EP2363549B1 - Treppe vom Typ Wendeltreppe mit vorgefertigter, tragender Wand aus Beton - Google Patents

Treppe vom Typ Wendeltreppe mit vorgefertigter, tragender Wand aus Beton Download PDF

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Publication number
EP2363549B1
EP2363549B1 EP20110305202 EP11305202A EP2363549B1 EP 2363549 B1 EP2363549 B1 EP 2363549B1 EP 20110305202 EP20110305202 EP 20110305202 EP 11305202 A EP11305202 A EP 11305202A EP 2363549 B1 EP2363549 B1 EP 2363549B1
Authority
EP
European Patent Office
Prior art keywords
wall
staircase
level
steps
projection
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.)
Active
Application number
EP20110305202
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English (en)
French (fr)
Other versions
EP2363549A1 (de
EP2363549B9 (de
Inventor
Denis Mourier
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.)
P B M Groupe
Original Assignee
P B M Groupe
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Filing date
Publication date
Application filed by P B M Groupe filed Critical P B M Groupe
Publication of EP2363549A1 publication Critical patent/EP2363549A1/de
Publication of EP2363549B1 publication Critical patent/EP2363549B1/de
Application granted granted Critical
Publication of EP2363549B9 publication Critical patent/EP2363549B9/de
Active legal-status Critical Current
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/022Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/0223Cantilevered stairways
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/022Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/032Spiral stairways supported by a central column
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/104Treads
    • E04F11/116Treads of stone, concrete or like material or with an upper layer of stone or stone like material, e.g. ceramics, concrete; of glass or with an upper layer of glass
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F2011/0203Miscellaneous features of stairways not otherwise provided for
    • E04F2011/0205Stairways characterised by the use of specific materials for the supporting structure of the treads
    • E04F2011/021Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
    • E04F2011/0212Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete

Definitions

  • the present invention relates to a prefabricated balanced type staircase made of concrete. It is constituted by the assembly of different prefabricated elements, and in this case the steps and the elements of a central shaft, assembled on site.
  • a prefabricated balanced concrete staircase is known from CH 674539 .
  • staircases there are known one-piece staircases balanced with load-bearing wall, whose steps radiate around said wall.
  • the heavy weight of this type of staircase typically 2,500 to 3,500 kg requires for their implementation adapted lifting means very difficult to meet, especially on individual housing projects.
  • the object of the invention is to simplify the implementation of this type of staircase in addition to its implementation.
  • the unitary elements of the central wall are not secured to the steps and can therefore be mounted simultaneously with the steps as and when the staircase , being stressed that concrete is poured into the central wall when a certain number of steps has been laid.
  • each of the steps is advantageously provided with a reinforcement to enable it to be keyed at the level of the central wall, beforehand, obviously, to the pouring of concrete within it.
  • each step has at the level of the walking plate, a recess formed on the opposite side to its convergence zone towards the central carrier wall, and a protrusion or abutment extending at the riser with which it is equipped. said recess of a step being adapted to cooperate with the extension or projection of the upper step.
  • the steps work as a console, with the central wall as an anchor. According to the invention, each of the steps is made integral with the central wall carrier by pouring concrete to resume flexion efforts of these.
  • the load-bearing wall receives at least two levels of carrying reinforcement, intended to be secured to one another by the pouring of the concrete.
  • It also comprises a succession of steps 3 converging all at the central wall 1 and coming to bear on the level thereof.
  • each unit element 2 is hollow, and is defined by a side wall 4 extending over its entire height. It should be noted in this regard that the height of each of the unit elements 2 corresponds to the height in the standardized sense of the term of the corresponding step 3 .
  • Said lateral wall 4 defining the unitary elements 2 is provided with a notch 5 , shifted by a unit element 2 with respect to the adjacent unitary element and in the upper case.
  • This notch 5 is intended to cooperate with a protrusion or upper extension 6 emanating from the step 3 with which it is intended to cooperate, said projection extending exactly the tray of the step 3 as can be observed on the figure 2 , besides a part of the riser.
  • the step 3 comes to bear at this notch via this extension 6 , said notch having a cut corresponding to the shape of the projection 6 .
  • the step has on the one hand a recess 7, at the upper part of the step itself and intended to act as a stop abutment.
  • Said step also has, at its riser projection 8 , with the exception of the first step, that is to say that intended to be positioned on the slab receiving the staircase.
  • This projection 8 is intended to cooperate with the abutment stop 7 of the lower step, and this in order to promote the stability of the assembly. It is also of complementary shape to the recess 7 to optimize this stability function and to bend the efforts of the latter.
  • each of the steps has a reinforcement 9 , emanating from its upper plane or walking plate, intended to be ligated or keyed at a wire mesh or metal bars or rods 10 , positioned at the level of the hollow area of the central shaft. This ligation is performed prior to casting the concrete within said hollow and to ensure the stability of the structure.
  • a concrete flat slab 11 is prepared, within which are made a number of reservations made by drilling 12 for the purpose of allowing the sealing of bars or metal rods 10 constituting a half-cage lower frame carrying the wall 1 .
  • the reinforcement 9 of said step is lashed or keyed at the level of the metal bars or rods 10 .
  • This joint helps to hold the elements together and helps to create the monolithism necessary for the structural holding of these elements.
  • the steps constituting the stairway are thus assembled to the end of the staircase in identical manner, the notches of the successive casing elements being offset relative to one another as and when the the progression of the stairs.
  • the concrete is poured inside the wall then formed, then after drying, the progression of the staircase is continued.

Claims (4)

  1. Vorgefertigte Treppe aus Beton der Bauart einer Kragtreppe mit tragender Wand, die durch den Zusammenbau von vorgefertigten Stufen gebildet ist, die im Bereich einer Mittelwand (1) zusammenlaufen, wobei diese Mittelwand durch das übereinander Anordnen von Hohlbetoneinheitselementen (2) gebildet ist, welche dieselbe Höhe haben wie jede der Stufen (3), dadurch gekennzeichnet, dass
    - jede vorgefertigte Stufe (3) im Bereich ihrer Zone des Zusammenlaufens in Richtung zur Mittelwand mit einem oberen Vorsprung versehen ist, der die Trittplatte und einen Teil der Setzstufe verlängert;
    - und die Mittelwand jeweils mit einer Aussparung (5) versehen ist, die in der sie bildenden Seitenwand (4) ausgebildet ist, in deren Bereich der von der entsprechenden Stufe ausgehende Vorsprung (6) in Anlage kommt, wobei die Aussparung (5) von einem Einheitselement zum darüberliegenden Einheitselement versetzt ist
  2. Vorgefertigte Treppe aus Beton der Bauart einer Kragtreppe mit tragender Wand nach Anspruch 1, dadurch gekennzeichnet, dass jede der Stufen (3) mit einer Bewehrung (9) versehen ist, um ihre Verkeilung oder Anbindung im Bereich der Mittelwand vor dem Eingießen des Betons in deren Inneres zu ermöglichen.
  3. Vorgefertigte Treppe aus Beton der Bauart einer Kragtreppe mit tragender Wand nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass jede der Stufen (3) im Bereich der Trittplatte eine Ausnehmung (7), die auf der Seite ausgebildet ist, die ihrem Konvergenzbereich in Richtung zur Mittelwand entgegengesetzt ist, und einen Vorsprung oder Anschlag (8) mit zur Ausnehmung (7) komplementärer Form aufweist, der sich im Bereich der Setzstufe erstreckt, mit dem sie versehen ist, wobei die Ausnehmung einer Stufe dazu bestimmt ist, mit der Verlängerung oder dem Vorsprung der darüberliegenden Stufe zusammenzuwirken.
  4. Vorgefertigte Treppe aus Beton der Bauart einer Kragtreppe mit tragender Wand nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Wand mindestens zwei Tragarmierungsbereiche (10) aufnimmt, die dazu bestimmt sind, aneinander befestigt zu werden und jeweils aus Metallstäben bestehen.
EP20110305202 2010-03-05 2011-02-25 Treppe vom Typ Wendeltreppe mit vorgefertigter, tragender Wand aus Beton Active EP2363549B9 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1051595A FR2957103B1 (fr) 2010-03-05 2010-03-05 Escalier de type balance a mur porteur prefabrique en beton

Publications (3)

Publication Number Publication Date
EP2363549A1 EP2363549A1 (de) 2011-09-07
EP2363549B1 true EP2363549B1 (de) 2013-07-24
EP2363549B9 EP2363549B9 (de) 2013-09-11

Family

ID=43034523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110305202 Active EP2363549B9 (de) 2010-03-05 2011-02-25 Treppe vom Typ Wendeltreppe mit vorgefertigter, tragender Wand aus Beton

Country Status (3)

Country Link
EP (1) EP2363549B9 (de)
ES (1) ES2424814T3 (de)
FR (1) FR2957103B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9347224B1 (en) 2015-01-09 2016-05-24 Umm Al-Qura University Step-block precast stair
RU170633U1 (ru) * 2015-12-30 2017-05-03 Общество с ограниченной ответственностью "МИП Электронный Депозитарий Тверского государственного университета" Лестница

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421651C2 (de) * 1984-06-09 1995-09-07 Manfred Bruer Verfahren und Anordnung zum Erstellen von Treppen bei einem Bausystem mit einen Teil der Wandbaukonstruktion bildenden Schalungs-Steckbausteinen
CH674539A5 (en) * 1988-01-04 1990-06-15 Naegeli Norm Ag Prefabricated stair step set - has supporting arm at right angles on each step designed for straight flight
AT395336B (de) * 1989-09-22 1992-11-25 Bergmeister Franz Dipl Ing Betonfertigteil fuer wendeltreppen
DE19939722C2 (de) * 1999-08-21 2003-03-27 Easy Step Gmbh Treppe mit modularem Aufbau
FR2801621B1 (fr) * 1999-11-30 2002-02-08 Holding Pbm Escalier droit prefabrique en beton

Also Published As

Publication number Publication date
EP2363549A1 (de) 2011-09-07
EP2363549B9 (de) 2013-09-11
FR2957103A1 (fr) 2011-09-09
FR2957103B1 (fr) 2012-03-30
ES2424814T3 (es) 2013-10-08

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