Punching shear strength of strengthened deck panels with externally bonded plates |
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| Affiliation: | 1. University of Minho, ISISE, Dep. Civil Eng., School of Eng., Campus Azurém, Guimarães, Portugal;2. University of Minho/University of Brasília-UnB, Dep. Civil Eng., School of Eng., Campus Azurém, Guimarães, Portugal;3. Instituto Politécnico de Viseu, ISISE, Dep. Civil Eng., School of Technology and Management of Viseu, Campus Politécnico, Viseu, Portugal;1. University of Minho, ISISE, Dep. Civil Eng., School of Eng., Campus Azurém, Guimarães, Portugal;2. University of Minho/University of Brasília-UnB, Dep. Civil Eng., School of Eng., Guimarães, Portugal;3. University of Brasília-UnB, Dep. Civil Eng., Campus Darcy Ribeiro, Brazilia, Brazil;1. Faculty of Engineering, Aswan University, 81542 Aswan Egypt;2. Faculty of Engineering, Bisha University, P O Box 551, KSA;3. School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Sackville Street, Manchester, P O Box 88, UK |
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| Abstract: | This paper proposes an analytical method to predict the punching shear strength of bridge decks that are strengthened using external bonding techniques. Since the steel reinforcement affects the punching strength of a bridge deck, the deck will have a mechanical effect on the strengthening material. The strengthening procedure will increase the effective punching depth over which the critical crack inclinations can be divided into two inclination angles, depending on whether they are located above or below the main steel reinforcement. To verify the analytical method that is proposed in this paper, comparisons were made with existing experimental results in the literature, which showed that the proposed method accurately predicts the punching strength of bridge decks strengthened using external bonding techniques. |
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