GB1370473A - Precast concrete duct-girder suitable for use in industrial halls and manufacturing procedure - Google Patents
Precast concrete duct-girder suitable for use in industrial halls and manufacturing procedureInfo
- Publication number
- GB1370473A GB1370473A GB5160371A GB5160371A GB1370473A GB 1370473 A GB1370473 A GB 1370473A GB 5160371 A GB5160371 A GB 5160371A GB 5160371 A GB5160371 A GB 5160371A GB 1370473 A GB1370473 A GB 1370473A
- Authority
- GB
- United Kingdom
- Prior art keywords
- panels
- openings
- reinforcement
- girder
- precast concrete
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
- E04C3/26—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Rod-Shaped Construction Members (AREA)
- Duct Arrangements (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
1370473 Ventilating buildings INSTITUTUL DE PROIECTARI AL INDUSTRIEI USOARE 5 Nov 1971 [14 Dec 1970] 51603/71 Heading F4V [Also in Division E1] An energized concrete girder has post tensioned steel reinforcement, e.g. in bores 10 and is adapted to act as ducting for ventilating air. The girder comprises U-section caisson panels 1 provided in their bases with slots 2, and/or round, square or rectangular openings 4 which allow for discharge of air and in which fans may be mounted. In addition further openings 11 are provided on a face formed by the adjacent channel sides of the opposed panels which openings may be formed by a rectangular or circular frame in which an adjustable ventilation grille may be fitted. Apertures 3 may also be provided in the panels 1 in which secondary beams are supported. The caisson panels have projecting reinforcement 8 extending from the edge of their side walls which is overlapped with that of an opposite panel. The joints a between opposite panels 1 and b between adjacent pairs of panels are then concreted and the reinforcement tensioned.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO6530370 | 1970-12-14 | ||
| RO6530270 | 1970-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1370473A true GB1370473A (en) | 1974-10-16 |
Family
ID=26653505
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5160371A Expired GB1370473A (en) | 1970-12-14 | 1971-11-05 | Precast concrete duct-girder suitable for use in industrial halls and manufacturing procedure |
| GB1844874A Expired GB1371026A (en) | 1970-12-14 | 1971-11-05 | Precast concrete duct girder suitable for use in industrial halls and manufacturing procedure |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1844874A Expired GB1371026A (en) | 1970-12-14 | 1971-11-05 | Precast concrete duct girder suitable for use in industrial halls and manufacturing procedure |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2117888B1 (en) |
| GB (2) | GB1370473A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980000858A1 (en) * | 1978-10-25 | 1980-05-01 | Aeromator Trading Co Ab | Method and arrangement for air condition control in buildings |
| GB2235281A (en) * | 1989-02-11 | 1991-02-27 | Atlas Conservatories Limited | Ventilating glass-walled structures |
| WO2000040821A1 (en) * | 1998-12-31 | 2000-07-13 | Pluggit International N.V. | Load carrying building element for a building of wood and prepared for distribution of venting air and a method to in connection to said element arrange for a heat transfer |
-
1971
- 1971-11-05 GB GB5160371A patent/GB1370473A/en not_active Expired
- 1971-11-05 GB GB1844874A patent/GB1371026A/en not_active Expired
- 1971-12-01 FR FR7143104A patent/FR2117888B1/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980000858A1 (en) * | 1978-10-25 | 1980-05-01 | Aeromator Trading Co Ab | Method and arrangement for air condition control in buildings |
| GB2235281A (en) * | 1989-02-11 | 1991-02-27 | Atlas Conservatories Limited | Ventilating glass-walled structures |
| GB2235281B (en) * | 1989-02-11 | 1992-12-09 | Atlas Conservatories Limited | Improvements relating to roof beams |
| WO2000040821A1 (en) * | 1998-12-31 | 2000-07-13 | Pluggit International N.V. | Load carrying building element for a building of wood and prepared for distribution of venting air and a method to in connection to said element arrange for a heat transfer |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1371026A (en) | 1974-10-23 |
| FR2117888A1 (en) | 1972-07-28 |
| DE2155147B2 (en) | 1977-01-20 |
| FR2117888B1 (en) | 1976-06-04 |
| DE2155147A1 (en) | 1972-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |