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Earthquake Engineering emerged during the time from 1910 to 1930's, resulting with first building codes which included earthquake activities as loads. Seismic engineering need was triggered by devastating earthquakes in Northern California, and Messina – Italy. Since then, and especially during the last decades, earthquake engineering has increasingly advanced ever changing the norms and building codes. By now the preventive measures of earthquake risk mitigation have drastically evolved suggesting protection not only for new buildings, but also for the existing ones which make the majority of our surrounding built world. The article is the introduction into a larger research program seeking to close the huge gap between the newest advances in preventive earthquake engineering measures for existing buildings and a successful implementation of earthquake hazard mitigation policies. This article is a short overview of the latest international preventive earthquake norms and regulations for existing buildings, focusing on the positive examples of implementation and application of the same managing complex challenges by balancing technology, organization, design and economy. Successfully implemented earthquake mitigation practices for existing buildings developed after larger earthquakes are presented and compared focusing on the implementation type and execution plan. |
