JPS55105016A - Constructing method of underdrain - Google Patents
Constructing method of underdrainInfo
- Publication number
- JPS55105016A JPS55105016A JP1254279A JP1254279A JPS55105016A JP S55105016 A JPS55105016 A JP S55105016A JP 1254279 A JP1254279 A JP 1254279A JP 1254279 A JP1254279 A JP 1254279A JP S55105016 A JPS55105016 A JP S55105016A
- Authority
- JP
- Japan
- Prior art keywords
- packing material
- water impervious
- drain
- 3w25mm
- ditch
- 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
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
PURPOSE: To accomplish the reuse of agricultural films used by melting thereof to form a mass of up to 3W25mm in diameter for water impervious packing material.
CONSTITUTION: A ditch 25W30cm wide and 80W100cm deep is dug into a excessively water-soaked farm field (including those previously used for a paddy field). Then, drain blocks 1 composed of a foamed polystylene or the like each having drain grooves 2, 2... formed are successively laid on the bottom thereof wrapped with a plastic net 30. Then, on both the sides and the top, the drain block 1 is packed at a thickness of 5W10cm with a water impervious packing material 10. Thereafter, soil 40 is backfilled 50W70cm into upper portion of the ditch 20 to form an underdrainage. The water impervious packing material 10 employs an irregularly-shaped mass of up to 3W25mm in diameter made up of agricultural films sliced and melted for reuse.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1254279A JPS5928694B2 (en) | 1979-02-05 | 1979-02-05 | Construction method of culvert drainage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1254279A JPS5928694B2 (en) | 1979-02-05 | 1979-02-05 | Construction method of culvert drainage |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55105016A true JPS55105016A (en) | 1980-08-12 |
JPS5928694B2 JPS5928694B2 (en) | 1984-07-14 |
Family
ID=11808214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1254279A Expired JPS5928694B2 (en) | 1979-02-05 | 1979-02-05 | Construction method of culvert drainage |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5928694B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6480790A (en) * | 1987-09-21 | 1989-03-27 | Mitsubishi Electric Corp | Two-cylinder rotary compressor |
-
1979
- 1979-02-05 JP JP1254279A patent/JPS5928694B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5928694B2 (en) | 1984-07-14 |
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