour of Steel Structures in Seismic Areas: STESSA ...

Aug 12, 2009  Improvement of seismic behavior of concentrically braced frames making use of fuse elements in brace members A. Rezaeian, R. Izadifar S. Sharifi Pirkoohi. Session 8: Mixed and composite structures I. A study on the connection of concrete filled steel tubes (CFT) with built-in steel bars Q.Y. Qiao, A. Kawano, A. Nawa, K. Kutani T. Shirakawa

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### Behavior of Hollow-Core FRP-Concrete-Steel Columns ...

alternative to steel tubes in concrete filled steel tubes (CFST). CFFTs have many advantages such as light weight-to-strength ratio, high confinement and corrosion resistance compared to steel tubes. Seismic behavior of CFFT columns has been studied (e.g. Shin and Andrawes 2010, Zhu et al. 2006).

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### Analysis of Finite Element Mechanism of Axial Compressive ...

Mar 17, 2021  Concrete-filled steel tube (CFST) columns are broadly employed in high-rise buildings because of the perfect mechanical performance and convenient construction (Han An, 2014; Han et al., 2014; Han et al., 2014; Xu et al. 2016).The large cross-section size of the heel post of the traditional structure is easy to cause the phenomenon of exposed column in the building, and the space

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