Design of Masonry Buildings in Seismic Regions of Republic of Moldova

Abstract eng:
Republic of Moldova is located in a seismic area with the seismicity between 6 and 9 degrees on MSK scale. The epicenter of the earthquakes is in the Carpathian Mountains, in the Romanian region of Vrancea. During USSR the specialists from the Moldovan Design Institutes were using Soviet construction codes for design of masonry buildings, such as SNiP II-22-81 «Stone Constructions and Reinforced Stone Constructions” and SNiP II-7-81 «Seismic Building Code». The buildings and edifices that were designed and built at that time according to the above mentioned codes were hit by the Carpathian earthquakes from 1977, 1986 and 1990 without sustaining any serious degradations. Currently, the design of the stonework buildings is based on Moldovan codes NCM F.03.02-2005 ”Design of masonry structural wall buildings”. These codes were elaborated by Moldovan scientists who conducted various experimental and theoretical studies. Based on these fundamental studies, the Moldovan antiseismic engineers developed new constructive solutions aimed to increase the height of stonework walls buildings to up to 9 stories. Moldova is the only former soviet country that designs and builds stonework buildings with such a height in seismic regions. This report reveals the design requirements for the foundations (footing), the walls and the seismic belts of masonry for buildings with up to 9 stories located in Moldovan seismic areas. These regions have a seismicity range between 6 and 9 degrees on MSK scale. The author believes that these requirements could be successfully applied in other seismic regions in Europe.

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