複合構造物を活用した既設鉄道RC高架橋のリニューアル手法に関する基礎的研究

Some of existing railway RC viaducts have insufficient seismic performance, and the spaces under them are limited. To ensure the seismic performance and improve the space utilization, a renewal method by installing additional hybrid columns and removing existing columns was proposed. In this study,...

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Published in構造工学論文集 Ａ Vol. 59A; pp. 908 - 918
Main Authors 斉藤, 雅充, 谷口, 望, 西村, 昌宏, 桜井, 淳, 上村, 寿志, 依田, 照彦, 北川, 淳一
Format Journal Article
LanguageJapanese
Published 公益社団法人 土木学会 2013
Japan Society of Civil Engineers
Subjects
existing RC viaduct
hybrid structures
seismic retrofit
space creation
既設RC高架橋
空間創造
耐震補強
複合構造
Online AccessGet full text
ISSN1881-820X
DOI10.11532/structcivil.59A.908

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Abstract Some of existing railway RC viaducts have insufficient seismic performance, and the spaces under them are limited. To ensure the seismic performance and improve the space utilization, a renewal method by installing additional hybrid columns and removing existing columns was proposed. In this study, loading tests of the connection between the additional column and the existing beam were carried out in order to clarify the seismic performance and workability. As a result, it was clarified that the connection has enough seismic performance under the condition that the mortar is appropriately filled between the steel jacket and the existing beam. Appropriate mortar liquidity and filling space were also confirmed in the tests.
AbstractList Some of existing railway RC viaducts have insufficient seismic performance, and the spaces under them are limited. To ensure the seismic performance and improve the space utilization, a renewal method by installing additional hybrid columns and removing existing columns was proposed. In this study, loading tests of the connection between the additional column and the existing beam were carried out in order to clarify the seismic performance and workability. As a result, it was clarified that the connection has enough seismic performance under the condition that the mortar is appropriately filled between the steel jacket and the existing beam. Appropriate mortar liquidity and filling space were also confirmed in the tests.
Author 依田, 照彦
桜井, 淳
北川, 淳一
斉藤, 雅充
上村, 寿志
西村, 昌宏
谷口, 望
Author_FL Saito Masamichi
Nishimura Masahiro
Sakurai Jun
Kitagawa Junichi
Uemura Hisashi
Yoda Teruhiko
Taniguchi Nozomu
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  fullname: Kitagawa Junichi
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  fullname: Nishimura Masahiro
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  fullname: 斉藤, 雅充
  organization: 鉄道総合技術研究所　構造物技術研究部
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  fullname: 谷口, 望
  organization: 鉄道総合技術研究所　構造物技術研究部
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  fullname: 上村, 寿志
  organization: 鉄道総合技術研究所　構造物技術研究部
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  fullname: 北川, 淳一
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構造工学論文集　Ａ
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Snippet Some of existing railway RC viaducts have insufficient seismic performance, and the spaces under them are limited. To ensure the seismic performance and...
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StartPage 908
SubjectTerms existing RC viaduct
hybrid structures
seismic retrofit
space creation
既設RC高架橋
空間創造
耐震補強
複合構造
Title 複合構造物を活用した既設鉄道RC高架橋のリニューアル手法に関する基礎的研究
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