PSI - Issue 44

Giorgio Giacomin et al. / Procedia Structural Integrity 44 (2023) 610–617 Giorgio Giacomin et al. / StructuralIntegrity Procedia 00 (2022) 000–000

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1. Introduction

This paper presents a case study consisting of an important renovation carried out on a load-bearing masonry building located in the municipality of Montecchio Maggiore (VI). The design of the interventions also took into account the seismic vulnerability of the building and had as its objective the increase of the seismic resistance and the related improvement of the overall capacity of the structure by also taking advantage of the tax breaks provided for by Legislative Decree "Relaunch" of 19 May 2020 n. 34. In the following discussion, particular attention is paid to the structural reinforcement performed with innovative composite materials FRP and FRCM. 2. Description of the work The work object of this work is a masonry building built in 1800 located in the municipality of Montecchio Maggiore (VI).It is intended for residential use and is three storeys above ground. The building has the typical characteristics of masonry buildings of the time, with perimeter walls made of disordered stones with an average thickness of about 60 cm and herringbone wall faces made of solid bricks and lime mortar. The inter-floor floors are made of wood, as is the roof. The configuration of the building is rather regular with vertically aligned holes. Below are some pictures of the structure, the elevations and the carpentry of the three levels.

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Fig. 1: (a) South elevation; (b) West elevation.

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Fig. 2: (a) 1st deck carpentry; (b) II deck carpentry; (c) III deck carpentry.

3. Reference legislation

For the design and execution of this consolidation intervention, the technical regulations in force on the subject and the related explanatory circular were considered: • Ministerial Decree 17/01/18 " Update of the Technical Standards for Construction ", hereinafter referred to as " NTC18 ".