Analytical and experimental investigation on bond behavior of CFRP-to-stainless steel interface

Tang, Hongyuan; Deng, Xuezhi; Lin, Zhenghuan; Zhou, Xiang

doi:10.1016/j.compstruct.2019.01.007

Cited by 16 publications

(3 citation statements)

References 19 publications

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“…The CFRP sheets were bonded to the CFDST stub columns using epoxy adhesive. The measured tensile modulus and strength of the epoxy were 2.49 GPa and 53.1 MPa (Tang et al, 2019), respectively.…”

Section: Experimental Investigationmentioning

confidence: 97%

Analytical and experimental investigation on axial compression capacity of carbon fiber-reinforced plastic-confined concrete-filled double-skin steel tube stub columns

Tang

Qin

Hong

et al. 2023

Advances in Structural Engineering

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Concrete-filled double-skin steel tubes (CFDSTs) are widely used in civil engineering. During the service life of CFDSTs, their bearing capacity can be easily weakened by the corrosion of outer steel tubes. This study investigated the interaction mechanism and reinforcement effects of carbon fiber-reinforced plastic (CFRP)-confined CFDSTs under axial compression. Typical failure modes, axial load-shortening curves, and axial load-strain behaviors of CFDST and CFRP-confined CFDST (CFRP-CFDST) specimens were obtained. The test results showed that the ultimate bearing capacity of stub columns with concrete strength of C40 and C60 increased by 19.78% and 15.12%, respectively, when wrapped with two layers of CFRP sheets, and by 41.60% and 37.99%, respectively, when wrapped with four layers of CFRP sheets. In addition, the FE modeling of CFRP-CFDSTs was established and validated by experimental results. On this basis, the parametric analysis was conducted. To avoid local buckling and yield failure of the inner steel tubes before the outer steel tubes, a calculation formula was proposed for predicting the minimum wall thickness of the inner tube. Furthermore, the prediction formulas for the bearing capacity of CFDSTs and CFRP-CFDSTs were proposed.

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Section: Experimental Investigationmentioning

confidence: 97%

Analytical and experimental investigation on axial compression capacity of carbon fiber-reinforced plastic-confined concrete-filled double-skin steel tube stub columns

Tang

Qin

Hong

et al. 2023

Advances in Structural Engineering

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“…Due to its superior ductility and significant resistance to corrosions, stainless steel has been widely used as a sustainable and durable material. [28][29][30][31] Accordingly, international building codes specified design recommendations for the design of stainless steel. [32][33][34] Franco et al 35 investigated the flexural performance of concrete T-beams strengthened with stainless steel plates (SSPs).…”

Section: Introductionmentioning

confidence: 99%

“…Due to its superior ductility and significant resistance to corrosions, stainless steel has been widely used as a sustainable and durable material 28–31 . Accordingly, international building codes specified design recommendations for the design of stainless steel 32–34 .…”

Section: Introductionmentioning

confidence: 99%

Experimental and numerical investigations of the effectiveness of engineered cementitious composites and stainless steel plates in shear strengthening of reinforced concrete beams

Hamoda

Ahmed

Sennah

2022

Structural Concrete

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This paper investigates the shear strengthening of reinforced concrete (RC) beams incorporating engineered cementitious composite (ECC) and stainless steel plates (SSPs). The use of ECC, characterized by strain-hardening in conjunction with SSPs, was investigated in this study to improve the shear performance of RC beams. Total 10 RC beams were tested under static loading up to failure to investigate a few key parameters, namely: material of strengthening (ECC and SSPs), the thickness of ECC, and shape and configuration of SSPs. Experimental findings showed that the proposed strengthening methods can significantly improve the failure pattern and increase the ultimate shear capacity of the studied RC beams by 36%-97% compared to the unstrengthened beam. Experimental results were compared against the predicted ultimate shear strength of RC beams using design equations specified by various design codes. Nonlinear three-dimensional finite element modeling was developed for beams strengthened with ECC layer and validated against the test results and found to be accurate. Based on the experimental and numerical results, new shear capacity formulae were proposed considering the ratio of ECC-toconcrete beam cross-section (ρ ECC ) and then verified against the numerical predictions.

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Axial compression behavior of CFRP-confined rectangular concrete-filled stainless steel tube stub column

Tang

Liu

Zhao

et al. 2021

Front. Struct. Civ. Eng.

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Analytical and experimental investigation on bond behavior of CFRP-to-stainless steel interface

Cited by 16 publications

References 19 publications

Analytical and experimental investigation on axial compression capacity of carbon fiber-reinforced plastic-confined concrete-filled double-skin steel tube stub columns

Analytical and experimental investigation on axial compression capacity of carbon fiber-reinforced plastic-confined concrete-filled double-skin steel tube stub columns

Experimental and numerical investigations of the effectiveness of engineered cementitious composites and stainless steel plates in shear strengthening of reinforced concrete beams

Axial compression behavior of CFRP-confined rectangular concrete-filled stainless steel tube stub column

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