ZA903678B - Construction support elements - Google Patents
Construction support elementsInfo
- Publication number
- ZA903678B ZA903678B ZA903678A ZA903678A ZA903678B ZA 903678 B ZA903678 B ZA 903678B ZA 903678 A ZA903678 A ZA 903678A ZA 903678 A ZA903678 A ZA 903678A ZA 903678 B ZA903678 B ZA 903678B
- Authority
- ZA
- South Africa
- Prior art keywords
- support elements
- construction support
- construction
- elements
- support
- Prior art date
Links
- 238000010276 construction Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Tents Or Canopies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3915837A DE3915837A1 (en) | 1989-05-16 | 1989-05-16 | Plastic-filled telescopic prod. - with plastic bands joining inner and outer steel tube |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA903678B true ZA903678B (en) | 1992-02-26 |
Family
ID=6380699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA903678A ZA903678B (en) | 1989-05-16 | 1990-05-15 | Construction support elements |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE8915931U1 (en) |
ZA (1) | ZA903678B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4115209A1 (en) * | 1991-05-10 | 1992-11-12 | Volker Merz | EXTENSION SUPPORT |
DE4124328C2 (en) * | 1991-07-23 | 1993-11-04 | Kurt Dipl Ing Plaga | EXTENSION SUPPORT |
DE4316390C1 (en) * | 1993-05-17 | 1994-04-21 | Volker Merz | Consolidation support for mine or tunnel - has hollow upper and lower support parts, upper part being pushable into lower part, and floor of upper part being formed as plate |
CN104895591A (en) * | 2015-04-29 | 2015-09-09 | 山东太极龙塑胶科技有限公司 | Resin composite metal opening frame and column shoes produced through same |
CN113187525B (en) * | 2021-05-24 | 2023-04-18 | 重庆交通职业学院 | Underground excavation construction device and method for extra-large-section subway station |
-
1989
- 1989-05-16 DE DE8915931U patent/DE8915931U1/en not_active Expired - Lifetime
- 1989-05-16 DE DE3915837A patent/DE3915837A1/en not_active Withdrawn
-
1990
- 1990-05-15 ZA ZA903678A patent/ZA903678B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE8915931U1 (en) | 1992-02-20 |
DE3915837A1 (en) | 1990-11-22 |
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