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Editorial

Editorial Bridge Structures 10 (2014) 53­54 DOI:10.3233/BRS-140079 IOS Press The Ohnaruto Bridge, one of the Honshu-Shikoku Bridges in Japan, is a three-span two-hinged stiffeningtruss suspension bridge, with multi-column foundations adopted for its towers. In the original seismic design of the Ohnaruto Bridge, an inland near-field earthquake was not considered for the design seismic force. In order to grasp the seismic performance, seismic performance verification was conducted, which concluded that the seismic capacity of the multi-column foundations was not sufficient. Steel pipes had been used as concrete formwork for the construction of the columns and they were left as protective member of the columns. In "Seismic verification and retrofitting of multi-column foundation of the Ohnaruto Bridge", Kawatoh et al. conclude that the seismic capacity could be achieved if the steel pipes were considered as structural members. Therefore corrosion protection of steel pipes has been carried out to keep the pipes in good condition and ensure they continue to serve this purpose. In "Ultimate strength and collapse process of cablestayed arch bridges", Miyachi and Nakamura propose a new type of cable-supported bridge, the cable-stayed arch bridge. This new bridge is a combination of a cable-stayed bridge and an arch bridge, and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bridge Structures IOS Press

Editorial

Mahmoud, Khaled M.
Bridge Structures , Volume 10 (2) – Jan 1, 2014
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Publisher
IOS Press
Copyright
Copyright © 2014 by IOS Press, Inc
ISSN
1573-2487
eISSN
1744-8999
DOI
10.3233/BRS-140079
Publisher site
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Abstract

Bridge Structures 10 (2014) 53­54 DOI:10.3233/BRS-140079 IOS Press The Ohnaruto Bridge, one of the Honshu-Shikoku Bridges in Japan, is a three-span two-hinged stiffeningtruss suspension bridge, with multi-column foundations adopted for its towers. In the original seismic design of the Ohnaruto Bridge, an inland near-field earthquake was not considered for the design seismic force. In order to grasp the seismic performance, seismic performance verification was conducted, which concluded that the seismic capacity of the multi-column foundations was not sufficient. Steel pipes had been used as concrete formwork for the construction of the columns and they were left as protective member of the columns. In "Seismic verification and retrofitting of multi-column foundation of the Ohnaruto Bridge", Kawatoh et al. conclude that the seismic capacity could be achieved if the steel pipes were considered as structural members. Therefore corrosion protection of steel pipes has been carried out to keep the pipes in good condition and ensure they continue to serve this purpose. In "Ultimate strength and collapse process of cablestayed arch bridges", Miyachi and Nakamura propose a new type of cable-supported bridge, the cable-stayed arch bridge. This new bridge is a combination of a cable-stayed bridge and an arch bridge, and

Journal

Bridge Structures – IOS Press

Published: Jan 1, 2014

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