Experiencias constructivas del terremoto de Lorca

Abstract

The Lorca earthquake of May 11, 2011, is the most important event that has affected the Spanish mainland in the last 55 years, since the earthquake of Albolote (Granada) in 1956 which, interestingly, was the same type and had the same magnitude of 5,1 degrees on the Richter scale. In these 55 years, the typology of the buildings has changed completely, from buildings of masonry walls up to two storeys high, the generalization of apartment buildings from an average of 6 floors, columns and beams whith rigid joints and concrete floors. It is important to make constructive behavioral experiences that have buildings Lorca, it is the only real case we have, for the improvement of seismic structural safety of buildings in Spain. Lorca has been found in the bad behaviour of the brick structures with which it is built heritage. It has been proved that with the exception of a building, the new structures of concrete and steel seismic acceleration has exceeded three times the standard prescribed by seismic NCSE-02, which were calculated. By contrast, there has been the worse performance of the factory elements (bibs, fences, walls, etc, brick) with widespread failures, which are those that produced the enormous damage to housing and personal injury. These elements are not «structural» but the NCSE-02 standard set for them conditions that have not implemented in buildings constructed since the adoption of this standard.

Almoravid Works on Defensive Architecture in Southeast Al-Andalus: Analysis of Their Remains and Proposal for Preventive Conservation

“…This resulted in an increase in the importance of its port, the shipyards being built at that time [70] (pp. [23][24][25], with the port becoming the headquarters of the Almoravid fleet [71] (p. 646).…”

“…This fact has made it possible to call for the integration of hazard maps into urban planning as a preventive measure [22], or to prioritise and design specific conservation actions when analysing the probability of risks and identifying areas susceptible to damage that threaten cultural heritage [23]. Environmental, climatological, geomorphological, fire and flooding factors, together with the high degree of seismicity that is widespread in the southeast of the Iberian Peninsula, contribute to the frequency of the manifestation of risks to heritage [24][25][26]. The continuous seismic activity of the Tajo de San Pedro and associated faults [27] has resulted in the structures of the Alhambra (Granada) being damaged by the effects of different historical earthquakes.…”