FR2350440A1 - Prefabricated concrete sections with trough shaped cavity - have lengthwise grooves along their adjacent surfaces into which duct passes - Google Patents
Prefabricated concrete sections with trough shaped cavity - have lengthwise grooves along their adjacent surfaces into which duct passesInfo
- Publication number
- FR2350440A1 FR2350440A1 FR7613432A FR7613432A FR2350440A1 FR 2350440 A1 FR2350440 A1 FR 2350440A1 FR 7613432 A FR7613432 A FR 7613432A FR 7613432 A FR7613432 A FR 7613432A FR 2350440 A1 FR2350440 A1 FR 2350440A1
- Authority
- FR
- France
- Prior art keywords
- prefabricated concrete
- concrete sections
- shaped cavity
- adjacent surfaces
- grooves along
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/382—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a frame of concrete or other stone-like substance
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The prefabricated concrete sections (1-8) have a horizontal cross section to form a polygonal and preferably a rectangular shaped throughlike cavity. Each prefabricated section has at least two side surfaces preferably vertical and parallel to each other. At least one of the connection surfaces (12a, 13a, 2a, 2b) incorporates a lengthwise groove (18) which may have a trapezoid, rectangular oval or semi-circular cross section, and may have an undulating base. The groove (18) is accessible from the outside by a connecting duct (21) extending perpendicular to the groove (18) and either to the base (11) or to the outside surface of the side connecting wall (12 or 13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7613432A FR2350440A1 (en) | 1976-05-05 | 1976-05-05 | Prefabricated concrete sections with trough shaped cavity - have lengthwise grooves along their adjacent surfaces into which duct passes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7613432A FR2350440A1 (en) | 1976-05-05 | 1976-05-05 | Prefabricated concrete sections with trough shaped cavity - have lengthwise grooves along their adjacent surfaces into which duct passes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2350440A1 true FR2350440A1 (en) | 1977-12-02 |
FR2350440B1 FR2350440B1 (en) | 1981-04-10 |
Family
ID=9172718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7613432A Granted FR2350440A1 (en) | 1976-05-05 | 1976-05-05 | Prefabricated concrete sections with trough shaped cavity - have lengthwise grooves along their adjacent surfaces into which duct passes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2350440A1 (en) |
-
1976
- 1976-05-05 FR FR7613432A patent/FR2350440A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2350440B1 (en) | 1981-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |