GB2123868A - Elongate structural member - Google Patents

Elongate structural member Download PDF

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Publication number
GB2123868A
GB2123868A GB08220731A GB8220731A GB2123868A GB 2123868 A GB2123868 A GB 2123868A GB 08220731 A GB08220731 A GB 08220731A GB 8220731 A GB8220731 A GB 8220731A GB 2123868 A GB2123868 A GB 2123868A
Authority
GB
United Kingdom
Prior art keywords
plate
elongate
building
rigid beam
jigging
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
GB08220731A
Other versions
GB2123868B (en
Inventor
Brian Robinson
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.)
Catnic Components Ltd
Original Assignee
Catnic Components 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
Application filed by Catnic Components Ltd filed Critical Catnic Components Ltd
Priority to GB08220731A priority Critical patent/GB2123868B/en
Publication of GB2123868A publication Critical patent/GB2123868A/en
Application granted granted Critical
Publication of GB2123868B publication Critical patent/GB2123868B/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/70—Drying or keeping dry, e.g. by air vents
    • E04B1/7038—Evacuating water from cavity walls, e.g. by using weep holes
    • E04B1/7046—Evacuating water from cavity walls, e.g. by using weep holes using trays
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • 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
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E04B7/04—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs supported by horizontal beams or the equivalent resting on the walls
    • 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
    • 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
    • E04C2003/023—Lintels

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The member 5 is made of metal such as mild steel and spans the whole width of a building. The member comprises a first plate or part 6 which is in use horizontal, a rigid beam member 7 which depends from the rear (as considered in use) edge of the first plate or part 6 and a second plate or part 8 which projects from the lower edge of the rigid beam member 7 in the opposite direction to the first plate or part 6. The first plate or part 6 acts as a fire break, the rigid beam member7 acts as a jigging piece for jigging joists in position and the second plate or part 8 acts as a lintel over openings and also as a firestop across the whole span of a building in which the member 5 is installed. The member 5 can be installed across the whole width of a terrace of houses at floor level (Fig. 2) or at roof level (Fig. 4). <IMAGE>

Description

SPECIFICATION Elongate structural member The invention relates two an elongate structural member such as a jigging piece, lintel and firestop.
Timberframe construction of buildings such as houses is becoming more and more an accepted mode of construction, and soon will be in the region of 45%-50% ofthetotal of domestic dwellings in the U.K.
The problem of such housing using wooden frames is thatthey present a fire hazard.
It is an object of the invention to seek to mitigate this disadvantageofthe prior art.
According to the invention there is provided, for timber frame housing, an elongate memberfor substantially horizontally spanning a building to provide a combined jigging piece lintel andfirestop, comprising a first plate or part, a rigid beam member projecting from orfrom near one edge ofthefirst plate or part, and a second plate or part projecting from the rigid beam memberin a direction opposite the direction in which the first plate or part projects.
Using the invention it is possible to provide a combined jigging piece, lintel and fire stop at floor or roof level in a timberframe construction building.
Elongate members embodying the invention are hereinafter described, by way of example, with reference to the accompanying drawings.
Figs. 1 and 2 are respective side elevational and perspective views of one embodiment in position in a timberframe construction building at floor level; and Figs. 3 and 4 are respective side elevational and perspective views of a second embodiment in position in a timberframe construction building, at roof level.
In the drawing, like parts are indicated by like reference numerals.
Referring to Figs. 1 and 2, part of a timberframe construction of building is shown, having an outer brick or the like wall skin 1 and a timber innerframe 2 seperatedfromtheouterwallskin by a cavity3.
In order to support floorjoists 4there is an elongate member 5 made of metal such as mild steel which spans the whole width of the building and comprises a first plate or part 6which is horizontal and which spans the cavity 3 a rigid beam member7 which depends from the rear (as considered in use) edge of the first plate or part 6 and a second plate or part8which projects in the opposite direction to the first plate or part6fromthe lower edge (asviewed in the Figs.) of the rigid beam member 7. Both plates and parts 6 and 8 terminate in respective downwardly directed lips 9 and 10.
The rigid beam member 7 and the second plate or part 8 each have fixing means in the form of rows of elongate holes 11, 12. The holes 11 in the rigid beam member7 allow nails 13to be inserted into joists 4, the elongate nature of the holes 12 allowing foradjust- ment during installation. Likewise the holes 12 in the second plate or part 8 allow the member to be secured to elongate wooden laths 14 of the timber frame 2.
Again, the elongate nature of the holes 12 allows for adjustment during installation. The lip 9 butts against the inner face ofthe brick wall skin 1 and so obviates twisting or canting of the elongate member 5 in use, and provides a spacer. The first plate our part 6 also acts as a fire-stop preventing or hindering passage of fire vertically in the cavity 3, the rigid beam 7 member acts as a jigging piecefor jigging the joists 4 in position and the second plate or part 8 acts as a lintel over openings and also as a firestop across the whole span of the building. The elongate member 5 is shown in use in conjunction with a lintel 1 Bfor supporting the brick wallsskin 1 overanopening 16such asforawindow.
Referring nowto Figs. 3 and 4, the elongate member 20 shown therein is for installation at roof level. In this embodiment, the first plate or part 21 has elongate holes 22 for securing to wooden laths 23 oftheframe 2, and the second plate or part 22 is inclined before terminating in a lip 24 which is substantially parallel with the rigid beam member 25.
In this embodiment, the second plate or part 22 acts as a fire stop to prevent or hinder passage offireto or from the roof space, the rigid beam member 25 as a jigging piece for part 26 of the timber frame to which it and the first plate or part is secured as by nails 27 through respective holes 22 and 28 the firstplate or part 21 also acting as a lintel to support rafters 29 over openings in the wall.
In both embodiments, the elongate member, 520 spans the whole width ofthe building, being supported on the outer boundary walls thereof.
Each perimeterwall may include such an elongate member, or only the front and back walls may have them.
Further the elongate members can be utilised in a terrace, each unit oftheterrace having its own elongate member or members, which thus extend end to end over the length of the terrace and are mounted on the party walls.
CLAIMS (Filed on 15.7.83) 1. An elongate member for substantially horizontally spanning a building to provide a combined jigging piece, lintel and firestop, comprising a first plate or part, a rigid beam member projecting from or from near one edge of the first plate or part, and a second plate or part projecting from the rigid beam member in a direction opposite the direction in which the first plate or part projects.
2. A member according to Claim 1 the member being of substantially "Z"-shape in cross-section, the first and second plates or parts comprising respective limbs ofthe "Z" and the rigid beam member comprising the web of the "Z" and lying at substantial- ly90 tothe respective limbs.
3. A member according to Claim 2, each limb terminating in a lip at its free edge.
4. A member according to Claim 3, the lips being directed generally in the same direction.
5. A memberaccordingt Claim I,thesecond plate or part extending from the beam member at an angle ofgreaterthan 90 .
6. A member according to any preceding claim, including means to securethe member in position in a
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (11)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Elongate structural member The invention relates two an elongate structural member such as a jigging piece, lintel and firestop. Timberframe construction of buildings such as houses is becoming more and more an accepted mode of construction, and soon will be in the region of 45%-50% ofthetotal of domestic dwellings in the U.K. The problem of such housing using wooden frames is thatthey present a fire hazard. It is an object of the invention to seek to mitigate this disadvantageofthe prior art. According to the invention there is provided, for timber frame housing, an elongate memberfor substantially horizontally spanning a building to provide a combined jigging piece lintel andfirestop, comprising a first plate or part, a rigid beam member projecting from orfrom near one edge ofthefirst plate or part, and a second plate or part projecting from the rigid beam memberin a direction opposite the direction in which the first plate or part projects. Using the invention it is possible to provide a combined jigging piece, lintel and fire stop at floor or roof level in a timberframe construction building. Elongate members embodying the invention are hereinafter described, by way of example, with reference to the accompanying drawings. Figs. 1 and 2 are respective side elevational and perspective views of one embodiment in position in a timberframe construction building at floor level; and Figs. 3 and 4 are respective side elevational and perspective views of a second embodiment in position in a timberframe construction building, at roof level. In the drawing, like parts are indicated by like reference numerals. Referring to Figs. 1 and 2, part of a timberframe construction of building is shown, having an outer brick or the like wall skin 1 and a timber innerframe 2 seperatedfromtheouterwallskin by a cavity3. In order to support floorjoists 4there is an elongate member 5 made of metal such as mild steel which spans the whole width of the building and comprises a first plate or part 6which is horizontal and which spans the cavity 3 a rigid beam member7 which depends from the rear (as considered in use) edge of the first plate or part 6 and a second plate or part8which projects in the opposite direction to the first plate or part6fromthe lower edge (asviewed in the Figs.) of the rigid beam member 7. Both plates and parts 6 and 8 terminate in respective downwardly directed lips 9 and 10. The rigid beam member 7 and the second plate or part 8 each have fixing means in the form of rows of elongate holes 11, 12. The holes 11 in the rigid beam member7 allow nails 13to be inserted into joists 4, the elongate nature of the holes 12 allowing foradjust- ment during installation. Likewise the holes 12 in the second plate or part 8 allow the member to be secured to elongate wooden laths 14 of the timber frame 2. Again, the elongate nature of the holes 12 allows for adjustment during installation. The lip 9 butts against the inner face ofthe brick wall skin 1 and so obviates twisting or canting of the elongate member 5 in use, and provides a spacer. The first plate our part 6 also acts as a fire-stop preventing or hindering passage of fire vertically in the cavity 3, the rigid beam 7 member acts as a jigging piecefor jigging the joists 4 in position and the second plate or part 8 acts as a lintel over openings and also as a firestop across the whole span of the building. The elongate member 5 is shown in use in conjunction with a lintel 1 Bfor supporting the brick wallsskin 1 overanopening 16such asforawindow. Referring nowto Figs. 3 and 4, the elongate member 20 shown therein is for installation at roof level. In this embodiment, the first plate or part 21 has elongate holes 22 for securing to wooden laths 23 oftheframe 2, and the second plate or part 22 is inclined before terminating in a lip 24 which is substantially parallel with the rigid beam member 25. In this embodiment, the second plate or part 22 acts as a fire stop to prevent or hinder passage offireto or from the roof space, the rigid beam member 25 as a jigging piece for part 26 of the timber frame to which it and the first plate or part is secured as by nails 27 through respective holes 22 and 28 the firstplate or part 21 also acting as a lintel to support rafters 29 over openings in the wall. In both embodiments, the elongate member, 520 spans the whole width ofthe building, being supported on the outer boundary walls thereof. Each perimeterwall may include such an elongate member, or only the front and back walls may have them. Further the elongate members can be utilised in a terrace, each unit oftheterrace having its own elongate member or members, which thus extend end to end over the length of the terrace and are mounted on the party walls. CLAIMS (Filed on 15.7.83)
1. An elongate member for substantially horizontally spanning a building to provide a combined jigging piece, lintel and firestop, comprising a first plate or part, a rigid beam member projecting from or from near one edge of the first plate or part, and a second plate or part projecting from the rigid beam member in a direction opposite the direction in which the first plate or part projects.
2. A member according to Claim 1 the member being of substantially "Z"-shape in cross-section, the first and second plates or parts comprising respective limbs ofthe "Z" and the rigid beam member comprising the web of the "Z" and lying at substantial- ly90 tothe respective limbs.
3. A member according to Claim 2, each limb terminating in a lip at its free edge.
4. A member according to Claim 3, the lips being directed generally in the same direction.
5. A memberaccordingt Claim I,thesecond plate or part extending from the beam member at an angle ofgreaterthan 90 .
6. A member according to any preceding claim, including means to securethe member in position in a building.
7. A member according to Claim 6, the means allowing for adjustment during securing.
8. A memberaccording to Claim 6 or Claim 7, the means comprising through holes through at leastthe rigid beam member.
9. An elongate member for substantially horizontally spanning a building, substantially as hereinbefore described with reference to the accompanying drawings.
10. A building construction including an elongate member according to any preceding claim extending across the whole of at least one boundary side.
11. A building construction according to Claim 10, the construction comprising a terrace and the one boundary side comprising the front or rear elevation.
GB08220731A 1982-07-16 1982-07-16 Elongate structural member Expired GB2123868B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08220731A GB2123868B (en) 1982-07-16 1982-07-16 Elongate structural member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08220731A GB2123868B (en) 1982-07-16 1982-07-16 Elongate structural member

Publications (2)

Publication Number Publication Date
GB2123868A true GB2123868A (en) 1984-02-08
GB2123868B GB2123868B (en) 1986-11-05

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ID=10531735

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08220731A Expired GB2123868B (en) 1982-07-16 1982-07-16 Elongate structural member

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GB (1) GB2123868B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7490600B2 (en) * 2006-04-01 2009-02-17 Kopp John G Break-apart assembly for supporting an exhaust flue and providing a cumbustible materials top and a fire stop

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900986A (en) * 1958-09-24 1962-07-11 Charles Aquila Vincent Smith Improvements in or relating to panel assemblies for use in building construction
GB1291369A (en) * 1969-03-11 1972-10-04 Sigma Holding Sa Method for the erection of buildings and room units or cells for the execution of said method
GB1417584A (en) * 1972-11-01 1975-12-10 Sanders & Forster Ltd Assemblied of purlins or beams and sag rods
GB1479683A (en) * 1973-07-18 1977-07-13 Gay P Metal purlins and girts
GB1518099A (en) * 1975-05-20 1978-07-19 Histon Concrete Prod Ltd Lintel
GB1534297A (en) * 1975-08-29 1978-11-29 Metal Sections Ltd Purlins

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900986A (en) * 1958-09-24 1962-07-11 Charles Aquila Vincent Smith Improvements in or relating to panel assemblies for use in building construction
GB1291369A (en) * 1969-03-11 1972-10-04 Sigma Holding Sa Method for the erection of buildings and room units or cells for the execution of said method
GB1417584A (en) * 1972-11-01 1975-12-10 Sanders & Forster Ltd Assemblied of purlins or beams and sag rods
GB1479683A (en) * 1973-07-18 1977-07-13 Gay P Metal purlins and girts
GB1518099A (en) * 1975-05-20 1978-07-19 Histon Concrete Prod Ltd Lintel
GB1534297A (en) * 1975-08-29 1978-11-29 Metal Sections Ltd Purlins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7490600B2 (en) * 2006-04-01 2009-02-17 Kopp John G Break-apart assembly for supporting an exhaust flue and providing a cumbustible materials top and a fire stop

Also Published As

Publication number Publication date
GB2123868B (en) 1986-11-05

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PCNP Patent ceased through non-payment of renewal fee