CN1473230A - Metal decking - Google Patents

Metal decking Download PDF

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Publication number
CN1473230A
CN1473230A CNA018185703A CN01818570A CN1473230A CN 1473230 A CN1473230 A CN 1473230A CN A018185703 A CNA018185703 A CN A018185703A CN 01818570 A CN01818570 A CN 01818570A CN 1473230 A CN1473230 A CN 1473230A
Authority
CN
China
Prior art keywords
metal decking
spare
flange
rib
web
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
CNA018185703A
Other languages
Chinese (zh)
Other versions
CN1227427C (en
Inventor
坎贝尔・J・塞科姆
坎贝尔·J·塞科姆
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.)
BHP STEEL (RP) PTY Ltd
BHP Steel JLA Pty Ltd
Original Assignee
BHP STEEL (RP) PTY Ltd
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
Priority claimed from AUPR1303A external-priority patent/AUPR130300A0/en
Priority claimed from AUPR2285A external-priority patent/AUPR228500A0/en
Priority claimed from AUPR2286A external-priority patent/AUPR228600A0/en
Application filed by BHP STEEL (RP) PTY Ltd filed Critical BHP STEEL (RP) PTY Ltd
Publication of CN1473230A publication Critical patent/CN1473230A/en
Application granted granted Critical
Publication of CN1227427C publication Critical patent/CN1227427C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38Floor 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
    • E04B5/40Floor 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/08Building 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/24Roof 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
    • E04D3/30Roof 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36Connecting; Fastening
    • E04D3/366Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Road Paving Structures (AREA)
  • Metal Rolling (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

The present invention relates generally to metal decking 10 including a pair of adjacent metal decking members 12 and 14 located alongside one another. The adjacent metal decking members 12 and 14 are of an identical cross-sectional shape being elongate and of a C-section profile. The C-section metal decking member 12 includes a web 16 and a pair of opposing flanges 18 and 20, respectively. The web 16 of the metal decking member 12 is longitudinally pre-cambered inwardly of the metal decking member 12. The metal decking member 12 which ordinarily in a concrete slab (not shown) is thus capable of spanning an increased distance unsupported.

Description

Metal decking
Technical field
The present invention relates generally to a kind of metal decking, specifically but not exclusively relate to a kind of roof that cement covers or metal decking on floor of being used for.
Summary of the invention
According to an aspect of the present invention, a kind of metal decking long and narrow, C tee section profile is provided, it comprises web and a pair of opposed flange, and each flange comprises the rib of longitudinal extension, wherein said rib be configured to its can with the adjacent rib interlocking of adjacent metal paving element.
Preferably, the shape complementarity of the cross section of the paired opposed rib of longitudinal extension, and aligned with each other substantially.More preferably, described paired rib is outstanding to the inboard and the outside of paving element respectively.
Preferably, the cross-sectional configurations of paired opposed rib becomes the rib of adjacent interlocking can be resided in inside each other, thereby prevents adjacent metal paving element lateral separation.More preferably, the outwards outstanding rib of a paving element resides in the inwardly outstanding rib of adjacent paving element.
According to a further aspect in the invention, provide a kind of metal decking spare long and narrow, C tee section profile, it comprises web and a pair of opposed flange, and one rigidity in the described a pair of opposed flange is less than in the described a pair of opposed flange another.
Usually, make its rigidity less by the surface area that reduces relative another flange in the described flange.
Preferably, in the described a pair of opposed flange is suitable for the adjacent ribs interlocking with adjacent paving element.
Preferably, each in the opposed flange comprises the rib of longitudinal extension, and described rib is configured to the adjacent rib interlocking with the adjacent metal paving element.
Preferably, this metal decking spare is a C tee section profile, and wherein, each opposed flange has the part in pointing to.The free edge of the part in more preferably, each points to comprises that partly the lip that is parallel to the respective flanges setting is curved.
Preferably, the part in the sensing of each flange comprises one or more openings.More preferably, described one or more openings are limited by slit in the part that is formed in pointing to, longitudinal extension, the part generation deformation that this sensing is interior and being in outside the plane of respective flanges.When casting cement on the paving, this opening help to drain if be not provided with opening then can " long-pending falling into " in flange and become the air of air pocket.
Usually, described metal decking spare is that a plurality of sides each other connect layout with one in the paving element that forms metal decking together.
Have been found that with structure substantially the adjacent ribs of the adjacent metal paving element of symmetry fix or interlocking can limit or stop subsiding of flange or rotates.In the conventional metals paving, paving element is symmetrical, and each adjacent ribs inwardly and the neighboring edge of outside sweep partly overlap each other, therefore, because the rotation of overlapping flange on overlapping " direction ", paving element is tending towards inefficacy.
Preferably, web is by longitudinally prebuckling in paving element.Have been found that to web longitudinally prebuckling can increase the not supported span of metal decking spare effectively.
Preferably, measure as the maximum vertical misalignment of the flat relatively substantially face of web, and recently explain with the percentage of relative web length, vertically prebuckling can reach about 2%.More preferably, this vertical misalignment is between about 0.4% to 1%.In one embodiment, corresponding to 5 meters not supported span, this equals about prebuckling of 20 to 50mm.
Preferably, web quilt prebuckling in metal decking spare in its cross section.More preferably, measure as the peak excursion of the flat relatively substantially face of web, and recently explain with the percentage of relative web width, laterally prebuckling can reach about 5%.Still more preferably, this vertical misalignment is between about 1% to 4%.
Description of drawings
In order to understand essence of the present invention better, with reference to the accompanying drawings, only with formal description the preferred embodiments of the present invention of example, in the accompanying drawing:
Fig. 1 is the sectional drawing according to an embodiment of metal decking of the present invention;
Fig. 2 is the constructed profile according to another embodiment of metal decking of the present invention; And
Fig. 3 is the phantom drawing according to the another embodiment of metal decking of the present invention.
The specific embodiment
As depicted in figs. 1 and 2 be metal decking spare long and narrow, C tee section profile, it comprises web 12, a pair of opposed flange 14 and 16 respectively.Metal decking spare 10 is that a plurality of sides each other connect and place to form metal decking 20 (referring to Fig. 2), in 10 and 18 the paving element for example together.This metal decking 20 is designed to be embedded into or be coated in the cement board, so that form roof or floor.For fear of repeating and be easy to reference, the similar ingredient among the embodiment of the metal decking spare 10 among Fig. 1 and Fig. 2 refers to identical Reference numeral.
For example 10 adjacent metal paving element has cross sectional shape identical, C shape, and wherein, each opposed flange comprises the part 22 and 24 in pointing to.In addition, each in the part 22 and 24 in pointing to comprises that respectively lip is curved 26 and 28, described lip curved towards corresponding flange 14 or 16 to the back bending song, perhaps be in substantially parallel relationship to corresponding flange 14 or 16 and be provided with.
Flange 14 and 16 comprises the rib 30 and 32 of longitudinal extension respectively.The rib 30 and 32 of this longitudinal extension is configured to make the adjacent rib interlocking of adjacent paving element, to prevent with 18 metal decking spare horizontal with vertical separating taking place as 10. Rib 30 and 32 interlocking make no longer need securing member with as 10 and 18 adjacent paving element be fixed together.In these embodiments, the shape complementarity by making rib 30 and 32 is also aligned with each other substantially, will be as 30 and 32 rib interlocking, and like this, in these ribs one as 30, resides in another rib 32.Metal decking spare among Fig. 1 10 comprises the rib 30 and 32 of a pair of C of being roughly shape, and they are outstanding to the inboard and the outside of paving element 10 respectively.The rib 30 and 32 of this C shape is formed in the vertical component of each flange 14 and 16.Paving element as 10 and 18 among Fig. 2 comprises the longitudinal rib 30 and 32 that is positioned at flange, and they close on the vertical component of flange 14 or 16 and point to the joint of interior part.In this example, rib 14 and 16 shape of cross section are U-shaped substantially. Rib 30 and 32 among two embodiment all is that rolling is formed in each flange 14 and 16.
The conventional metals paving element is unsymmetric structure normally, and wherein, opposed flange is by inside and outwardly-bent respectively.So, form traditional metal decking by overlapping adjacent flange.The conventional metals paving is tending towards losing efficacy when stand under load, and wherein, adjacent overlapping flange subsides or one web rotation in paving element.Should be appreciated that in this embodiment of the present invention, the adjacency of adjacent metal paving element and interlocking are difficult for losing efficacy in this manner.
According to another aspect of the present invention, a flange in the paired opposed flange, the flange 16 of Fig. 2 for example has lower rigidity with respect to the flange 14 of interlocking.The surface area of the counterpart by part 24 opposing flanges 14 in the sensing that reduces the less flange of rigidity 16 or, in this example, width dimensions is realized above-mentioned condition.So the flange 16 that rigidity is little is tending towards skew or rotation outside flange 14 forward directions of interlocking.Flange 16 that can rigidity is less be designed to its rigidity be flange 14 rigidity 90%.The surface area of the flange portion of the rib top by the less flange of the counterpart rigidity that reduces to be arranged on another flange is relatively realized reducing of rigidity.In operation, force flange 14 interlockings of less flange of rigidity 16 and adjacent paving element 10 to engage in load as the cement in 18 the metal decking spare.So adjacent metal paving element 10 is in the same place by " combination " with 18, and need not loaded down with trivial details securing member.
Although do not illustrate, the part 22 and 24 in pointing to can comprise when cement casting is on metal decking, the opening that permission gas is discharged in the flange.Otherwise described gas can be trapped in respectively by forming air pocket in curved 26 and 28 area surrounded of the lip of the part 22 in pointing to and 24 especially by long-pending.A plurality of slits by the longitudinal extension in the part 22 in pointing to and 24 form opening, and described part 22 and 24 upwards is forced into beyond the plane of each flange.In one embodiment, it is right that slit is formed the slit that is spaced laterally apart, and the length of each is approximately 8mm, and the part in the adjacent sensing as 22, is forced out beyond the plane of flange separately approximately 3mm.Be formed on slit in the flange and also promote engaging of cement and paving element.
Fig. 3 illustrates an alternative embodiment of the invention, and wherein, the web 16 of metal decking spare 12 is by longitudinally prebuckling in metal decking spare 12.For clarity sake, shown metal decking spare does not have the rib of longitudinal extension.This metal decking spare is embedded in the cement board (not shown) usually, so can cross over longer not supported distance.In this example, measure as the maximum vertical misalignment on the flat relatively substantially plane of web 16, and recently explain with the percentage of the length of relative web 16, vertical prebuckling of web 16 is about 0.6%.The web 16 that should be understood that by vertical prebuckling is under the effect of the significant weight of cement board, at least in part to described planar offset.Advantageously, this vertical prebuckling provides the smallest offset of crossing over the metal decking spare 12 of longer distance.In this embodiment, metal decking spare 12 is crossed over and is reached about 5 meters not supported length, and comprises corresponding to vertical prebuckling 0.6%, about 30mm.Among this embodiment, not supported span reaches 5 meters, and by contrast, the span that does not have traditional paving of vertical prebuckling reaches 3 meters.
Although be not clearly shown that, the web 16 of metal decking spare 12 also can be by inwardly prebuckling in cross-sectional profiles.In this example, measure as the peak excursion on the flat relatively substantially plane of web 16, and recently explain with the percentage of relative web 16 width, the horizontal prebuckling of web 16 approximately is 2%.In this example, the width of metal decking spare 12 approximately is 300mm, and approximately is that the metal sheet rolling of 1.2mm forms by thickness.
Vertical prebuckling in the web 16 of metal decking spare 12 forms by making web 16 form ripple.This ripple (not shown) is a located lateral, and partly crosses the width extension of web 16.Be formed on transverse wave enough " gently " in the web 16 by cold rolling, to provide preferably, to reach vertical prebuckling of about 2%.After planar strip or web 16 formed C tee section profile, ripple can be formed in this planar strip or the web 16.Perhaps, form the ripple of web 16 by corrugation rolls with the molding mode of traditional cold rolling.
Those skilled in the art should be appreciated that the present invention described herein can carry out specifically described example outer change and distortion.For example, the longitudinal rib of opposed flange can change structure, as long as it allows the interlocking of adjacent paving element.The less flange of rigidity can change structure with described different, needs only it and can impel the interlocking of adjacent paving element.Preferably, web is by vertically and/or laterally prebuckling in paving element, and paving element can be crossed over longer not supported distance thus.All changes and distortion all are deemed to be within the scope of the present invention, and essence of the present invention is determined by the description of front.
In aforementioned summary of the present invention, except the notion needs or because the implication of language performance needs or necessity, word " comprise " and " comprising " equivalent in meaning, that is, and the concrete feature that limits can be associated with the further feature among the various embodiment of the present invention.

Claims (19)

1. metal decking spare, it is long and narrow and have C tee section profile, comprises web and a pair of opposed flange, and each flange all comprises the rib of longitudinal extension, and wherein said rib is constructed to be permeable to the adjacent rib interlocking with the adjacent metal paving element.
2. metal decking spare as claimed in claim 1, wherein, the shape of cross section of the paired opposed rib of longitudinal extension is complementary and aligned with each other basically.
3. metal decking spare as claimed in claim 1 or 2, wherein, described paired rib is given prominence to the inside and outside of paving element respectively.
4. metal decking spare as claimed in claim 3, wherein, the shape of cross section of opposed paired rib makes adjacent interlocking rib reside in the other side each other, thereby prevents the lateral separation of adjacent metal paving element.
5. as claim 3 or 4 described metal decking spares, wherein, the outwards outstanding rib of a paving element resides in the inwardly outstanding rib of adjacent paving element.
6. metal decking spare, it is long and narrow and have C tee section profile, comprises web and a pair of opposed flange, and one rigidity in the described paired opposed flange is less than the rigidity of another flange in the described paired opposed flange.
7. metal decking spare as claimed in claim 6 wherein, by reducing a flange in the described flange with respect to the surface area of another flange, makes the rigidity of a described flange littler.
8. as claim 6 or 7 described metal decking spares, wherein, in the described a pair of opposed flange one is suitable for the adjacent ribs interlocking with adjacent paving element.
9. as each the described metal decking spare in the claim 6 to 8, wherein, each opposed flange comprises the rib of longitudinal extension, and described rib is constructed to be permeable to the adjacent rib interlocking with the adjacent metal paving element.
10. each described metal decking spare in the claim as described above, wherein, the metal decking spare of C tee section profile comprise opposed flange, each opposed flange has the part in pointing to.
11. metal decking spare as claimed in claim 10, wherein, each in the part in pointing to comprises and is provided with to such an extent that to be parallel to the lip of respective flanges curved.
12. as claim 10 or 11 described metal decking spares, wherein, the part in the sensing of each flange comprises one or or a plurality of opening.
13. metal decking spare as claimed in claim 12, wherein, described one or more openings are limited by the slit of the longitudinal extension in the part that is formed in pointing to, and the part generation deformation in the described sensing is to leave the plane of corresponding flange.
14. the described metal decking spare of each in the claim as described above, wherein, described is that side connects with one in a plurality of metal decking spares that form metal decking together each other.
15. the described metal decking spare of each in the claim as described above, wherein, longitudinally prebuckling in metal decking spare of web.
16. metal decking spare as claimed in claim 15 wherein, is measured as the maximum vertical misalignment on the flat relatively substantially plane of web, and recently explained with the percentage of relative web length, vertically prebuckling can reach about 2%.
17. as claim 15 or 16 described metal decking spares, wherein, web comprises the ripple of located lateral, described ripple makes the vertical prebuckling of metal decking spare effectively.
18. the described metal decking spare of any one in the claim as described above, wherein, web is prebuckling in metal decking spare in cross section.
19. metal decking spare as claimed in claim 18 wherein, is measured as the peak excursion on the flat relatively substantially plane of web, and recently explained with the percentage of relative web width, vertically prebuckling can reach about 2%.
CN 01818570 2000-11-08 2001-11-08 Metal decking Expired - Fee Related CN1227427C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
AUFR1303 2000-11-08
AUPR1303A AUPR130300A0 (en) 2000-11-08 2000-11-08 Metal decking
AUPR2285A AUPR228500A0 (en) 2000-12-22 2000-12-22 Metal decking
AUFR2285 2000-12-22
AUPR2286A AUPR228600A0 (en) 2000-12-22 2000-12-22 Metal decking
AUFR2286 2000-12-22

Publications (2)

Publication Number Publication Date
CN1473230A true CN1473230A (en) 2004-02-04
CN1227427C CN1227427C (en) 2005-11-16

Family

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Family Applications (2)

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CN 01818570 Expired - Fee Related CN1227427C (en) 2000-11-08 2001-11-08 Metal decking
CN 01818556 Expired - Fee Related CN1252363C (en) 2000-11-08 2001-11-08 Metal decking

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN 01818556 Expired - Fee Related CN1252363C (en) 2000-11-08 2001-11-08 Metal decking

Country Status (7)

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EP (1) EP1337723A4 (en)
CN (2) CN1227427C (en)
AU (4) AU2002223268B2 (en)
HK (1) HK1059953A1 (en)
MY (2) MY129013A (en)
TW (2) TW531588B (en)
WO (2) WO2002038885A1 (en)

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WO2004085085A1 (en) * 2003-03-27 2004-10-07 Bluescope Steel Limited Forming apparatus for precambered metal sections
WO2007056833A1 (en) * 2005-11-21 2007-05-24 Bluescope Steel Limited Cast in situ concrete slab
GB0714255D0 (en) * 2007-07-20 2007-08-29 Wernick Buildings Ltd Modulator building system
EP2225424B1 (en) * 2007-11-13 2018-01-10 Casata Technologies Inc. Metal joist for a deck assembly
ITBA20080027A1 (en) * 2008-07-29 2010-01-29 Corsaro & Lisco Ferroprofili S P A FLOOR FOR ELECTRO-HYDRAULIC PLATFORMS, CONSISTING OF A PLURALITY OF MODULAR STEEL ELEMENTS WITH HIGH RESISTANCE AND LOW THICKNESS, COLD SIZE, ASSEMBLABLE BETWEEN THEM WITHOUT THE NEED TO CARRY OUT WELDING OPERATIONS
AU2013206540B1 (en) * 2013-06-26 2014-09-11 Inhabit Studio Limited An edge-formwork element with integrated channel
CN107829529A (en) * 2017-11-10 2018-03-23 中铁第四勘察设计院集团有限公司 A kind of laterally attached roofing bottom plate and roof board system
USD949442S1 (en) * 2019-04-23 2022-04-19 Epic Metals Corporation Roofing deck

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Also Published As

Publication number Publication date
MY129013A (en) 2007-03-30
CN1473229A (en) 2004-02-04
EP1337723A1 (en) 2003-08-27
TW503295B (en) 2002-09-21
AU2326802A (en) 2002-05-21
WO2002038880A1 (en) 2002-05-16
TW531588B (en) 2003-05-11
CN1252363C (en) 2006-04-19
AU2002213679B2 (en) 2006-04-13
HK1059953A1 (en) 2004-07-23
AU2002223268B2 (en) 2007-04-05
CN1227427C (en) 2005-11-16
EP1337723A4 (en) 2006-01-25
AU1367902A (en) 2002-05-21
MY129012A (en) 2007-03-30
WO2002038885A1 (en) 2002-05-16

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Granted publication date: 20051116

Termination date: 20091208