WO2001029344A1 - Verfahren zum betonieren einer von verbundstützen getragenen verbunddecke - Google Patents
Verfahren zum betonieren einer von verbundstützen getragenen verbunddecke Download PDFInfo
- Publication number
- WO2001029344A1 WO2001029344A1 PCT/AT2000/000272 AT0000272W WO0129344A1 WO 2001029344 A1 WO2001029344 A1 WO 2001029344A1 AT 0000272 W AT0000272 W AT 0000272W WO 0129344 A1 WO0129344 A1 WO 0129344A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composite
- ceiling
- concrete
- concreting
- floor
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
Definitions
- the invention relates to a method for concreting a composite ceiling, in particular a composite flat ceiling, carried by composite supports.
- Composite flat ceilings and composite columns represent a further development of reinforced concrete flat ceilings and conventional reinforced concrete columns.
- Composite flat ceilings represent a preferred form of a composite ceiling, in which the steel beams are integrated into the ceiling.
- the steel girders are arranged under the concrete ceiling in a manner similar to joists.
- Composite flat ceilings are usually calculated as a joint in the case of static calculations in the connection area to the supports.
- the ceiling is partially clamped into the columns, i.e. H. the composite floor is connected to the support to transmit torque.
- this partial clamping results in a momentary load in addition to the normal force load, thereby reducing the load on the slab.
- a system change is planned between the construction state and the final state.
- the object of the present invention is first to establish an "articulated " connection between the ceiling and the support for the building condition of the building, and then to achieve a partial clamping of the ceiling in the support for the usage condition, that is to say for the final condition of the building.
- the concreting process initially results in an articulated mounting of the ceiling on the support. If the supporting cladding under the composite ceiling is removed after the concrete has hardened, this leads to a change in the position of the ceiling due to the weight of the ceiling Elevation of the composite ceiling compensated, so that a horizontal flat ceiling is achieved in the final state. It is essential that the removal of the supporting cladding and the subsequent change in position of the composite ceiling does not lead to any momentary load on the composite connector. Only after installation under the dead weight is the recess poured out and thus a moment-transmitting connection of the ceiling to the support is achieved For all other load cases, this results in a frame system with partial restraint of the ceiling in the support-ceiling-node area.
- the nodes are so-called semi- ⁇ gid joints due to the fact that only the payloads When the building is in use, a momentary stress is exerted on the sockets, resulting in an optimal cross-sectional stress distribution between the composite socket and the composite ceiling. Specifically, this means thinner ceiling dimensions with simultaneously reduced nozzle diameters
- FIG. 1 shows a single composite flat ceiling composite support node of a composite flat ceiling with placeholders in a side view, the concrete being cut open in the central plane
- the composite support 1 is designed as a hollow profile made of steel.This hollow profile is concreted before the concreting process of the composite flat ceiling 2.
- Beams 5 are integrated in the composite flat ceiling 2, which are connected to the composite connector 1 by means of brackets 6.
- the brackets 6 are welded to the composite connector 1
- Compound sockets 1 are further provided with lugs 7. From the transverse flange 5a of the carrier 5, compressive forces can be transmitted via a fitting plate 8 to the lugs 7 and thus to the compound sockets 1 and introduced into them.
- only one carrier 5 is shown on the other hand, two opposite carriers or four carriers, each offset by 90 °
- placeholder 4 be arranged around the composite support 1 before concreting. Specifically, these are polystyrene elements which are placed in the connection area around the composite support 1. The placeholders 4 serve to prevent the composite support 1 from being concreted in the concrete 10
- the carrier 5 transmits in the construction state as well as in the final state after removal of the supporting formwork, not shown, the pressure force component from the ceiling moment in the composite connector 1
- the placeholder 4 in the upper half of the connection area cannot provide any corresponding counterforce resulting from the reinforcement 9 be introduced into the composite support 1
- the composite flat ceiling 2 with the integrated girders 5 can be lowered after concreting by loosening the formwork support and will deform without constraint under the net weight of the ceiling.
- the composite support 1 remains essentially torque-free in this process, since the beam 5 everything because of his articulated connection to the bracket 6 can not transmit any significant moment to the composite connector 1
- the placeholders 4 made of styrofoam are completely removed with a high-pressure water jet.
- the recess 3 thus exposed is poured seamlessly with a suitable full material. Concrete, high-strength mortar or a high-strength plastic is suitable. It must be ensured that the filling of the Exposed recess 3 is completely joint-free and non-positively. This ensures that, after the full material has hardened, moments resulting from payloads can be introduced into the connecting piece 1 and absorbed by the latter
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU77616/00A AU7761600A (en) | 1999-10-21 | 2000-10-19 | Method for concreting a composite floor which is supported by composite support structures |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT177499A AT408360B (de) | 1999-10-21 | 1999-10-21 | Verfahren zum betonieren einer von verbundstützen getragenen verbunddecke |
ATA1774/99 | 1999-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001029344A1 true WO2001029344A1 (de) | 2001-04-26 |
Family
ID=3520715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2000/000272 WO2001029344A1 (de) | 1999-10-21 | 2000-10-19 | Verfahren zum betonieren einer von verbundstützen getragenen verbunddecke |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT408360B (de) |
AU (1) | AU7761600A (de) |
WO (1) | WO2001029344A1 (de) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1559344B1 (de) * | 1965-10-19 | 1971-03-04 | Geilinger Stahlbau Ag | Stahlbeton-pilzdecke |
EP0128994A1 (de) * | 1983-10-06 | 1984-12-27 | Geilinger AG | Verfahren zur Herstellung eines Bauwerkes |
WO1987007318A1 (fr) * | 1986-05-22 | 1987-12-03 | Culica, Jacqueline | Liaison metallique rigide entre planchers-dalles leves et poteaux prefabriques en beton arme pour structures autostables parasismiques |
DE29511898U1 (de) * | 1995-07-24 | 1995-10-12 | Kombi Tragwerk Gmbh | Stützenkopf |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE921955C (de) * | 1953-01-23 | 1955-01-07 | Hubert Eishauer | Verfahren zur Herstellung von Aussparungen in Betonbauten od. dgl. |
DE1809987A1 (de) * | 1968-11-20 | 1970-06-18 | Maret Gmbh Werner | Schalungskoerper zur Erzielung von Durchbruechen fuer Dacheinlaeufe in Betonflachdaechern |
DE3116102A1 (de) * | 1981-04-23 | 1982-11-18 | Stahlbau Löw GmbH & Co KG, 7129 Güglingen | "bauwerk aus verbundstuetzen und verbundunterzuegen" |
DE3271917D1 (en) * | 1982-03-18 | 1986-08-14 | Gustav Ickes | Wall elements for repeatedly movable prefabricated buildings and device for their connection |
-
1999
- 1999-10-21 AT AT177499A patent/AT408360B/de not_active IP Right Cessation
-
2000
- 2000-10-19 WO PCT/AT2000/000272 patent/WO2001029344A1/de active Application Filing
- 2000-10-19 AU AU77616/00A patent/AU7761600A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1559344B1 (de) * | 1965-10-19 | 1971-03-04 | Geilinger Stahlbau Ag | Stahlbeton-pilzdecke |
EP0128994A1 (de) * | 1983-10-06 | 1984-12-27 | Geilinger AG | Verfahren zur Herstellung eines Bauwerkes |
WO1987007318A1 (fr) * | 1986-05-22 | 1987-12-03 | Culica, Jacqueline | Liaison metallique rigide entre planchers-dalles leves et poteaux prefabriques en beton arme pour structures autostables parasismiques |
DE29511898U1 (de) * | 1995-07-24 | 1995-10-12 | Kombi Tragwerk Gmbh | Stützenkopf |
Also Published As
Publication number | Publication date |
---|---|
AT408360B (de) | 2001-11-26 |
AU7761600A (en) | 2001-04-30 |
ATA177499A (de) | 2001-03-15 |
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