JPS6475793A - Method of shield outer-circumference abrasive injection construction - Google Patents
Method of shield outer-circumference abrasive injection constructionInfo
- Publication number
- JPS6475793A JPS6475793A JP23253987A JP23253987A JPS6475793A JP S6475793 A JPS6475793 A JP S6475793A JP 23253987 A JP23253987 A JP 23253987A JP 23253987 A JP23253987 A JP 23253987A JP S6475793 A JPS6475793 A JP S6475793A
- Authority
- JP
- Japan
- Prior art keywords
- friction material
- water absorbing
- guide groove
- inlet
- plate
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
PURPOSE: To reduce frictional force by supplying an anti-friction material such as solution type high water absorbing resin to an inlet for anti-friction material arranged at a shield skin plate and filling it between the skin plate and peripheral ground through an anti-friction material spreading guide groove. CONSTITUTION: An anti-friction material consisting of a solution type high water absorbing resin or a water absorbing gel of the same resin is stored into an anti-friction material tank 1 installed in a shield machine or the like, and it is supplied by means of a pump 2 to an anti-friction material inlet 6 located near the facing side of a shield skin plate 5 through a filling pipe 4 and a quantitative distributor 7. Also on the peripheral surface of a plate 5, a fan-shaped anti-friction material spreading guide groove is provided. Then, the anti-friction material is filled into the inlet 6 and turned into a gel state by absorbing water to an water absorbing resin and is supplied to a gap between the guide groove and peripheral ground 9 and is uniformly extended to the peripheral surface of a plate 5. In this way, the frictional force can be decreased.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62232539A JPH0774589B2 (en) | 1987-09-18 | 1987-09-18 | Shield outer periphery anti-friction material injection method and its shield excavator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62232539A JPH0774589B2 (en) | 1987-09-18 | 1987-09-18 | Shield outer periphery anti-friction material injection method and its shield excavator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6475793A true JPS6475793A (en) | 1989-03-22 |
JPH0774589B2 JPH0774589B2 (en) | 1995-08-09 |
Family
ID=16940913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62232539A Expired - Fee Related JPH0774589B2 (en) | 1987-09-18 | 1987-09-18 | Shield outer periphery anti-friction material injection method and its shield excavator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0774589B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007009566A (en) * | 2005-06-30 | 2007-01-18 | Ohbayashi Corp | Propulsion construction method for small soil cover section |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61190584A (en) * | 1985-02-18 | 1986-08-25 | Tachibana Shokai:Kk | Lubricant |
JPS62154092U (en) * | 1986-03-18 | 1987-09-30 |
-
1987
- 1987-09-18 JP JP62232539A patent/JPH0774589B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61190584A (en) * | 1985-02-18 | 1986-08-25 | Tachibana Shokai:Kk | Lubricant |
JPS62154092U (en) * | 1986-03-18 | 1987-09-30 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007009566A (en) * | 2005-06-30 | 2007-01-18 | Ohbayashi Corp | Propulsion construction method for small soil cover section |
Also Published As
Publication number | Publication date |
---|---|
JPH0774589B2 (en) | 1995-08-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |