WO1996022428A1 - Joining steel framing - Google Patents
Joining steel framing Download PDFInfo
- Publication number
- WO1996022428A1 WO1996022428A1 PCT/AU1996/000027 AU9600027W WO9622428A1 WO 1996022428 A1 WO1996022428 A1 WO 1996022428A1 AU 9600027 W AU9600027 W AU 9600027W WO 9622428 A1 WO9622428 A1 WO 9622428A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- portions
- section
- joint
- sections
- wall
- Prior art date
Links
Classifications
-
- 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
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
- E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web 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
- E04C3/11—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with non-parallel upper and lower edges, e.g. roof trusses
-
- 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
- E04C2003/0408—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 assembly or the cross-section
- E04C2003/0421—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 assembly or the cross-section comprising one single unitary part
-
- 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
- E04C2003/043—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 hollow cross-section comprising at least one enclosed cavity
-
- 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
- E04C2003/0465—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 square- or rectangular-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
- E04C2003/0486—Truss like structures composed of separate truss elements
- E04C2003/0491—Truss like structures composed of separate truss elements the truss elements being located in one single surface or in several parallel surfaces
Definitions
- Structural beams and trusses formed of metal sections are usually factory formed with welded joints to ensure trueness of the frame. Factory jigs and fixtures are used for maintaining accuracy in forming joints which would otherwise tend to warp during welding, as well as for the accurate and precise alignment of the joined sections.
- timber framing is frequently used, including timber roof trusses for supporting the structure upon which the roofing material is fixed. Because of the limited strength of timber, roof trusses constructed from timber are required to be spaced relatively close together, adding to the cost of materials and time required for construction.
- a triangular roof supporting frame may be formed having an apex and two bottom corners, two top chords connected to one another at said apex and a bottom chord extending between and connected to each said top chord at said respective bottom corners to form a bottom corner joint, and wherein said bottom corner joint is a joint as hereinbefore described.
- Figures 24 and 25 show a screw fixing pattern for joining a truss to a column
- Figure 34 is a diagrammatic plane view of a hip roof arrangement for the trusses of Figures 1 to 25 (with only some of the roof forming members shown);
- Figure 35 is a plan view of detail B of Figure 34;
- Figure 38 is a sectional view of detail A of Figure 34;
- Figure 39 is an elevation view of a folded connector;
- Figures 40, 41 and 42 are respective pattern developments of brackets for connecting rafters to top plates, trusses and/or fascias;
- Figure 43 shows the connection of a rafter to a top plate and a fascia section using the brackets of Figures
- Figures 45 and 46 respectively show a pattern development for and the connection using a bracket for connecting a creeper, cripple, valley jack or hip jack to a hip rafter.
- Figures 49 to 53 show the formation of the overlap portions
- Figures 54 to 57 show four tools or jigs for forming offset overlap portions.
- the structural members are rolled hollow sections each having four walls.
- walls parallel to the plane truss are generally referred to as facing walls.
- the two top cords 11 are connected together by a connecting plate 16 across the top surfaces of the respective top chords 11. Additionally, the two top cords 11 are also connected by the arrangement of connecting the king post 13 at the top king post joint 1.
- the king post 13 at its lower end has its respective king post side walls 22 shortened to provide two respective king post lower wall extensions 21.
- the king post facing walls 25 are offset outwardly at a king post lower offset 32 to permit the king post lower wall extensions 21 to overlap the bottom chord 12.
- the queen post 14 has its queen post side walls 23 shortened to provide queen post upper wall extensions 24 from the respective queen post facing walls 26.
- Each queen post upper wall extension 24 is offset from its alignment with the respective queen post facing wall 26 at a queen post upper offset 33 to permit the queen post upper wall extensions 24 to overlap the top chord 11.
- the strut 15 has two strut facing walls 27 and a strut lower wall 17 and strut upper wall 18.
- the strut lower wall 17 and strut upper wall 18 are shortened to provide a strut upper overlap portion 28.
- the strut upper overlap portion 28 is offset at a strut upper offset 35 to permit the strut upper overlap portion 28 to overlap the queen post 14.
- the queen post 14 is connected to the bottom chord 12 at the bottom strut joint 4 by providing two respective queen post wall extensions 31 of the queen post facing walls 30 by shortening each queen post side wall 29 and further providing a queen post lower offset 36 to permit the queen post lower wall extensions 31 to overlap the bottom chord 12.
- the chord joint 5 between the top chord 11 and bottom chord 12 is formed by slitting the bottom chord upper wall 43 as shown in detail in Figure 17 by providing a longitudinal slit 37 and a cross slit 38 and a V-cut-out 39.
- the distal portion of the bottom chord upper wall 43 is straightened out to substantially align with respective bottom chord facing walls 42 to provide two respective bottom chord overlap portions 40.
- bottom chord facing walls 42 are shortened to provide a bottom chord wall extension 41. Additionally, the end portions of the bottom chord facing walls 42 are offset at respective bottom chord offsets 45 to provide respective bottom chord wall distal portions 46 such that the bottom chord wall distal portions 46 and bottom chord overlap portions 40 substantially align and overlap the top chord 11 as shown in Figure 15.
- bottom chord wall distal portions 46 including the bottom chord overlap portions 40 are formed from high tensile grade steel, the original rolled edge of the bottom chord 12 is left intact as a retained crease 47 to avoid overworking the material in the region of the retained crease 47.
- the top king post joint 1 is formed by providing four bolts or screws as shown
- the bottom king post joint 2 is formed by providing four screws in the king post and three screws in each strut for fastening the respective members to the bottom chord 12.
- the top strut joint 3 is formed by providing four screw fasteners in the top chord 11 and three screw fasteners through the strut and screwed into the queen post 14.
- the bottom strut joint 4 is formed by providing four fasteners through the bottom of the queen post 14 and screwed into the bottom chord 12 and the chord joint 5 is formed by providing six screw fasteners through the bottom chord 12 and screwed into the top chord 11.
- the top king post joint 1 is formed by providing eight screws as shown
- the bottom king post joint 2 is formed by providing six screws in the king post and four screws in each strut for fastening the respective members to the bottom chord 12.
- the top strut joint 3 is formed with the centrelines of the queen post 14 and strut 15 intersecting substantially at their respective intersections with the centreline of the top chord 11. This is achieved by having the strut 15 connected to the top chord 11 rather than the queen post 14 (as shown in Figure 18).
- the overlap portions of the strut 15 are shown being so formed that they abut the overlap portions of the queen post 14, however, it will be appreciated that the overlap portions of both the strut 15 and the queen post 14 may be arranged to overly one another for fastening to the top chord 11.
- the top strut joint 3 has four screw fasteners screwed into the top chord 11 through the queen post 14 and three screw fasteners screwed into the top chord 11 through the strut 15.
- the bottom strut joint 4 is formed by providing five fasteners through the bottom of the queen post 14 and screwed into the bottom chord 12.
- the chord joint 5 is formed by providing seven fasteners through the bottom chord 12 into the top chord 11 in the cases of the six metre truss of Figure 19 and the 7.5 metre truss of Figure 21.
- An extra strut joint 6 is required for the nine metre truss shown in Figures 22 and 23.
- the extra strut joint 6 is arranged with the centrelines of the queen post 14 and strut 15 intersecting substantially at their respective intersections with the centreline of the bottom chord 11.
- the extra strut joint 6 has eight screw fasteners screwed into the bottom chord 12 through the queen post 14 and six screw fasteners screwed into the bottom chord 12 through the strut 15.
- the centrelines of the strut 15 and the queen 14 converge at the centreline of the bottom chord 12 in the same manner as described in relation to the connection between the strut 15 and the queen post 14 attached to the top chord 11 described in relation to Figure 19.
- chord joint 5 is provided by slitting the top chord 11 instead of the bottom chord 12, and providing a top chord overlap portion 40a and a top chord offset 45a on the top chord, and also including the retained crease 47 as described in respect of Figures 15 to 17.
- two hip rafters 111 and an end jack 110 are connected to a truss 10 at the top chord 11 by a conical support 121 to form a jack and rafter connection 120.
- the conical support 121 is attached to the underside of the respective top chords 11 and the respective hip rafters 111 and end jack 120 are also attached by fasteners fitted through respective bolting apertures shown typically at 122.
- a rafter to batten connection 125 is made to connect a rafter (whether a common rafter 116, hip jack 112 or valley jack 114, end jack 110, hip rafter 111 or valley rafter 115) to respective battens.
- the rafter 110, etc may be connected to a top plate 150 of a wall frame as shown in particular in Figures 43 and 44.
- a rafter bracket 141 which fits under the rafter 110, etc, or an alternative rafter bracket 142 which fits over the rafter 110, etc are shown in Figures 43 and 44 respectively. Additionally, a sloping end bracket 143 may be used to attach a rafter 110 etc to a fascia section 151. It will also be appreciated that the sloping end bracket 143 may be used to connect the rafter to the ridge member 113.
- the rafter bracket 141 is fastened to the top plate 150 by passing a bolt through a bolting aperture 155.
- the head of the bolt may be accommodated in a wedge-shaped gap 147 between the top plate 150 and the rafter 110 etc.
- fasteners such as self-drilling and taping screws may be used to attach the rafter bracket 141 to the top plate 150 through respective fixing screw apertures shown typically at 53.
- the alternative rafter bracket may be fastened to the top plate 150 and rafter by placing it over the top of the rafter and fixing thereto, and to the top plate 150 by fasteners through respective fixing screw apertures shown typically at 153.
- the hip rafter connector is attached to the end of the hip jack 112 and to a side face of the hip rafter 111 by respective fasteners being passed through respective fixing screw apertures shown typically at 167.
- hip rafter connector may be folded in the opposite direction to that shown in Figure 46 to provide a connection at the complementary opposite angle. Additionally, the hip rafter connector may be used to connect a valley rafter 115 to a valley jack 114, or a cripple-jack (not shown) to a broken hip (not shown) or to a valley rafter 115, or a hip rafter 111 to a ridge member 113.
- brackets 141, 142, 143 and 144 may be used to connect members made from timber as desired or required.
- a roofing frame may be constructed from rolled hollow section as described above, or combination of timber and rolled hollow section as required.
- a slotted tool 60 is provided having a slot 61 into which a retained wall portion 54 or extended retained wall portion 58 may be inserted in through the slot 61. Accordingly, the extended retained wall portions 58 or retained wall portions 54 may be folded outwardly as shown in Figures 48 and 52 respectively.
- an alternative insert 72 having two tongues 71 may be used to provide a bearing surface 73 on the side of the alternative insert 72 opposite the respective tongue 71 against which the complementary bearing surface 66 of the slotted tool 60 may bear to cause the extended retained wall portion 58 or retained wall portion 54 to be folded back to substantially parallel with the respective wall section from which it was folded and provide an offset from same.
- a grooved tool 68 is provided as shown in Figure 55 having a groove 67 into which the respective wall extension may be inserted and folded as desired.
- a truss may be assembled from joints of this invention by providing members cut to size and shape as hereinbefore described. The assembly of the truss may be accomplished by connecting the two top chords 11 together with the connecting plate 16 and making the chord joint 5 as described above. Next, the struts may be put into place and fastened by providing two screws through strut wall extension 20 into the bottom chord upper wall 43 and then connecting the king post 13 to the bottom chord 12 and top chord 11.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU44746/96A AU4474696A (en) | 1995-01-20 | 1996-01-22 | Joining steel framing |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPN0669 | 1995-01-20 | ||
AUPN0669A AUPN066995A0 (en) | 1995-01-20 | 1995-01-20 | Improvements to steel framing |
AUPN5352 | 1995-09-11 | ||
AUPN5352A AUPN535295A0 (en) | 1995-09-11 | 1995-09-11 | Improvements to steel framing |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996022428A1 true WO1996022428A1 (en) | 1996-07-25 |
Family
ID=25644847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU1996/000027 WO1996022428A1 (en) | 1995-01-20 | 1996-01-22 | Joining steel framing |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO1996022428A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999067477A1 (en) * | 1998-06-22 | 1999-12-29 | Design Steel Pty. Ltd. | A chord member |
WO2001083906A1 (en) * | 2000-04-27 | 2001-11-08 | Millers Global Enterprises Pty Ltd | An improved roof truss assembly |
EP1162324A1 (en) * | 2000-05-25 | 2001-12-12 | Kurt A. Keil | Structural tubing members with flared out end segments for conjoining |
EP1293619A1 (en) * | 2001-09-12 | 2003-03-19 | Ward Building Components Limited | Truss system and truss connector |
US6990782B2 (en) | 2001-06-20 | 2006-01-31 | Nippon Steel Corporation | Method for assembling building with thin and lightweight shaped-steel members |
US10287774B2 (en) | 2014-10-10 | 2019-05-14 | Keith Dietzen | Truss assembly |
CN110936104A (en) * | 2019-06-26 | 2020-03-31 | 浙江精工钢结构集团有限公司 | Manufacturing method of space torsion box type node |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1812844A (en) * | 1944-12-14 | 1947-02-27 | Charles Norman Hirst and Lionel Wolfe Coppleson Ian Wentworth Jefferson | Improvements relating to prefabricated buildings |
AU3228471A (en) * | 1971-08-12 | 1973-02-15 | Dura Frame Systems Pty. Ltd | Roof trusses |
AU2396177A (en) * | 1976-04-30 | 1978-10-12 | Webb D C | Interlocking building frame |
US4435940A (en) * | 1982-05-10 | 1984-03-13 | Angeles Metal Trim Co. | Metal building truss |
AU4489693A (en) * | 1992-08-26 | 1994-03-03 | Lionel Desmond Hill | Apparatus and methods for improved construction |
-
1996
- 1996-01-22 WO PCT/AU1996/000027 patent/WO1996022428A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1812844A (en) * | 1944-12-14 | 1947-02-27 | Charles Norman Hirst and Lionel Wolfe Coppleson Ian Wentworth Jefferson | Improvements relating to prefabricated buildings |
AU3228471A (en) * | 1971-08-12 | 1973-02-15 | Dura Frame Systems Pty. Ltd | Roof trusses |
AU2396177A (en) * | 1976-04-30 | 1978-10-12 | Webb D C | Interlocking building frame |
US4435940A (en) * | 1982-05-10 | 1984-03-13 | Angeles Metal Trim Co. | Metal building truss |
AU4489693A (en) * | 1992-08-26 | 1994-03-03 | Lionel Desmond Hill | Apparatus and methods for improved construction |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999067477A1 (en) * | 1998-06-22 | 1999-12-29 | Design Steel Pty. Ltd. | A chord member |
WO2001083906A1 (en) * | 2000-04-27 | 2001-11-08 | Millers Global Enterprises Pty Ltd | An improved roof truss assembly |
EP1162324A1 (en) * | 2000-05-25 | 2001-12-12 | Kurt A. Keil | Structural tubing members with flared out end segments for conjoining |
US6990782B2 (en) | 2001-06-20 | 2006-01-31 | Nippon Steel Corporation | Method for assembling building with thin and lightweight shaped-steel members |
EP1293619A1 (en) * | 2001-09-12 | 2003-03-19 | Ward Building Components Limited | Truss system and truss connector |
GB2379678A (en) * | 2001-09-12 | 2003-03-19 | Ward Building Components Ltd | A truss system |
US10287774B2 (en) | 2014-10-10 | 2019-05-14 | Keith Dietzen | Truss assembly |
US10400453B2 (en) | 2014-10-10 | 2019-09-03 | Keith Dietzen | Truss assembly |
US10407909B2 (en) | 2014-10-10 | 2019-09-10 | Keith Dietzen | Truss assembly |
CN110936104A (en) * | 2019-06-26 | 2020-03-31 | 浙江精工钢结构集团有限公司 | Manufacturing method of space torsion box type node |
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