JPS6458709A - Construction work of water outlet of existing concrete dam - Google Patents
Construction work of water outlet of existing concrete damInfo
- Publication number
- JPS6458709A JPS6458709A JP21551587A JP21551587A JPS6458709A JP S6458709 A JPS6458709 A JP S6458709A JP 21551587 A JP21551587 A JP 21551587A JP 21551587 A JP21551587 A JP 21551587A JP S6458709 A JPS6458709 A JP S6458709A
- Authority
- JP
- Japan
- Prior art keywords
- water
- opening
- outlet
- water outlet
- flange
- 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.)
- Granted
Links
Abstract
PURPOSE:To shorten the period of construction by a method in which a bulk head for water stopping is pressingly contacted with a dam and on the basis of the bulk head an outlet is newly constructed. CONSTITUTION:A given position on the upstream side of a dam A for which a water outlet is newly constructed is cleaned, and a shell 1 having an opening 4 with a water-stop packing 5 on its one side and a coffering flange 9 on its upside is hung down. The opening 4 is primarily contacted in a pressing manner, water in the inside is discharged, the opening 4 is secondarily contacted likewise, and a shaft 33 is connected to the flange 9. Water in the shaft 33 is discharged and the flange 9 is removed. The water outlet B is formed by excavation and provided with an outlet gate 36, and the shaft 33 and the shell 1 are removed. A gate-opening and closing device is then attached to the gate 36. Since the needs for temporarily setting water-stop sheet piles as in the conventional case can be eliminated, the construction period can be shortened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21551587A JPS6458709A (en) | 1987-08-31 | 1987-08-31 | Construction work of water outlet of existing concrete dam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21551587A JPS6458709A (en) | 1987-08-31 | 1987-08-31 | Construction work of water outlet of existing concrete dam |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6458709A true JPS6458709A (en) | 1989-03-06 |
JPH052048B2 JPH052048B2 (en) | 1993-01-11 |
Family
ID=16673690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21551587A Granted JPS6458709A (en) | 1987-08-31 | 1987-08-31 | Construction work of water outlet of existing concrete dam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6458709A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2156549A1 (en) * | 1999-04-28 | 2001-06-16 | Ciagar S A | Device for removing mud from weirs of vertical or slightly inclined walls. |
KR100691770B1 (en) * | 2006-08-16 | 2007-03-12 | 주식회사 도화종합기술공사 | Hole breaking prevention type cap for boring concrete dams |
JP2010216125A (en) * | 2009-03-16 | 2010-09-30 | Ohbayashi Corp | Method for constructing penetrating pit in existing dam body |
JP2013091969A (en) * | 2011-10-25 | 2013-05-16 | Ohbayashi Corp | Cofferdam structure of dam body |
JP2013113013A (en) * | 2011-11-29 | 2013-06-10 | Ohbayashi Corp | Dam body cofferdam structure |
JP2013124510A (en) * | 2011-12-15 | 2013-06-24 | Ohbayashi Corp | Construction method for dam body cofferdam structure |
JP5980379B1 (en) * | 2015-06-17 | 2016-08-31 | 三菱重工メカトロシステムズ株式会社 | Water stop lid construction method |
JP2017142170A (en) * | 2016-02-10 | 2017-08-17 | 三菱重工業株式会社 | Working space formation device of used fuel pit and working space formation method of used fuel pit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5137988B2 (en) * | 2010-03-04 | 2013-02-06 | アイシン精機株式会社 | Seat sensor for vehicle seat and its mounting structure |
-
1987
- 1987-08-31 JP JP21551587A patent/JPS6458709A/en active Granted
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2156549A1 (en) * | 1999-04-28 | 2001-06-16 | Ciagar S A | Device for removing mud from weirs of vertical or slightly inclined walls. |
KR100691770B1 (en) * | 2006-08-16 | 2007-03-12 | 주식회사 도화종합기술공사 | Hole breaking prevention type cap for boring concrete dams |
JP2010216125A (en) * | 2009-03-16 | 2010-09-30 | Ohbayashi Corp | Method for constructing penetrating pit in existing dam body |
JP2013091969A (en) * | 2011-10-25 | 2013-05-16 | Ohbayashi Corp | Cofferdam structure of dam body |
JP2013113013A (en) * | 2011-11-29 | 2013-06-10 | Ohbayashi Corp | Dam body cofferdam structure |
JP2013124510A (en) * | 2011-12-15 | 2013-06-24 | Ohbayashi Corp | Construction method for dam body cofferdam structure |
JP5980379B1 (en) * | 2015-06-17 | 2016-08-31 | 三菱重工メカトロシステムズ株式会社 | Water stop lid construction method |
JP2017142170A (en) * | 2016-02-10 | 2017-08-17 | 三菱重工業株式会社 | Working space formation device of used fuel pit and working space formation method of used fuel pit |
Also Published As
Publication number | Publication date |
---|---|
JPH052048B2 (en) | 1993-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080111 Year of fee payment: 15 |