IT699999A - - Google Patents
Info
- Publication number
- IT699999A IT699999A IT699999DA IT699999A IT 699999 A IT699999 A IT 699999A IT 699999D A IT699999D A IT 699999DA IT 699999 A IT699999 A IT 699999A
- Authority
- IT
- Italy
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
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
-
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR872500A FR1299443A (fr) | 1961-09-06 | 1961-09-06 | Perfectionnements apportés aux cadres de soutènement pour couloirs d'abattage de mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT699999A true IT699999A (it) |
Family
ID=8762370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT699999D IT699999A (it) | 1961-09-06 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1299443A (it) |
| IT (1) | IT699999A (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1209085B (de) * | 1963-09-21 | 1966-01-20 | Bochumer Eisen Heintzmann | Streckenausbau mit im UEberlappungsbereich der Ausbausegmente angeordneter Vorspann-vorrichtung |
| FR3075859B1 (fr) * | 2017-12-22 | 2020-07-17 | Soletanche Freyssinet | Procede de renforcement d'ouvrage et systeme pour sa mise en oeuvre |
-
0
- IT IT699999D patent/IT699999A/it unknown
-
1961
- 1961-09-06 FR FR872500A patent/FR1299443A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1299443A (fr) | 1962-07-20 |