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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[PDF] Static behavior of T-shaped concrete-filled steel ...

In this paper, a batch of T-shaped concrete-filled steel tubular (CFST) columns, T-shaped steel tube confined concrete (STCC) columns and T-shaped reinforced concrete (RC) counterparts were tested subjected to concentric compressive load or eccentric compressive load. The battlement-shaped bar and tensile bar were developed as stiffeners to delay local buckling in tube wall.

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Static behaviors of reinforcement-stiffened square ...

Sep 01, 2012  The project is supported by National Natural Science Foundation of China and by Fundamental Research Funds for the Central Universities “Research on Static Behavior of L-shaped Concrete-filled Steel Tubular Columns” (lzujbky-2012-21).

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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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Static behavior of T-shaped concrete-filled steel tubular ...

Oct 01, 2015  Experimental and theoretical research have been conducted subjected to concentric and eccentric loads to study their static behavior , , . A latticed special-shaped column composed of concrete filled steel tubes was experimented subjected to a constant axial load and a cyclic flexural load . This kind of column worked together well and the ...

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[PDF] Static behavior of T-shaped concrete-filled steel ...

In this paper, a batch of T-shaped concrete-filled steel tubular (CFST) columns, T-shaped steel tube confined concrete (STCC) columns and T-shaped reinforced concrete (RC) counterparts were tested subjected to concentric compressive load or eccentric compressive load. The battlement-shaped bar and tensile bar were developed as stiffeners to delay local buckling in tube wall.

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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 the study, full concrete filled rectangular

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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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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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CFRP加固含腐蚀缺陷圆钢管混凝土短柱轴压承载力试验研究

Chen Mengcheng, Fang Wei, Huang Hong. Static behavior of corroded concrete-filled steel tubular members by simulating acid rain solution [J]. Engineering Mechanics, 2020, 37(2): 34 − 43. (in Chinese) doi: 10.6052/j.issn.1000-4750.2019.05.ST01 [9] 陈梦成, 林博洋, 黄宏. 锈蚀圆钢管混凝土短柱轴压承载力

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Degradation of Axial Ultimate Load-Bearing Capacity of ...

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 behavior of T-shaped concrete-filled steel tubular ...

Static behavior of T-shaped concrete- filled steel tubular columns subjected to concentric and eccentric compressive loads.. Thin- Walled Structures, 95,

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(PDF) Creep Behavior of Concrete-Filled Steel Tubular Members

Creep tests of concrete-filled steel tubular(CFT)members have been performed to clarify the behavior under the long-term load. The paper first presents the test results, and discusses the ...

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Study on Corrosion Characteristics of Concrete-Filled CFRP ...

Feb 25, 2020  The corrosion damage of pile foundations caused by a hygrothermal environment is a significant factor that influences the service life of high-pile wharf structures. The concrete-filled CFRP-steel tube (CFRP-CFST) pile is a composite structure composed of external Carbon Fiber-Reinforced Polymer (CFRP) sheets and inner concrete-filled steel tubes.

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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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Mechanical behavior of concrete filled glass fiber ...

Nov 09, 2013  The mechanical behavior of concrete-filled glass fiber reinforced polymer (GFRP)-steel tube structures under combined seismic loading is investigated in this study. Four same-sized specimens with different GFRP layout modes were tested by a quasi-static test system. Finite element analysis (FEA) was also undertaken and the results were presented.

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Degradation of Axial Ultimate Load-Bearing Capacity of ...

Feb 10, 2020  Concrete-filled steel tubes (CFSTs) are new composite materials produced by filling steel tubes with concrete. ... In-depth studies have been conducted on the static and dynamic behavior, flexural behavior, fire resistance, and joint application of recycled concrete and CFST members ... N s and N c are the AULCs of corroded steel tube and core ...

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Axial impact behaviors of stub concrete-filled square ...

May 03, 2019  The parameter analysis on the impact behavior of concrete-filled steel tube columns was performed using the finite element model as well. A simple method was proposed to calculate the impact strength of square concrete-filled steel tube columns and compared favorably with experimental results. Keywords axial impact, compression, concrete-filled ...

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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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Experimental Research on Static Behavior of Stiffened ...

Square concrete-filled steel tubes (CFSTs) are gaining increasing usage in modern construction practice, offering improved mechanical properties and increased material efficiency compared with the individual steel and core concrete components. However, the cross-section slenderness of the encasing steel is, although more inflexible than a comparable hollow steel tube, restrained due to local ...

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Experimental Research on Static Behavior of Stiffened ...

Experimental Research on Static Behavior of Stiffened Square Concrete-Filled Steel Tubular Columns Subjected to Axial Load

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Behaviour of concrete-filled steel tubes under static and ...

As part of a research program on the behavior under load of high-strength concrete-filled steel tubular (CFST) columns, a series of tests has been undertaken to study the influence of the shear ...

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Static Behavior Study for Latticed Concrete-Filled Steel ...

Six latticed concrete-filled steel tubular (CFST) wind turbine tower K-shape joints were carried on the static load test, which included the weld intersecting joint and gusset plate joint. The failure mechanism and characteristics on the two kinds of K-shape joints, the deformation development process after joints entered plastic stage and the stress state and distribution of joint ...

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Behavior of concrete-filled steel tubes subjected to axial ...

Investigations on concrete-filled steel tubular (CFST) members under static loads have been extensively reported. Still, limited researches have been conducted to investigate the behavior

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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. Results show that notches in steel

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Journal of Structural Engineering Applied Mechanics ...

dynamic and static behavior of a steel covered column Barış Sevim Composite columns are used to increase, strength for a given cross sectional dimension; stiffness leading to reduced slenderness and buckling resistance; corrosion and fire resistance in the case of concrete encased columns.

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Materials Special Issue : Behavior of Metallic and ...

Feb 28, 2021  Curved steel–concrete composite box beams are widely used in urban overpasses and ramp bridges. In contrast to straight composite beams, curved composite box beams exhibit complex mechanical behavior with bending–torsion coupling, including constrained torsion, distortion, and interfacial biaxial slip.

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Degradation of Axial Ultimate Load-Bearing Capacity of ...

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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International Journal of Steel Structures Volume 21, issue 3

Feb 13, 2021  Elevated Temperature Effect on the Dynamic Characteristics of Steel Columns and Frames. Authors (first, second and last of 6) Yunus Emrahan Akbulut. Ahmet Can Altunişik. Louai F. Wafa. Content type: OriginalPaper. Published: 17 March 2021.

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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 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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Cyclic behavior of precast segmental concrete bridge ...

The HP steel reinforcing bars are characterized by higher strength, greater ductility, and superior corrosion resistance compared with the conventional steel reinforcing bars. Three large‐scale columns were tested. One was designed with the HP ED bars and two with the conventional ED bars. The HP ED bars were fully bonded to the concrete.

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