WO2002038885A1 - Support metallique - Google Patents
Support metallique Download PDFInfo
- Publication number
- WO2002038885A1 WO2002038885A1 PCT/AU2001/001446 AU0101446W WO0238885A1 WO 2002038885 A1 WO2002038885 A1 WO 2002038885A1 AU 0101446 W AU0101446 W AU 0101446W WO 0238885 A1 WO0238885 A1 WO 0238885A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal decking
- decking member
- web
- adjacent
- pair
- Prior art date
Links
Classifications
-
- 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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
-
- 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
- E04C2/08—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 metal, e.g. sheet metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
- E04D3/30—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/366—Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips
Definitions
- the present invention relates generally to metal decking and relates particularly, though not exclusively, to a metal decking member for concrete clad roofing or flooring.
- a metal decking member being elongate and of a C-section profile including a web and a pair of opposing flanges each including a longitudinally extending rib being configured wherein said rib can interlock with an adjacent rib of an adjacent metal decking member.
- the opposing pair of longitudinally extending ribs are in transverse cross-section shaped complementary to and are substantially aligned with one another. More preferably said pair of ribs protrude inwardly and outwardly, respectively, of the decking member.
- the opposing pair of ribs are in transverse cross-section shaped wherein adjacent interlocked ribs reside within one another to prevent lateral separation of the adjacent metal decking members. More preferably the outwardly protruding rib of one decking member resides within an inwardly protruding rib of an adjacent decking member.
- a metal decking member being elongate and of a C-section profile including a web and a pair of opposing flanges, one of said pair of opposing flanges being of a lower stiffness relative to the other of said pair of opposing flanges.
- the lower stiffness of said one of the flanges is provided by a reduction in the surface area of said one flange relative to the other flange.
- the opposing flanges each include a longitudinally extending rib being configured wherein said rib can interlock with an adjacent rib of an adjacent metal decking member.
- the metal decking member is of the C- section profile wherein the opposing flanges each having inwardly directed portions. More preferably a free edge portion of each of the inwardly directed portions includes a lip return disposed parallel to the corresponding flange .
- each of the flanges includes one or more openings. More preferably said one or more openings are defined by longitudinally extending slits formed in the inwardly directed portions which are deformed out of the plane of the corresponding flange. The openings assist in the venting of air which would otherwise be "trapped" as air pockets within the flanges when pouring concrete across the decking member.
- the metal decking member is one of a plurality of metal decking members arranged alongside one another to together form metal decking.
- the web is longitudinally precambered inwardly of the metal decking member. It has been found that longitudinal precambering of the web is effective in increasing the unsupported span of the metal decking member .
- the longitudinal precamber is up to about 2% measured as the maximum longitudinal offset of the web from a substantially flat plane and expressed as a percentage relative to the length of the web. More preferably the longitudinal precamber is between about 0.4% to 1%. In one embodiment this equates to a precamber of between about 20 to 50 mm for an unsupported span of 5 metres .
- the web in transverse section is precambered inwardly of the metal decking member. More preferably the transverse pre-camber is up to about 5% measured as the maximum offset of the web from a substantially flat plane and expressed as a percentage relative to the width of the web. Still more preferably the transverse pre-camber is between about 1% to 4%.
- Figure 1 is a sectional view of one embodiment of a metal decking member according to the invention.
- Figure 3 is a perspective view of a further embodiment of metal decking according to the invention.
- a metal decking number 10 being elongate and of a C-section profile including a web 12 and a pair of opposing flanges 14 and 1G, respectively.
- the metal decking member 10 is one of a plurality of decking members such as 10 and 18 located alongside one another to together form metal decking 20 (see Figure 2) .
- the metal decking 20 is designed to be embedded or clad in a concrete slab so as to form a roof or floor.
- similar components of the embodiments of the metal decking members 10 of Figures 1 and 2 have been designated with the same reference numerals.
- the adjacent metal decking members such as 10 are of an identical cross-sectional shape being of the C-section profile wherein opposing flanges each include inwardly directed portions 22 and 24. Additionally, each of the inwardly directed portions 22 and 24 include a respective lip return 26 and 28 which is either turned back toward or disposed generally parallel to the corresponding flange 14 or 16.
- the flanges 14 and 16 include respective longitudinally extending ribs 30 and 32.
- the longitudinal ribs 30 and 32 are configured so that adjacent ribs of adjacent decking members interlock to prevent lateral and vertical separation of the metal decking members such as 10 and 18. This interlocking of the ribs 30 and 32 eliminates the need for fasteners to secure adjacent decking members such as 10 and 18 together.
- interlocking of the ribs such as 30 and 32 is provided by having the ribs 30 and 32 shaped complementary to and substantially aligned with one another so that one of the ribs such as 30 resides within the other rib 32.
- the metal decking member 10 of Figure 1 includes a pair of generally C-shaped ribs 30 and 32 which protrude outwardly and inwardly, respectively, of the decking member 10.
- the C-shaped ribs 30 and 32 are formed in an upright portion of the respective flange 14 and 16.
- the decking members such as 10 and 18 of Figure 2 include the longitudinal ribs 30 and 32 within the flange adjacent the juncture of the upright portion and the inwardly directed portion of the flange 14 or 16.
- the ribs 14 and 16 are in this example generally U-shaped in transverse cross-section.
- the ribs 30 and 32 of both embodiments are roll formed in the respective flange 14 and 16.
- Conventional metal decking members are generally of an asymmetric configuration wherein opposing flanges are turned inward and outward respectively.
- the conventional metal decking is formed by overlapping adjacent flanges.
- the tendency for conventional metal decking is to fail under load wherein the adjacent overlapping flanges collapse or rotate toward the web of one of the decking members. It is understood that the abutting or interlocking flanges of adjacent metal decking members of this embodiment of the invention are less vulnerable to failure in this manner.
- the load of concrete within the metal decking member such as 18 forces interlocking engagement of the less stiff flange 16 with the flange 14 of the adjacent decking member 10.
- the adjacent metal decking members 10 and 18 are thus "tied” together without the need for a fastener which is onerous.
- the inwardly directed portions 22 and 24 may include openings to allow air to vent from the flanges when concrete is poured across the metal decking. The air may otherwise be trapped as air pockets particularly within the area enclosed by the lip returns 26 and 28 of the inwardly directed portions 22 and 24, respectively.
- the openings are formed by a plurality of longitudinally extending slits in the inwardly directed portions 22 and 24 which are pressed upward out of the plane of the respective flange.
- the slits are formed as transversely spaced pairs each of a length of about 8 mm and the adjacent inwardly directed portion such as 22 is pressed about 3 mm out of the plane of the respective flange.
- the slits formed in the flanges also promote the engagement of concrete with the decking member .
- Figure 3 illustrates a further embodiment of the invention where the web 16 of the metal decking member 12 is longitudinally pre-cambered inwardly of the metal decking member 12.
- the metal decking member which ordinarily is embedded in a concrete slab (not shown) is thus capable of spanning an increased distance unsupported.
- the precamber of the web 16 is in this example about 0.6% measured as the maximum longitudinal offset of the web from a substantially flat plane and expressed as a percentage relative to the length of the web 16. It is understood that the longitudinally precambered web 16 is at least partly deflected toward the flat plane under the significant weight of the concrete slab.
- the web 16 of the metal decking member 12 may also be pre-cambered in transverse sectional profile inwardly.
- the transverse precamber of the web 16 in this example is approximately 2% measured as the maximum offset of the web 16 from a substantially flat plane and expressed as a percentage relative to the width of the web 16.
- the metal decking member 12 has a width of approximately 300 mm and is roll formed from sheet metal of a thickness of about 1.2 mm.
- the longitudinal ribs of the opposing flanges may vary in configuration provided they permit interlocking of adjacent decking members.
- the less stiff flange may vary in constructions from that described provided it promotes interlocking of adjacent flanges of adjacent decking members.
- the web is longitudinally and/or transversely precambered inwardly of the decking member whereby it can span increased distances unsupported. All such variations and modifications are to be considered within the ambit of the present invention the nature of which is to be determined from the foregoing description.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Road Paving Structures (AREA)
- Metal Rolling (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002223268A AU2002223268B2 (en) | 2000-11-08 | 2001-11-08 | Metal decking |
AU2326802A AU2326802A (en) | 2000-11-08 | 2001-11-08 | Metal decking |
EP01993732A EP1337723A4 (fr) | 2000-11-08 | 2001-11-08 | Support metallique |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPR1303A AUPR130300A0 (en) | 2000-11-08 | 2000-11-08 | Metal decking |
AUPR1303 | 2000-11-08 | ||
AUPR2285A AUPR228500A0 (en) | 2000-12-22 | 2000-12-22 | Metal decking |
AUPR2285 | 2000-12-22 | ||
AUPR2286A AUPR228600A0 (en) | 2000-12-22 | 2000-12-22 | Metal decking |
AUPR2286 | 2000-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002038885A1 true WO2002038885A1 (fr) | 2002-05-16 |
Family
ID=27158253
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2001/001446 WO2002038885A1 (fr) | 2000-11-08 | 2001-11-08 | Support metallique |
PCT/AU2001/001447 WO2002038880A1 (fr) | 2000-11-08 | 2001-11-08 | Support metallique |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2001/001447 WO2002038880A1 (fr) | 2000-11-08 | 2001-11-08 | Support metallique |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1337723A4 (fr) |
CN (2) | CN1227427C (fr) |
AU (4) | AU2002213679B2 (fr) |
HK (1) | HK1059953A1 (fr) |
MY (2) | MY129012A (fr) |
TW (2) | TW531588B (fr) |
WO (2) | WO2002038885A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004085085A1 (fr) * | 2003-03-27 | 2004-10-07 | Bluescope Steel Limited | Appareil de formage pour sections metalliques prebombees |
WO2007056833A1 (fr) * | 2005-11-21 | 2007-05-24 | Bluescope Steel Limited | Dalle de beton coulee sur place |
WO2009062298A1 (fr) * | 2007-11-13 | 2009-05-22 | Casata Technologies Inc. | Revêtements architecturaux pour applications destinées aux planchers extérieurs surélevés |
US20160289982A1 (en) * | 2013-06-26 | 2016-10-06 | Inhabit Studio Limited | Formwork element |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU782668B2 (en) * | 2001-01-17 | 2005-08-18 | Bluescope Steel Limited | Roof panels |
ATE288002T1 (de) * | 2002-10-11 | 2005-02-15 | Poly Metal Mcr Establishment | Bauteil aus einer mehrzahl von blechkassetten |
GB0714255D0 (en) * | 2007-07-20 | 2007-08-29 | Wernick Buildings Ltd | Modulator building system |
ITBA20080027A1 (it) * | 2008-07-29 | 2010-01-29 | Corsaro & Lisco Ferroprofili S P A | Pianale per pedane elettro-idrauliche, costituito da una pluralita' di elementi modulari in acciaio ad elevata resistenza e basso spessore, formati a freddo, assemblabili tra loro senza la necessita' di effettuare operazioni di saldatura |
CN107829529A (zh) * | 2017-11-10 | 2018-03-23 | 中铁第四勘察设计院集团有限公司 | 一种侧向连接的屋面底板及屋面板系统 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU237706B2 (en) * | 1959-09-23 | 1960-03-24 | Charles Aquila Vincent Smith | Frameless building assembly of flanged panels |
US3902288A (en) * | 1972-02-14 | 1975-09-02 | Knudson Gary Art | Arched roof self-supporting building |
WO1986000363A1 (fr) * | 1984-06-28 | 1986-01-16 | Wade Hylton Blazley | Assemblage de panneaux de construction |
FR2641812A1 (fr) * | 1988-12-22 | 1990-07-20 | Profilafroid Sa | Profile, notamment metallique, pour la constitution de structures telles que planchers autoportants et parois, et structure obtenue |
WO1997040243A1 (fr) * | 1996-04-22 | 1997-10-30 | Bhp Steel (Jla) Pty. Ltd. | Element de revetement |
EP0606146B1 (fr) * | 1993-01-07 | 1998-08-12 | Hunter Douglas Industries B.V. | Système de panneaux et élément de panneau à ce but |
WO2000063504A1 (fr) * | 1999-04-19 | 2000-10-26 | Dampa Aps | Panneau pour plafond |
JP2001152674A (ja) * | 1999-11-26 | 2001-06-05 | Suzutou Kk | 仮囲い用パネルの取付金具 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2180317A (en) * | 1939-05-27 | 1939-11-14 | American Cyanamid & Chem Corp | Metal decking |
DE823500C (de) * | 1945-11-14 | 1951-12-03 | Henri Guelain | Geschossdecke fuer Gebaeude in Metallkonstruktion |
FR1311704A (fr) * | 1962-01-23 | 1962-12-07 | Fond S | Procédé de construction de dalles en béton armé |
FR90968E (fr) * | 1966-05-25 | 1968-03-22 | Union De Travaux Et D Entpr S | Armature-coffrage pour planchers en béton armé |
US3462906A (en) * | 1967-07-13 | 1969-08-26 | Patrick L Schroyer | Coupled channel panelling for ceilings,roofs,siding and the like |
GB1249765A (en) * | 1969-06-19 | 1971-10-13 | Alcan Res & Dev | Improvements in wall or ceiling panels |
US4424652A (en) * | 1980-10-31 | 1984-01-10 | Turner Arthur R | Pre-cambered steel beam |
US4882889A (en) * | 1987-02-26 | 1989-11-28 | Monier Limited | Composite structures |
FI91181C (fi) * | 1992-07-01 | 1994-05-25 | Rautaruukki Oy | Teräsbetoninen liittorakenne |
JP2000129847A (ja) * | 1998-10-22 | 2000-05-09 | Sumitomo Metal Steel Products Inc | 床パネル及びその製造方法 |
-
2001
- 2001-11-07 TW TW90127651A patent/TW531588B/zh not_active IP Right Cessation
- 2001-11-07 TW TW90127652A patent/TW503295B/zh active
- 2001-11-08 WO PCT/AU2001/001446 patent/WO2002038885A1/fr not_active Application Discontinuation
- 2001-11-08 AU AU2002213679A patent/AU2002213679B2/en not_active Ceased
- 2001-11-08 AU AU2002223268A patent/AU2002223268B2/en not_active Ceased
- 2001-11-08 WO PCT/AU2001/001447 patent/WO2002038880A1/fr not_active Application Discontinuation
- 2001-11-08 CN CN 01818570 patent/CN1227427C/zh not_active Expired - Fee Related
- 2001-11-08 MY MYPI20015151 patent/MY129012A/en unknown
- 2001-11-08 AU AU1367902A patent/AU1367902A/xx active Pending
- 2001-11-08 EP EP01993732A patent/EP1337723A4/fr not_active Withdrawn
- 2001-11-08 CN CN 01818556 patent/CN1252363C/zh not_active Expired - Fee Related
- 2001-11-08 AU AU2326802A patent/AU2326802A/xx active Pending
- 2001-11-08 MY MYPI20015150 patent/MY129013A/en unknown
-
2004
- 2004-04-21 HK HK04102791A patent/HK1059953A1/xx not_active IP Right Cessation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU237706B2 (en) * | 1959-09-23 | 1960-03-24 | Charles Aquila Vincent Smith | Frameless building assembly of flanged panels |
US3902288A (en) * | 1972-02-14 | 1975-09-02 | Knudson Gary Art | Arched roof self-supporting building |
WO1986000363A1 (fr) * | 1984-06-28 | 1986-01-16 | Wade Hylton Blazley | Assemblage de panneaux de construction |
FR2641812A1 (fr) * | 1988-12-22 | 1990-07-20 | Profilafroid Sa | Profile, notamment metallique, pour la constitution de structures telles que planchers autoportants et parois, et structure obtenue |
EP0606146B1 (fr) * | 1993-01-07 | 1998-08-12 | Hunter Douglas Industries B.V. | Système de panneaux et élément de panneau à ce but |
WO1997040243A1 (fr) * | 1996-04-22 | 1997-10-30 | Bhp Steel (Jla) Pty. Ltd. | Element de revetement |
WO2000063504A1 (fr) * | 1999-04-19 | 2000-10-26 | Dampa Aps | Panneau pour plafond |
JP2001152674A (ja) * | 1999-11-26 | 2001-06-05 | Suzutou Kk | 仮囲い用パネルの取付金具 |
Non-Patent Citations (2)
Title |
---|
"The standard mill shapes rolled", ROLTECH. INDUSTRIES INC., XP002994677, Retrieved from the Internet <URL:http://www.roltech.com/rolled.htm> [retrieved on 20020103] * |
See also references of EP1337723A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004085085A1 (fr) * | 2003-03-27 | 2004-10-07 | Bluescope Steel Limited | Appareil de formage pour sections metalliques prebombees |
US7310984B2 (en) | 2003-03-27 | 2007-12-25 | Bluescope Steel Limited | Forming apparatus for precambered metal sections |
WO2007056833A1 (fr) * | 2005-11-21 | 2007-05-24 | Bluescope Steel Limited | Dalle de beton coulee sur place |
WO2009062298A1 (fr) * | 2007-11-13 | 2009-05-22 | Casata Technologies Inc. | Revêtements architecturaux pour applications destinées aux planchers extérieurs surélevés |
US20160289982A1 (en) * | 2013-06-26 | 2016-10-06 | Inhabit Studio Limited | Formwork element |
Also Published As
Publication number | Publication date |
---|---|
CN1473230A (zh) | 2004-02-04 |
AU2002213679B2 (en) | 2006-04-13 |
EP1337723A1 (fr) | 2003-08-27 |
AU2002223268B2 (en) | 2007-04-05 |
CN1473229A (zh) | 2004-02-04 |
EP1337723A4 (fr) | 2006-01-25 |
HK1059953A1 (en) | 2004-07-23 |
MY129012A (en) | 2007-03-30 |
TW503295B (en) | 2002-09-21 |
WO2002038880A1 (fr) | 2002-05-16 |
AU1367902A (en) | 2002-05-21 |
TW531588B (en) | 2003-05-11 |
CN1252363C (zh) | 2006-04-19 |
CN1227427C (zh) | 2005-11-16 |
AU2326802A (en) | 2002-05-21 |
MY129013A (en) | 2007-03-30 |
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