Effect of revised design earthquake ground motions considering zones factors on nonlinear response of steel bridge piers

S. Kitaichi, Kiyoshi Ono, S. Okada

研究成果: Conference contribution

抄録

In 2012, Level 2 Earthquake Ground Motions (Type I) and 'modification factor for zones (zone factor)' in the seismic design specifications for highway bridges in Japan were revised. Design earthquake ground motions should be multiplied by zone factors to evaluate the seismic performance. Regarding one of zones, Type I design earthquake ground motions are remarkably changed from the former earthquake ground motions multiplied by "0.85" to the revised ones multiplied by "1.2". The purpose of this paper is to investigate the effect of design earthquake ground motions considering zone factors on nonlinear response of steel bridge piers. The time-history dynamic analysis on the single-degree-of-freedom system was adopted in order to identify whether the bridges have enough seismic performance. Comparing obtained maximum response displacements of two kinds of earthquake ground motions (Type I and Type II), this paper came to conclusions. The results revealed that, regarding some zones, the Type I design earthquake ground motions have generally caused larger maximum response displacement than that of Type II.

元の言語English
ホスト出版物のタイトルProceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013
出版者Hokkaido University collection of Scholarly Academic Papers, HUSCAP
出版物ステータスPublished - 2013
外部発表Yes
イベント13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013 - Sapporo, Japan
継続期間: 2013 9 112013 9 13

Other

Other13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013
Japan
Sapporo
期間13/9/1113/9/13

Fingerprint

Bridge piers
Steel bridges
Earthquakes
Highway bridges
Seismic design
Dynamic analysis
Specifications

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction

これを引用

Kitaichi, S., Ono, K., & Okada, S. (2013). Effect of revised design earthquake ground motions considering zones factors on nonlinear response of steel bridge piers. : Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013 Hokkaido University collection of Scholarly Academic Papers, HUSCAP.

Effect of revised design earthquake ground motions considering zones factors on nonlinear response of steel bridge piers. / Kitaichi, S.; Ono, Kiyoshi; Okada, S.

Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013. Hokkaido University collection of Scholarly Academic Papers, HUSCAP, 2013.

研究成果: Conference contribution

Kitaichi, S, Ono, K & Okada, S 2013, Effect of revised design earthquake ground motions considering zones factors on nonlinear response of steel bridge piers. : Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013. Hokkaido University collection of Scholarly Academic Papers, HUSCAP, 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013, Sapporo, Japan, 13/9/11.
Kitaichi S, Ono K, Okada S. Effect of revised design earthquake ground motions considering zones factors on nonlinear response of steel bridge piers. : Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013. Hokkaido University collection of Scholarly Academic Papers, HUSCAP. 2013
Kitaichi, S. ; Ono, Kiyoshi ; Okada, S. / Effect of revised design earthquake ground motions considering zones factors on nonlinear response of steel bridge piers. Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013. Hokkaido University collection of Scholarly Academic Papers, HUSCAP, 2013.
@inproceedings{29a07e4aa874489e819ca6a51d024a2b,
title = "Effect of revised design earthquake ground motions considering zones factors on nonlinear response of steel bridge piers",
abstract = "In 2012, Level 2 Earthquake Ground Motions (Type I) and 'modification factor for zones (zone factor)' in the seismic design specifications for highway bridges in Japan were revised. Design earthquake ground motions should be multiplied by zone factors to evaluate the seismic performance. Regarding one of zones, Type I design earthquake ground motions are remarkably changed from the former earthquake ground motions multiplied by {"}0.85{"} to the revised ones multiplied by {"}1.2{"}. The purpose of this paper is to investigate the effect of design earthquake ground motions considering zone factors on nonlinear response of steel bridge piers. The time-history dynamic analysis on the single-degree-of-freedom system was adopted in order to identify whether the bridges have enough seismic performance. Comparing obtained maximum response displacements of two kinds of earthquake ground motions (Type I and Type II), this paper came to conclusions. The results revealed that, regarding some zones, the Type I design earthquake ground motions have generally caused larger maximum response displacement than that of Type II.",
keywords = "Nonlinear response analysis, Steel bridge piers, Type I design earthquake ground motions, Zone factors",
author = "S. Kitaichi and Kiyoshi Ono and S. Okada",
year = "2013",
language = "English",
booktitle = "Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013",
publisher = "Hokkaido University collection of Scholarly Academic Papers, HUSCAP",

}

TY - GEN

T1 - Effect of revised design earthquake ground motions considering zones factors on nonlinear response of steel bridge piers

AU - Kitaichi, S.

AU - Ono, Kiyoshi

AU - Okada, S.

PY - 2013

Y1 - 2013

N2 - In 2012, Level 2 Earthquake Ground Motions (Type I) and 'modification factor for zones (zone factor)' in the seismic design specifications for highway bridges in Japan were revised. Design earthquake ground motions should be multiplied by zone factors to evaluate the seismic performance. Regarding one of zones, Type I design earthquake ground motions are remarkably changed from the former earthquake ground motions multiplied by "0.85" to the revised ones multiplied by "1.2". The purpose of this paper is to investigate the effect of design earthquake ground motions considering zone factors on nonlinear response of steel bridge piers. The time-history dynamic analysis on the single-degree-of-freedom system was adopted in order to identify whether the bridges have enough seismic performance. Comparing obtained maximum response displacements of two kinds of earthquake ground motions (Type I and Type II), this paper came to conclusions. The results revealed that, regarding some zones, the Type I design earthquake ground motions have generally caused larger maximum response displacement than that of Type II.

AB - In 2012, Level 2 Earthquake Ground Motions (Type I) and 'modification factor for zones (zone factor)' in the seismic design specifications for highway bridges in Japan were revised. Design earthquake ground motions should be multiplied by zone factors to evaluate the seismic performance. Regarding one of zones, Type I design earthquake ground motions are remarkably changed from the former earthquake ground motions multiplied by "0.85" to the revised ones multiplied by "1.2". The purpose of this paper is to investigate the effect of design earthquake ground motions considering zone factors on nonlinear response of steel bridge piers. The time-history dynamic analysis on the single-degree-of-freedom system was adopted in order to identify whether the bridges have enough seismic performance. Comparing obtained maximum response displacements of two kinds of earthquake ground motions (Type I and Type II), this paper came to conclusions. The results revealed that, regarding some zones, the Type I design earthquake ground motions have generally caused larger maximum response displacement than that of Type II.

KW - Nonlinear response analysis

KW - Steel bridge piers

KW - Type I design earthquake ground motions

KW - Zone factors

UR - http://www.scopus.com/inward/record.url?scp=84905281336&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84905281336&partnerID=8YFLogxK

M3 - Conference contribution

BT - Proceedings of the 13th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC 2013

PB - Hokkaido University collection of Scholarly Academic Papers, HUSCAP

ER -