JPH026799U - - Google Patents
Info
- Publication number
- JPH026799U JPH026799U JP8467888U JP8467888U JPH026799U JP H026799 U JPH026799 U JP H026799U JP 8467888 U JP8467888 U JP 8467888U JP 8467888 U JP8467888 U JP 8467888U JP H026799 U JPH026799 U JP H026799U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- intermediate plate
- lining
- branch
- segments
- 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
- 238000009412 basement excavation Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図ないし第３図は、本考案による一実施例
を示す図である。第１図は筒状壁体を掘削作業の
進行方向側から見た正面図であり、第２図および
第３図は、分岐部ＲＣセグメントと中継ぎ板の接
合構造を拡大して示す図であつて、第２図は掘削
作業の進行方向側から見た図であり、第３図は第
２図に対する側面図である。第４図および第５図
は、本考案による他の実施例を示す図であり、上
記と同様の筒状壁体における分岐部ＲＣセグメン
トと中継ぎ板との接合構造を示す図である。第４
図は掘削作業の進行方向側から見た正面図であり
、第５図は側面図である。第６図ないし第８図は
、従来の一例を示す図である。第６図は筒状壁体
を掘削作業の進行方向側から見た図である。第７
図および第８図は、上記筒状壁体における分岐部
ＲＣセグメントと中継ぎ板との接合構造を示す図
であり、それぞれ掘削作業の進行方向側から見た
正面図および側面図である。
１…主壁部、２…ＲＣセグメント（セグメント
）、３，５，９…分岐部ＲＣセグメント（分岐部
セグメント）、４，６…中継ぎ板、５ａ，６ｃ，
９ａ，９ｂ，９ｃ…孔、７，１０…ボルト、８，
１１…ナツト。
1 to 3 are diagrams showing one embodiment of the present invention. FIG. 1 is a front view of the cylindrical wall viewed from the direction of progress of excavation work, and FIGS. 2 and 3 are enlarged views showing the joint structure of the branch RC segment and the intermediate plate. 2 is a view seen from the direction of progress of excavation work, and FIG. 3 is a side view of FIG. 2. FIGS. 4 and 5 are diagrams showing other embodiments of the present invention, and are diagrams showing a joining structure between a branch RC segment and a relay plate in a cylindrical wall body similar to the above. Fourth
The figure is a front view seen from the direction of progress of excavation work, and FIG. 5 is a side view. FIGS. 6 to 8 are diagrams showing an example of the conventional technology. FIG. 6 is a view of the cylindrical wall body viewed from the direction of progress of excavation work. 7th
8 and 8 are diagrams showing the joint structure of the branch RC segment and the intermediate plate in the cylindrical wall body, and are a front view and a side view, respectively, as seen from the direction of progress of the excavation work. DESCRIPTION OF SYMBOLS 1... Main wall part, 2... RC segment (segment), 3, 5, 9... Branch RC segment (branch part segment), 4, 6... Intermediate plate, 5a, 6c,
9a, 9b, 9c...hole, 7, 10...bolt, 8,
11...Natsuto.
Claims (1)
同形の円弧版状のセグメントが組み立てられて、
軸線方向に沿う開口を有する円筒状の主壁部が複
数形成され、これらが上記開口を対向して配置さ
れた状態で、上記主壁部の端部同士が分岐部セグ
メントを介して連結され、上記分岐部セグメント
の間に中継ぎ板が接合されている掘削穴の覆工用
筒状壁体において、 中継ぎ板の分岐部セグメントと接する両端部に
側方へ突出する突出部を設け、上記突出部にボル
ト挿通孔を設け、上記ボルト挿通孔により上記中
継ぎ板と上記分岐部セグメントとをボルトナツト
結合することを特徴とした掘削穴の覆工用筒状壁
体。[Claims for Utility Model Registration] A plurality of arc plate-like segments of the same shape are assembled for use in lining multiple excavation holes,
A plurality of cylindrical main walls having openings along the axial direction are formed, and with the openings facing each other, the ends of the main walls are connected to each other via branch segments, In a cylindrical wall for lining an excavation hole in which an intermediate plate is joined between the branch segments, protrusions that protrude laterally are provided at both ends of the intermediate plate that contact the branch segments, and the protrusions A cylindrical wall body for lining an excavated hole, characterized in that a bolt insertion hole is provided in the hole, and the intermediate plate and the branch segment are connected with a bolt and nut through the bolt insertion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988084678U JPH078634Y2 (en) | 1988-06-27 | 1988-06-27 | Cylindrical wall for lining drill holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988084678U JPH078634Y2 (en) | 1988-06-27 | 1988-06-27 | Cylindrical wall for lining drill holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH026799U true JPH026799U (en) | 1990-01-17 |
| JPH078634Y2 JPH078634Y2 (en) | 1995-03-01 |
Family
ID=31309359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988084678U Expired - Lifetime JPH078634Y2 (en) | 1988-06-27 | 1988-06-27 | Cylindrical wall for lining drill holes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078634Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718097U (en) * | 1980-07-01 | 1982-01-29 | ||
| JPS59165799A (en) * | 1983-03-10 | 1984-09-19 | 都築 純一 | Tunnel shielding method |
-
1988
- 1988-06-27 JP JP1988084678U patent/JPH078634Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718097U (en) * | 1980-07-01 | 1982-01-29 | ||
| JPS59165799A (en) * | 1983-03-10 | 1984-09-19 | 都築 純一 | Tunnel shielding method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078634Y2 (en) | 1995-03-01 |
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