WO2002100149A2 - Volee d'escalier - Google Patents

Volee d'escalier Download PDF

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Publication number
WO2002100149A2
WO2002100149A2 PCT/IB2002/002185 IB0202185W WO02100149A2 WO 2002100149 A2 WO2002100149 A2 WO 2002100149A2 IB 0202185 W IB0202185 W IB 0202185W WO 02100149 A2 WO02100149 A2 WO 02100149A2
Authority
WO
WIPO (PCT)
Prior art keywords
stairs
blocks
flight
beams
stringer
Prior art date
Application number
PCT/IB2002/002185
Other languages
English (en)
Other versions
WO2002100149A3 (fr
Inventor
Jacques Andre Baben
Goffredo Mugnaioni
Original Assignee
Jacques Andre Baben
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 Jacques Andre Baben filed Critical Jacques Andre Baben
Priority to AU2002321679A priority Critical patent/AU2002321679A1/en
Publication of WO2002100149A2 publication Critical patent/WO2002100149A2/fr
Publication of WO2002100149A3 publication Critical patent/WO2002100149A3/fr

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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
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/025—Stairways having stringers
    • 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

Definitions

  • This invention relates to the construction of flights of stairs.
  • the invention relates to a flight of stairs, to a staircase which includes the flight of stairs, and to a building which includes the flight of stairs.
  • the invention extends to a kit for constructing the flight of stairs, and to a method of constructing
  • a flight of stairs which flight comprises a plurality of stairs arranged in a series extending from a lower level to an upper level, the flight of stairs including: shuttering comprising a plurality of pre-formed beams and a plurality of preformed panels or blocks supported on the beams; and set cementitious filler material received in the shuttering,
  • the flight of stairs thus formed is a monolithic structure.
  • monolithic means that the entire flight of stairs is a unitary structure in which the respective components are integrally connected together and fast with one another by cementitious bonding of the set filler material to the respective components from which the shuttering is formed.
  • the shuttering includes blocks in the form of hollow pre-cast cementitious blocks supported on the beams.
  • Each hollow block may be trough- shaped,! having an open upper side which faces upwardly, set filler material in the interior of eachjblock forming at least part of each of the stairs, and an upper surface of the set filler material received in each block forming at least part of a tread for each
  • Each stair may comprise a plurality of two or more of the trough-shaped blocks, the blocks of each stair having open ends and being aligned end-to-end in series, so that the hollow interiors of the blocks of each stair are in communication to form an elongated common cavity in which set filler material is received.
  • each common cavity formed by the aligned blocks of a said stair is closed joff at each end thereof by a pre-formed end panel forming part of the shuttering.
  • each beam is pre-cast from cementitious material.
  • the beams include at least two stringer beams extending from the lower level to the upper level, transverse to the lengthwise direction of each stair, each pair of neighbouring stringer beams supporting a plurality of panels or blocks therebetween.
  • the panels or blocks may be stacked in a stack sloping jupwardly from a lowermost panel or block to an uppermost panel or block.
  • each stringer beam may be reinforced by an elongated j reinforcing element embedded in the stringer beam and extending along the length of the stringer beam.
  • the flight of stairs may include a slab of set cementitious filler material at a lower end of the flight of stairs, the slab forming a foot of the flight of stairs, lower ends of the stringer beams being incorporated in the foot by cementitious bonding of the set filler material of the foot to the lower ends of the stringer beams.
  • the lower ends of the stringer beams may be supported by a lower landing j beam which extends transversely to the stringer beams, the lower landing beam being incorporated in the foot by cementitious bonding of the set filler material of the foot to the lower landing beam. It will be appreciated that it is not essential that the lower landing be incorporated in the foot of the flight of stairs.
  • the lower landing beam has an engagement formation which is curved in outline, when the landing beam is viewed in cross-section, the lower end of each stringer beam being provided with a complementartjly curved engagement formation in engagement with the engagement formation of the lower landing beam.
  • the flight of stairs may include a slab of set cementitious filler material at an upper end of the flight of stairs, forming a landing, the upper ends of the stringer beams being incorporated in the landing by cementitious bonding of the set filler material of the landing to the upper ends of the stringer beams.
  • the upper ends of the stringer beams may be supported by an upper landing
  • the upper landing beam may be omitted altogether, the upper ends of the stringer beams beings supported on a support structure to which the flight of stairs is connected by cementitious bonding of the filler material to the support structure. The same applies in respect of the lower landing beam.
  • the invention extends to a staircase which comprises at least two flights of stairs as described above, the flights of stairs being connected together in series, the upper level of at least one flight being at the same level as the lower level of another flight in the series, and being connected thereto by set cementitious filler material.
  • Successive flights of stairs may incline upwardly in opposite directions, i such thjat the staircase has a zig-zag shape in side elevation.
  • the invention extends even further to a building which includes a flight of stairs as described above, the flight of stairs being built into the building.
  • the invention also provides a kit for providing shuttering for a flight of stairs, which kit includes: a plurality of panels or blocks for supporting settable cementitious filler material during getting thereof to provide stairs; and a ⁇ plurality of beams for supporting the panels or blocks in an array which provides shuttering which permits the cementitious filler material received in the shuttering to set into a flight of stairs into which the shuttering is incorporated by cementitious bonding of the set filler material to the shuttering.
  • the blocks are hollow pre-cast cementitious blocks.
  • Each block may be trough-shaped, having an open side and a locating formation for, in use, locating the block on two or more of the beams such that the open side of the block faces upwardly.
  • each block may have open ends,
  • I so that I a plurality of the blocks are supportable in position on the beams with the blocks aligned end-to-end in series with the hollow interiors of the blocks in communication to form an elongated cavity.
  • the kit may include a plurality of end panels, each end panel being locatable at an end of one of the blocks to close off that end of the block.
  • each beam comprises set cementitious material.
  • the kit may include) at least two stringer beams for extending from a lower level of the flight of stairs to an upper level of the flight of stairs, for supporting, between neighbouring
  • Each stringer beam may be reinforced by an elongated reinforcing element fast with the stringer beam and extending lengthwise along the stringer beam.
  • the kit may include a lower landing beam for supporting lower ends of the stringer beams such that the stringer beams extend transversely to the lower landing beam, the lower landing beam having an engagement formation which is curved in outline, when the landing beam is viewed in cross-section, the lower end of each stringer beam being provided with a complementarily curved engagement formation for engagement with the engagement formation of the lower landing beam.
  • the blocks or panels may include a plurality of foot blocks, each foot block having an engagement formation which is complementary in shape to that of the engagement formation of the lower landing beam.
  • the kit may include an upper landing beam for supporting upper ends of the stringer beams such that the stringer beams extend transversely to the upper landing! beam, the upper landing beam having an engagement formation which is
  • each stringer beam being provided with a complementarily curved engagement formation for engagement with the engagement formation of the upper landing beam.
  • the kit may include a plurality of hollow slab blocks for connection together to form shuttering for supporting a layer of settable cementitious material during setting thereof to provide a slab in which the slab blocks are incorpo("ated by cementitious bonding of set filler material to the slab blocks, a cementitious upper surface of the slab being formed by the upper surface of the set cementitious filler material.
  • the panels or blocks and the beams are shaped and dimensioned to permit assembly thereof into shuttering for a flight of stairs, in which
  • the invention further provides a method of constructing a flight of stairs, which rnethod
  • the method may include the step of placing at least two stringer beams side-byj-side and spaced apart in position at a location where the flight of stairs is to be form'ed, such that the stringer beams extend alongside each other from a lower level of the flight of stairs to an upper level of the flight of stairs.
  • the method may in such a case include the subsequent step of stacking a plurality of the panels or blocks between the stringer beams, such that the panels or blocks are supported on the stringer beams, each neighbouring pair of stringer beams supporting a stack of the panels or blocks between them, the stack sloping upwardly from a lowermost panel or block to an uppermost panel or block.
  • the rake of the shuttering may then be adjusted, by adjusting the inclination of the stringer beams.
  • the method may include the step of connecting together a plurality of slab blocks at the lower level of the shuttering, receiving settable cementitious filler material in the slab blocks, and allowing the filler material to set to form a slab at the lower level from the set filler material and from the slab blocks, the slab blocks and lower ends of the stringer beams being incorporated into the slab by cementitious bonding of the filler material respectively to the slab blocks and to the lower ends of the stringer beams.
  • the method may include the step of connecting together a plurality of slab blocks at the upper level of the shuttering, receiving settable cementitious filler material in the slab blocks, and allowing the filler material to set to form a slab at the upper level from the set filler material and from the slab blocks, the slab blocks and upper ends of the stringer beams being incorporated into the slab by cementitious bonding of the filler material respectively to the slab blocks and to the upper ends of the stringer beams.
  • Figure 1 is a partial three-dimensional view of shuttering for a flight of stairs in accordance with the invention
  • Figure 2 is an exploded side elevation of the shuttering of Figure 1 ;
  • Figure 3 is an exploded plan view of the shuttering of Figure 1 ;
  • Figure 4 is an expanded, three-dimensional view, not entirely to scale, of a pre-formed block forming part of a modular kit for the shuttering of Figure 1 ;
  • Figure 5 is a sectional side view of part of a flight of stairs formed by means of the shuttering of Figure 1 ;
  • Figure 6 is a view corresponding to Figure 1 of a further embodiment of shuttering for a flight of stairs in accordance with the invention.
  • Figure 7 is a view corresponding to Figure 6 of a flight of stairs formed from the shuttering of Figure 7 and from set cementitious filler material received in the shuttering;
  • Figure 8 is an exploded side elevation of the shuttering of Figure 6;
  • Figure 9 is an exploded plan view of the shuttering of Figure 6;
  • Figure 10 is a three-dimensional view, on an enlarged scale, of a pre-formed block forming part of a kit for the shuttering of Figure 6; and
  • Figure 1 1 is a three-dimensional view of a staircase comprising three of the
  • reference numeral 10 generally indicates shuttering for a flight 1 6 (see Figure 5) of stairs 17 in accordance with the invention.
  • the shuttering 10 comprises an assembled modular kit for providing such shuttering.
  • the shuttering 10 includes three stringer beams 14 (two of which are shown (in Figure 1 ) which extend between a lower level 12 and an upper level 13, formed jby a lower floor and an upper floor (both not shown) respectively, which are connected by the flight 16 of stairs 17.
  • the stringer beams 14 are pre-cast concrete units containing steel reinforcing rods (not shown) embedded therein.
  • the stringer beams 14 are positioned such that they are parallel to one another, and are transversely spaced apart by a predetermined spacing, so that pre-formed blocks 1 8 can be received between neighbouring stringer beams 14.
  • each stringer beam 14 is supported at its upper and lower ends by upper and lower landing beams, or cross-beams, 20, 22 respectively.
  • Each stringer beam 14 has step-like formations 24 respectively at
  • step-like formations 24 co-operating with complementary rebates 26 respectively formed in the cross-beams 20, 22, to support the stringer beams
  • the pre-formed blocks 18 to be received between the stringer beams 14 form part of the shuttering 10 and are broadly trough-shaped, the blocks 1 8 having open upper sides 28 (see Figure 4) and open ends 30.
  • the blocks 1 8 are pre-cast concrete elements.
  • a lower surface 32 of each block 1 8 is provided with locating rebates 34 ( Figure 4) at both ends 30 of each block 1 8, the rebates 34 extending parallel to the stringer beams 14 when the blocks 18 are supported on the beams 14.
  • the locating rebates 34 seat on longitudinally extending flanges of rebates 36 extending along the stringer beams 14.
  • the rebates 36 and the rebates 34 are dimensioned such that, when in position, the lower surfaces 32 of the blocks 1 8 and lower surfaces 38 of the stringer ( beams 14 together define a flat planar soffit (shown particularly with reference to a further embodiment of the invention in Figure 1 1 ) of the shuttering 10 and thus of the eventual flight 1 6 of stairs 17.
  • Pairs 40 of the blocks 18 are aligned end-to-end in series so that each pair 40 defines a common cavity ( Figure 1 ) for receiving filler material to form a stair
  • Figure 1 shows five pairs 40 of blocks 18, while only three pairs 40 of blocks 1 8 are shown in Figures 2, 3, and 5.
  • each block 1 8 are supported on the stringer beams 14 in a stacked arrangement. Each block 1 8 therefore supports a neighbouring block 1 8 forming part of an immediately higher pair 40.
  • the blocks 18 of the lowest pair 40 (also designated 42) are shaped so that a front wall 46 (see Figures 2, 4, and 5) of each block 1 8 engages upright surface of the rebate 26 (see Figures 1 to 3) of the lower cross-beam 22.
  • each block 1 8 of the uppermost pair 40 (also designated 44) of blocks 1 8 has a rear wall 48 which engages the upright surface of the rebate 26 of the upper cross-beam 20 (see Figures 1 to 3).
  • the front wall 46 of each block 18 (apart from the blocks 18 in the lowest pair 42) has an operatively horizontal lip or step 50 for seating on the upper edge of the rear wall 48 of a corresponding, immediately lower, block 18.
  • An upper portion 52 of the front wall 46 of each block 18 is wider than a lower portion 54 of the front wall 46 of that block 18 (the upper and lower portions 52, 54 being separated by the horizontal lip or step 50), so that when the blocks 18 are aligned in series end-to-end, the upper portions 52 of the blocks 1 8 in a pair 40 together horizontally span the width of the stringer beam 14 located between them, meeting to form a partition between stair cavities defined by neighbouring pairs 40 of blocks 18.
  • An opening at 55 is defined between the abutting upper portions 54 of each pair 40 of blocks 1 8 and the upper
  • the kit also includes end panels 56 which close off each outermost end 30 of each series of blocks 18. Again, the end panels 56 at the rightmost end of each series 40 are omitted from Figure 1 for the sake of clarity. End panels 56 respectively for closing off the uppermost and lowest series 44, 42 of blocks 18 are specially shaped for closing off the specially shaped blocks 1 8 of those series. As is the case with the other elements of the kit, the end panels 56 are pre-cast concrete elements.
  • a flight 1 6 of stairs 17 is formed on-site by first locating the upper and lower cross-beams 20, 22 in position on their respective floors, at a location where the flight 1 6 of stairs 17 is to be installed.
  • the stringer beams 14 are then put into position, extending between the cross-beams 20, 22 and engaging their rebates 26 as described above.
  • the blocks 18 are placed in position received on the stringer beams 14.
  • the lowest pair 42 of blocks 1 8 are put into position first, followed by successive pairs 40 of blocks 18, ending with the topmost pair 44. Finally, each pair 40 of blocks 18 is closed off by the end panels 56, thereby completing the shuttering 10.
  • the rake of the shuttering 10 can be adjusted, within limits, even after the shuttering 10 has been assembled.
  • the rake can be varied
  • Settable cementitious filler material in the form of unset concrete 58 is then pcjured into the shuttering 10 to form the flight 16 of stairs 17.
  • the lower cross-beam 22 is embedded in a concrete slab (not shown) at the foot of the flight 16 of stairs 17, while the upper cross-beam 20 is similarly embedded in a concrete slab (not shown) forming a landing at the top of the flight 16 of stairs 17.
  • Cementitious bonding takes place between the material of the slabs and the crossbeams 20, 22.
  • Steel reinforcing rods (not shown) horizontally spanning the width of the flight 16 of stairs 17 can be located in the interiors of the cavities defined by the troughs of the blocks 1 8, to reinforce each stair after the filler material 58 sets.
  • Similar steel reinforcing rods are positioned to extend at an inclination along the length of the shuttering 10, being vertically spaced above the stringer beams 14 to pass through the openings 55, the inclined] reinforcing rods 70 extending transversely to the horizontal reinforcing rods in the filler material 58 in the stair cavities.
  • the inclined reinforcing rods 70 extending along the length of the shuttering are tied to the horizontal reinforcing rods extending lengthwise in the stair cavities to form a reinforcing lattice or framework (not shown) which is embedded in the set filler material 58, and thus becomes incorporated in the flight of stairs 16 when the filler material 58 sets, by cementitious bonding thereto of the set filler material 58.
  • the set filler material 58 in the cavity of each block 18 is finally topped off with! further wet or unset concrete, so that once the concrete 58 has set, a level upper surface 60 of the set concrete 58 in any pair 40 of blocks 18 forms the tread of a stair 17 formed by that pair of blocks 18.
  • the rises of the stairs are formed by the aligned upper portions 52 of the front walls 46 of the blocks 1 8 in each pair 40.
  • the shuttering 10 becomes integrally incorporated in the flight of stairs 16, being fast with the filler material 58 of the flight 16 of stairs by cementitious bonding of the cement 58 respectively to the blocks 1 8, the stringer beams 14, and the end panels 56, to form a more or less unitary or monolithic structure.
  • reference numeral 1 1 generally indicates shuttering for a flight 62 of stairs 17 ( Figure 7) in accordance with the invention.
  • the shuttering 1 1 is constructed from elements which are largely similar the elements of the shuttering 10 described with reference to Figures 1 to 5, and the method of forming the flight 62 of stairs 17 corresponds largely to the method of forming the flight 16 of stairs 17 of Figures 1 to 5. Unless otherwise indicated, like reference numerals indicate like parts in Figures 1 - 5 and Figures 6 - 1 1 .
  • inclined reinforcing rods 70 are fast with the stringer beams 14, extending along the length of the stringer beams 14.
  • the reinforcing rod 70 of each stringer beam 14 is parallel to the beam 14, being closely spaced vertically above the beam 14.
  • each stringer beam 14 is supported at its upper and lower ends by upper and lower landing beams 20, 22 respectively.
  • Each landing beam 20, 22 is provided with an engagement formation for engaging the stringer beams 14, the engagement formation in this example being an engagement surface 21 which extends along the length of each landing beam 20,
  • thej engagement surface 21 being part-circular in outline, when the landing beam 20, 22' is viewed in cross-section, as can be seen in Figure 8.
  • the engagement surfaces 21 of the landing beams 20, 22 thus form seats for respectively receiving the upper and the lower ends of the stringer beams 14.
  • the upper ends of the stringer beams 14 are provided with engagement formations 23 ( Figure 8) which are complementary in shape to the engagement surface 21 of the upper landing beam 20, the engagement formation 23 seating on the engagement surface 21 of the upper landing beam 20, when the kit is assembled to form the shuttering 1 1 ( Figure 6) .
  • Each stringer beam 14 is provided with a similar engagement formation 25 at its lower end, this engagement formation 25 being complementary to the engagement surface 21 of the lower landing beam 22, and, in use, seating on the engagement surface 21 of the lower landing beam 22.
  • the blocks 1 8 in the lowest pair 42 are each provided with an engagement formation in the form of a recess 43 which extends between the ends 30 of the block 1 8, the recess 43 being complementary in cross-sectional profile to the engagement surface 21 of the lower landing jbeam 22.
  • Each foot block 1 in use, seats on the lower landing beam 22 in a manner similar to the engagement of the lower ends of the stringer beams 14 with the lower landing beam 22.
  • the blocks 18 in the uppermost pair 44 of blocks 1 8, also referred to as head blocks each have an engagement formation in the form of a similar recess 45 extending between the ends 30 of that block 44, for engagement with the engagement surface 21 of the upper landing beam 20 in a manner similar to the engagement between the upper ends of the stringer beams 14 with the upper landing beam 20.
  • the engagement of the curved engagement formations 23, 45 of the upper ends of the stringer beams 14 and the head blocks 44 respectively, with the curved engagement surface 21 of the upper landing 20, and the similar engagement of the curved engagement formations 25, 43 of the lower ends of the stringer beams
  • each landing beam 20, 22 has a row of loops or eyes 72 (shown only in Figures 8 and 9, for ease of illustration) fast with the associated stringer beam 20, 22 and projecting from an upper surface of the stringer beam 20, 22, each row of eyes 72 extending along the length of the associated beam 20, 22.
  • each block 1 8 is broadly V-shaped in end view, having a front wall 46 and a base wall 47 projecting at an angle from the front wall 46.
  • Each block 1 8 is shaped such that the rear or tail edge 49 of the base wall 47
  • the shuttering 1 1 includes a plurality of slab blocks 59 (only two of which are shown in Figure 6, for clarity of illustration) which form shuttering for a cementitious slab at the lower level 12 of the flight 62, to form a foot 64 of the flight 62, and a plurality of slab blocks 59 (again, only two of which are shown in Figure 6) which form shuttering for a cementitious slab at the upper level 1 3 of the flight 62, ⁇ I to form a landing 68 of the flight 62 of stairs 17.
  • Each slab block 59 is shallow trough-shaped, with open ends.
  • the slab blocks 59 are connected together in a grid by means of tongue-and-groove formations on the sides of the blocks 59.
  • each block 59 has a tongue 57 projecting from its one side, extending along the length of the block 59, and a complementary longitudinally extendijng groove 61 on its other side.
  • the respective grids are formed by connecting slab blo'cks 59 together both end-to-end and side-by-side, the tongue 57 of each block 59, apart from blocks 59 in an outermost series of blocks 59, being matingly received in the groove 61 of a neighbouring block 59, tenon-and-mortise-fashion.
  • the lower landing beam 22 has a longitudinally extending rebate 63 in a surface of the landing beam 22 which faces horizontally away from the flight 62, the aligned tongues 57 of the series of slab blocks 59 adjacent the lower landing beam 22 being received matingly in the rebate
  • the upper landing beam 20 is located in position in a similar manner, by engagement of a longitudinally extending rebate 65 in the upper landing beam 20 with the aligned tongues 57 of the slab blocks 59 forming the landing 68 at the top of the flight 62 of stairs 17.
  • the reinforcing lattice or framework is formed by locating steel reinforcing rods (not shown) in the common cavity of each pair 40 of blocks 18, such that the rods horizontally span the width of the flight 62 of stairs 17, being transverse i to the I ngthwise direction of the stringer beams 14. Further, steel reinforcing rods
  • the reinforcing rods 70 which are fast with the stringer beams 14 are tied to the horizontal transverse rods extending lengthwise in the stair cavities, to form the reinforcing lattice or framework.
  • a similar reinforcing framework (not shown) is constructed in each of the grids of slab blocks 59.
  • the cementitious filler material in the case wet concrete 58 with a controlled minimum strength of 35Mpa at 28 days, is poured into the shuttering 1 1 to form the flight 62 of stairs 17, the lower cross-beam 22 is embedded in a concrete slab forming the foot 64 of the flight 62 of stairs 17.
  • the foot 64 is formed by the concrete 58 and by the slab blocks 59, the slab blocks 59, the lower ends of the stringer beams 14, and the lower landing beam 22 being incorporated into the foot
  • the upper landing beam 20, the upper ends of the stringer beams '14, and the slab blocks 59 at the upper level 13 are incorporated into a concrete slab forming the landing 68 at the top of the flight 62 of stairs 17, by cementitious bonding of the concrete 58 to the landing beam 20, to the upper ends of the stringer beams 14, and to the slab blocks 59 respectively.
  • the concrete 58 After pouring of the wet concrete 58, the concrete 58 is vibrated and trowelled to a desired finish, in the usual manner, and a sprayable curing compound is sprayed on to the concrete 58.
  • reference numeral 80 generally indicates a stair se which comprises a plurality of the flights 62 of stairs 1 described with reference to Figures 6 to 10. Unless otherwise indicated, like reference numerals indicate like parts in Figures 6-10 and in Figure 1 1 .
  • the staircase 80 comprises three flights 62 of stairs 17 connected together in series. As can be seen in Figure 1 1 , the upper level 13 of the lowest flight
  • successive flights 62 are at the same level as the lower level 12 of the central flight 62, while the upper level 13 of this central flight 62 is at the same level as the lower level 12 of the uppermost flight 62.
  • the successive flights 62 incline upwardly in opposite directions, such that the staircase 80 has a zig-zag shape in side elevation.
  • successive flights 62 can be inclined in the same direction.
  • the foot 64 of the central flight 62 and the landing 68 of the lowest flight 62 are formed by a single slab 82.
  • the foot 64 of the uppermost flight 62 and the landing of the central flight 62 are formed by another unitary slab 84.
  • the entire staircase 80 is thus incorporated into a unitary structure by cementitious bonding of the concrete 58 to the respective components which provide] shuttering for the staircase 80.
  • the modular kit eliminates the need for a separate supporting structure for use as shuttering, while the modular nature of the kit reduces the margin of error in constructing the flight of stairs, facilitating construction to set specifications. It is furthermore possible to construct flights of stairs of varying dimensions by varying the number and/or size and/or sfiape of the elements of the kit used in constructing the shuttering.
  • the width of the flight of stairs can for instance be varied by varying the number of stringer beams used, while the rake of the shuttering can be varied, even after assembly of the shuttering.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)

Abstract

Cette invention concerne une volée d'escalier comprenant une pluralité de marches successives entre un niveau inférieur (12) et un niveau supérieur (13). Cette volée d'escalier comprend un coffrage (11) fait d'une pluralité de poutres (14, 20, 22) préformées et une pluralité de panneaux ou des blocs (18) préformés maintenus par les poutres (14, 20, 22); et un matériau de remplissage à base de ciment pour le coffrage (11), ce dernier étant incorporé dans la volée d'escaliers par une liaison à base de ciment du matériau de remplissage dudit coffrage (11). L'invention concerne également un escalier comportant une pluralité de volées de marche et un bâtiment abritant ladite volée de marches. Elle porte également sur un jeu permettant de réaliser un coffrage (11) pour volée de marches selon l'invention et une technique de réalisation pour volée de marches.
PCT/IB2002/002185 2001-06-13 2002-06-13 Volee d'escalier WO2002100149A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002321679A AU2002321679A1 (en) 2001-06-13 2002-06-13 Flights of stairs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200104824 2001-06-13
ZA2001/4824 2001-06-13

Publications (2)

Publication Number Publication Date
WO2002100149A2 true WO2002100149A2 (fr) 2002-12-19
WO2002100149A3 WO2002100149A3 (fr) 2003-01-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20100018A1 (it) * 2010-02-02 2011-08-03 Metall Concept S R L Scala e metodo per la realizzazione di una scala.
FR3022277A1 (fr) * 2014-06-12 2015-12-18 T M P Convert Jou Plast Ensemble de coffrage perdu prefabrique pour escalier en beton
WO2021184540A1 (fr) * 2020-03-18 2021-09-23 常州工程职业技术学院 Système d'escalier complètement préfabriqué et procédé d'assemblage associé

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE809483C (de) * 1950-03-03 1951-07-30 Hermann Fiene Hohlstufentreppe aus Fertigbetonteilen fuer veraenderliche Steigungen
FR1216474A (fr) * 1958-11-26 1960-04-26 Perfectionnements aux escaliers en béton
FR2251685A1 (en) * 1973-11-16 1975-06-13 Weber Rene Prefabricated staircase - is made of straight and angled steps incorporating parts of the stringer
DE2705231A1 (de) * 1977-02-08 1978-08-10 Filigranbau Zentrale Fuer Tech Montagetreppe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE809483C (de) * 1950-03-03 1951-07-30 Hermann Fiene Hohlstufentreppe aus Fertigbetonteilen fuer veraenderliche Steigungen
FR1216474A (fr) * 1958-11-26 1960-04-26 Perfectionnements aux escaliers en béton
FR2251685A1 (en) * 1973-11-16 1975-06-13 Weber Rene Prefabricated staircase - is made of straight and angled steps incorporating parts of the stringer
DE2705231A1 (de) * 1977-02-08 1978-08-10 Filigranbau Zentrale Fuer Tech Montagetreppe

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20100018A1 (it) * 2010-02-02 2011-08-03 Metall Concept S R L Scala e metodo per la realizzazione di una scala.
EP2354366A1 (fr) 2010-02-02 2011-08-10 Metall Concept S.r.l. G.m.b.H. Escalier et métode pour sa réalisation
FR3022277A1 (fr) * 2014-06-12 2015-12-18 T M P Convert Jou Plast Ensemble de coffrage perdu prefabrique pour escalier en beton
WO2021184540A1 (fr) * 2020-03-18 2021-09-23 常州工程职业技术学院 Système d'escalier complètement préfabriqué et procédé d'assemblage associé
US11692356B2 (en) 2020-03-18 2023-07-04 Changzhou Vocational Institute Of Engineering Fully-assembled staircase system and assembly method

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