The Damage Index Characteristics Research of Ms6.5 in Hualian County, Taiwan in 2018

DOI

10.2991/dramclr-19.2019.24How to use a DOI?

Keywords

damage Index, Hualian eartrhquake, characteristics analysis, seismic intensity

Abstract

On February 4, 2018, a Ms6.5 occurred in Hualien County in Taiwan Province. The source depth was 10 km. This earthquake killed 17 people and injured 285 people. The earthquake also caused huge property losses. Most of the casualties of the earthquake were caused by the collapse and damage of the buildings. The near field strong ground motion was the direct reason which caused the collapse of the building. The collapse of the buildings was greatly related to the amplitude and frequency of circulation of ground motion. The seismic response of system accumulated damage under cyclic load depends not only on the maximum amplitude of motion but also on the duration of motion. Many researchers suggest that the effective number of ground motion cycles is more reflective of seismic damage than the duration. The destructive ability of seismic ground motion depends on the amplitude of the movement and the number of cycles. In the geotechnical earthquake engineering, the number of motion cycles is the most important. Many researchers believe that the number of motion cycles is also an important factor in structural seismic design and damage assessment. Because the strength, stiffness and energy dissipation of the structure decreases with the increase of the load cycle, the amplitude itself is not sufficient to evaluate the seismic performance of the structure. In this paper, the spatial distribution characteristics of the damage index of Hualian earthquake is analyzed, and the correlation between the damage index and seismic intensity is analyzed.

Copyright

© 2019, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Zongchao Li
AU  - Xueliang Chen
AU  - Qing Wu
AU  - Changlong Li
PY  - 2019/11
DA  - 2019/11
TI  - The Damage Index Characteristics Research of Ms6.5 in Hualian County, Taiwan in 2018
BT  - Proceedings of the Fourth Symposium on Disaster Risk Analysis and Management in Chinese Littoral Regions (DRAMCLR 2019)
PB  - Atlantis Press
SP  - 114
EP  - 117
SN  - 1951-6851
UR  - https://doi.org/10.2991/dramclr-19.2019.24
DO  - 10.2991/dramclr-19.2019.24
ID  - Li2019/11
ER  -