Problems Related to the use of Fiber Reinforced Cementitious Materials as Strengthening of Masonry Members

Sinicropi, Daniela, Borri, Antonio, Corradi, Marco and Paradiso, Michele (2016) Problems Related to the use of Fiber Reinforced Cementitious Materials as Strengthening of Masonry Members. In: ECCOMAS Congress 2016 - Proceedings of the 7th European Congress on Computational Methods in Applied Sciences and Engineering. National Technical University of Athens, Athens, pp. 5314-5325. ISBN 9786188284401

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This paper gives the results of a series of tests carried out on brick columns and panels reinforced with Fibre Reinforced Cementitious Materials. Steel and glass fibres were used, and cement and lime mortars were employed as the matrices. The issue of durability of reinforced masonry structures, that is the transformation from sole masonry structures to hybrid ones, was investigated. Six brickwork columns (three unreinforced and three reinforced) and eighteen solid brick panels were built and tested (two unreinforced, 16 reinforced with steel cords or glass fibre). Tests were carried out in laboratory, and the results enabled the determination of the compression strength of the masonry before and after the application of the reinforcement, and before and after environmental effects. The main goal of the durability testing was to verify whether the artificial ageing process hinders the resistance. At the end of the cycles, a first visual observation was performed in order to evaluate if superficial alterations took place, such as efflorescence or micro cracking due to the immersion in the sodium chloride (NaCl) solution. The aged reinforced specimens appear to have a losses that range from 4% to 25% of the ultimate load, depending on the type of reinforcement and mortar used, although scattering of results confirm the need of more extensive testing.

Item Type: Book Section
Uncontrolled Keywords: Historic masonry, Mechanical testing, Steel fibers, GFRP grids, Confinement.
Subjects: H200 Civil Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Marco Corradi
Date Deposited: 05 Oct 2016 10:43
Last Modified: 31 Jul 2021 15:46

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