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Analytical Studies on Debonding Behaviour of RC Beams Strengthened with UHPFRC Overlay

Analytical Studies on Debonding Behaviour of RC Beams Strengthened with UHPFRC Overlay J. Inst. Eng. India Ser. A https://doi.org/10.1007/s40030-019-00364-0 ORIGINAL CONTRIBUTION Analytical Studies on Debonding Behaviour of RC Beams Strengthened with UHPFRC Overlay 1 2 2 • • Ramachandra Murthy Avadhanam Aravindan Muralidharan Ganesh Prakasam Received: 6 April 2018 / Accepted: 20 January 2019 The Institution of Engineers (India) 2019 Abstract The debonding characteristics of ultra-high-per- Keywords RC beam  Static loading  Debonding formance fibre-reinforced concrete (UHPFRC)-strength- Ultra-high-performance fibre-reinforced concrete ened structures under certain loading conditions have been Retrofitting  Fatigue loading investigated in this paper. Debonding of UHPFRC- strengthened structures seldom occurs owing to the fact List of Symbols that the tensile strength and the stiffness of UHPFRC are e , e Strains at the top and bottom faces of the 1 2 similar to that of the concrete substrate. This work con- adhesive centrates mainly on the strengthening scheme where u (x),u (x) Longitudinal displacements at the base of 1 2 UHPFRC is provided in the form of strips at the tension concrete and top of UHPFRC layer zone of concrete. The studies on the effect of normal and M M e , e Strain due to bending moments at the 1 2 shear stresses at the interface http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Analytical Studies on Debonding Behaviour of RC Beams Strengthened with UHPFRC Overlay

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Publisher
Springer Journals
Copyright
Copyright © 2019 by The Institution of Engineers (India)
Subject
Engineering; Civil Engineering
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-019-00364-0
Publisher site
See Article on Publisher Site

Abstract

J. Inst. Eng. India Ser. A https://doi.org/10.1007/s40030-019-00364-0 ORIGINAL CONTRIBUTION Analytical Studies on Debonding Behaviour of RC Beams Strengthened with UHPFRC Overlay 1 2 2 • • Ramachandra Murthy Avadhanam Aravindan Muralidharan Ganesh Prakasam Received: 6 April 2018 / Accepted: 20 January 2019 The Institution of Engineers (India) 2019 Abstract The debonding characteristics of ultra-high-per- Keywords RC beam  Static loading  Debonding formance fibre-reinforced concrete (UHPFRC)-strength- Ultra-high-performance fibre-reinforced concrete ened structures under certain loading conditions have been Retrofitting  Fatigue loading investigated in this paper. Debonding of UHPFRC- strengthened structures seldom occurs owing to the fact List of Symbols that the tensile strength and the stiffness of UHPFRC are e , e Strains at the top and bottom faces of the 1 2 similar to that of the concrete substrate. This work con- adhesive centrates mainly on the strengthening scheme where u (x),u (x) Longitudinal displacements at the base of 1 2 UHPFRC is provided in the form of strips at the tension concrete and top of UHPFRC layer zone of concrete. The studies on the effect of normal and M M e , e Strain due to bending moments at the 1 2 shear stresses at the interface

Journal

Journal of The Institution of Engineers (India): Series ASpringer Journals

Published: Jan 31, 2019

References