JPH0365799U - - Google Patents
Info
- Publication number
- JPH0365799U JPH0365799U JP12658089U JP12658089U JPH0365799U JP H0365799 U JPH0365799 U JP H0365799U JP 12658089 U JP12658089 U JP 12658089U JP 12658089 U JP12658089 U JP 12658089U JP H0365799 U JPH0365799 U JP H0365799U
- Authority
- JP
- Japan
- Prior art keywords
- water
- impermeable thermoplastic
- width
- tunnel construction
- prevention sheet
- 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.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims 3
- 239000004416 thermosoftening plastic Substances 0.000 claims 3
- 238000010276 construction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Description
第１図は本考案のクラツク防止シートの部分概
略図であり、第２図はその断面図、第３図はその
接合取付け断面図である。
FIG. 1 is a partial schematic diagram of the crack prevention sheet of the present invention, FIG. 2 is a sectional view thereof, and FIG. 3 is a sectional view of the joint and installation thereof.
Claims (1)
両端耳部に一定巾で遊離している不透水性熱可塑
性フイルムを接合すると共に中央部の少なくとも
１個所にも一定巾で遊離している不透水性熱可塑
性フイルムを接合してなるトンネル工事用クラツ
ク防止シート。 ２ 表面に巾方向に一定間隔にて巾方向にライン
を有する請求項１記載のトンネル工事用クラツク
防止シート。[Claims for Utility Model Registration] 1. A water-impermeable thermoplastic film is joined to both end edges of a band-shaped body made of a water-impermeable thermoplastic film, with a certain width of loose parts, and also at least one part of the central part. A crack prevention sheet for tunnel construction made by bonding water-impermeable thermoplastic films that are loose at the width. 2. The crack prevention sheet for tunnel construction according to claim 1, wherein the surface has lines in the width direction at regular intervals in the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12658089U JPH0365799U (en) | 1989-10-31 | 1989-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12658089U JPH0365799U (en) | 1989-10-31 | 1989-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365799U true JPH0365799U (en) | 1991-06-26 |
Family
ID=31674385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12658089U Pending JPH0365799U (en) | 1989-10-31 | 1989-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365799U (en) |
-
1989
- 1989-10-31 JP JP12658089U patent/JPH0365799U/ja active Pending