JP4195708B2 - 防護柵用支柱 - Google Patents
防護柵用支柱 Download PDFInfo
- Publication number
- JP4195708B2 JP4195708B2 JP2006099003A JP2006099003A JP4195708B2 JP 4195708 B2 JP4195708 B2 JP 4195708B2 JP 2006099003 A JP2006099003 A JP 2006099003A JP 2006099003 A JP2006099003 A JP 2006099003A JP 4195708 B2 JP4195708 B2 JP 4195708B2
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- Japan
- Prior art keywords
- flange
- rear flange
- front flange
- support
- main body
- 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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Description
防護柵用支柱2を構成する各要素(台座21、支柱本体22および補強リブ23)の材質は、SS400である。支柱本体22の高さは750mmであり、前面フランジ22aの下端における幅寸法は140mm、上端における幅寸法は93mm、肉厚は9mmである。また、後面フランジ22bの幅寸法は38mm、肉厚は9mmであり、ウェブ22cの肉厚は6mmである。また、補強リブ23の肉厚は12mmである。
2 防護柵用支柱
21 台座
22 支柱本体
22a 前面フランジ
22b 後面フランジ
22c ウェブ
23 補強リブ
a,b 図心軸
Claims (3)
- 車道脇に構築された基礎に固定される台座と、
当該台座に立設された支柱本体とを有する防護柵用支柱であって、
前記支柱本体は、前記車道に面する前面フランジと、前記前面フランジの後方に配置された後面フランジと、前記前面フランジと前記後面フランジとを繋ぐウェブとを備えており、前記後面フランジに前記支柱本体を局部座屈させるための湾曲凹部を形成せず、
かつ前記前面フランジに直角な図心軸回りにおける前記後面フランジ単体の断面二次モーメントを、前記前面フランジに平行な図心軸回りにおける前記支柱本体の断面二次モーメントの0.05%〜5%の範囲にすると共に、
前記後面フランジの横倒れ座屈強度を前記ウェブの局部座屈による座屈強度よりも小さくすることにより、前記前面フランジに前記車道側から衝突荷重が作用したときに、前記後面フランジに横倒れ座屈が発生するようにしたことを特徴とする防護柵用支柱。 - 前記後面フランジが、前記前面フランジよりも幅狭に形成されていることを特徴とする請求項1に記載の防護柵用支柱。
- 前記後面フランジの後面と前記台座の上面とを繋ぐ補強リブをさらに備えることを特徴とする請求項1または請求項2に記載の防護柵用支柱。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006099003A JP4195708B2 (ja) | 2006-03-31 | 2006-03-31 | 防護柵用支柱 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006099003A JP4195708B2 (ja) | 2006-03-31 | 2006-03-31 | 防護柵用支柱 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007270556A JP2007270556A (ja) | 2007-10-18 |
JP4195708B2 true JP4195708B2 (ja) | 2008-12-10 |
Family
ID=38673640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006099003A Active JP4195708B2 (ja) | 2006-03-31 | 2006-03-31 | 防護柵用支柱 |
Country Status (1)
Country | Link |
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JP (1) | JP4195708B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5149638B2 (ja) * | 2008-02-05 | 2013-02-20 | 積水樹脂株式会社 | 道路用支柱 |
JP5107800B2 (ja) * | 2008-06-13 | 2012-12-26 | 株式会社興和工業所 | 防護柵支柱 |
JP5302028B2 (ja) * | 2009-02-04 | 2013-10-02 | 積水樹脂株式会社 | 防護柵 |
KR101161669B1 (ko) | 2010-03-11 | 2012-07-03 | 주식회사 알엠앤에코 | 디자인 휀스 |
JP5727260B2 (ja) * | 2011-02-28 | 2015-06-03 | 昭和鉄工株式会社 | 防護柵支柱 |
JP5973796B2 (ja) * | 2012-06-12 | 2016-08-23 | 株式会社ダイクレ | 床版拡幅用ユニット |
-
2006
- 2006-03-31 JP JP2006099003A patent/JP4195708B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2007270556A (ja) | 2007-10-18 |
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