SG169907A1 - Method and apparatus for installing prefabricated vertical drain - Google Patents
Method and apparatus for installing prefabricated vertical drainInfo
- Publication number
- SG169907A1 SG169907A1 SG200906148-2A SG2009061482A SG169907A1 SG 169907 A1 SG169907 A1 SG 169907A1 SG 2009061482 A SG2009061482 A SG 2009061482A SG 169907 A1 SG169907 A1 SG 169907A1
- Authority
- SG
- Singapore
- Prior art keywords
- mandrel
- drain
- soil
- leading
- prefabricated vertical
- Prior art date
Links
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A method for installing prefabricated vertical drain has steps of mounting an end of a wick drain (50) through a leading mandrel (10) and at least one connecting mandrel (20); securely attaching the end of the wick drain (50) to an anchor plate (60) covering an end of the leading mandrel (10) to prevent soil from entering the leading mandrel (10); inserting the end of the leading mandrel (10) substantially vertically into soil to leave another end of the leading mandrel (10) above soil; connecting the connecting mandrel (20) to the leading mandrel (10) to form a mandrel assembly; inserting the mandrel assembly into soil; extracting the mandrel assembly to leave a portion of the wick drain (50) in soil; and cutting the wick drain (50), whereby a prefabricated vertical drain is installed. Therefore, the method as described above is useful for installing prefabricated vertical drain in an environment with limited headroom. An apparatus for installing PV drain is also provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG200906148-2A SG169907A1 (en) | 2009-09-16 | 2009-09-16 | Method and apparatus for installing prefabricated vertical drain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG200906148-2A SG169907A1 (en) | 2009-09-16 | 2009-09-16 | Method and apparatus for installing prefabricated vertical drain |
Publications (1)
Publication Number | Publication Date |
---|---|
SG169907A1 true SG169907A1 (en) | 2011-04-29 |
Family
ID=44359581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200906148-2A SG169907A1 (en) | 2009-09-16 | 2009-09-16 | Method and apparatus for installing prefabricated vertical drain |
Country Status (1)
Country | Link |
---|---|
SG (1) | SG169907A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1323868A1 (en) * | 2001-12-20 | 2003-07-02 | Ndb B.V. | A method for inserting a drainage wick |
US20050141964A1 (en) * | 2003-12-29 | 2005-06-30 | Tomlinson Garey I. | Method and apparatus for remotely severing a prefabricated vertical drain |
US20080080932A1 (en) * | 2006-09-28 | 2008-04-03 | Freyssinet | Method and device for inserting a drainage wick |
-
2009
- 2009-09-16 SG SG200906148-2A patent/SG169907A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1323868A1 (en) * | 2001-12-20 | 2003-07-02 | Ndb B.V. | A method for inserting a drainage wick |
US20050141964A1 (en) * | 2003-12-29 | 2005-06-30 | Tomlinson Garey I. | Method and apparatus for remotely severing a prefabricated vertical drain |
US20080080932A1 (en) * | 2006-09-28 | 2008-04-03 | Freyssinet | Method and device for inserting a drainage wick |
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