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  • Seismic isolation, strengthening of walls with CFRP strips and heritage masonry buildings
    Tomaževič, Miha ; Klemenc, Iztok ; Weiss, Polona
    The efficiency of improving the seismic resistance of heritage masonry buildings by means of seismic isolation and strengthening of structure with CFRP laminate strips has been investigated. Five ... models of a simple two-storey brick masonry building with wooden floors without wall ties have been tested on the shaking table. Besides control model, two models, isolated by either damp proof course or seismic isolators, have been tested. Models four and five have been strengthened with CFRP laminate strips, simulating the wall ties placed horizontally and vertically at floor levels and corners of the building, respectively. One of the CFRP strengthened modelshas been placed on seismic isolators. Tests have shown that the damp proof course, unless adequately designed, cannot be considered as seismic isolation. The isolators have also not improved the behavior in the case of the building without wall ties. However, both models confined with CFRP stripsexhibited significantly improved seismic behavior. They did not collapseeven when the accelerations of the shaking table exceeded the accelerations, measured when tested the control models without wall ties, by three times.
    Source: Structural analysis of historic construction : preserving safety and significance : proceedings of the sixth International Conference on Structural Analysis of Historic Construction, 2-4 July [2008], Bath, United Kingdom (Str. 789-797)
    Type of material - conference contribution
    Publish date - 2008
    Language - english
    COBISS.SI-ID - 1414247

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