JP4585931B2 - 暗渠排水装置 - Google Patents
暗渠排水装置 Download PDFInfo
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- JP4585931B2 JP4585931B2 JP2005195898A JP2005195898A JP4585931B2 JP 4585931 B2 JP4585931 B2 JP 4585931B2 JP 2005195898 A JP2005195898 A JP 2005195898A JP 2005195898 A JP2005195898 A JP 2005195898A JP 4585931 B2 JP4585931 B2 JP 4585931B2
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- pipe
- drainage
- water
- drain
- water trap
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Description
Claims (5)
- 圃場の地中に埋設した通水性の暗渠排水パイプに流入した地下水を、下方に屈曲した水溜トラップを介して前記暗渠排水パイプよりも高位置に設けられた排水路に排水する暗渠排水装置において、前記水溜トラップの流入側管路及び流出側管路の少なくともいずれか一方に傾斜管路部を設け、該傾斜管路部両端の接続部の屈曲角度を90度未満としたことを特徴とする暗渠排水装置。
- 前記流出側管路の流出端を鉛直方向上方に向けて開口させ、該開口の上部に排水枡を連設し、該排水枡に前記排水路に排水する排水管路を設けるとともに、前記水溜トラップの流入側管路及び前記排水枡の排水管路の少なくともいずれか一方に前記傾斜管路部を設けたことを特徴とする請求項1記載の暗渠排水装置。
- 前記傾斜管路部の傾斜角度は、水平面に対して20〜70度であることを特徴とする請求項1又は2記載の暗渠排水装置。
- 前記水溜トラップ内に堆積した土砂を前記排水路に排出するときの前記傾斜管路部内の水の流速が毎秒0.6m以上であることを特徴とする請求項1乃至3いずれか1項記載の暗渠排水装置。
- 前記排水管路に前記傾斜管路部を設けたときに、平面視において、該排水管路の傾斜管路部を前記排水枡と前記排水路との最短距離の直線とは異なる方向に向けて設けたことを特徴とする請求項1乃至4いずれか1項記載の暗渠排水装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005195898A JP4585931B2 (ja) | 2005-07-05 | 2005-07-05 | 暗渠排水装置 |
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JP2005195898A JP4585931B2 (ja) | 2005-07-05 | 2005-07-05 | 暗渠排水装置 |
Publications (2)
Publication Number | Publication Date |
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JP2007014209A JP2007014209A (ja) | 2007-01-25 |
JP4585931B2 true JP4585931B2 (ja) | 2010-11-24 |
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JP2005195898A Active JP4585931B2 (ja) | 2005-07-05 | 2005-07-05 | 暗渠排水装置 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012095621A (ja) * | 2010-11-04 | 2012-05-24 | Paddy Research Co Ltd | 地下灌漑システム |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56170959U (ja) * | 1980-05-19 | 1981-12-17 | ||
JPH08302800A (ja) * | 1995-04-28 | 1996-11-19 | Nippon Taiiku Shisetsu Kk | 水位調整機能を持つ貯水型土壌システム |
JP2003289733A (ja) * | 2002-04-03 | 2003-10-14 | National Institute For Rural Engineering | 暗渠排水装置 |
JP2004000885A (ja) * | 2002-04-11 | 2004-01-08 | Public Works Research Institute | 地下水排除施設用集水管の目詰まり防止装置 |
JP2004065038A (ja) * | 2002-08-02 | 2004-03-04 | Padei Kenkyusho:Kk | 水位調節装置 |
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2005
- 2005-07-05 JP JP2005195898A patent/JP4585931B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56170959U (ja) * | 1980-05-19 | 1981-12-17 | ||
JPH08302800A (ja) * | 1995-04-28 | 1996-11-19 | Nippon Taiiku Shisetsu Kk | 水位調整機能を持つ貯水型土壌システム |
JP2003289733A (ja) * | 2002-04-03 | 2003-10-14 | National Institute For Rural Engineering | 暗渠排水装置 |
JP2004000885A (ja) * | 2002-04-11 | 2004-01-08 | Public Works Research Institute | 地下水排除施設用集水管の目詰まり防止装置 |
JP2004065038A (ja) * | 2002-08-02 | 2004-03-04 | Padei Kenkyusho:Kk | 水位調節装置 |
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JP2007014209A (ja) | 2007-01-25 |
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