JPH0449280Y2 - - Google Patents
Info
- Publication number
- JPH0449280Y2 JPH0449280Y2 JP20388686U JP20388686U JPH0449280Y2 JP H0449280 Y2 JPH0449280 Y2 JP H0449280Y2 JP 20388686 U JP20388686 U JP 20388686U JP 20388686 U JP20388686 U JP 20388686U JP H0449280 Y2 JPH0449280 Y2 JP H0449280Y2
- Authority
- JP
- Japan
- Prior art keywords
- wall
- mountain
- valley
- drainage material
- planar drainage
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010276 construction Methods 0.000 description 15
- 230000008602 contraction Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Retaining Walls (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20388686U JPH0449280Y2 (en]) | 1986-12-23 | 1986-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20388686U JPH0449280Y2 (en]) | 1986-12-23 | 1986-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63104500U JPS63104500U (en]) | 1988-07-06 |
| JPH0449280Y2 true JPH0449280Y2 (en]) | 1992-11-19 |
Family
ID=31169636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20388686U Expired JPH0449280Y2 (en]) | 1986-12-23 | 1986-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449280Y2 (en]) |
-
1986
- 1986-12-23 JP JP20388686U patent/JPH0449280Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63104500U (en]) | 1988-07-06 |
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