Evaluation of constant ductility displacement response spectra for near-fault ground motions of the 1999 Chi-Chi earthquake, Taiwan

被引：0

作者：

Neeraja, Konkula Rama ^{[1
]}

Wani, Faisal Mehraj ^{[2
]}

Navyatha, Chereddy ^{[1
]}

Vemuri, Jaya Prakash ^{[2
]}

Rajaram, Chenna ^{[1
]}

机构：

[1] Rajeev Gandhi Mem Coll Engn & Technol, Dept Civil Engn, Nandyal 518501, India

[2] Mahindra Univ, Dept Civil Engn, Hyderabad 500043, India

来源：

CURRENT SCIENCE | 2024年 / 126卷 / 07期

关键词：

Constant ductility response spectra; earth-; quakes; forward and backward rupture; near-fault ground motions; seismic hazard; CLASSIFICATION; DAMAGE;

D O I：

10.18520/cs/v126/i7/837-847

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This study evaluates the constant ductility displacement response spectra (CDDRS) for near -fault ground motions (NFGMs) of the 1999 Chi -Chi earthquake in Taiwan. The complex source mechanism was mainly caused by a rupture on the Chelungpu fault that spanned about 100 km. A dataset of 63 NFGM records was considered to understand the effects of CDDRS due to hanging wall, foot wall and directivity effects. CDDRS were generated using SeismoSignal tool for the selected ground motions. Significant variation was observed in both elastic and inelastic CDDRS for tall buildings due to the hanging wall effect. In addition, variations in the inelastic spectra were found to be more prominent due to the backward directivity effect. Moreover, the inelastic displacement spectral values for pulse -like ground motions were much higher than those associated with non -pulse ground motions.

引用

页码：837 / 847

页数：11

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