EP3967827A1 - Partie de marche d'escalier préfabriqué en béton - Google Patents

Partie de marche d'escalier préfabriqué en béton Download PDF

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Publication number
EP3967827A1
EP3967827A1 EP21195312.0A EP21195312A EP3967827A1 EP 3967827 A1 EP3967827 A1 EP 3967827A1 EP 21195312 A EP21195312 A EP 21195312A EP 3967827 A1 EP3967827 A1 EP 3967827A1
Authority
EP
European Patent Office
Prior art keywords
section
foundation
lateral surface
step section
lateral
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
Application number
EP21195312.0A
Other languages
German (de)
English (en)
Other versions
EP3967827B1 (fr
EP3967827C0 (fr
Inventor
Wolfgang Hirn
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.)
HIRN, WOLFGANG
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3967827A1 publication Critical patent/EP3967827A1/fr
Application granted granted Critical
Publication of EP3967827B1 publication Critical patent/EP3967827B1/fr
Publication of EP3967827C0 publication Critical patent/EP3967827C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E04F11/104—Treads
    • E04F11/116—Treads 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
    • 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
    • E04F11/09—Tread-and-riser units
    • 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

Definitions

  • the present invention relates to a precast concrete stair part.
  • the steps of such a concrete staircase are usually formed by producing individual foundation parts from in-situ concrete or by laying prefabricated foundation parts and then fastening tread plates to the foundation parts.
  • the DE 92 11 796 U1 discloses a concrete block for forming stairs, walls and partitions.
  • the concrete block consists of a lower slab and an upper slab, which are connected via a central web that determines the distance between the slabs, resulting in the shape of a double T-beam.
  • a large number of such shaped concrete blocks can be arranged in such a way that they form a staircase.
  • a general disadvantage of the prior art solutions is the high cost of laying the individual elements. If the tread plates are fastened to the foundation parts on site, stresses often arise due to the different thermal expansion of the two elements. This causes the connection between the foundation and the tread plate to age, causing the tread plate to slowly loosen and begin to wobble.
  • the object of the invention is to provide a concrete staircase for outdoor use that is easy and inexpensive to install and at the same time has a long service life without noticeable aging due to environmental influences.
  • the present invention provides a precast concrete stair part having a foundation section and a step section, wherein the foundation section is designed and set up for anchoring the precast concrete stair part in the subsoil.
  • the foundation section has a foundation section base area provided for resting on the subsoil and a foundation section outer surface.
  • the step section has a step section top surface provided as a stepping surface, a step section base surface opposite the step section top surface and a step section lateral surface.
  • the step section protrudes at least in a partial area of its step section lateral surface over the foundation section in a partial area of its foundation section lateral surface.
  • the precast concrete stair part has elongate reinforcement elements, with at least one of the elongate reinforcement elements being arranged in the foundation section Having a foundation reinforcement section and a stepped reinforcement section arranged in the step section.
  • the precast concrete stair part according to the invention is a one-piece precast concrete part.
  • the precast concrete stair part according to the invention has elongated reinforcement elements which extend both into the foundation section and into the step section.
  • the two sections of the precast concrete stair part are therefore statically connected to one another and can thus be loaded with high weights.
  • a concrete staircase for outdoor use which is formed from a plurality of precast concrete stair-step elements according to the invention, is easy and inexpensive to install and at the same time has a high resistance to environmental influences.
  • All precast concrete parts for stairs can be produced in the precast plant individually for a specific external staircase.
  • On site, only the subsoil is leveled with an appropriate gradient and provided with a standard layer of gravel or sand concrete.
  • the individual prefabricated concrete steps are then placed with their foundation section in the subsoil in such a way that the step sections forming the stairs are suitably aligned in the vertical and horizontal direction.
  • the cross section of the foundation section and/or the step section can be configured in almost any horizontal direction in the installed state.
  • a circular cross-section for the foundation section and/or the step section is suitable, as is an oval cross-section or a cross-section composed of any number of planar sections.
  • a cross-section composed of flat sections generally represents the envelope of a prism.
  • the present invention is described below using a prism with four sections, i.e. a cuboid, but it should be emphasized that each of the sections can be divided into an essentially arbitrary number of further Sections can be divided.
  • the horizontal cross section of such a foundation section and/or such a step section is then a polygon.
  • the base section and/or the step section has the shape of a cylinder, in particular a right circular cylinder or an elliptical cylinder, or the shape of a prism, in particular a right prism.
  • the base section has the shape of a conically tapering cylinder, i.e. a cone with a circular base, in particular a truncated cone, or a conically tapering elliptical cylinder, i.e. a cone with an elliptical base, or the shape of a conically tapering prism, i.e. a cone with a polygonal base or, to put it another way, a pyramid or a truncated pyramid.
  • a step is damaged, it may be necessary to replace a single precast concrete part of an existing concrete staircase.
  • the conically tapering foundation sections can prevent all steps arranged above the damaged step from having to be removed as well. Due to the foundation section tapering conically in a direction away from the step section, starting from the step section, the foundation section can also be introduced into the subsoil without any problems even when adjacent precast concrete parts have been installed.
  • the foundation section lateral surface has a plurality of flat partial foundation section lateral surfaces and/or the step section lateral surface has a plurality of flat partial step section lateral surfaces.
  • both the foundation section and the step section can basically have any shape. A particularly simple production is possible, however, if the respective lateral surface is made up of a plurality of flat lateral surface sections. If the foundation section has, for example, four partial surfaces of the foundation section, this results in a cuboid.
  • the foundation section has a foundation section base surface intended for resting on the subsoil, a front foundation section lateral surface, a first lateral foundation section lateral surface adjoining the front foundation section lateral surface, a rear foundation section lateral surface adjoining the first lateral foundation section lateral surface and opposite the front foundation section lateral surface, and a rear foundation section lateral surface second lateral surface adjoining the rear foundation section lateral surface and opposite the first lateral foundation section lateral surface Foundation section lateral surface.
  • the step section has a step section top surface provided as a tread surface, a step section base surface opposite the step section top surface, a front step section lateral surface adjoining the front step section lateral surface, a first lateral step section lateral surface adjoining the first lateral step section lateral surface and opposite the front step section lateral surface, and a rear step section lateral surface adjoining the rear step section lateral surface and the second lateral step portion lateral surface opposite the first lateral step portion lateral surface.
  • the step section protrudes at least with its front step section lateral surface over the front foundation section lateral surface.
  • front and rear lateral surface mean the arrangement of the respective surface from the perspective of an observer who wants to climb a staircase formed from precast concrete stair parts according to the invention.
  • the above embodiment describes a precast concrete stair part for forming a conventional stair with rectangular treads or with cuboid step sections.
  • the foundation section and/or the step section can be designed in almost any shape. A particularly simple production is possible when both the step section and the base section are cuboid.
  • the foundation section is in the form of a cuboid, embodiments are particularly preferred in which the horizontal extent of the foundation section extending from the first lateral foundation section lateral surface to the second lateral foundation section lateral surface is at least 15 cm, preferably at least 20 cm, particularly preferably at least 30 cm. amounts to. Also preferably, the vertical extent of the foundation section extending from the foundation section base area to the step section base area is at least 40 cm, preferably at least 60 cm, particularly preferably at least 80 cm.
  • the requirements for sufficient stability of the foundation section and for its secure anchoring in the subsoil are met.
  • the foundation section should not be oversized.
  • the reinforcement introduced into the precast concrete part must have a minimum amount of concrete cover. Such a minimum concrete cover of usually 5 cm is required to prevent premature corrosion of the reinforcement. This technical specification must be taken into account when dimensioning the foundation section and placing the reinforcement elements in the foundation section.
  • the step section is in the form of a cuboid, embodiments are particularly preferred in which the horizontal extent of the step section extending from the first lateral step section lateral surface to the second lateral step section lateral surface is at least 80 cm, preferably at least 120 cm, particularly preferably at least 150 cm. amounts to. Also preferably, the vertical extent of the step section extending from the step section base area to the step section cover area is at least 5 cm, preferably at least 10 cm, particularly preferably at least 15 cm.
  • the requirements for sufficient stability of the step section are met, in particular with regard to the action of force in the case of high loads that are transported over a staircase made of precast concrete parts according to the invention.
  • the step section should not be oversized.
  • Adequate dimensioning of the step section taking into account the loads occurring, is not a problem for the expert.
  • the expert also knows that the reinforcement introduced into the precast concrete part must have a minimum concrete cover. Such a minimum concrete cover of usually 5 cm is required to prevent premature corrosion of the reinforcement. This technical specification must be taken into account when dimensioning the step section and placing the reinforcement elements in the step section.
  • the step section protrudes at least in a partial area of its step section lateral surface over the foundation section in a partial area of its foundation section lateral surface.
  • the designation "front" lateral surface means the arrangement of the lateral surface from the perspective of an observer who is climbing a staircase formed from precast concrete stair parts according to the invention want.
  • the front step section jacket surface of the step section arranged higher in the vertical direction is thus located in the vertical direction above the step section top surface of the step section arranged lower in the vertical direction.
  • a staircase that is flush on both sides in the horizontal direction can be erected quickly and easily with the aid of a plurality of such precast concrete steps.
  • the step section protrudes with its first lateral step section lateral surface beyond the first lateral foundation section lateral surface.
  • the step section protrudes in two partial areas of its step section lateral surface over the foundation section in corresponding partial areas of its foundation section lateral surface.
  • the step section preferably protrudes with its front step section lateral surface over the front foundation section lateral surface and the step section projects with its first lateral step section lateral surface over the first lateral foundation section lateral surface.
  • the step section also protrudes with its second lateral step section lateral surface beyond the second lateral foundation section lateral surface.
  • the step section thus protrudes beyond the foundation section on up to three sides.
  • the step section also protrudes with its rear step section lateral surface beyond the rear foundation section lateral surface.
  • the precast stair-step concrete part has a “mushroom-like” appearance, with a step section projecting in every direction being arranged on a columnar foundation section.
  • not only a single elongate reinforcement element is provided in the precast concrete stair part, but rather a plurality of elongate reinforcement elements. At least two, preferably at least three, particularly preferably at least four of these elongated reinforcement elements have a foundation reinforcement section arranged in the foundation section and an im Step section arranged step reinforcement section.
  • the step section and foundation section of the precast concrete stair part are therefore statically connected to one another and can thus be loaded with high weights without having to fear a break in the area of the step part.
  • essentially any number of such reinforcement elements can be provided.
  • Structural requirements may also make it necessary for additional reinforcement elements to be provided, with each of the additional reinforcement elements extending either exclusively in the foundation section or exclusively in the step section.
  • additional reinforcement elements extending either exclusively in the foundation section or exclusively in the step section.
  • Several of the elongate reinforcement elements which have a foundation reinforcement section arranged in the foundation section and a step reinforcement section arranged in the step section, can be connected to one another by such reinforcements that extend exclusively in one of the sections, in the manner of a reinforcement frame.
  • Such reinforcement frames can be provided both in the foundation section and in the step section.
  • the at least one elongate reinforcement element has a substantially linear design in its foundation reinforcement section and a substantially linear design in its step reinforcement section.
  • the foundation reinforcement section encloses an angle of between 80° and 120° with the step reinforcement section, in particular an angle of between 85° and 100°, preferably an angle of around 90°.
  • This configuration can be present both in part and in all of the plurality of elongate reinforcement elements. Due to the curved course of the reinforcement elements, a particularly good and permanent static connection and static load capacity of the prefabricated concrete part of the stair step are achieved.
  • the present invention also includes an external staircase consisting of at least three precast concrete steps as described above.
  • an external staircase can be constructed with a significantly reduced construction time, which is associated with obvious economic advantages.
  • a drainage joint is preferably provided between adjacent precast concrete steps.
  • a shadow gap is formed and rainwater can drain off between the two precast concrete parts.
  • This embodiment also has the advantage that the desired step height can be adjusted.
  • the height of the shadow gap can be adjusted to the height of the step section with a variable amount are added, which means that stairs with different step heights can be manufactured with precast concrete elements with the same height of the step section.
  • the substrate material introduced into the depressions in step c) is preferably sand concrete.
  • the external staircase can be constructed in a significantly reduced construction time, which is associated with obvious economic advantages.
  • FIG 1 shows a schematic representation of a perspective view of a precast concrete stair part T according to the invention.
  • the stair step precast concrete part T comprises a foundation section F and a step section S.
  • the foundation section F has a foundation section base area Fg intended to rest on the subsoil and a foundation section lateral surface.
  • the foundation section lateral surface comprises a front foundation section lateral surface Fv, a first lateral foundation section lateral surface Fs1 adjoining the front foundation section lateral surface Fv, a rear foundation section lateral surface Fh adjoining the first lateral foundation section lateral surface Fs1 and opposite the front foundation section lateral surface Fv, and a rear foundation section lateral surface Fh adjoining and second lateral foundation section lateral surface Fs2 opposite the first lateral foundation section lateral surface Fs1.
  • the step section S has a step section top surface Sd provided as a stepping surface, a step section base surface Sg opposite the step section top surface Sd, and a step section lateral surface.
  • the step section lateral surface comprises a front step section lateral surface Sv, a first lateral step section lateral surface Ss1 adjoining the front step section lateral surface Sv, a rear step section lateral surface Sh adjoining the first lateral step section lateral surface Ss1 and opposite the front step section lateral surface Sv, and a rear step section lateral surface Sh adjoining and second lateral step section lateral surface Ss2 opposite the first lateral step section lateral surface Ss1.
  • the foundation section F is introduced into the ground to form an external staircase and anchored there.
  • a recess is provided in the foundation section F, which on the one hand saves material and on the other hand allows the laying of cables and pipes.
  • the step section S protrudes with its front step section lateral surface Sv over the front foundation section lateral surface Fv.
  • the step section base area Sg is visible and accessible in this projecting partial area.
  • the horizontal extent hAF of the foundation section F extends from the first lateral foundation section lateral surface Fs1 to the second lateral foundation section lateral surface Fs2 and is 30 cm in the exemplary embodiment shown.
  • the horizontal extent hAS of the step section S extends from the first lateral step section lateral surface Ss1 to the second lateral step section lateral surface Ss2.
  • the horizontal extent hAS of the step section S is identical to the horizontal extent hAF of the foundation section F and is also 30 cm.
  • figure 2 shows a schematic representation of a side view of the precast concrete stair part figure 1 .
  • the parts and dimensions already explained are based on the figure 2 the vertical extent vAF of the foundation section F and the vertical extent vAS of the step section S.
  • the vertical extent vAF of the foundation section F extends from the foundation section base area Fg to the step section base area Sg and is 90 cm in the exemplary embodiment shown.
  • the vertical extent vAS of the step section S extends from the step section base area Sg to the step section top area Sd and is 15 cm in the exemplary embodiment shown.
  • the precast concrete part T for the steps has elongated reinforcement elements A, the reinforcement element A shown having a foundation reinforcement section FA arranged in the foundation section F and a step reinforcement section SA arranged in the step section S.
  • the reinforcement element A is essentially linear both in its foundation reinforcement section FA and in its step reinforcement section SA, with the foundation reinforcement section FA having one step reinforcement section SA includes an angle of around 90°.
  • the reinforcement element A thus extends both into the foundation section F and into the step section S.
  • the two sections S, F of the precast concrete part T for steps are therefore statically connected to one another and can thus be loaded with high weights.
  • FIG 3 shows a schematic representation of a perspective view of an external staircase made of three precast concrete parts T according to the invention.
  • the step section S projects beyond the foundation section F in all four directions. Specifically, the step section S protrudes with its front step section lateral surface Sv beyond the front foundation section lateral surface Fv, it protrudes with its first lateral step section lateral surface Ss1 above the first lateral foundation section lateral surface Fs1, it protrudes with its second lateral step section lateral surface Ss2 above the second lateral foundation section lateral surface Fs2 and it protrudes with its rear step section lateral surface Sh beyond the rear foundation section lateral surface Fh.
  • the concrete dimensions of the foundation section F, the step section S and the protruding sections of the step section S are selected in such a way that the foundation sections F of the individual precast concrete stair elements T remain invisible to the user of the stairs, giving the impression that the individual tread plates are floating one above the other.
  • FIG 4 shows the figure 4 in a schematic representation a perspective view of an external staircase with several steps made of precast concrete elements T according to the invention.
  • the step section S protrudes exclusively with its first lateral step section lateral surface Ss1 beyond the first lateral foundation section lateral surface Fs1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
EP21195312.0A 2020-09-07 2021-09-07 Partie de marche d'escalier préfabriqué en béton Active EP3967827B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020123285.3A DE102020123285A1 (de) 2020-09-07 2020-09-07 Treppenstufenbetonfertigteil

Publications (3)

Publication Number Publication Date
EP3967827A1 true EP3967827A1 (fr) 2022-03-16
EP3967827B1 EP3967827B1 (fr) 2023-11-08
EP3967827C0 EP3967827C0 (fr) 2023-11-08

Family

ID=80215896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21195312.0A Active EP3967827B1 (fr) 2020-09-07 2021-09-07 Partie de marche d'escalier préfabriqué en béton

Country Status (3)

Country Link
EP (1) EP3967827B1 (fr)
DE (1) DE102020123285A1 (fr)
PL (1) PL3967827T3 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813831A (en) * 1973-07-26 1974-06-04 J Tate Precast garden steps
DE7610754U1 (de) 1976-04-07 1976-10-14 Stabilus Gmbh, 5400 Koblenz Gasfeder als elektrischer Leiter
DE2837452A1 (de) * 1978-08-28 1980-03-20 Ver Steinwerke Gmbh Stufenelement aus stein, beton, kunststein o.dgl. fuer eine fertigteiltreppe
DE9211796U1 (de) 1992-09-02 1992-11-12 Schmidt, Günter, 4010 Hilden Betonformstein zur Bildung von Treppen, Mauern und Wänden
EP1018581A1 (fr) * 1999-01-08 2000-07-12 FIEGE & BERTOLI GmbH & Co. KG. Marche d'escalier
KR200410085Y1 (ko) * 2005-12-14 2006-03-06 김명선 양면 조립식 콘크리트 계단

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH152528A (fr) 1930-12-15 1932-02-15 Bidal Charles Marche d'escalier en béton armé, procédé pour sa fabrication et dispositif pour la mise en oeuvre dudit procédé.
FR2307448A7 (fr) 1975-04-08 1976-11-05 Remacle Sa Ets J H Escalier a marches prefabriquees disposees a recouvrement partiel et solidarisees par compression
CN112523444A (zh) * 2020-12-08 2021-03-19 中建西部建设建材科学研究院有限公司 一种超高性能混凝土预制轻薄楼梯踏步及其装配连接工艺

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813831A (en) * 1973-07-26 1974-06-04 J Tate Precast garden steps
DE7610754U1 (de) 1976-04-07 1976-10-14 Stabilus Gmbh, 5400 Koblenz Gasfeder als elektrischer Leiter
DE2837452A1 (de) * 1978-08-28 1980-03-20 Ver Steinwerke Gmbh Stufenelement aus stein, beton, kunststein o.dgl. fuer eine fertigteiltreppe
DE9211796U1 (de) 1992-09-02 1992-11-12 Schmidt, Günter, 4010 Hilden Betonformstein zur Bildung von Treppen, Mauern und Wänden
EP1018581A1 (fr) * 1999-01-08 2000-07-12 FIEGE & BERTOLI GmbH & Co. KG. Marche d'escalier
KR200410085Y1 (ko) * 2005-12-14 2006-03-06 김명선 양면 조립식 콘크리트 계단

Also Published As

Publication number Publication date
EP3967827B1 (fr) 2023-11-08
DE102020123285A1 (de) 2022-03-10
PL3967827T3 (pl) 2024-03-25
EP3967827C0 (fr) 2023-11-08

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