JP6502004B2 - 橋梁 - Google Patents
橋梁 Download PDFInfo
- Publication number
- JP6502004B2 JP6502004B2 JP2012236673A JP2012236673A JP6502004B2 JP 6502004 B2 JP6502004 B2 JP 6502004B2 JP 2012236673 A JP2012236673 A JP 2012236673A JP 2012236673 A JP2012236673 A JP 2012236673A JP 6502004 B2 JP6502004 B2 JP 6502004B2
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- Prior art keywords
- bridge
- cross
- shape
- bridge girder
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 6
- 238000006424 Flood reaction Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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- Bridges Or Land Bridges (AREA)
Description
橋桁の、各橋脚が並ぶ方向から見た断面形状が、上面を切り欠いた楕円形又は上辺に直線部を持ち、下辺が上辺より長い多角形で構成された上下非対称であり、
越水時に上記橋桁において水流により厚さ方向に発生する揚力が下向きとなるように上記断面形状が設定されている。
上記橋桁の断面形状が、幅方向中心線に対して対称形状であり、
楕円の上側を全体の12.5%以上37.5%以下切り欠いた形状である。
上記橋桁の断面形状が、幅方向中心線に対して非対称で、洪水による一方向からの越水に対応可能に構成されている。
本発明は、上記実施形態について、以下のような構成としてもよい。
2 橋桁
3 橋脚
4 上辺
Claims (3)
- 橋桁の、幅方向の断面形状が、流体構造物である翼の設計を基盤として、上面を略水平に切り欠いた略楕円形又は上辺が略水平であり、該上辺に連続する少なくとも幅方向の一方側の側方から下方まで多角形状に折れ曲がって下側へ延びる多角形で構成された上下非対称であり、
越水時に上記橋桁において水流により厚さ方向に発生する揚力が下向きとなるように上記断面形状が設定されている
ことを特徴とする橋梁。 - 請求項1に記載の橋梁において、
上記橋桁の断面形状が、幅方向中心線に対して対称形状であり、
楕円の上側を全体の12.5%以上37.5%以下の略水平に切り欠いた形状である
ことを特徴とする橋梁。 - 請求項1に記載の橋梁において、
上記橋桁の断面形状が、幅方向中心線に対して非対称で、洪水による一方向からの越水に対して厚さ方向に発生する揚力が下向きとなるように構成されている
ことを特徴とする橋梁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012236673A JP6502004B2 (ja) | 2012-10-26 | 2012-10-26 | 橋梁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012236673A JP6502004B2 (ja) | 2012-10-26 | 2012-10-26 | 橋梁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014084689A JP2014084689A (ja) | 2014-05-12 |
JP6502004B2 true JP6502004B2 (ja) | 2019-04-17 |
Family
ID=50788032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012236673A Active JP6502004B2 (ja) | 2012-10-26 | 2012-10-26 | 橋梁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6502004B2 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0698154B1 (en) * | 1993-05-01 | 1999-07-14 | Maunsell Structural Plastics Limited | A building structure |
JP3354753B2 (ja) * | 1995-07-18 | 2002-12-09 | 三菱重工業株式会社 | 振動防止装置 |
JP5415204B2 (ja) * | 2009-09-29 | 2014-02-12 | 神鋼鋼線工業株式会社 | 橋梁の移動抑制装置および移動抑制方法 |
-
2012
- 2012-10-26 JP JP2012236673A patent/JP6502004B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2014084689A (ja) | 2014-05-12 |
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