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- W1676038420 abstract "2SUMMARY This contribution presents the results of an experimental investigation carried out on the shaking table of the National Laboratory of Civil Engineering of Lisbon (LNEC), in order to validate the efficiency of some constructive proposals aiming at improving the structural behaviour of non engineered masonry housing subjected to low to moderate seismic action, with rather low costs compared to traditional North-European practice. Two specimens have been tested. These specimens were two full-scale small houses with two levels. The first one was built as a traditional Belgian house, while the second included some anti-seismic technical details. The main conclusions are that both specimens were still standing at the maximum earthquake level foreseen for Belgium, but that the improved model was much less damaged regarding crack openings in the walls. Therefore the economic consequences and repair costs would be much lower with these improvements. However the maximum ground acceleration that can be sustained by the structures seems to be very little influenced by the constructional detailing. Seismicity level in North-European countries is obviously lower than in other well identified seismic countries like Greece, Turkey, California or Japan. Big earthquakes can however occur. They are simply more spaced in time. Layout of the walls and standard constructional details of simple non engineered Belgian constructions can be really unsafe and lead to dangerous partial collapse (fall of walls, opening of cracks) and even to total collapse for the maximum earthquake foreseen in our country. Many of these damages have indeed been for instance observed after the earthquake in Liege (Belgium) in 1983. It comes then that architects have usually the choice between two main options: either to design without accounting for possible earthquakes, and therefore produce unsafe structures, or to realize reinforcements that are of common practice in high seismicity areas, but excessive and uneconomic in North-European countries. In this context, a first part of the paper presents some conclusions of a research program that aimed at developing specific technical details allowing the building of structures that should behave healthily when subjected to low to moderate seismic action, with rather low additional costs compared to traditional practice. A second part of the paper presents the results of an experimental investigation carried out on the shaking table of the National Laboratory of Civil Engineering of Lisbon (LNEC), in order to validate the efficiency of the proposals of the first part of the research. Two specimens of houses have been tested. The first one was built as a traditional Belgian house, while the second included some anti-seismic technical details." @default.
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- W1676038420 date "2006-01-01" @default.
- W1676038420 modified "2023-10-13" @default.
- W1676038420 title "EXPERIMENTAL INVESTIGATION ON THE SEISMIC BEHAVIOUR OF MASONRY HOUSING IN LOW SEISMICITY AREAS" @default.
- W1676038420 hasPublicationYear "2006" @default.
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