FR2230854B1 - - Google Patents
Info
- Publication number
- FR2230854B1 FR2230854B1 FR7418067A FR7418067A FR2230854B1 FR 2230854 B1 FR2230854 B1 FR 2230854B1 FR 7418067 A FR7418067 A FR 7418067A FR 7418067 A FR7418067 A FR 7418067A FR 2230854 B1 FR2230854 B1 FR 2230854B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/186—Pre-stressing or dismantling devices therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
- E21D11/403—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries combined with the head machine
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Clamps And Clips (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732326686 DE2326686C2 (en) | 1973-05-25 | 1973-05-25 | Setting and tensioning unit for the construction of pit sections or tunnels made of steel profile segments with an L-shaped cross-section |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2230854A1 FR2230854A1 (en) | 1974-12-20 |
FR2230854B1 true FR2230854B1 (en) | 1982-08-20 |
Family
ID=5882134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7418067A Expired FR2230854B1 (en) | 1973-05-25 | 1974-05-24 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2326686C2 (en) |
ES (1) | ES423841A1 (en) |
FR (1) | FR2230854B1 (en) |
GB (1) | GB1449566A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2620205C3 (en) * | 1976-05-07 | 1978-09-28 | Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum | Method and device for the introduction of a ring-shaped road support as well as bolting brackets for carrying out the method |
NO781690L (en) * | 1977-05-17 | 1978-11-20 | Magyar Szenbanyaszati Troeszt | PROCEDURE AND DEVICE FOR DEVELOPMENT OF AN EFFECTIVE LINING WALL SECURING UNDER THE UNDERGROUND SYSTEMS |
FR3075859B1 (en) * | 2017-12-22 | 2020-07-17 | Soletanche Freyssinet | STRENGTHENING METHOD AND SYSTEM FOR IMPLEMENTING SAME |
CN108643942B (en) * | 2018-07-16 | 2023-11-10 | 西安科技大学 | Temporary inverted arch with adjustable hydraulic pressure |
CN109538252B (en) * | 2018-11-20 | 2023-10-27 | 四川蓝海智能装备制造有限公司 | Multifunctional arch frame trolley and erection method of multiple arch frames |
-
1973
- 1973-05-25 DE DE19732326686 patent/DE2326686C2/en not_active Expired
-
1974
- 1974-03-02 ES ES423841A patent/ES423841A1/en not_active Expired
- 1974-03-21 GB GB1272974A patent/GB1449566A/en not_active Expired
- 1974-05-24 FR FR7418067A patent/FR2230854B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2326686B1 (en) | 1974-10-17 |
GB1449566A (en) | 1976-09-15 |
DE2326686C2 (en) | 1975-05-28 |
ES423841A1 (en) | 1976-05-16 |
FR2230854A1 (en) | 1974-12-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |