Reconnaissance and learning after the February 6, 2018, earthquake in Hualien, Taiwan

Lin, Jui Liang; Kuo, Chia-Wei; Chang, Yu Wen; Chao, Shu-Hsien; Li, Yi An; Shen, Wei‐Ting; Yu, Chung Han; Yang, Cho Yen; Lin, Fan; Hung, H. H.; Chen, Chun-Chung; Su, Chin Kuo; Hsu, Shang Yi; Lu, Chih Chieh; Chung, Lap-Loi; Hwang, Shyh Jiann

doi:10.1007/s10518-020-00878-0

Cited by 17 publications

(1 citation statement)

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“…2.8 vs 2.5 g in Figure 9i). Because of the large width-to-height ratio of the building and the deficient transverse reinforcement of the first story, the soft-and-weak first story eventually led to a ''sit-down'' collapse (Lin et al, 2020). For comparison purposes, the collapsed three-story mixed-use apartment had a smaller width-to-height ratio in the collapse direction, thus the collapsed mode of the mixed-use apartment was the ''knee-down'' type as shown in Figure 11.…”

Section: Three-story Monastery Building and Chun-rih Elementary Schoolmentioning

confidence: 99%

Reconnaissance of the 2022 Guanshan and Chihshang earthquakes in eastern Taiwan

Lin,

Chang,

Chou

et al. 2023

Earthquake Spectra

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Two significant earthquakes struck eastern Taiwan on consecutive days in mid-September of 2022. The first, the Guanshan earthquake, occurred on the night of September 17 (local time) with a local magnitude (ML) of 6.4, and the second, the Chihshang earthquake, occurred on the afternoon of September 18 with a mainshock of ML of 6.8. The strong motion of these two events resulted in a series of ground surface ruptures, 2 collapsed buildings, two collapsed bridges, and more than 100 partially damaged structures along the Chihshang and Yuli faults around the Longitudinal Valley in eastern Taiwan. The observed response spectra at the damage sites of the Chihshang earthquake were significantly larger than the design response spectra of the 1997 Taiwan building code. Near-fault velocity pulses with a maximum value of 132 cm/s were observed along the faults, destructively impacting the damaged structures. The details and causes of the structural damage are presented in this article according to the findings of the on-site reconnaissance and ground motion analysis. Finally, the behavior of selected structures that have a structural health monitoring system at the time of these two destructive earthquakes is also evaluated.

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Section: Three-story Monastery Building and Chun-rih Elementary Schoolmentioning

confidence: 99%