JPH0211897U - - Google Patents
Info
- Publication number
- JPH0211897U JPH0211897U JP8666088U JP8666088U JPH0211897U JP H0211897 U JPH0211897 U JP H0211897U JP 8666088 U JP8666088 U JP 8666088U JP 8666088 U JP8666088 U JP 8666088U JP H0211897 U JPH0211897 U JP H0211897U
- Authority
- JP
- Japan
- Prior art keywords
- material injection
- backing
- radial
- axial directions
- blocking plug
- 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
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Description
第１図は本考案の一実施例を示すもので、セグ
メントにおける裏込材注入部の一部を破断した縦
断面図、第２Ａ図〜第２Ｄ図は本考案の止水装置
に適用されるパツキンの変形例を示す断面図、第
３図は従来の裏込材注入部の第１図と同様部分の
縦断面図である。
１……鋼製セグメント、２……グラウト注入孔
、４……パツキン（径方向と軸方向共に止水性を
有するパツキン）、７……閉塞栓。
Fig. 1 shows an embodiment of the present invention, and Figs. 2A to 2D are longitudinal sectional views in which a part of the backing material injection part in the segment is cut away. FIG. 3 is a cross-sectional view showing a modified example of the packing, and is a vertical cross-sectional view of a portion similar to that in FIG. 1 of a conventional backfilling material injection section. DESCRIPTION OF SYMBOLS 1... Steel segment, 2... Grout injection hole, 4... Packing (packing having water-stop properties in both radial and axial directions), 7... Blocking plug.
Claims (1)
向のいずれの方向にも止水性を有する単一の環状
パツキンを配設して圧接するようにしたことを特
徴とするセグメントにおける裏込材注入部の止水
装置。 A backing in a segment characterized in that a single annular packing having watertight properties in both radial and axial directions is disposed between a backing material injection hole and a blocking plug so as to be in pressure contact with each other. Water stop device for filling material injection part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086660U JPH0624478Y2 (en) | 1988-07-01 | 1988-07-01 | Water stop device for backfill material injection part in segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086660U JPH0624478Y2 (en) | 1988-07-01 | 1988-07-01 | Water stop device for backfill material injection part in segment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0211897U true JPH0211897U (en) | 1990-01-25 |
| JPH0624478Y2 JPH0624478Y2 (en) | 1994-06-29 |
Family
ID=31311297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988086660U Expired - Fee Related JPH0624478Y2 (en) | 1988-07-01 | 1988-07-01 | Water stop device for backfill material injection part in segment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624478Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010229786A (en) * | 2009-03-30 | 2010-10-14 | Kajima Corp | Tunnel segment |
| CN108868818A (en) * | 2018-08-03 | 2018-11-23 | 中国电建集团铁路建设有限公司 | A kind of shield duct piece hole for hoist sealing cover |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337244U (en) * | 1976-09-07 | 1978-04-01 | ||
| JPS6241897A (en) * | 1985-08-16 | 1987-02-23 | 有限会社 十機精工 | Opening section to which plug can be fitted |
-
1988
- 1988-07-01 JP JP1988086660U patent/JPH0624478Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337244U (en) * | 1976-09-07 | 1978-04-01 | ||
| JPS6241897A (en) * | 1985-08-16 | 1987-02-23 | 有限会社 十機精工 | Opening section to which plug can be fitted |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010229786A (en) * | 2009-03-30 | 2010-10-14 | Kajima Corp | Tunnel segment |
| CN108868818A (en) * | 2018-08-03 | 2018-11-23 | 中国电建集团铁路建设有限公司 | A kind of shield duct piece hole for hoist sealing cover |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0624478Y2 (en) | 1994-06-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |