Evaluation of FRP-based strengthening design criteria for concrete structures

Research output: Contribution to conferencePaper

23 Downloads (Pure)

Abstract

This paper looks at the influence of various parameters in flexural strengthening design specifications, as prescribed by three major international design guidelines namely, ACI440, TR55 and FIB14. A four-level conservativeness frame-work has been highlighted using which flexural conservativeness flowchart is developed to demonstrate how conservativeness is integrated within strengthening design processes at various levels. Various generalised mathematical relationships for flexural strengthening design are also described. Based on these relationships the evaluation of flexural design criteria and their influence on strengthening design, with particular emphasis on residual conservativeness in the design solutions, are presented. The results show that there is significant variation in residual conservativeness of the resultant design solutions obtained using different strengthening design guidelines. Further, it has been shown how the possibility of debonding or rupture failure of the FRP results into different residual conservativeness. A clear mathematical basis for segregating debonding and rupture failure modes as a remedy is also presented.
Original languageEnglish
Publication statusPublished - Jun 2010
Event8th FIB International PhD Symposium in Civil Engineering - Lyngby, Denmark
Duration: 20 Jun 201023 Jun 2010

Conference

Conference8th FIB International PhD Symposium in Civil Engineering
CountryDenmark
CityLyngby
Period20/06/1023/06/10

Fingerprint

Concrete construction
Debonding
Failure modes

Cite this

Kansara, K., Ibell, T., Darby, A., & Evernden, M. (2010). Evaluation of FRP-based strengthening design criteria for concrete structures. Paper presented at 8th FIB International PhD Symposium in Civil Engineering, Lyngby, Denmark.

Evaluation of FRP-based strengthening design criteria for concrete structures. / Kansara, Kunal; Ibell, Timothy; Darby, Antony; Evernden, Mark.

2010. Paper presented at 8th FIB International PhD Symposium in Civil Engineering, Lyngby, Denmark.

Research output: Contribution to conferencePaper

Kansara, K, Ibell, T, Darby, A & Evernden, M 2010, 'Evaluation of FRP-based strengthening design criteria for concrete structures' Paper presented at 8th FIB International PhD Symposium in Civil Engineering, Lyngby, Denmark, 20/06/10 - 23/06/10, .
Kansara K, Ibell T, Darby A, Evernden M. Evaluation of FRP-based strengthening design criteria for concrete structures. 2010. Paper presented at 8th FIB International PhD Symposium in Civil Engineering, Lyngby, Denmark.
Kansara, Kunal ; Ibell, Timothy ; Darby, Antony ; Evernden, Mark. / Evaluation of FRP-based strengthening design criteria for concrete structures. Paper presented at 8th FIB International PhD Symposium in Civil Engineering, Lyngby, Denmark.
@conference{dd2e2d0713c244aea4bddbee53b3749e,
title = "Evaluation of FRP-based strengthening design criteria for concrete structures",
abstract = "This paper looks at the influence of various parameters in flexural strengthening design specifications, as prescribed by three major international design guidelines namely, ACI440, TR55 and FIB14. A four-level conservativeness frame-work has been highlighted using which flexural conservativeness flowchart is developed to demonstrate how conservativeness is integrated within strengthening design processes at various levels. Various generalised mathematical relationships for flexural strengthening design are also described. Based on these relationships the evaluation of flexural design criteria and their influence on strengthening design, with particular emphasis on residual conservativeness in the design solutions, are presented. The results show that there is significant variation in residual conservativeness of the resultant design solutions obtained using different strengthening design guidelines. Further, it has been shown how the possibility of debonding or rupture failure of the FRP results into different residual conservativeness. A clear mathematical basis for segregating debonding and rupture failure modes as a remedy is also presented.",
author = "Kunal Kansara and Timothy Ibell and Antony Darby and Mark Evernden",
year = "2010",
month = "6",
language = "English",
note = "8th FIB International PhD Symposium in Civil Engineering ; Conference date: 20-06-2010 Through 23-06-2010",

}

TY - CONF

T1 - Evaluation of FRP-based strengthening design criteria for concrete structures

AU - Kansara, Kunal

AU - Ibell, Timothy

AU - Darby, Antony

AU - Evernden, Mark

PY - 2010/6

Y1 - 2010/6

N2 - This paper looks at the influence of various parameters in flexural strengthening design specifications, as prescribed by three major international design guidelines namely, ACI440, TR55 and FIB14. A four-level conservativeness frame-work has been highlighted using which flexural conservativeness flowchart is developed to demonstrate how conservativeness is integrated within strengthening design processes at various levels. Various generalised mathematical relationships for flexural strengthening design are also described. Based on these relationships the evaluation of flexural design criteria and their influence on strengthening design, with particular emphasis on residual conservativeness in the design solutions, are presented. The results show that there is significant variation in residual conservativeness of the resultant design solutions obtained using different strengthening design guidelines. Further, it has been shown how the possibility of debonding or rupture failure of the FRP results into different residual conservativeness. A clear mathematical basis for segregating debonding and rupture failure modes as a remedy is also presented.

AB - This paper looks at the influence of various parameters in flexural strengthening design specifications, as prescribed by three major international design guidelines namely, ACI440, TR55 and FIB14. A four-level conservativeness frame-work has been highlighted using which flexural conservativeness flowchart is developed to demonstrate how conservativeness is integrated within strengthening design processes at various levels. Various generalised mathematical relationships for flexural strengthening design are also described. Based on these relationships the evaluation of flexural design criteria and their influence on strengthening design, with particular emphasis on residual conservativeness in the design solutions, are presented. The results show that there is significant variation in residual conservativeness of the resultant design solutions obtained using different strengthening design guidelines. Further, it has been shown how the possibility of debonding or rupture failure of the FRP results into different residual conservativeness. A clear mathematical basis for segregating debonding and rupture failure modes as a remedy is also presented.

M3 - Paper

ER -