In this contribution, some results obtained by applying sonic tomography on historic masonry structures are presented. Three different case histories are described. The investigated masonry portions date back to different ages, from the XIII to the XVII Century, and belong to different kind of structures, i.e. towers, churches, defensive town walls. They are all characterized by non-homogeneous masonry, made of mixed stone and/or bricks, with possible presence of multiple leaves, incoherent infill, voids, poor mortars, and lack or weak connection among the elements. The results show that sonic wave transmission velocity can give useful information for evaluating the consistency and the state of conservation of this kind of masonry. Moreover, when sonic tests and tomographies are applied before and after repair interventions able to modify the physical and mechanical properties of masonry, such as grout injections, they can give useful information on the effectiveness of the strengthening technique applied.

Use of sonic tomography for the diagnosis and the control of intervention in historic masonry buildings

DA PORTO, FRANCESCA;VALLUZZI, MARIA ROSA;MODENA, CLAUDIO
2003

Abstract

In this contribution, some results obtained by applying sonic tomography on historic masonry structures are presented. Three different case histories are described. The investigated masonry portions date back to different ages, from the XIII to the XVII Century, and belong to different kind of structures, i.e. towers, churches, defensive town walls. They are all characterized by non-homogeneous masonry, made of mixed stone and/or bricks, with possible presence of multiple leaves, incoherent infill, voids, poor mortars, and lack or weak connection among the elements. The results show that sonic wave transmission velocity can give useful information for evaluating the consistency and the state of conservation of this kind of masonry. Moreover, when sonic tests and tomographies are applied before and after repair interventions able to modify the physical and mechanical properties of masonry, such as grout injections, they can give useful information on the effectiveness of the strengthening technique applied.
2003
Non-destructive Testing in Civil Engineering
3931381498
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/2454199
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