Seismic retrofit of masonry buildings with polymer grid

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Seismic retrofit of masonry buildings with polymer grid

Author: A. Dusi & E. Manzoni Numeria Consulting Srl, Cremona, Italy. M. Mezzi Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy. G. Stevens Maccaferri NZ Ltd, Penrose, Auckland, New Zealand. | Size: 622 KB | Format: PDF | Quality: Unspecified | Publisher: roceedings of the Ninth Pacific Conference on Earthquake Engineering Building an Earthquake-Resilient Society 14-16 April, 2011, Auckland, New Zealand | Year: 2011 | pages: 8

The performance of masonry walls reinforced using innovative polymer grids embedded into thin plaster layers as a tools for the seismic enhancement of brick masonry buildings have been investigated by experimental tests. A number of diagonal compression, shear compression and out-of-plane tests were executed on sample panels; experimental activities included pseudo-dynamic and shaking table tests on infills and reduced scaled building mock-ups, respectively. The results of the experimental activities are presented and discussed. Experimental campaigns have been supported by theoretical and numerical investigations; based on the experimental data and on the results of detailed numerical simulations, simplified models to be used as tools for the design of the retrofitting intervention are hereinafter proposed. The models, calibrated on the experimental evidence, properly consider the collapse mechanisms as well as the grid
effect in the evolution of the above mentioned mechanisms.

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