EP0148363B1 - Procédé pour la fabrication d'un escalier de bâtiment ou bien d'un élément d'escalier, coffrage pour réaliser ce procédé - Google Patents

Procédé pour la fabrication d'un escalier de bâtiment ou bien d'un élément d'escalier, coffrage pour réaliser ce procédé Download PDF

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Publication number
EP0148363B1
EP0148363B1 EP84113463A EP84113463A EP0148363B1 EP 0148363 B1 EP0148363 B1 EP 0148363B1 EP 84113463 A EP84113463 A EP 84113463A EP 84113463 A EP84113463 A EP 84113463A EP 0148363 B1 EP0148363 B1 EP 0148363B1
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EP
European Patent Office
Prior art keywords
mould
formwork
stairs
flight
wall
Prior art date
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Expired
Application number
EP84113463A
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German (de)
English (en)
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EP0148363A1 (fr
Inventor
Benno Domesle
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Individual
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Individual
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Publication date
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Priority to AT84113463T priority Critical patent/ATE33280T1/de
Publication of EP0148363A1 publication Critical patent/EP0148363A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
    • B28B7/225—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units for making stairs or stair units comprising more than one step
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
    • E04G13/062—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
    • E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
    • E04F2011/021—Stairways 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
    • E04F2011/0212—Stairways 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
    • E04F2011/0214—Stairways 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 cast in situ

Definitions

  • the invention initially relates to a method for producing a staircase element with at least one U-shaped or arched staircase made of concrete and with an outer boundary wall of the staircase element that at least partially surrounds the outer circumference of the staircase and extends in the direction of the stairs, the ( Boundary wall) is also made of concrete, extends from the lower edge to the upper edge of the stairwell element and forms a self-supporting unit with the U or arch staircase. Furthermore, the invention relates to a formwork for producing a staircase element.
  • U-shaped or arched stairs are to be understood in the sense of the invention, in particular, pedestal stairs and spiral stairs of the most varied design, the outer boundary wall at least partially surrounding the stairs also being able to be designed differently according to the outer circumference of the stairs.
  • this outer boundary wall is composed of a plurality of wall sections running perpendicular to one another, or is also partially curved in the case of an at least partially curved outer circumference.
  • a stair element In order to simplify the manufacture of stairs, a stair element has already been proposed (AU-B-25 458/77), which also consists of a U-shaped or pedestal staircase made of concrete as well as an outer boundary wall surrounding the stairs and running in the direction of the stairs Concrete is made, which however only forms a handrail surrounding the stairs.
  • a staircase element (FR-A-13 45 774) is also known, in which the outer boundary wall extends from the lower edge to the upper edge of the staircase element and forms a self-supporting staircase element together with the staircase, so that the stacking of several such staircase elements creates a multi-storey staircase is possible.
  • a formwork for producing a stair element (GB-A-1 1 221 973), which consists of two stair sections forming a platform stair, a stair landing connecting these stair sections and a vertical wall arranged between the stair sections.
  • this known formwork has a plurality of molding spaces, each delimited by formwork surfaces, namely a first molding space for the top, which is open at the top and delimited at the bottom by a plate-shaped formwork part and on the circumference by a formwork wall Wall, two second molding spaces for the stair sections, one of which is provided below and the other above the first molding space, and a further molding space for the landing that extends above and below the first molding space.
  • the invention has for its object to provide a method with which it is possible to produce a stairwell element of the type mentioned particularly efficiently.
  • the method is designed in accordance with the invention in such a way that the staircase is manufactured together with the boundary wall in one casting in a single formwork.
  • a self-supporting staircase element is produced in a single operation, which can also serve, in particular, by stacking several such elements to create a multi-storey staircase, which makes a decisive contribution to rationalization.
  • the object of the invention is also to show a formwork which is particularly advantageously suitable for producing a staircase element which consists of a multitude of steps U-shaped or arched staircase made of concrete and of a staircase at least partially enclosing the outer circumference of the staircase in the slope direction of the stairs running outer boundary wall, which is also made of concrete and extends from the lower edge to the upper edge of the stairwell element.
  • This formwork is designed according to claim 2.
  • the formwork according to the invention is formed from prefabricated, partially detachable parts which are connected to one another and can be reused practically indefinitely, so that it enables particularly efficient production of staircase elements in one casting.
  • a staircase element 1 is shown, which can be used as a prefabricated concrete part in the form shown as a building staircase for connecting two building levels, or which can be combined by stacking several similar staircase elements to form a staircase for a multi-storey building.
  • the staircase element 1 consists of a total of three concrete walls 2, 3 and 4, which are integrally connected to one another and abut one another vertically, and which after the installation or installation of the staircase element 1 in a building with their vertical direction running and with the vertically extending corners between the concrete walls 2-4 form a U-shaped circumferential or boundary warid for the staircase.
  • Each concrete wall 2-4 has a lower edge 2 ', 3' or 4 'and an upper edge 2 ", 3" or 4 ", the stair construction element 1 having the lower edges 2', 3 'and 4 in the installed state "stands on a foundation, while further walls or ceilings of the building can be connected to the upper edges.
  • staircase element 1 is used in the above-mentioned manner together with several similar staircase elements to create a staircase for a multi-storey building, there are two staircase elements in each case 1 such that the upper staircase element 1 with the lower edges 2 ', 3' and 4 'stands on the upper edges 2 ", 3" and 4 "of the lower staircase element 1, so that the concrete walls 2, 3 and Continue 4 of the lower staircase element in the corresponding concrete walls of the upper staircase element.
  • two or more staircase elements 1 arranged one above the other are produced in one piece with one another at least in the area of their concrete walls 2, 3 and 4.
  • a staircase 5 is arranged, which in the embodiment shown in FIGS. 1-3 has the shape of a single-flight, half-turn staircase.
  • the staircase 5 is made in one piece with the concrete walls 2, 3 and 4, preferably in such a way that the staircase together with the concrete walls 2, 3 and 4 is cast in one piece or in one work step from concrete, i.e. the stairs 5 merges seamlessly into the concrete walls 2, 3 and 4 at their outer edge 5 '.
  • the staircase 5 has a helically shaped lower surface or underside 6 and an upper side, which has a plurality of stair steps 7, each with a surface 8 forming the stair surface, essentially perpendicular to the concrete walls 2, 3 and 4, and a surface running perpendicular to it. surface determining the stair height 9.
  • the stairs 5 rise in the direction of arrow D from bottom to top, i.e. the step 7A in FIG. 1 corresponds to the lowest level of the stairs 5 or the beginning of the stairs and the step 7E corresponds to the top level or the end of the stairs 5.
  • a so-called stairway eye 10 is provided, ie a space free of concrete material.
  • this stairway eye 10 it is also possible for this stairway eye 10 to be wholly or partially occupied by a columnar or wall-shaped element. which extends in the vertical direction when the staircase element 1 is set up or installed and also delimits the inside of the staircase 5 ′′.
  • This column-like or wall-like element is then preferably also made in one piece with the staircase 5.
  • the formwork 11 shown in FIGS. 4-10 is used to produce the staircase element shown in FIGS. 1-3 in a single casting.
  • This formwork consists of a lower support frame 12, which in the embodiment shown has four to a rectangular frame welded double-T beams 13 and 14 is formed, the relatively wide legs 15 having beams 13 and 14 are arranged so that they form with their lower legs 15 each standing on a horizontal footprint underside of the support frame 12, while the upper leg 15 of the beams 13 and 14 with its upper side form a frame-like horizontal surface which partly serves as a surface for the lower edges 2 ', 3' and 4 'of the concrete walls 2, 3 and 4.
  • the formwork 11 also consists of an outer formwork for the outer surface of the concrete walls 2, 3 and 4, this outer formwork being composed of three formwork walls 16, 17 and 18 which are perpendicular to one another with their surfaces and perpendicular to the surface formed by the support frame 12 .
  • Each formwork wall 16, 17 and 18 stands with its lower edge on a leg 15 of the beams 13 and 14, in the area of the outer longitudinal edge of the support frame 12, and in the embodiment shown is also parallel to one another in the area of the lower edge horizontal axis extending to the respective formwork wall plane is pivotably articulated on the supporting frame 12, so that each formwork wall 16, 17 and 18 can be pivoted to the side or into an inclined position or horizontal position according to the arrows E from the vertical position shown in the figures.
  • a plurality of support arms 19 are fastened to the outside of each formwork wall 16, 17 and 18, which extend below the lower edge of the respective formwork wall and are articulated at the end there to a bearing arm 20 projecting outwards from the support arm 12.
  • the formwork walls 16, 17 and 18 are held in their vertical position by spindles or struts 21.
  • the formwork walls 16, 17 and 18 are still tightly connected to each other at their vertical joints by removable or detachable angle pieces 22.
  • the formwork walls 16, 17 and 18 form a U-shaped structure in accordance with the course of the concrete walls 2, 3 and 4, the opposite legs of which are determined by the formwork walls 16 and 18 and the yoke piece by the formwork wall 17.
  • the outer formwork also has a rectangular, vertical frame 23 which is formed by four strips or beams and adjoins the formwork walls 16 and 18 on its vertical side edge facing away from the formwork wall 17.
  • the vertical strips 24 of the frame 23 form formwork surfaces perpendicular to the formwork walls 16 and 18 for the front end edges 2 "'and 4"' of the concrete walls 2 and 4.
  • the horizontal strips 25 formwork surfaces for the surface 9 of the first step 7 at the beginning of the stairs 7A or for the rear surface 9 "of the last step 7 at the end of the stairs 7E.
  • the frame 23 is held detachably on the support frame 12 and connected to the formwork walls 16 and 18 by detachable angle pieces 26.
  • the formwork 11 also consists of an inner formwork, which is basically composed of the first or lower inner formwork part 27 in FIGS. 4 to 10 and the second or upper inner formwork part 28 in FIGS. 4 to 10.
  • the inner formwork part 27 consists essentially of an outer formwork wall 29, which serves to shape the inner surfaces of the concrete walls 2, 3 and 4 below the stairs 5 and the course of these concrete walls corresponding to three wall sections running perpendicular to one another and perpendicular to the surface of the support frame 12 the height of the formwork wall 29, which is of course arranged at a distance from the formwork walls 16, 17 and 18 corresponding to the thickness for the concrete walls 2, 3 and 4, from the end of the formwork wall 16 remote from the formwork wall 17 to the corresponding end the formwork wall 18 increases.
  • the inner formwork part 27 has an inner wall 30 which has an approximately U-shaped course to the course of the inner edge 5 "of the stairs 5, and whose height increases in the same direction as the formwork wall 29.
  • a screw-like formwork wall 31 connecting the edge of the wall 30 results in a structure with a U-shaped cross-section, tunnel-like structure and a turn of 180 ° with increasing height for the inner formwork part 27.
  • the inner formwork part 27 is formed in two parts, ie it consists of the sections 27'and27 ", the parting plane T1 between these two sections, which (at the parting level) of course also the formwork walls 29 and 31 and the wall 30 in two corresponding sections, each releasably connected to one another divided, the outer formwork in the area of cut between the formwork walls 17 and 18 and form an acute angle, for example an angle of 50 °, with the formwork wall 18 or with the section of the formwork wall 29 running parallel to this formwork wall.
  • the section 27 'in the illustrated embodiment is firmly connected to the support frame 12, while the section 27 "in particular also after the formwork walls 29 and 31 and the wall 30 have been separated in the region of the part level T1 for demoulding the staircase element 1 can be pulled out of the formwork, first by moving in the direction of arrow F, ie parallel to the parting plane T1, which increases the distance between the formwork wall 29 and the formwork wall 18 and then by a movement in the direction of arrow G.
  • the formwork wall 29 of this section it is necessary for the formwork wall 29 of this section to tip at the parting plane T1 at the end that follows when it is removed or removed Includes angle.
  • the formwork walls 29 and 31 and the wall 30 are each made of sheet steel, for example, a plurality of support frames 32 made of profiled iron providing the necessary strength.
  • the upper inner formwork part 28 consists of an outer formwork wall 33, which serves to form the inner surface of the concrete walls 2, 3 and 4 above the stairs 5 and which extends with its upper edge to approximately the upper edge of the formwork walls 16, 17 and 18. It goes without saying that the formwork wall 33 in turn has a distance from the formwork walls 16, 17 and 18 which corresponds to the desired thickness for the concrete walls.
  • the formwork wall 33 again consists of three areas that run perpendicular to one another and perpendicular to the horizontal plane formed by the support frame 12.
  • the lower edge of the formwork wall 33 forms a stair line corresponding to the steps 7 of the staircase element 1, specifically in the form that the distance of the lower edge of the formwork wall 33 from the upper edge of this formwork wall from the vertical longitudinal edge of the formwork wall 16 lying away from the formwork wall 17 decreases towards the corresponding edge of the formwork wall 18.
  • the formwork wall 33 merges into a formwork wall 34 which is designed like a staircase and has surfaces 8 and 9 of the steps 7 corresponding horizontal and vertical surfaces, to which on its side facing away from the formwork wall 33, that is to say in the region of the inner edge 5 "of the Staircase element 1 to be manufactured is connected to a downwardly projecting apron or formwork wall 35.
  • the lower edge of the formwork wall 35 which has a stair-like course, overlaps the wall 30 at its upper edge or at its junction with the formwork wall 31, and is there releasably connected to the wall 30, the height of the formwork wall 35 being approximately the same over the entire length of this formwork wall .
  • the formwork wall 35 has the same course as the wall 30; with its lower, overlapping end in each case within the wall 30.
  • the formwork walls 29 and 33 and also the formwork walls 31 and 34 are each arranged at a distance from one another, so that between the formwork walls 31, 34 and 35 a cavity or mold space corresponding to the stairs 5 is formed, which in FIG the cavity or mold space formed between the formwork walls 16, 17 and 18, on the one hand, and the formwork walls 29 and 33, on the other hand.
  • the two mold spaces mentioned are each closed by the strips 24 and 25 of the frame 23, specifically by the lower or upper strip 25 of the mold space formed between the formwork walls 31, 34 and 35 for the Staircase 5 and through the vertical strips 24, the formed between the formwork walls 29, 33 and 16 and 18 forming space for the concrete walls 2 and 4.
  • the upper inner formwork part 28 held at the required distance from the lower inner formwork part 27.
  • the staircase element 1 to be produced with the formwork 11 in the embodiment shown should have, for example, a single-flight half-turn staircase 5, it is necessary to design the upper formwork part 28 in three parts in accordance with the vertical division levels T2 and T3 in order to enable demoulding.
  • the formwork walls 33, 34 and 35 are of course each divided into three sections which are detachably connected to one another. Sections 28 ', 28 "and 28'” are removed one after the other when stripping, starting with the lowest section 28 ', ie the section 28' closest to the support frame 12. This is followed by the removal of the middle section 28 ", which is then followed by the removal of the uppermost section 28" which is furthest away from the support frame 12.
  • the parting planes T2 and T3 preferably coincide with the surfaces 9 'of the formwork wall 34 which form the vertical surfaces 9 of the steps 7 or lie in the region of the transition between two adjacent surfaces 8' and 9 '.
  • the division planes T2 and T3 can in principle also be provided in the area of a surface 8 '.
  • the parting plane T2 forms an acute angle with the formwork wall 16 or its imaginary extension and, moreover, intersect the section of the formwork wall 33 running parallel to the formwork wall 17, so that on the one hand the section 28 'for demolding initially in the direction the arrow H (parallel to the parting plane T2) and then can be pulled out of the formwork in the direction of arrow I (essentially parallel to the formwork wall 16), and on the other hand, by removing a part of the formwork wall 33 lying parallel to the formwork wall 17, there is sufficient space arises to the section 28 "when stripping first in the direction of arrow K to be able to move (parallel to the division plane T2). Subsequently, the section 28 ′′ can be removed, for example, by lifting it upwards, or by correspondingly rotating and simultaneously pulling it out along the formwork wall 16.
  • the course for the vertical parting plane T3 is selected such that it intersects the section of the formwork wall 33 lying adjacent to the formwork wall 18 at an acute angle, for example at an angle of 50 °, at a certain distance from the transition point between the parallel to the Formwork wall 18 and the part of the formwork wall 33 lying parallel to the formwork wall 17, so that the section 28 '"can first be moved in the direction of the arrow L towards the formwork wall 17 and then lifted out of the formwork 11 for final removal or pulled out by turning, without the shuttering being hindered here in particular by the inner surfaces of the concrete walls and by the surfaces 9 of the stairs 5 of the finished stairwell element.
  • the formwork 11 is in its assembled state and is on a vibrating table with its support frame 12. Furthermore, it is assumed that the required iron reinforcement was inserted into the formwork 11 before it was closed or assembled. Concrete is introduced into the mold space formed between the formwork walls 16, 17, 18, 29 and 33 and open at the top of the formwork. Through the shaking movement of the shaking table, this concrete is compacted and at the same time flows into the mold space for the stairs 5 formed between the formwork walls 31, 34 and 35, air present in this mold space being able to escape through openings 37, which in the surfaces 8 'in the Proximity to the formwork wall 35 are provided. The openings 37 can also be used to check whether the molding space formed between the formwork walls 31, 34 and 35 has completely filled with concrete.
  • the upper support rails 36 are removed and the formwork walls 16, 17 and 18 are folded aside according to the arrows E or completely removed, namely after loosening the angle pieces 22 and 26.
  • the frame 23 is also removed, so that the cast staircase element 1 is detached at least on its outer surface.
  • the formwork of the inner formwork part 28 or the formwork of the sections 28 ', 28 ", 28'” can then be started, for example, in the manner and sequence as mentioned above, of course after releasing it Connecting elements between these sections and also those between the formwork wall 35 and the wall 30.
  • the formwork 40 differs from the formwork 11 in principle only in that the formwork wall 17 'corresponding to the formwork wall 17 is arranged with its surface sides in a horizontal plane and rests directly on the supporting frame 12 and is fastened there.
  • the formwork walls 16 'and 18' corresponding to the formwork walls 16 and 18 are articulated on their lower edge or in the region of the transition to the formwork wall 17 on the latter or on the support frame 12 and / or are detachably fastened.
  • the spindles 21 hold the formwork walls 16 'and 18' back in their vertical position when the formwork is assembled.
  • the outer formwork 16 ', 17' and 18 'thus also forms a U-shaped structure in the formwork 40, but not in a horizontal cross-sectional plane as in the formwork 11, but in a cross-sectional plane rotated by 90 °, namely in a vertical cross-sectional plane, so that the outer formwork delimits a U-shaped or trough-like space that is open at the top.
  • the formwork 40 also differs fundamentally from the formwork 11 in that the inner formwork parts 27 and 28, of which only inner formwork parts 28 are shown in FIGS. 11 and 12 for the sake of simplicity, are also rotated by 90 ° in relation to the formwork 11 the outer formwork is used and held there by suitable support and fastening elements, for example by support rails 36 ', which are supported on the upper edge of the formwork walls 16' and 18 '.
  • suitable support and fastening elements for example by support rails 36 ', which are supported on the upper edge of the formwork walls 16' and 18 '.
  • On the two end faces of the formwork 40 is between the formwork walls 16 ', 17', 18 ', on the one hand and the formwork walls 29 and 33 of the inner formwork parts 27 and 28, on the other hand ge formed mold space closed by front formwork walls 41.
  • the formwork 40 has the advantage that with a correspondingly long design of the outer formwork 16 '/ 17' / 18 'and when using a plurality of inner formwork parts 27 and 28, the formwork walls 33 and 29 are connected to one another in such a way that outside the molding spaces for stairs 5 results in a continuous formwork wall or surface running parallel to the formwork walls 16 ', 17', 18'ver), stairwell elements can be manufactured which, in deviation from the embodiment according to FIGS.
  • 1-3 have several stairways 5 which are made in one piece with adjacent concrete walls.
  • an additional formwork element 42 inserted into the outer formwork 16 '/ 17' / 18 ' which essentially forms four formwork walls 43, 44, 45 and 46, each spaced and parallel to the formwork wall 16' or 17 'or 18 'or parallel and at a distance from a formwork wall 41, and which with its formwork walls 43, 44 and 45 forms the continuation of the formwork wall 33 of the inner formwork part 28 forming the uppermost staircase 5, it is also possible with the formwork 40
  • the formwork walls 41 on the end face can be displaced in the direction perpendicular to their surface sides within the outer formwork or fastened in different positions, as indicated in FIG. 11 by the double arrows N, so that 40 formwork elements with different heights are included with the formwork different numbers of stairs 5, with or without the roof-like section 48, etc. can be produced in one and the same formwork, ie the formwork 40 allows adaptation to the respective needs in a particularly simple manner.
  • FIG. 13 and 14 show two further embodiments of a staircase element 1 'and 1 ", respectively, in the case of the staircase element 1' of FIG. 13 the concrete wall 3 has been partially recessed to form a window 49.
  • the concrete wall 2 completely eliminated, while the concrete walls 3 and 4 at 50 and 51 (for example, again to create window openings) were partially left out.
  • These recesses can either be achieved by introducing conventional recess elements into the formwork 11 or 40, or else by the formwork walls 16, 17, 18 or 16 ', 17', 18 'and 29 and 33 lying adjacent to one another at the edge of a desired recess can also be connected to each other by a transverse or auxiliary wall.
  • staircase element 1 "' in which the wall surrounding the stairs 5 on its outer circumference does not consist of three perpendicular concrete walls, but is a single, partially curved concrete wall 47.
  • this staircase element 1"' one Correspondingly partially curved outer formwork and inner formwork parts 27 and 28 are used, the formwork walls 29 and 33 of which are also partially curved in accordance with the course of the concrete wall 47.
  • the staircase element or this circuit manufactured with the formwork 40 such that the actual roof element or the upper roof-like section is omitted in the roof-like section 48 or is designed as a roof with at least one roof slope.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (12)

1. Procédé pour la fabrication d'un élément d'escalier de bâtiment (1) avec au moins un escalier en U ou en arc (5), en béton, présentant une multiplicité de marches ainsi qu'avec une paroi extérieure courante de limitation (2, 3, 4; 47) de l'élément d'escalier de bâtiment entourant au moins partiellement l'escalier sur son pourtour extérieur dans la direction ascendante de l'escalier (5), laquelle (paroi de limitation) est aussi fabriquée en béton, s'étend du bord inférieur au bord supérieur de l'élément d'escalier de bâtiment (1 ) et constitue une unité autoportante avec l'escalier en U ou en arc (5), caractérisé en ce que l'escalier (5) et la paroi de limitation (2, 3, 4; 47) sont fabriqués ensemble par une coulée dans un seul coffrage.
2. Coffrage pour la fabrication d'un élément d'escalier de bâtiment (1) avec au moins un escalier en U ou en arc (5) en béton présentant une multiplicité de marches ainsi qu'avec une paroi extérieure courante (2, 3, 4; 47) de limitation de l'élément d'escalier de bâtiment (1) entourant au moins partiellement l'escalier sur son pourtour extérieur et dans la direction ascendante de l'escalier (5), laquelle (paroi de limitation) est aussi fabriquée en béton et s'étend du bord inférieur au bord supérieur de l'élément d'escalier de bâtiment (1 ), dans lequel, pour la fabrication de l'escalier (5), en même temps que la paroi de limitation (2, 3,4; 47) dans une coulée, le coffrage présente un coffrage externe (16,17,18,23; 16', 17', 18', 41 ) ainsi qu'un coffrage interne (27, 28), entre lesquels sont constitúes un premier espace de moulage pour la paroi de limitation (2, 3, 4; 47) ainsi qu'au moins un deuxième espace de moulage (27, 28) pour l'escalier (5), dans lequel le coffrage interne (27, 28) est constitué d'au moins deux parties et dont la première partie (27) (première partie du coffrage interne) présente une première surface de moulage (29) limitant le premier espace de moulage ainsi qu'une deuxième surface de moulage limitant le deuxième espace de moulage à la partie inférieure de l'escalier (5), qui s'étend à partir d'un premier bord de la première surface de moulage (29) dans la partie médiane du coffrage (11, 40), et dans lequel la deuxième partie (28) du coffrage interne (deuxième parti du coffrage interne) présente une troisième surface de moulage (33) limitant le premier espace de moulage ainsi que d'autres, une quatrième surface de moulage (8', 9') limitant au moins partiellement le deuxième espace de moulage en relation avec les marches de l'escalier (7), qui s'étend à partir d'un premier bord de la troisième surface de moulage (33) dans la partie médiane du moule (11,40).
3. Coffrage selon la revendication 2, dans lequel la quatrième surface de moulage est composée de plusieurs sections planes se succédant l'une après l'autre, disposées soit perpendiculairement soit en biais l'une par rapport à l'autre, et la quatrième surface de moulage constituant de préférence une paroi de moulage (34) de bout en bout selon un développement en forme d'escalier.
4. Coffrage selon la revendication 2 ou la revendication 3, dans lequel au moins une partie du coffrage interne (27, 28) est composée pour sa part encore d'au moins une partie double ou bien d'au moins deux sections constituantes (27', 27"; 28', 28", 28"').
5. Coffrage selon l'une des revendications 2-4, dans lequel le coffrage interne présente une paroi de moulage (35) supplémentaire à au moins une partie du coffrage interne (28), laquelle paroi y limite le deuxième espace de moulage au bord interne (5") de l'escalier.
6. Coffrage selon l'une des revendications 4 ou 5, dans lequel la première partie (27) du coffrage interne est subdivisée en au moins deux sections (27', 27") par au moins un plan de partage.
7. Coffrage selon l'une des revendications 4-6, dans lequel la deuxième partie (28) du coffrage interne est subdivisée en au moins deux sections (28',28",28"') par au moins un plan de partage (12, 13) et dans lequel, de préférence spécialement pour la fabrication d'un escalier à une entrée, demi-inversé et/ou d'une section d'escalier à une entrée semi-inversée, la deuxième partie (28) du coffrage interne ou bien la partie (28) du coffrage interne servant à former cet élément d'escalier est subdiviséeentroissections (28', 28", 28"') par deux plans de partage (12,13).
8. Coffrage selon l'une des revendications 6-7, dans lequel la première et/ou la troisième surface de moulage (29, 33) est coupée selon un angle aigu par au moins un plan de partage.
9. Coffrage selon l'une des revendications 2-8, dans lequel le coffrage interne est constitué par plusieurs premières et deuxièmes parties de coffrage interne (27, 28), et dans lequel, de préférence, au moins une première partie (27) de coffrage interne est liée avec un deuxième bord disposé contre son premier bord avec le deuxième bord de cette deuxième partie (28) du coffrage interne disposée contre le premier bord d'une deuxième partie du coffrage interne.
10. Coffrage selon l'une des revendications 2-9, dans lequel la première surface de moulage (29) de la première partie (27) du coffrage interne ainsi que la troisième surface de moulage (33) de la deuxième partie (28) du coffrage interne sont disposées selon une direction verticale dans toute leur étendue.
11. Coffrage selon l'une des revendications 2-10, dans lequel la première surface de moulage (29) de la première partie (27) du coffrage interne, ainsi que la troisième surface de moulage (33) de la deuxième partie (28) du coffrage interne se situent, au moins sur une étendue partielle, dans un plan horizontal et dans lequel le coffrage externe est de préférence situé au moins sur une étendue partielle (17') dans un plan horizontal.
12. Coffrage selon l'une des revendications 2-11, dans lequel le coffrage externe (16, 17, 18; 16', 17', 18') ainsi que le coffrage interne (27, 28) sont fixés à un support ou à un cadre-support (12) au moins partiellement de façon amovible et/ou par un encliquetage mobile.
EP84113463A 1983-11-12 1984-11-08 Procédé pour la fabrication d'un escalier de bâtiment ou bien d'un élément d'escalier, coffrage pour réaliser ce procédé Expired EP0148363B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84113463T ATE33280T1 (de) 1983-11-12 1984-11-08 Verfahren zur herstellung einer gebaeudetreppe oder eines treppenelementes, schalung zur durchfuehrung des verfahrens.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3341057 1983-11-12
DE19833341057 DE3341057A1 (de) 1983-11-12 1983-11-12 Verfahren zur herstellung einer gebaeudetreppe oder eines treppenhauselementes, schalung zur durchfuehrung des verfahrens und nach dem verfahren erhaltenes treppenhauselement

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EP0148363A1 EP0148363A1 (fr) 1985-07-17
EP0148363B1 true EP0148363B1 (fr) 1988-03-30

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Publication number Priority date Publication date Assignee Title
DE3835790C1 (fr) * 1988-04-11 1989-11-16 Heinrich Schaper Hoch-, Beton- Und Stahlbeton Gmbh, 3160 Lehrte, De
NL9400640A (nl) * 1994-04-21 1995-12-01 Unigoed Vastgoedlease B V Werkwijze voor het bouwen van een voor personen toegankelijk gebouw en bouwelementen voor een dergelijk gebouw.
DE29911369U1 (de) * 1999-07-01 1999-09-16 Theves, Herbert, 01665 Zehren Viertel- und halbgewendelte Treppen
EP1424458A1 (fr) * 2002-11-28 2004-06-02 Léon-Edouard Desmarets Elément de coffrage et son procédé de fabrication
DE202009013431U1 (de) 2009-10-05 2010-02-11 Udw-Treppen E.K. Treppenmodulschalung für gewendelte Ortbetontreppen
CN109441031B (zh) * 2018-12-18 2023-11-14 中铁建工集团有限公司 结构梁隐藏式悬挑型开敞旋转楼梯结构及其施工方法

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Publication number Priority date Publication date Assignee Title
FR365299A (fr) * 1906-04-14 1906-09-06 Auguste Fabre Construction d'escaliers
FR1345774A (fr) * 1962-11-03 1963-12-13 D Ensembles Tech Soc Et Procédé de construction de bâtiments par éléments préfabriqués en trois dimensions et éléments servant à cette construction
US3281110A (en) * 1965-10-22 1966-10-25 Glenn F Lister Mold for precast concrete step construction
GB1221973A (en) * 1968-04-26 1971-02-10 Concrete Ltd Staircase unit and a mould for making said unit
NL7403733A (fr) * 1973-03-28 1974-10-01
AU505489B2 (en) * 1976-05-24 1979-11-22 Western Bridge Constructions Pty. Limit; D Precast staircase
CA1093335A (fr) * 1978-07-31 1981-01-13 Zenon A. Zielinski Traduction non-disponible

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DE3341057A1 (de) 1985-05-23
ATE33280T1 (de) 1988-04-15
EP0148363A1 (fr) 1985-07-17

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