On-site testing of masonry shear walls strengthened with timber panels-Reference-Cited by-同舟云学术

On-site testing of masonry shear walls strengthened with timber panels

Published:2021-05 Issue:5 Volume:174 Page:389-402
ISSN:0965-0911
Container-title:Proceedings of the Institution of Civil Engineers - Structures and Buildings
language:en
Short-container-title:Proceedings of the Institution of Civil Engineers - Structures and Buildings

Author:

Giongo Ivan¹^ORCID,Rizzi Ermes²,Riccadonna Daniele³,Piazza Maurizio⁴^ORCID

Affiliation:

1. Assistant Professor, Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy (corresponding author: )

2. PhD Fellow, Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy

3. PhD Candidate, Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy

4. Professor, Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy

Abstract

The effectiveness of a method to strengthen/repair unreinforced masonry (URM) by using timber-based products was investigated through experimental in situ testing. The strategy consists of timber-based panels connected to the masonry by means of screw fasteners. URM piers obtained from a century-old building were subjected to in-plane semi-cyclic quasi-static loading in as-built, repaired and retrofitted configurations. The application of the reinforcement on previously damaged piers led to a notable increase in the in-plane capacity while the initial stiffness of the repaired specimens was found to be consistent with that of the specimens tested as-built. When applied to undamaged masonry, the retrofit system allowed an in-plane force 40% higher than the capacity of the unreinforced walls, with the initial stiffness comparable with that of the repaired specimens. Both repaired and retrofitted specimens exhibited remarkable displacement capacity (drift levels > 2.0%) and energy dissipation.

Publisher

Thomas Telford Ltd.

Subject

Building and Construction,Civil and Structural Engineering

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/jstbu.19.00179

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