JPH0289097U - - Google Patents
Info
- Publication number
- JPH0289097U JPH0289097U JP16634488U JP16634488U JPH0289097U JP H0289097 U JPH0289097 U JP H0289097U JP 16634488 U JP16634488 U JP 16634488U JP 16634488 U JP16634488 U JP 16634488U JP H0289097 U JPH0289097 U JP H0289097U
- Authority
- JP
- Japan
- Prior art keywords
- axial direction
- concrete segment
- formwork
- back surface
- piece
- 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
- 238000009415 formwork Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 2
Description
図面は本考案の一実施例を示し、第1図は本考
案にかかるコンクリートセグメントの斜視図、第
2図は同セグメントの側面図、第3図は同端面図
、第4図は上記セグメントを用いてトンネル掘削
を行なう施工途中の縦断面図、第5図は同横断面
図、第6図はセグメントの周方向の連結構造を説
明する断面図、第7図は同底面図である。
S……コンクリートセグメント、1……起立壁
、2……リブ、3……凹部、4……主鉄筋、5…
…孔、6……連結用鉄筋、8……ボルト、9……
孔、11……開口、20……シールド機。
The drawings show one embodiment of the present invention, and FIG. 1 is a perspective view of a concrete segment according to the present invention, FIG. FIG. 5 is a cross-sectional view of the same, FIG. 6 is a cross-sectional view illustrating the connecting structure of the segments in the circumferential direction, and FIG. 7 is a bottom view of the same. S... Concrete segment, 1... Standing wall, 2... Rib, 3... Recess, 4... Main reinforcing bar, 5...
...Hole, 6...Connection reinforcing bar, 8...Bolt, 9...
Hole, 11...opening, 20...shield machine.
Claims (1)
方向に連結されて環状をなし、かつこの環状に連
結されて成るものが軸方向にも連結されて、トン
ネル覆工用型枠として利用されるコンクリートセ
グメントであつて、背面に、軸方向に延在するリ
ブが、所定間隔置きに複数形成されていることを
特徴とするコンクリートセグメント。 Each piece is formed into an arcuate plate shape, which are connected to each other in the circumferential direction to form an annular shape, and these annularly connected pieces are also connected in the axial direction and used as formwork for tunnel lining. 1. A concrete segment characterized in that a plurality of ribs extending in the axial direction are formed at predetermined intervals on the back surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988166344U JPH0724479Y2 (en) | 1988-12-23 | 1988-12-23 | Concrete segment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988166344U JPH0724479Y2 (en) | 1988-12-23 | 1988-12-23 | Concrete segment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0289097U true JPH0289097U (en) | 1990-07-13 |
JPH0724479Y2 JPH0724479Y2 (en) | 1995-06-05 |
Family
ID=31453641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988166344U Expired - Lifetime JPH0724479Y2 (en) | 1988-12-23 | 1988-12-23 | Concrete segment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0724479Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07197792A (en) * | 1993-12-29 | 1995-08-01 | Tekken Constr Co Ltd | Tunnel lining structure, lining device and construction method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6171694U (en) * | 1984-10-15 | 1986-05-15 |
-
1988
- 1988-12-23 JP JP1988166344U patent/JPH0724479Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6171694U (en) * | 1984-10-15 | 1986-05-15 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07197792A (en) * | 1993-12-29 | 1995-08-01 | Tekken Constr Co Ltd | Tunnel lining structure, lining device and construction method |
Also Published As
Publication number | Publication date |
---|---|
JPH0724479Y2 (en) | 1995-06-05 |