JPH0237997U - - Google Patents
Info
- Publication number
- JPH0237997U JPH0237997U JP11504688U JP11504688U JPH0237997U JP H0237997 U JPH0237997 U JP H0237997U JP 11504688 U JP11504688 U JP 11504688U JP 11504688 U JP11504688 U JP 11504688U JP H0237997 U JPH0237997 U JP H0237997U
- Authority
- JP
- Japan
- Prior art keywords
- material injection
- backfilling material
- tip
- earth pressure
- gap
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Description
第１図は本考案の一実施例を示すシールド掘進
機の要部縦断面図、第２図は第１図の機体スキン
プレート後部の横断面図、第３図は第１図の視
部分の詳細を示す拡大縦断面図、第４図はピスト
ンの作動状態を示す同拡大縦断面図、第５図は制
御ブロツク図、第６図は従来のシールド掘進機を
示す全体の縦断面図、第７図は第６図の機体スキ
ンプレート上部の拡大縦断面図、第８図は第７図
の部分の拡大縦断面図である。
１：機体スキンプレート、４：裏込材注入管、
５：洗浄管、１１ａ，ｂ，ｃ：土圧計、１５，１
６：注入圧制御装置、Ａ：先端合流部、Ｑ：隙間
。
Fig. 1 is a vertical cross-sectional view of the main part of a shield tunneling machine showing an embodiment of the present invention, Fig. 2 is a cross-sectional view of the rear part of the skin plate of the fuselage shown in Fig. 1, and Fig. 3 is a view of the part shown in Fig. 1. FIG. 4 is an enlarged longitudinal sectional view showing the details, FIG. 4 is an enlarged longitudinal sectional view showing the operating state of the piston, FIG. 5 is a control block diagram, FIG. 7 is an enlarged vertical cross-sectional view of the upper part of the fuselage skin plate in FIG. 6, and FIG. 8 is an enlarged vertical cross-sectional view of the portion shown in FIG. 7. 1: Aircraft skin plate, 4: Backfilling material injection pipe,
5: Cleaning pipe, 11a, b, c: Earth pressure gauge, 15, 1
6: Injection pressure control device, A: Tip merging section, Q: Gap.
Claims (1)
た複数の外殻内に機内から延長された裏込材注入
管および洗浄管を内蔵して先端合流部を設け、該
各先端合流部をシールド掘進後の地山とセグメン
ト壁間の隙間に連通して裏込材を注入するシール
ド掘進機において、前記各先端合流部の近傍に前
記隙間の土圧計を設け、該各土圧計の土圧検出信
号に基づき演算して前記各裏込材注入管の裏込材
注入装置の制御信号を出力する注入圧制御装置を
設けたことを特徴とするシールド掘進機の裏込材
注入装置。 A tip convergence section is provided by incorporating a backfill material injection pipe and a cleaning tube extending from inside the machine in multiple outer shells installed along the longitudinal direction of the outer surface of the fuselage skin plate, and after shield excavation of each tip confluence section. In a shield excavator that communicates with the gap between the ground and the segment wall and injects backfilling material, an earth pressure gauge for the gap is provided near the confluence of each tip, and the earth pressure detection signal of each earth pressure gauge is A backfilling material injection device for a shield excavator, characterized in that an injection pressure control device is provided for calculating based on the calculation result and outputting a control signal for a backfilling material injection device for each of the backfilling material injection pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11504688U JPH0237997U (en) | 1988-09-02 | 1988-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11504688U JPH0237997U (en) | 1988-09-02 | 1988-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0237997U true JPH0237997U (en) | 1990-03-13 |
Family
ID=31356343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11504688U Pending JPH0237997U (en) | 1988-09-02 | 1988-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016148189A (en) * | 2015-02-12 | 2016-08-18 | 東日本旅客鉄道株式会社 | Backfilling injection mechanism in small diameter pipe propulsion device |
| JP2020012331A (en) * | 2018-07-20 | 2020-01-23 | 株式会社奥村組 | Shield machine |
-
1988
- 1988-09-02 JP JP11504688U patent/JPH0237997U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016148189A (en) * | 2015-02-12 | 2016-08-18 | 東日本旅客鉄道株式会社 | Backfilling injection mechanism in small diameter pipe propulsion device |
| JP2020012331A (en) * | 2018-07-20 | 2020-01-23 | 株式会社奥村組 | Shield machine |
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