期刊
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING
卷 119, 期 -, 页码 499-507出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.soildyn.2017.11.024
关键词
Sustainable development goals (SDGs); Earthquake disasters; Seismic design philosophy; Damage control
Modem seismic design and construction technologies have undergone significant developments over the last 100 years. In order to prevent collapse of buildings under large earthquakes while maintaining reasonable construction costs, structures are allowed to undergo ductile plastic deformations under current design and detailing methods. This implies that large numbers of buildings may be significantly damaged and not only individual buildings but also entire cities may lose their function following extreme earthquake events. In recent large earthquakes, it has been observed that many properly designed and constructed buildings, which did not collapse, were no longer functional and were later demolished rather than being repaired. Considering such situations, the earthquake-resistant design philosophy developed in the previous century should now be revised to meet modem social and economic requirements and Sustainable Development Goals (SDGs). The seismic design philosophy for building and infrastructure should be changed from life-saving to business continuity for modem and resilient societies. Structures should be designed to be quickly restored to full operation with minimal disruption and cost following a large earthquake.
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