JPH02129496U - - Google Patents
Info
- Publication number
- JPH02129496U JPH02129496U JP3694689U JP3694689U JPH02129496U JP H02129496 U JPH02129496 U JP H02129496U JP 3694689 U JP3694689 U JP 3694689U JP 3694689 U JP3694689 U JP 3694689U JP H02129496 U JPH02129496 U JP H02129496U
- Authority
- JP
- Japan
- Prior art keywords
- check valve
- segment
- tunnel
- valve
- mortar
- 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
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000005429 filling process Methods 0.000 description 1
Description
第１図は逆止弁、接続管及びエンドプラグの斜
面図、第２図はモルタルを充填する状態の要部断
面図、第３図はエンドプラグを装着した状態の断
面図、第４図、第５図は従来のモルタル充填時の
断面図、第６図Ａは逆止弁と接続管が突つ張り合
つている状態の断面図、第６図Ｂは第６図Ａの状
態から接続管を緩めた状態の断面図、第７図はト
ンネルの断面図である。
３……接続管、５……逆止弁、５０……弁筐、
５１……ネジ山、５３……凸部、８……セグメン
ト。
Figure 1 is a perspective view of the check valve, connecting pipe, and end plug, Figure 2 is a sectional view of the main part in a state where it is filled with mortar, Figure 3 is a sectional view with the end plug installed, Figure 4, Figure 5 is a cross-sectional view of the conventional mortar filling process, Figure 6A is a cross-sectional view of the check valve and connecting pipe in a state where they are pressed against each other, and Figure 6B is a cross-sectional view of the connecting pipe from the state of Figure 6A. FIG. 7 is a sectional view of the tunnel in a relaxed state. 3... Connection pipe, 5... Check valve, 50... Valve housing,
51...Screw thread, 53...Protrusion, 8...Segment.
Claims (1)
に、トンネルセグメント内からモルタルを注入す
るために、該セグメントに突設された短管７に螺
合して留置される逆止弁に於て、逆止弁５は外周
面にネジ山５１を形成した筒状弁筐５０内に、セ
グメント８の外側へのみ開く弁体５２を有し、弁
筐５０の内端面に凸部５３を形成したことを特徴
とするトンネルセグメントに於けるモルタル逆止
弁。 In order to inject mortar from within the tunnel segment into the gap between the tunnel segment and the hole surface in the ground, the check valve is screwed onto a short pipe 7 protruding from the tunnel segment. The check valve 5 has a valve body 52 that opens only to the outside of the segment 8 in a cylindrical valve housing 50 having threads 51 formed on the outer peripheral surface, and a convex portion 53 formed on the inner end surface of the valve housing 50. A mortar check valve in tunnel segments characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3694689U JPH0613910Y2 (en) | 1989-03-28 | 1989-03-28 | Mortar injection check valve in tunnel segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3694689U JPH0613910Y2 (en) | 1989-03-28 | 1989-03-28 | Mortar injection check valve in tunnel segment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02129496U true JPH02129496U (en) | 1990-10-25 |
| JPH0613910Y2 JPH0613910Y2 (en) | 1994-04-13 |
Family
ID=31543625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3694689U Expired - Lifetime JPH0613910Y2 (en) | 1989-03-28 | 1989-03-28 | Mortar injection check valve in tunnel segment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0613910Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145189A (en) * | 2020-10-24 | 2020-12-29 | 中铁一局集团有限公司 | Novel duct piece grouting reinforcement method for soft soil area |
-
1989
- 1989-03-28 JP JP3694689U patent/JPH0613910Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145189A (en) * | 2020-10-24 | 2020-12-29 | 中铁一局集团有限公司 | Novel duct piece grouting reinforcement method for soft soil area |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0613910Y2 (en) | 1994-04-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |