EVALUATION OF SEISMIC PERFORMANCE OF CABLE-LAYING CONDUIT LINING FOR THE PROTECTION OF OPTICAL FIBER CABLE
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- YAMAZAKI Yasushi
- NTTインフラネット株式会社
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- TANAKA Koji
- NTTアクセスサービスシステム研究所
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- OKUTSU Masaru
- NTTアクセスサービスシステム研究所
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- WAKATAKE Masato
- NTTアクセスサービスシステム研究所
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- SUZUKI Takanobu
- 東洋大学 理工学部都市環境デザイン学科
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- SHOJI Gaku
- 筑波大学 システム情報系
Bibliographic Information
- Other Title
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- ケーブル収容管用ライニング管の地震時における光ケーブル防護機能
Abstract
The purpose of this paper is to develop a new earthquake-resistant design and a new countermeasure for telecommunication conduits against large earthquakes. The paper discusses the countermeasure, which doubles pipes by lining, through both experimental and analytical methods, considering failure mechanism of optical cables. Specifically, three next actions were assumed: when the joints of pipes collide during compression-tension cyclic loadings; when permanent ground displacement due to liquefaction, subsidence or collapse of ground occur; when the protection concrete fractures and the shearing stress act on the cables. It was found that even though the failures at the joints of pipes occur, the cable-laying conduit lining can still contain the essential function to keep space for cables and to prevent the disruption of cables.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE))
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Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE)) 73 (4), I_847-I_858, 2017
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390001205350781184
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- NII Article ID
- 130006088715
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- ISSN
- 21854653
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- HANDLE
- 2241/00159632
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed