WO2011003198A1 - Panneau composite et panneau à double dalle et à goujons, et procédé - Google Patents

Panneau composite et panneau à double dalle et à goujons, et procédé Download PDF

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Publication number
WO2011003198A1
WO2011003198A1 PCT/CA2010/001072 CA2010001072W WO2011003198A1 WO 2011003198 A1 WO2011003198 A1 WO 2011003198A1 CA 2010001072 W CA2010001072 W CA 2010001072W WO 2011003198 A1 WO2011003198 A1 WO 2011003198A1
Authority
WO
WIPO (PCT)
Prior art keywords
web
concrete
embedment
openings
reinforcing
Prior art date
Application number
PCT/CA2010/001072
Other languages
English (en)
Inventor
Ernest Robert Bodnar
Original Assignee
Bodnar Ernest R
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 Bodnar Ernest R filed Critical Bodnar Ernest R
Publication of WO2011003198A1 publication Critical patent/WO2011003198A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452—H- or I-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0473—U- or C-shaped

Definitions

  • the invention relates to a composite panel formed of a concrete slab and sheet metal studs, and to a stud for such a panel, and to dual spaced apart concrete slabs bonded integrally with such studs in spaced apart relation , and a method of manufacture.
  • Construction panels known as "thin shell” panels have been known for some time. Such panels consist of a frame work of sheet metal reinforcing studs, and a slab of thin concrete , The studs have side edges which are partially embedded in the concrete. This provides an advantageous construction member.
  • the concrete provides a light weight economical wall and the sheet metal studs provide reinforcement.
  • the sheet metal studs enable interior dry wail to be attached , without the need for additional wall framing on the interior.
  • heating losses caused by thermal transmission through the studs prevent some thin shel! slab systems from achieving wide acceptance .
  • some of these simpler thin shell systems incorporated sheet metal studs which did not meet fire safety standards, and tended ⁇ o buckle when subjected to prolonged high temperatures.
  • This composite panel employed studs of an unusual design , having spaced apart openings .
  • This form of stud had reduced thermal transmission compared to plain solid web studs.
  • Studs of this type have a better fire rating than plain studs, which was another advantage.
  • This form of construction member provided dual slabs of thin shell concrete. Both slabs were reinforced by sheet metal studs, extending between the two slabs.
  • This form of construction had greater strength , which was advantageous for forming , for example , floors or walls , of greater strength.
  • thermal insulation could be incorporated as a sandwich between the two slabs.
  • Such a stud should be capable to being made with a single embedment edge for use with a single concrete slab, leaving a side flange on the other edge of the stud, for attachment of interior wall finishes, eg. Dry wall.
  • Thermal insulation may be placed between the studs in exterior walls. Et is also desirable to make such an improved stud with two embedment edges , for use with dual concrete slabs.
  • each said sheet rnetai reinforcing stud comprises, a sheet metal web, a plurality of main web openings formed at spaced intervals and defining ribs between said main web openings, rib openings at the ends of each rib , rib flanges around the rib openings, web flanges ?
  • each said main web opening substantially normal to the plane of said web, reinforcing channels formed by additional bends in some said web flanges , extending along opposite sides of said web main openings, side flanges formed along each side of said web , an embedment strip formed along one said side flange , concrete flow openings in said embedment strip at spaced intervals, and a lock strip formed on said embedment strip.
  • the stud will have embedment strips along both said sides of said web, and poncrete ffow openings therein, and lock strips along both such embedment strips.
  • the main web openings are formed with four radiussed corners, and with four linear sides extending between the corners.
  • two of the linear sides will be spaced apart and parallel to each other and parallel to the side edges of the web, and including inner flanges formed on said linear sides, and bends in said inner flanges forming the same into generally three-sided reinforcing channels.
  • the other two linear sides will be provided with generally triangular flange
  • the web is formed with lengthwise indentations, running between the web m ⁇ ain openings and the web side flanges .
  • the side flanges are also provided with lengthwise indentations .
  • the web is formed with said side flanges extending out to a first side of said web and with concrete flow openings in said web adjacent to said side flanges , and said concrete flow openings being formed by punching out portions of sasd web so as to deflect locking tab portions extending outwardly to a second side of said web, in a plane generally co planar with said side flanges, for embedment in said concrete.
  • the invention also provides a method of making a dual slab composite panel, by oouring a first pane!, and embedding a grid of studs having first and second
  • Figure 1 is a schematic perspective of a composite construction panel, showing a single concrete slab, and a plurality of steel reinforcing studs;
  • Figure 2 is a perspective of a stud for reinforcing a single slab
  • Figure 3 is a cut away side elevation of slab and single stud , of Fig 2;
  • Figure 4 is a side elevation of a stud for reinforcing a dual slab composite panel
  • Figure 5 is a section along line 5-5 of Fig 4;
  • Figure 6 is a perspective of a dual slab composite panel
  • 'Fjguire 7 is a section along line 7-7 of Fig 6;
  • Figure 8 is a perspective of a further embodiment of stud for a dual slab composite 'panel.
  • Figure 9 is a section along line 9 - 9 of Fig 8.
  • FIG. 1 is a schematic illustration of a typical thin she!! composite panel (P ) to which the invention relates.
  • St comprises a concrete slab (C ) and a plurality of sheet metal reinforcing studs (S ), arranged in parallel spaced apart relation. Portions of the sheet metal reinforcing studs (S ) are embedded in the concrete slab (C ) .
  • top (and bottom) members (M ) are attached to the top and bottom ends of the sheet metal reinforcing studs (S ) , so as to hold the sheet metal reinforcing studs (S ) in a predetermined parallel relation prior to embedment in the concrete slab (C ) .
  • the top and bottom members (M ) will typica ⁇ y be simple sheet metal C-sections , with the ends of the sheet metal reinforcing studs (S ) being received within in the C-section shapes.
  • the invention relates to an improved thin she!! composite panel member using an improved sheet metal reinforcing stud having advanced features.
  • the invention further relates to providing a thin shell composite panel member which has dual concrete slabs
  • the sheet metal reinforcing studs (10 ) are shown in Fig 2 and 3.
  • Stud (10 ) has a sheet metal web (12 ) of planar sheet metal.
  • Main web openings (14 ) are punched out of sheet metal web (12 ) at spaced intervals.
  • Each main web opening (14 ) in this embodiment is of generally four sided quadrilateral shape. It has two linear parallel sides (16 and 18), one being shorter and the other longer , and spaced apart and parallel with one another, and aligned with the longitudinal axis (20 ) of the sheet metal web (12 ) .
  • the main web openings (14 ) have two non parallel linear sides (22 and 24 ) , extending diagonally from side to side of the
  • the four sides are joined by radiussed corners (26 ) .
  • web flanges (28 ) integral with the metal of the sheet metal web (12 ) .
  • the web flanges (28 ) are formed with a first bend (30 ) normal to the plane of the sheet metal web (18 ) , and with a second bend (32 ) bending that portion into a plane parallel to the plane of sheet metal web (18 ) .
  • This two bends form toe web flanges (28 ) into axial reinforcing channels extending along the longitudinal axis (20) of the sheet metal web (12 ) .
  • ribs (36 ) extend diagonally from side to side on the sheet metal web (12 ) .
  • Rib flanges (38 ) extend along each side edge of each of ribs (36 ) being bent substantially normal to the plane of sheet metal web (12 ) .
  • portions (40 ) are formed on rib flanges (38 ) intermediate their ends, for additional reinforcement, being highest at a mid point, and tapering down at each end.
  • the sheet metal that is deliberately left in the sheet metal reinforcing stud (10 ) such as the ribs (36 ) , the iinear parallel sides (22 ) and the non parallel linear sides (24 ) , and the channels formed by web flanges (28) all contribute to giving the sheet metal reinforcing stud (10 ) greater strength to accommodate the stresses in use, while contributing little or nothing to increasing thermal transmissions across the sheet metal reinforcing stud (14 )
  • rehforcing stud (10 ) is formed with rib openings (42 ) punched through the sheet metal web (12 ) at each end of each of ribs (36 ) .
  • These rib openings (42 ) are formed with annular flanges (44 ) around each rib opening (42 ) , for greater strength.
  • a side flange (46 ) formed normal to the plane of sheet metal web (18 ) , and a lip (48 ) is formed on the free edge of side flange (46 ) for reinforcement.
  • Such a side flange may be used for attachment of interior wail finishing materia!, typically dray wall panels, or the like (not shown).
  • Lengthwise flange indentations (50 ) are formed in side flanges (46 ) to provide greater strength. Such indentations also assist in the fastening of wall finishing panels. The indentations serve the additional function of guiding dry wall screws (not shown), if such are used.
  • a partial flange (52 ) is formed along the other side edge of sheet metal web (12 ) .
  • Partia! flange (52 ) has an embedment wail (54 ) formed on its free edge.
  • Embedment wall (54 ) is bent outwardly at a non-right angle.
  • a locking strip (58 ) is formed along the free ecge of embedment wall (54 ) .
  • the locking strip (58 ) is bent at an angle to the embedment wall (54 ) . in this way the entire locking strip (58 ) can be immersed in the concrete material of slab (60) , and the embedment waf! (54 ) can be at least partially embedded, with concrete flowing through the concrete flow openings (58 ) .
  • the entire concrete slab (60 ) and studs , forming the composite panel can be reinforced, and the composite panel can then be securely fastened in position, typically forming an exterior wa ⁇ of a building.
