EP0062687B1 - Elément de plancher nervuré partiellement préfabriqué - Google Patents

Elément de plancher nervuré partiellement préfabriqué Download PDF

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Publication number
EP0062687B1
EP0062687B1 EP81102859A EP81102859A EP0062687B1 EP 0062687 B1 EP0062687 B1 EP 0062687B1 EP 81102859 A EP81102859 A EP 81102859A EP 81102859 A EP81102859 A EP 81102859A EP 0062687 B1 EP0062687 B1 EP 0062687B1
Authority
EP
European Patent Office
Prior art keywords
webs
grid
element according
upper surfaces
flat upper
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
Application number
EP81102859A
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German (de)
English (en)
Other versions
EP0062687A1 (fr
Inventor
Heinz Ing.Grad. Carl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT81102859T priority Critical patent/ATE8518T1/de
Priority to DE8181102859T priority patent/DE3164840D1/de
Priority to EP81102859A priority patent/EP0062687B1/fr
Publication of EP0062687A1 publication Critical patent/EP0062687A1/fr
Application granted granted Critical
Publication of EP0062687B1 publication Critical patent/EP0062687B1/fr
Expired legal-status Critical Current

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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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
    • 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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element

Definitions

  • the invention relates to a rib ceiling element according to the preamble of claim 1.
  • An element of this type is known from DE-A-1 928 656.
  • the shells In its grating consisting of longitudinal and transverse struts, the shells are anchored with their edges in such a way that they cover the grating openings or, in other words, that the longitudinal and transverse webs of the grating represent the connection between the individual shells.
  • Deep channels remain above the struts between the walls of mutually adjacent shells, which widen conically upwards, that is to say towards the bottom of the shells, since the shell walls are inclined. These channels are also filled in when the in-situ concrete layer is applied.
  • the in-situ concrete layer must be at least 3 cm thick above the shell bottoms.
  • the known elements are light and can be brought to the installation site with normal lifting equipment. However, they require supports at relatively short intervals until the in-situ concrete to be applied sets. In the manufacture of the elements, a relatively complex formwork is also required in order to evenly pour out the spaces between the shell walls in the edge region thereof, i. H. to form the grating continuously and at the same height throughout.
  • the object of the invention is to design a rib element of the type described at the outset in such a way that it can be produced economically and can be attached to the installation point.
  • the element is therefore more economical and easier to manufacture. Furthermore, its inherent stability increases significantly: the thickness of the shell walls is added to the width of the web cast in between for the strength calculation. The significantly increased inherent rigidity of the element allows support-free areas when laying, which are a multiple of the previously possible distances between supports. This enables faster and more economical laying. Furthermore, the space under the element is more accessible.
  • a height of the shells of 16 to 18 cm has proven to be advantageous.
  • the shells advantageously have a thickness of 2 cm. This means that the top of the trays can be walked on if necessary.
  • a fiber-reinforced base plate can be cast onto the grating.
  • the grating can be roughened on its underside, which makes the connection with the base plate even more intimate.
  • FIGS. 1 and 2 schematically show a partially finished rib ceiling element, designated as a whole by 1. It consists of shells 2 and a grating, designated as a whole by 3. This consists of longitudinal webs 3a and transverse webs 3b. The webs completely fill the space between the shells 2 up to their surface side.
  • shells and grating are made in one piece.
  • the thickness g of the webs on their narrowest, lower side is 15 cm.
  • FIG. 1 and 2 schematically indicate how the rib ceiling element 1 rests on a support 4 in the region of a narrow side during assembly. Furthermore, a fragment of a longitudinal reinforcement 5 is shown there, as it is arranged in the longitudinal webs 3a, which project above it. In Fig. 1, the longitudinal reinforcements 5 are indicated by dash-dotted lines.
  • Fig. 3 shows schematically the production of a Fig. 1 and 2 corresponding rib ceiling element 1, shown here in cross section.
  • Fixed formwork bodies 7, which correspond to the hollow shape of the shells 2, are arranged on a vibrating table 6. Their distance from one another corresponds to the width of the longitudinal webs 3a provided plus the wall thickness of the shells 2. The structure is delimited laterally by formwork 8.
  • Fig. 4 shows a cross section through a rib ceiling element 1 ', in which the shells 2 were individually prefabricated and connected by pouring in the manufacture of the grating 3 with this and with each other.
  • the longitudinal reinforcements 5 are shown. Additional elements laid next to it are indicated on both sides of the element 1 '.
  • a small part of an in-situ concrete layer 9 is also indicated, which is used when finishing the ceiling is applied using the rib ceiling element 1 'and receives the parts of the reinforcement 5 which protrude beyond the element.
  • FIG. 5 Another embodiment of a rib ceiling element 1 "is shown in FIG. 5 in a representation corresponding to FIG. 4.
  • the underside 10 of the grating ie the longitudinal webs 3'a and the transverse web not visible in FIG. 5, is roughened.
  • a base plate 11 made of fiber-reinforced concrete is cast on 10. It extends over the entire rib ceiling element, that is to say also over the openings of the shells 2.
  • the right part of FIG. 5 shows the joint between two adjacent rib ceiling elements 1 ′′, which have other edge regions 13 and 14 specially designed for connection.
  • the edge region 13 is designed as a step. It essentially has the shape and size of a longitudinal web 3 ′. a with the difference that it has a step-shaped support recess 15 on the upper longitudinal edge 15.
  • the edge region 14 is designed as a support edge, and its height, from the surface side 2a downwards, corresponds to the height of the step-shaped support recess alternate from shell walls ending at this height and correspondingly filled intermediate spaces in the area of the respective transverse webs between the shells
  • the step-shaped support recess 15 is so wide that a connection joint 16 to be filled with in-situ concrete remains next to its vertical wall.
  • Fig. 6 shows the use of rib roof elements 1, shown in cross section, for producing a particularly thick ceiling.
  • additional shell-shaped displacement bodies 12 with dimensions corresponding approximately to the shells 2 have been placed on them.
  • 6 shows displacers 12 to 12c of different nature and height: the displacer 12, relatively low, consists of a plastic body, the displacer 12a is a concrete shell, the displacer 12b is made "solid" of a foamed material and the displacer 12c Lightweight panels.
  • a rib ceiling element can vary. Reinforcements can also be provided in the crossbars. In the production of the ceiling with ribbed ceiling elements according to the invention, an additional, flat reinforcement is provided in the in-situ concrete, which is not shown in the figures.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Floor Finish (AREA)
  • Reinforcement Elements For Buildings (AREA)

Claims (9)

1. Élément de plafond à nervures semi-préfabriqué comportant une grille (3) préfabriquée en béton et des conquilles (2) présentant des faces supérieures essentiellement planes, et qui, quand l'élément a été mis en place, couvrent vers le haut les ouvertures de la grille, ladite grille (3) comportant des éléments d'armement qui, avant l'application d'une couche locale de béton, en particulier, armée planement couvrant les surfaces planes des coquilles (2) sur une épaisseur d'au moins 3 cm, font saillie vers le haut, l'épaisseur maximale desdits éléments étant d'environ 25 cm, caractérisé en ce que la grille (3) remplit les intervalles entre les coquilles (2) jusqu'à leur face supérieure (2a), de sorte que l'élément (1) a une surface supérieure plane.
2. Élément selon la revendication 1, caractérisé en ce que les coquilles (2) ont une hauteur (c) de 16 à 16 cm.
3. Élément selon la revendication 1 et 2, caractérisé en ce que les coquilles (2) ont des parois dont l'épaisseur (f) est d'environ 2 cm.
4. Élément selon l'une, au moins, des revendications 1 à 3, caractérisé en ce que sur la grille (3') est coulée une plaque d'aspect inférieure (11) armée de fibres.
5. Élément selon la revendication 4, caractérisé en ce que la face inférieure (10) de la grille (3') est rendue rugueuse.
6. Élément selon l'une, au moins, des revendications 1 à 5, caractérisé en ce que la grille (3') présente, au moins, deux sortes de bordures (13 et 14) destinées à buter contre un élément voisin, dont l'une (13) se présente comme un décrochement avec un épaulement (15) et l'autre (14) comme un bord d'appui destiné à venir reposer sur l'épaulement.
7. Élément selon la revendication 6, caractérisé en ce que le bord (13) formant l'épaulement présente une forme correspondant à l'intervalle tout entier plus une paroi de coquille, avec un décrochement en forme de marche (15) à son bord longitudinal supérieur, et en ce que le bord d'appui (14) est constitué par les parois des coquilles se terminant à une distance de la face supérieure (2a) de la coquille à une distance égale à la hauteur du déchrochement et d'intervalles remplis le long de la bordure.
8. Élément selon la revendication 6 ou 7, caractérisé en ce que le décrochement (15) a une largeur supérieure à la largeur du bord d'appui (14) afin de ménager entre les éléments voisins un intervalle de liaison (16) appelé à être rempli avec du béton local.
9. Plafond fabriqué avec des éléments tels que spécifiés dans l'une, au moins, des revendications 1 à 8 et d'une couche locale de béton, caractérisé en ce que pour des plafonds particulièrement épais, des éléments de refoulement auxiliaires et en forme de coquille (12, 12a, 12b, 12c) reposant sur les coquilles (2), sont coulés dans la couche (9) de béton local.
EP81102859A 1981-04-14 1981-04-14 Elément de plancher nervuré partiellement préfabriqué Expired EP0062687B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT81102859T ATE8518T1 (de) 1981-04-14 1981-04-14 Teilfertiges rippendeckenelement.
DE8181102859T DE3164840D1 (en) 1981-04-14 1981-04-14 Partly prefabricated ribbed floor element
EP81102859A EP0062687B1 (fr) 1981-04-14 1981-04-14 Elément de plancher nervuré partiellement préfabriqué

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81102859A EP0062687B1 (fr) 1981-04-14 1981-04-14 Elément de plancher nervuré partiellement préfabriqué

Publications (2)

Publication Number Publication Date
EP0062687A1 EP0062687A1 (fr) 1982-10-20
EP0062687B1 true EP0062687B1 (fr) 1984-07-18

Family

ID=8187659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81102859A Expired EP0062687B1 (fr) 1981-04-14 1981-04-14 Elément de plancher nervuré partiellement préfabriqué

Country Status (3)

Country Link
EP (1) EP0062687B1 (fr)
AT (1) ATE8518T1 (fr)
DE (1) DE3164840D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100564725C (zh) * 2003-09-26 2009-12-02 邱则有 一种空腔模壳构件

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112491C (zh) * 2001-11-23 2003-06-25 邱则有 一种钢筋砼空间结构楼板用模壳结构构件
BE1015567A3 (fr) * 2003-06-16 2005-06-07 Rebuild World Rbw Sa Element de plancher.
CN1296581C (zh) * 2003-09-26 2007-01-24 邱则有 一种空腔模壳构件
CN107476475A (zh) * 2017-09-07 2017-12-15 中国建筑第五工程局有限公司 一种基于uhpc的新型预制叠合楼板及其制造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928656A1 (de) * 1969-06-06 1970-12-17 Wolf Dipl Ing Horst Verfahren zum Herstellen einer Stahlbeton-Rippendecke und hierzu verwendbarer,vorgeifertigter Deckenkoerper

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1302064A (fr) * 1961-09-05 1962-08-24 Lely Nv C Van Der Plancher ou toit constitué par des éléments auto-portants préfabriqués
FR1585458A (fr) * 1968-08-08 1970-01-23
DE1911445A1 (de) * 1969-03-06 1970-09-17 Dennert Heinz Vorgefertigtes Bauelement fuer Betondecken und Betonwaende
DK130931C (da) * 1970-11-27 1978-02-27 Pedersen L Og Eriksson Radgive Prefabrikeret dekelement af armeret beton
DE2235647A1 (de) * 1972-07-20 1974-01-31 Werner Thoma Selbsttragendes stahlbetonfertigteil in kombinierter deckenschalen- und traegerausfuehrung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928656A1 (de) * 1969-06-06 1970-12-17 Wolf Dipl Ing Horst Verfahren zum Herstellen einer Stahlbeton-Rippendecke und hierzu verwendbarer,vorgeifertigter Deckenkoerper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100564725C (zh) * 2003-09-26 2009-12-02 邱则有 一种空腔模壳构件

Also Published As

Publication number Publication date
ATE8518T1 (de) 1984-08-15
DE3164840D1 (en) 1984-08-23
EP0062687A1 (fr) 1982-10-20

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