Behaviour of CFST Members Under Compression Externally Reinforced by CFRP Composites

Sundarraja, M.C.; Prabhu, G. Ganesh

doi:10.3846/13923730.2012.743925

Cited by 18 publications

(10 citation statements)

References 11 publications

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“…To overcome these deficiencies, fireproofing steel is developed to shorten construction period, enlarge effective architectural space and reduce costs of maintenance etc. The steel has equivalent mechanical properties with common structural steel under normal temperature, while lower decreasing rate of load-carrying capacity compared with common steel under high temperature as shown in Figure 8 [33]. The fireproofing steel SN490-FR under 600 °C can sustain more than two thirds of the yield strength under normal temperature.…”

Section: Fireproofing Hpsmentioning

confidence: 99%

Volume 12 Number 3

2016

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Aims and scopeThe International Journal of Advanced Steel Construction provides a platform for the publication and rapid dissemination of original and up-to-date research and technological developments in steel construction, design and analysis. Scope of research papers published in this journal includes but is not limited to theoretical and experimental research on elements, assemblages, systems, material, design philosophy and codification, standards, fabrication, projects of innovative nature and computer techniques. The journal is specifically tailored to channel the exchange of technological know-how between researchers and practitioners. Contributions from all aspects related to the recent developments of advanced steel construction are welcome.

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Section: Fireproofing Hpsmentioning

confidence: 99%

Volume 12 Number 3

2016

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“…where e fw is calculated according to equation (13) and f fb is calculated according to equation (11).…”

Section: Aci 4401r-06 and Jsce Design Recommendationsmentioning

confidence: 99%

Study on shear resistance of fiberreinforced polymer–reinforced concrete beams

Valivonis

Budvytis

Atutis

et al. 2015

Advances in Mechanical Engineering

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This article is aimed to investigate the shear resistance of the beams reinforced with fiber-reinforced polymer stirrups. Together with theoretical analysis of the existing shear resistance provisions in design codes and literature, an experimental research was performed. During the experimental investigation, four doubly reinforced rectangular concrete beams were designed, produced, and tested to failure. A new analytical calculation method (including, but not limited to statistical validation) to investigate the shear response of fiber-reinforced polymer-reinforced concrete beams has been developed. A database with 102 beams was compiled, in order to evaluate the guideline provisions and proposed analytical calculation method. The experimental results were compared with theoretical results obtained by the proposed analytical calculation method. Correlation between analytical and experimental results is more accurate than using the existing provisions in design codes and literature for fiber-reinforced polymer-reinforced concrete beams.

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“…At some stages of loading, the hollow sections have undergone large deformation and the membrane strain was triggered in both directions when the tube started to elastically buckle. Haedir et al [17,18] predicted that the strength of short circular column was enhanced when reinforced with CFRP layers in transverse direction compared to the column with longitudinal layers. Based on the above, in this investigation, all the columns were aimed to strengthen with CFRP fabrics in transverse direction.…”

Section: Experimental Programmentioning

confidence: 99%

Strengthening of Hollow Square Sections under Compression Using FRP Composites

Sundarraja¹,

Sriram²,

Prabhu³

2014

Advances in Materials Science and Engineering

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The feasibility study on carbon fibre reinforced polymer (CFRP) fabrics in axial strengthening of hollow square sections (HSS) was investigated in this paper. CFRP was used as strips form with other parameters such as the number of layers and spacing of strips. Experimental results revealed that the external bonding of normal modulus CFRP strips significantly enhanced the load carrying capacity and stiffness of the hollow sections and also reduced the axial shortening of columns by providing external confinement against the elastic deformation. The increase in the CFRP strips thickness effectively delayed the local buckling of the above members and led to the inward buckling rather than outward one. Finally, three-dimensional nonlinear finite element modeling of CFRP strengthened hollow square sectionswas created by using ANSYS 12.0 to validate the results and the numerical results such as failure modes and load deformation behaviour fairly agreed with the experimental results.

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Behaviour of CFST Members Under Compression Externally Reinforced by CFRP Composites

Cited by 18 publications

References 11 publications

Volume 12 Number 3

Volume 12 Number 3

Study on shear resistance of fiberreinforced polymer–reinforced concrete beams

Strengthening of Hollow Square Sections under Compression Using FRP Composites

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