  • Lengthwise web indentations (62 ) are formed along the sheet metal web (12 ), for still greater strength
  • the sheet metal reinforcing studs (10 ) also provide load bearing support for upper floors, at least up to a certain predetermined number of floors.
  • the various flanges (30) fo ⁇ ning reinforcing channels and the lengthwise indentations (50 ) and (62 ) all contribute to provide excellent load bearing properties.
  • main web opening (14 ) and rib openings (42 ) ensure that the sheet metal reinforcing studs (10 ) have a !ow thermal conductivity across their width, thus preventing the development of cold spots , known as ghosting , on the interior walls.
  • a sheet metai reinforcing stud (70 ) having two partial flanges(72-74 ) , one along each side of the sheet metal reinforcing stud (70 ) , and having two embedment walls (76-78 ) , and two lock strips (80-82 ) ,on respective embedment walls (76-78).
  • the sheet meta! reinforcing stud (70 ) has a similar sheet metal web (84 ) and main web openings (86 ) as the Fig 2 embodiment .
  • sheet metal reinforcing stud (70 ) can then be used to fabricate a thin shell composite panel member (104 ) with two concrete slabs (106-108 ), as
  • the two concrete slabs (106-108 ) are spaced apart , being connected to the respective embedment strip (76-78 ) and lock strip (80-82 ) on opposite side edges of the same sheet metal reinforcing stud (70 ) .
  • this dual slab thin shell composite pane! member comes in part from the embedment of each of the embedment strip and lock strip in its respective concrete slab (106-108 ) .
  • the concrete slabs (106-108 ) are effectively joined together, although separate, and are both reinforced by the same sheet metal reinforcing stud (70 ) .
  • This embodiment can be used for much heavier duty applications such as flooring , roofing , and for erecting walls where much greater strength is required than can be achieved in a thin shell composite panel member (10 ) with on!y a single
  • dL a ⁇ concrete slabs (106-108 ) can be achieved in two ways.
  • the first method is simply to pour a first concrete slab (106 ) and then lower a grid of sheet metal reinforcing studs (70 ) down onto the concrete slab (106 ), so that the first lock strip (80 ) and embedment wall (76 ) become immersed in the concrete
  • the entire assembly could then be lifted and rotated over.
  • the second concrete slab (108 ) can then be poured, and the second lock strip (82 ) and embedment wall (78 ) can then be immersed in the second concrete slab (108 ) .
  • the dual slab thin shell composite panel member (104 ) be formed by simply pouring the first concrete slab (106 ) . Then the first embedment walls (76) of the sheet metal reinforcing studs (70 ) are immersed in the first slab (106).
  • thermal insulation blocks (110 ) are inserted between the sheet metal reinforcing studs (70 ), leaving the second embedment walls (78) exposed above the insulation blocks. Then the second concrete slab (108 ) can be poured directly over the thermal insulation blocks (110 ) , covering and immersing the second embedment walls (78 ) and second lock strips (82 ) .
  • This second method reduces handling and repositioning of the product , and also provide the interior of the thin shell composite pane! member (104 ) with thermal msuiation incorporated directly into it as part of the manufacturing process.
  • FIG. 8 A further embodiment of reinforcing stud (120 ) is shown in Figs 8 and 9.
  • the stud has a sheet metal web (122 ) , with main openings (124 ) and channels ( 126) afong opposed linear sides of the openings.
  • Diagonal ribs (128 ) extend between openings (124 ) .
  • Rib openings (130 ) are formed at each end on each rib (128 ) .
  • Lengthwise indentations (132 ) extend along web (122 ) . Ail of these features are sim ⁇ ar to the same features in the Fig 4 and 5 embodiment .
  • Web (122 ) is somewhat wider than the web of the stud in Figs 4 and 5, for reasons explained below.
  • the embodiment differs from the Fig 4 and 5 embodiment in that there are two web flanges (134 ) and (136 ) formed along opposite side edges of the web (122 ) Web flanges (134-138 ) are bent normal to the plane of web (120 ) . Lengthwise
  • indentations (138 ) are formed along web flanges (134-136 ) .
  • Concrete flow openings (140 ) and (142 ) are formed through web (122 ) along the junction with web flanges (134-136 ) .
  • the concrete flow openings are formed by punching out generally trapezoidal locking tabs (144 ) .
  • Locking tabs (144 ) are bent out norma- to the plane of web (122 ) , and extend in a direction opposite to the direction of Web flanges (134-136 ), but lie in a common plane with web flanges (134-136 ) .
  • the embodiment of stud may be used in forming dual slab composite panels, similar to panels shown in Fig 6 and 7 .
  • the entire web flange and locking tabs along each edge of the stud may be immersed and embedded in respective slabs of concrete.
  • the extra width of the web provides a sufficient depth of the web along each edge to accommodate the thickness of the concrete slab on each side.
  • this stud can also be used, for reinforcing a single slab .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Panels For Use In Building Construction (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

L'invention porte sur un panneau composite à coque mince qui possède une dalle de béton et des goujons de renfort en feuille métallique, partiellement incorporés dans la dalle à des emplacements mutuellement espacés, chaque goujon de renfort en tôle métallique ayant une paroi en feuille métallique, une pluralité d'ouvertures principales de paroi formées à intervalles espacés, ainsi que des nervures et des ouvertures de nervure aux extrémités de chaque nervure, des brides de nervure autour des ouvertures de nervure, des brides de paroi formées autour de chaque ouverture de paroi principale. Ledit panneau est caractérisé par de canaux de renfort formés le long de côtés opposés des ouvertures principales de paroi, des brides latérales formées le long de chaque côté de la paroi, une bande d'incorporation formée le long d'une bride latérale, et des ouvertures d'écoulement de béton dans la bande d'incorporation.
PCT/CA2010/001072 2009-07-10 2010-07-09 Panneau composite et panneau à double dalle et à goujons, et procédé WO2011003198A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,671,647 2009-07-10
CA 2671647 CA2671647A1 (fr) 2009-07-10 2009-07-10 Panneau composite constitue de montants et de plaques jumelees, et methode applicable

Publications (1)

Publication Number Publication Date
WO2011003198A1 true WO2011003198A1 (fr) 2011-01-13

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ID=43428714

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2010/001072 WO2011003198A1 (fr) 2009-07-10 2010-07-09 Panneau composite et panneau à double dalle et à goujons, et procédé

Country Status (3)

Country Link
AR (1) AR077560A1 (fr)
CA (1) CA2671647A1 (fr)
WO (1) WO2011003198A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105881698A (zh) * 2015-01-26 2016-08-24 任丘市永基建筑安装工程有限公司 双层保温屋顶板预制技术
US11725386B2 (en) 2020-01-16 2023-08-15 Simpson Strong-Tie Company Inc. Serrated beam
US11028573B1 (en) * 2020-01-16 2021-06-08 Novel Structures, LLC Serrated beam

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374316A1 (fr) * 1988-12-21 1990-06-27 Ernest R. Bodnar Montant métallique
US20030014934A1 (en) * 2001-07-18 2003-01-23 Bodnar Ernest R. Sheet metal stud and composite construction panel and method
WO2006069435A1 (fr) * 2004-12-27 2006-07-06 Gcg Holdings Ltd. Systeme de plancher comprenant des poutrelles en acier comportant des ouvertures avec des formations laterales et procede associe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374316A1 (fr) * 1988-12-21 1990-06-27 Ernest R. Bodnar Montant métallique
US20030014934A1 (en) * 2001-07-18 2003-01-23 Bodnar Ernest R. Sheet metal stud and composite construction panel and method
WO2006069435A1 (fr) * 2004-12-27 2006-07-06 Gcg Holdings Ltd. Systeme de plancher comprenant des poutrelles en acier comportant des ouvertures avec des formations laterales et procede associe

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Publication number Publication date
CA2671647A1 (fr) 2011-01-10
AR077560A1 (es) 2011-09-07

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