Strengthening of fair face masonry columns with steel hooping

Borri, Antonio, Castori, Giulio and Corradi, Marco (2014) Strengthening of fair face masonry columns with steel hooping. Materials and Structures, 47 (12). pp. 2117-2130. ISSN 1359-5997

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Official URL: http://dx.doi.org/10.1617/s11527-014-0376-6

Abstract

The innovative technique here illustrated is the result of historical evolution of ancient systems of hooping and is conditioned by design criteria that take into account the structural life in the respect of existing elements. It consists in the application of small diameter stainless steel cords able to provide overlapping hoops at every course over the entire height of the column. Three series of uniaxial compression tests, with a total of 19 specimens, were conducted on model brick masonry columns with these variables: cross-section geometry, amount and scheme of confining reinforcement. Laboratory outcomes have shown how the investigated confining systems are able to provide significant gains in terms of compressive strength (values of the confined-to-unconfined strength ratio ranging between 1.45 and 3.00 have been obtained). Test results have been finally used to assess the reliability of the existing design equations suggested by Italian National Research Council for design of FRP strengthening of masonry columns.

Item Type: Article
Uncontrolled Keywords: Columns, confinement, brick masonry, steel cords, comparative studies
Subjects: H200 Civil Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Becky Skoyles
Date Deposited: 04 Aug 2014 10:33
Last Modified: 10 Aug 2015 11:02
URI: http://nrl.northumbria.ac.uk/id/eprint/17327

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