期刊
ENGINEERING STRUCTURES
卷 111, 期 -, 页码 64-79出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2015.12.008
关键词
Vulnerability assessment; Fragility curves; Fragility functions; Structural damage; Non-structural damage; RC buildings; Timber buildings; Monetary loss
资金
- University of Iceland
In June 2000 two M(w)6.5 earthquakes occurred in South Iceland and in May 2008 an M(w)6.3 quake struck in the same area. High PGAs (>0.6 g) were registered in all cases. The epicentres were located in an agriculture region and close to small towns and villages. Nearly 9500 residential buildings were affected. A great deal of damage occurred but there was no loss of life. Insurance against natural disasters is obligatory for all buildings in Iceland and they are all registered in a comprehensive property database. Therefore, after each quake a field survey was carried out where damage and repair costs were estimated for every structure. Most of the damage was observed in the near-fault area (0-10 km) but at longer distances it was significantly less. The damage in the two M(w)6.5 events was considerably greater than in the M(w)6.3 event. In all the events a high proportion of buildings were undamaged, even in the near-fault area. The main damage was non-structural, in interior walls and flooring. New buildings built after implementation of seismic codes performed better than those built pre-code. (C) 2015 Elsevier Ltd. All rights reserved.
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