The Reticulatus method for shear strengthening of fair-faced masonry

Castori, Giulio, Corradi, Marco, Borri, Antonio and Sisti, Romina (2016) The Reticulatus method for shear strengthening of fair-faced masonry. Bulletin of Earthquake Engineering, 14 (12). pp. 3547-3571. ISSN 1570-761X

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Official URL: http://dx.doi.org/10.1007/s10518-016-0006-5

Abstract

This paper presents the results of several experimental campaigns recently carried out by the authors and devoted to the investigation of the mechanical performance of wall panels strengthened by applying repointing mortar and high strength stainless steel or composite cords. The reinforcement system, known as Reticulatus, allows the reinforcement of regular and irregular-shape masonry walls, when the fair-faced aspect must be kept. In the perspective of using this reinforcement method, this article summarizes the research that has been done so far, presenting new original test results and discussing the design procedures. Twenty-two square wall panels were loaded in their plane by means of a single point load acting through the panel’s diagonal. Experimental results are presented for four types of cord reinforcement using matched samples, reinforced and not. Increases in shear strength from 15 to 170 % were achieved for the strengthened panels. Each wall panel was loaded well into the lateral post-elastic regime and then unloaded. Experimental results were in good agreement with predictions from simple models which assume the wall panels to behave like a plate, neglecting the contribution of the repointing mortar, and accounting for the non-linear behavior of the masonry.

Item Type: Article
Uncontrolled Keywords: Steel cords, Lateral strength, Historic masonry, Mechanical testing
Subjects: H200 Civil Engineering
Department: Faculties > Engineering and Environment > Architecture and Built Environment
Depositing User: Marco Corradi
Date Deposited: 03 Oct 2016 09:19
Last Modified: 29 May 2017 03:00
URI: http://nrl.northumbria.ac.uk/id/eprint/27886

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