JP5061874B2 - 鉄道橋梁の架設切り替え方法 - Google Patents
鉄道橋梁の架設切り替え方法 Download PDFInfo
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- JP5061874B2 JP5061874B2 JP2007320006A JP2007320006A JP5061874B2 JP 5061874 B2 JP5061874 B2 JP 5061874B2 JP 2007320006 A JP2007320006 A JP 2007320006A JP 2007320006 A JP2007320006 A JP 2007320006A JP 5061874 B2 JP5061874 B2 JP 5061874B2
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Description
8 既設基礎
10 既設橋桁
12 新設橋梁
14 新設橋桁
15 脚部
16A,16B 新設基礎
18 工事桁
24 橋台
26 橋桁製作用構台
Claims (1)
- 既存鉄道営業線の既設橋梁を、該既存営業線の運行に必要な空間と干渉する高さにその橋桁設置高さを架け替えて新設する鉄道橋梁の架設切り替え方法であって、
該新設橋梁の基礎構築位置上にある該既存営業線の軌道を工事桁化し、該工事桁の直下で新設基礎を構築する工程と、
該新設基礎の構築位置に隣接させてその側方に、橋桁製作用構台を該新設基礎の上端部高さに相応させて架設し、該橋桁製作用構台上で新設の橋桁を製作する工程と、
該新設基礎の構築と該新設橋桁の製作とが終了した後に、既設橋桁と工事桁とを撤去して該新設橋桁を該新設基礎の橋台上に横引きして設置する工程と、
を有し、
該新設橋桁の下面には、該新設橋桁の計画設置高さと該新設基礎の橋台上端面との高さの差を補うための脚部を予め一体形成しておく、
ことを特徴とする鉄道橋梁の架設切り替え方法。
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JP2007320006A JP5061874B2 (ja) | 2007-12-11 | 2007-12-11 | 鉄道橋梁の架設切り替え方法 |
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JP2007320006A JP5061874B2 (ja) | 2007-12-11 | 2007-12-11 | 鉄道橋梁の架設切り替え方法 |
Publications (2)
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JP2009144346A JP2009144346A (ja) | 2009-07-02 |
JP5061874B2 true JP5061874B2 (ja) | 2012-10-31 |
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JP2007320006A Expired - Fee Related JP5061874B2 (ja) | 2007-12-11 | 2007-12-11 | 鉄道橋梁の架設切り替え方法 |
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Families Citing this family (2)
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CN103938538B (zh) * | 2014-05-15 | 2016-03-23 | 中铁二院昆明勘察设计研究院有限责任公司 | 铁路桥梁疏散平台 |
CN111576231B (zh) * | 2020-05-28 | 2022-02-08 | 广西交科集团有限公司 | 软基上支架分层浇筑混凝土梁优化设计方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS50130231A (ja) * | 1974-04-01 | 1975-10-15 | ||
JP3702263B2 (ja) * | 2002-10-23 | 2005-10-05 | 三菱重工業株式会社 | 橋梁架け替え方法 |
JP4424744B2 (ja) * | 2005-01-13 | 2010-03-03 | 三井住友建設株式会社 | 橋梁架替工法 |
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