Journal
BULLETIN OF EARTHQUAKE ENGINEERING
Volume 16, Issue 2, Pages 803-829Publisher
SPRINGER
DOI: 10.1007/s10518-017-0220-9
Keywords
Timber-laced masonry; Three-leaf stone masonry; Diaphragm action; Grout injection; Seismic behaviour; Shaking table tests
Funding
- [244123]
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The present work focuses on the seismic behaviour of timber-laced masonry buildings with timber floors, before and after the application of intervention techniques. A two-storey building with timber ties (scale 1:2) was subjected to biaxial seismic actions. Prior to the execution of shaking table tests, the dynamic characteristics of the model were identified. The base acceleration was increased step-wise until the occurrence of significant but repairable damages. Afterwards, the masonry was strengthened by means of grouting, whereas the diaphragm action of the top floor of the building was enhanced and the model was re-tested. The tests on the timber reinforced model before strengthening show that the presence of timber ties within the masonry elements contributes to improved seismic behaviour. The performance of the model after strengthening shows that the selected intervention techniques led to a significant improvement of the seismic behaviour of the building model.
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