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Earthquakes and Structures Volume 16, Number 5, May 2019 , pages 601-609 DOI: https://doi.org/10.12989/eas.2019.16.5.601 |
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Effect of distribution shape of the porosity on the interfacial stresses of the FGM beam strengthened with FRP plate |
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Benferhat Rabia, Tahar Hassaine Daouadji and Rabahi Abderezak
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| Abstract | ||
| The effect of the porosity and its distribution shape on the normal and shear interfacial stresses of the FGM beam strengthened with FRP plate subjected to a uniformly distributed load are investigated analytically in the present paper. Basically, the governing equations of FGM beams with porosity strengthened with composite plates are identical to the ones without porosity. Nonetheless, when the effect of the porosity and its distribution shape are taken into account, the rule of mixture was reformulated to assess the material characteristics with the porosity phases and its distribution shape. This work discusses the influence of the gradient index, the porosity and its distribution shape on the interfacial stresses. | ||
| Key Words | ||
| interfacial stresses; FGM beam; FRP composites; porosity | ||
| Address | ||
| Benferhat Rabia, Tahar Hassaine Daouadji and Rabahi Abderezak: Departement de Genie Civil, Universite Ibn Khaldoun Tiaret; BP 78 Zaaroura, Tiaret, Algerie; Laboratoire de Geomatique et Developpement Durable, Universite de Tiaret, Algerie | ||