JPH0373353U - - Google Patents
Info
- Publication number
- JPH0373353U JPH0373353U JP13593089U JP13593089U JPH0373353U JP H0373353 U JPH0373353 U JP H0373353U JP 13593089 U JP13593089 U JP 13593089U JP 13593089 U JP13593089 U JP 13593089U JP H0373353 U JPH0373353 U JP H0373353U
- Authority
- JP
- Japan
- Prior art keywords
- support frame
- arch
- tunnel
- airbags
- large number
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
第1図はこの考案の実施例の要部断面図、第2
図は実施例の使用状態を示す要部断面図、第3図
及び第4図は従来例を示す要部断面図である。
Figure 1 is a sectional view of the main part of an embodiment of this invention, Figure 2
The figure is a sectional view of the main part showing the usage state of the embodiment, and FIGS. 3 and 4 are sectional views of the main part showing the conventional example.
Claims (1)
方向長さを有するエアバツグを多数配置し、該多
数のエアバツグの包絡外周面に沿つて被覆シート
を設けてなるトンネル覆工用支持枠において、該
被覆シートの、前記アーチ状支持枠基部側におけ
る端部に牽引索が取りつけられ、前記アーチ状支
持枠基部には、ガイドプーリを介し、前記牽引索
の引込み装置を設けてなることを特徴とするトン
ネル覆工用支持枠。 A tunnel lining support frame in which a large number of airbags having a length in the tunnel axial direction are arranged along the outer surface of the support frame forming an arch shape, and a covering sheet is provided along the envelope outer peripheral surface of the large number of airbags. A tunnel characterized in that a traction cable is attached to an end of the sheet on the base side of the arch-shaped support frame, and a retraction device for the traction cable is provided at the base of the arch-shaped support frame via a guide pulley. Support frame for lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13593089U JPH0373353U (en) | 1989-11-21 | 1989-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13593089U JPH0373353U (en) | 1989-11-21 | 1989-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0373353U true JPH0373353U (en) | 1991-07-24 |
Family
ID=31683166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13593089U Pending JPH0373353U (en) | 1989-11-21 | 1989-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0373353U (en) |
-
1989
- 1989-11-21 JP JP13593089U patent/JPH0373353U/ja active Pending