GB2135363A - A structural panel - Google Patents

A structural panel Download PDF

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Publication number
GB2135363A
GB2135363A GB8403796A GB8403796A GB2135363A GB 2135363 A GB2135363 A GB 2135363A GB 8403796 A GB8403796 A GB 8403796A GB 8403796 A GB8403796 A GB 8403796A GB 2135363 A GB2135363 A GB 2135363A
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GB
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Application
Patent type
Prior art keywords
panel
skin
peaks
stiffness
primary
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
GB8403796A
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GB8403796D0 (en )
GB2135363B (en )
Inventor
Peter Montague
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.)
Victoria University of Manchester
University of Manchester
Original Assignee
Victoria University of Manchester
University of Manchester
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

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Classifications

    • 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
    • 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
    • E04C2/30Building 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
    • E04C2/32Building 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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • E04C2/322Building 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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with parallel corrugations

Abstract

A structural panel comprising a primary skin (10) pressed into a section having alternate troughs and peaks, the peaks presenting a plane surface, with transitional portions (11) extending between peaks and troughs, and a secondary skin formed by spaced strips (15) on both faces of the panel and welded along their edges to the corresponding edges of the peaks in primary skin (10), the side edges of the panel being formed by additional strips (17) welded or otherwise attached to the edges of the boxed section. The spaced strips (15) can be replaced by a continuous sheet extending across a part of or the entire width of each face of the panel. <IMAGE>

Description

SPECIFICATION A structural panel This invention relates to structural panels which can be used for basic construction or for cladding.

It is known to provide a panel produced from a single skin of metal or plastics pressed or otherwise formed in a section having alternate troughs and peaks extending longitudinally of the panel to afford increased longitudinal stiffness. In such a panel the lateral stiffness is very low and to increase this, it is common to fix the panel to an existing framework or wall. Further, in many cases, it is necessary to apply to at least one face of the panel a cladding skin for acoustic or thermal insulation purposes.

An object of the present invention is to provide a modified form of panel of this general kind which has increased lateral, longitudinal and torsional stiffness and which has provision for insulation and cladding.

According to the present invention, there is provided a structural panel comprising a primary skin pressed or otherwise formed into a section having alternate troughs and peaks extending longitudinally of the panel to afford increased longitudinal stiffness, at least some of said peaks presenting a plane surface and a secondary skin formed by one or more rigid members applied to bridge across between consecutive peaks to produce a boxed section, and thus to increase the lateral, longitudinal and torsional stiffness of the panel.

Various embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which: Fig. 1 is a perspective view of one form of structural panel produced in accordance with the invention; and Figs. 2 to 6 illustrate in section various alternative forms of panel.

Referring now to the drawings, there is an existing product which takes the form of a single sheet 10 of steel or an alloy pressed or otherwise formed to present alternate troughs and peaks as illustrated in Fig. 1 with the peaks representing spaced plane surfaces. In this example, the troughs and peaks are of equal width, and equidistant, the transitional portions 11 from peaks to troughs being inclined such that each trough is wider at the top than at the base thus to create a continuous series of open trapezoidal channels 12 arranged alternately on opposite faces of the panel. Whilst such a panel has greater longitudinal bending stiffness than a flat sheet, its lateral bending stiffness and torsional stiffness are very low.Now, in accordance with one embodiment of the invention, the single sheet construction is converted into a box section by applying a secondary skin in the form of spaced strips 1 5 which bridge between consecutive peaks and are welded along the edges 1 6 thereof on both faces of the panel. The panel may be finished at its edges by strips 17 normal to the plane surfaces of the skin 1 0 and welded to the adjacent edges of the box section.

The application of the strips 1 5 substantially increases the longitudinal bending stiffness of the panel and produces approximately the same degree of bending stiffness in the lateral direction.

Similarly, torsional stiffness in both longitudinal and lateral directions is increased.

In Figs. 2 to 5, the primary skin x is illustrated in solid line whilst the secondary skin members y are illustrated in dotted lines. The enclosed spaces 1 8 created by application of the skin members y can be filled with a material which provides thermal and/or acoustic insulation properties.

Alternatively, the panel may be afforded further stiffness or strength by introducing a structural material such as concrete into the spaces.

The form into which the primary skin is pressed, will be selected to meet aesthetic requirements or for convenience and economy of production. It can be of a plastics material preformed by moulding, the applied secondary skin being, for example, of a thermoplastic material which can be applied by conventional plastics welding techniques.

Many applications are envisaged for a panel constructed in accordance with the invention, the dimensions of the materials themselves and of the box section produced in the completed panel, being variable to suit a particular application.

1. A structural panel comprising a primary skin pressed or otherwise formed into a section having alternate troughs and peaks extending longitudinally of the panel to afford increased longitudinal stiffness, at least some of said peaks presenting a plane surface and a secondary skin formed by one or more rigid members applied to bridge across between consecutive peaks to produce a boxed section, and thus to increase the lateral, longitudinal and torsional stiffness of the panel.

2. A structural panel according to Claim 1, wherein said secondary skin is formed by a plurality of spaced strips which bridge between consecutive peaks and are welded along their edges to the corresponding edges of said plane surfaces, said strips being applied on two opposite faces of said primary skin whereby to complete the boxed section throughout.

3. A structural panel according to Claim 1 or Claim 2, wherein the troughs and peaks defined by said primary skin are of equal width and equidistant.

4. A structural panel according to any preceding claim, wherein of said primary skin, transitional portions from peaks to troughs are inclined relative to said plane surfaces such that each trough is wider at the top than at the base thus to create a continuous series of opentrapezoidal channels arranged alternately on opposite faces of said primary skin.

5. A structural panel according to any preceding claim, in which enclosed spaces created between said primary and secondary skins, are

**WARNING** end of DESC field may overlap start of CLMS **.

Claims (10)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION A structural panel This invention relates to structural panels which can be used for basic construction or for cladding. It is known to provide a panel produced from a single skin of metal or plastics pressed or otherwise formed in a section having alternate troughs and peaks extending longitudinally of the panel to afford increased longitudinal stiffness. In such a panel the lateral stiffness is very low and to increase this, it is common to fix the panel to an existing framework or wall. Further, in many cases, it is necessary to apply to at least one face of the panel a cladding skin for acoustic or thermal insulation purposes. An object of the present invention is to provide a modified form of panel of this general kind which has increased lateral, longitudinal and torsional stiffness and which has provision for insulation and cladding. According to the present invention, there is provided a structural panel comprising a primary skin pressed or otherwise formed into a section having alternate troughs and peaks extending longitudinally of the panel to afford increased longitudinal stiffness, at least some of said peaks presenting a plane surface and a secondary skin formed by one or more rigid members applied to bridge across between consecutive peaks to produce a boxed section, and thus to increase the lateral, longitudinal and torsional stiffness of the panel. Various embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which: Fig. 1 is a perspective view of one form of structural panel produced in accordance with the invention; and Figs. 2 to 6 illustrate in section various alternative forms of panel. Referring now to the drawings, there is an existing product which takes the form of a single sheet 10 of steel or an alloy pressed or otherwise formed to present alternate troughs and peaks as illustrated in Fig. 1 with the peaks representing spaced plane surfaces. In this example, the troughs and peaks are of equal width, and equidistant, the transitional portions 11 from peaks to troughs being inclined such that each trough is wider at the top than at the base thus to create a continuous series of open trapezoidal channels 12 arranged alternately on opposite faces of the panel. Whilst such a panel has greater longitudinal bending stiffness than a flat sheet, its lateral bending stiffness and torsional stiffness are very low.Now, in accordance with one embodiment of the invention, the single sheet construction is converted into a box section by applying a secondary skin in the form of spaced strips 1 5 which bridge between consecutive peaks and are welded along the edges 1 6 thereof on both faces of the panel. The panel may be finished at its edges by strips 17 normal to the plane surfaces of the skin 1 0 and welded to the adjacent edges of the box section. The application of the strips 1 5 substantially increases the longitudinal bending stiffness of the panel and produces approximately the same degree of bending stiffness in the lateral direction. Similarly, torsional stiffness in both longitudinal and lateral directions is increased. In Figs. 2 to 5, the primary skin x is illustrated in solid line whilst the secondary skin members y are illustrated in dotted lines. The enclosed spaces 1 8 created by application of the skin members y can be filled with a material which provides thermal and/or acoustic insulation properties. Alternatively, the panel may be afforded further stiffness or strength by introducing a structural material such as concrete into the spaces. The form into which the primary skin is pressed, will be selected to meet aesthetic requirements or for convenience and economy of production. It can be of a plastics material preformed by moulding, the applied secondary skin being, for example, of a thermoplastic material which can be applied by conventional plastics welding techniques. Many applications are envisaged for a panel constructed in accordance with the invention, the dimensions of the materials themselves and of the box section produced in the completed panel, being variable to suit a particular application. CLAIMS
1. A structural panel comprising a primary skin pressed or otherwise formed into a section having alternate troughs and peaks extending longitudinally of the panel to afford increased longitudinal stiffness, at least some of said peaks presenting a plane surface and a secondary skin formed by one or more rigid members applied to bridge across between consecutive peaks to produce a boxed section, and thus to increase the lateral, longitudinal and torsional stiffness of the panel.
2. A structural panel according to Claim 1, wherein said secondary skin is formed by a plurality of spaced strips which bridge between consecutive peaks and are welded along their edges to the corresponding edges of said plane surfaces, said strips being applied on two opposite faces of said primary skin whereby to complete the boxed section throughout.
3. A structural panel according to Claim 1 or Claim 2, wherein the troughs and peaks defined by said primary skin are of equal width and equidistant.
4. A structural panel according to any preceding claim, wherein of said primary skin, transitional portions from peaks to troughs are inclined relative to said plane surfaces such that each trough is wider at the top than at the base thus to create a continuous series of opentrapezoidal channels arranged alternately on opposite faces of said primary skin.
5. A structural panel according to any preceding claim, in which enclosed spaces created between said primary and secondary skins, are filled with an insulating material.
6. A structural panel according to any preceding claim, in which enclosed spaces created between said primary and secondary skins are filled with a material providing increased stiffness or strength, such as concrete.
7. A structural panel according to Claim 1, wherein said secondary skin is formed by one or more continuous sheets attached to each face of said primary skin and extending across a part of or the entire width of said primary skin, said primary and secondary skins being attached together at spaced positions where they are superimposed.
8. A structural panel according to Claim 7, wherein said secondary skin is notched at spaced positions to provide additional resistance to bending.
9. A structural panel according to any preceding claim, wherein said primary and secondary skins are of a plastics material and attached together by plastics welding.
10. A structural panel substantially as hereinbefore described with reference to and as illustrated in Figs. 1 to 5 or Fig. 6 of the accompanying drawings.
GB8403796A 1983-02-19 1984-02-14 A structural panel Expired GB2135363B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8304666A GB8304666D0 (en) 1983-02-19 1983-02-19 Structural panel
GB8403796A GB2135363B (en) 1983-02-19 1984-02-14 A structural panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8403796A GB2135363B (en) 1983-02-19 1984-02-14 A structural panel

Publications (3)

Publication Number Publication Date
GB8403796D0 GB8403796D0 (en) 1984-03-21
GB2135363A true true GB2135363A (en) 1984-08-30
GB2135363B GB2135363B (en) 1986-05-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB8403796A Expired GB2135363B (en) 1983-02-19 1984-02-14 A structural panel

Country Status (1)

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GB (1) GB2135363B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147926A (en) * 1983-10-14 1985-05-22 Brooks Accrington Limited Cladding panel
EP0485730A1 (en) * 1990-11-13 1992-05-20 THYSSEN HÜNNEBECK GmbH Seaffold platform
US5678384A (en) * 1995-08-31 1997-10-21 World Wide Homes Ltd. Rapid assembly secure prefabricated building
ES2117589A1 (en) * 1996-12-12 1998-08-01 Polmers Del Valira S A Process for manufacturing sheets of heat-formable plastic material for the construction industry
ES2124104A1 (en) * 1994-02-16 1999-01-16 Paniagua Juan Ignacio Raudan Membrane for the construction of self-supporting structures.
WO2007139366A1 (en) * 2006-05-26 2007-12-06 Garcia-Barzanallana De Leon Ad High-strengh sections
WO2009059820A1 (en) * 2007-11-07 2009-05-14 Royde & Tucker Limited Support frame for a sliding door

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB576843A (en) * 1943-11-02 1946-04-23 Thomas John Banks Improvements in partition and wall structures
GB1366481A (en) * 1971-07-27 1974-09-11 Gkn Sankey Ltd Units suitable for glazing or solar absorbtion
GB1418487A (en) * 1971-12-06 1975-12-24 Bennes Marrel Panel
EP0054199A1 (en) * 1980-12-12 1982-06-23 Nadalaan S.A. Prefabricated building element
EP0074732A1 (en) * 1981-09-02 1983-03-23 Ramage, L. Lee, D. Hook, D. Norman, P. Richmond, B. Jenkins, E. Churchman, A. Miles, K. trading as G. Maunsell &amp; Partners Improved structural panel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB576843A (en) * 1943-11-02 1946-04-23 Thomas John Banks Improvements in partition and wall structures
GB1366481A (en) * 1971-07-27 1974-09-11 Gkn Sankey Ltd Units suitable for glazing or solar absorbtion
GB1418487A (en) * 1971-12-06 1975-12-24 Bennes Marrel Panel
EP0054199A1 (en) * 1980-12-12 1982-06-23 Nadalaan S.A. Prefabricated building element
EP0074732A1 (en) * 1981-09-02 1983-03-23 Ramage, L. Lee, D. Hook, D. Norman, P. Richmond, B. Jenkins, E. Churchman, A. Miles, K. trading as G. Maunsell &amp; Partners Improved structural panel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147926A (en) * 1983-10-14 1985-05-22 Brooks Accrington Limited Cladding panel
EP0485730A1 (en) * 1990-11-13 1992-05-20 THYSSEN HÜNNEBECK GmbH Seaffold platform
ES2124104A1 (en) * 1994-02-16 1999-01-16 Paniagua Juan Ignacio Raudan Membrane for the construction of self-supporting structures.
US5678384A (en) * 1995-08-31 1997-10-21 World Wide Homes Ltd. Rapid assembly secure prefabricated building
ES2117589A1 (en) * 1996-12-12 1998-08-01 Polmers Del Valira S A Process for manufacturing sheets of heat-formable plastic material for the construction industry
WO2007139366A1 (en) * 2006-05-26 2007-12-06 Garcia-Barzanallana De Leon Ad High-strengh sections
WO2009059820A1 (en) * 2007-11-07 2009-05-14 Royde & Tucker Limited Support frame for a sliding door
US8468758B2 (en) 2007-11-07 2013-06-25 Royde & Tucker Limited Support frame for sliding door

Also Published As

Publication number Publication date Type
GB8403796D0 (en) 1984-03-21 grant
GB2135363B (en) 1986-05-21 grant

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee