EP0163675A1 - Gitterträger. - Google Patents

Gitterträger.

Info

Publication number
EP0163675A1
EP0163675A1 EP19840904108 EP84904108A EP0163675A1 EP 0163675 A1 EP0163675 A1 EP 0163675A1 EP 19840904108 EP19840904108 EP 19840904108 EP 84904108 A EP84904108 A EP 84904108A EP 0163675 A1 EP0163675 A1 EP 0163675A1
Authority
EP
European Patent Office
Prior art keywords
lattice
rafter
truss
bar
head
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
EP19840904108
Other languages
English (en)
French (fr)
Other versions
EP0163675B1 (de
Inventor
Knud Skov
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT84904108T priority Critical patent/ATE41963T1/de
Publication of EP0163675A1 publication Critical patent/EP0163675A1/de
Application granted granted Critical
Publication of EP0163675B1 publication Critical patent/EP0163675B1/de
Expired legal-status Critical Current

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
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • 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
    • E04C2003/0486—Truss like structures composed of separate truss elements
    • 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

  • the invention relates to a lattice truss of the type defined in the introductory portion of the patent claim.
  • the object of the invention is to provide a lattice truss of the stated type in which only normal forces occur, i.e. either tension or pressure in the lattice bars.
  • each of the joints will be a hinge where the calculation of the forces of load including the dead load does not have to allow for addition of moment loads.
  • the lattice truss of the invention has the additional advantage that the lattice bars can be transported connected with the head of the rafter or the foot of the rafter in a state folded together with the member in question so that the truss can be pre-assembled and rapidly be erected on the building site.
  • figs. 2-5 show a joint connection according to the in ⁇ vention used in all the joints in whcih the head or the foot of the rafter is connected with two lattice bars,
  • fig. 2 shows the ends of two lattice bars and a pipe section according to the invention, in perspective with the members drawn apart,
  • fig. 3 shows the same elements as fig. 2 in perspective, but with the pipe section in position in the lattice bar called the second type lattice bar,
  • fig. 4 shows the same elements as fig. 3 in perspective, but with the lattice bar, called the first type, in po- sition with respect to the second type lattice bar and the pipe section, and
  • fig. 5 shows the finished joint connection at the rafter head in perspective, but before the bolt shown in the drawing has been screwed in.
  • the general lattice truss of fig. 1 which is supported at the ends, consists of a rafter head 1 and a rafter foot 2 and lattice bars 3 interconnecting these.
  • the joint is assembled as shown successively in figs. 2 to 5.
  • Fig. 2 shows the upper end of a first type lattice bar 10 made of a thin sheet to form a hollow profile, C-profile or U-profile.
  • the lattice bar 10 has rec ⁇ tangular recesses 11,12 in one set of opposite sides 13,14.
  • the recesses 11, 12 can receive and snugly surround a second type lattice bar 20 likewise manu ⁇ factured of a thin sheet to form a hollow profile, C- profile or U-profile.
  • the lattice bar 20 has mating holes 23, 24 for a pipe section 30, which has internal threads 31, 32 at each end and the same length as the internal spacing between the second set opposite walls 15, 16 of the first type lattice bar 10; the second set opposite walls 15, 16 have mating holes 17, IB for bolts which are shown and described in connection with fig. 5.
  • Fig. 3 shows how the pipe section 30 has to be disposed when positioned in the mating holes 23, 24 in the lattice bar 20, and fig. 4 shows how the first type lattice bar 10 is positioned so as to surround and sup ⁇ port the second type lattice bar 20 in a position in which the mating holes 17, 18 are in register with the threaded holes 31, 32 in the pipe section 30.
  • Fig. 5 shows a rafter head 40 whose profile, which is essentially a U-profile, has been manufactured by cold deformation. For reasons of strength the profile has additional bends along the edges so that in the embodi- ment shown the profile resembles that of a hat.
  • the undamped connection of fig. 4 is introduced between the branches 41, 42 in the U- profile of the rafter head 40.
  • These branches 41, 42 have mating holes of the same diameter as the mating holes in the lattice bar 10.
  • the Allen screw 50 shown in fig. 5 is inserted through the mating hole 43 in
  • the joint connection shown in fig. 5 at the rafter head 40 is identical with a joint connection at the rafter foot when fig. 5 is turned upside down, the same U-shaped profile being used for the rafter foot as for the rafter head.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Reinforcement Elements For Buildings (AREA)
EP19840904108 1983-11-08 1984-11-07 Gitterträger Expired EP0163675B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84904108T ATE41963T1 (de) 1983-11-08 1984-11-07 Gittertraeger.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK510983A DK150649C (da) 1983-11-08 1983-11-08 Gitterspaerfag
DK5109/83 1983-11-08

Publications (2)

Publication Number Publication Date
EP0163675A1 true EP0163675A1 (de) 1985-12-11
EP0163675B1 EP0163675B1 (de) 1989-04-05

Family

ID=8139522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840904108 Expired EP0163675B1 (de) 1983-11-08 1984-11-07 Gitterträger

Country Status (4)

Country Link
EP (1) EP0163675B1 (de)
DE (1) DE3477593D1 (de)
DK (1) DK150649C (de)
WO (1) WO1985002218A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2822899A (en) * 1998-03-23 1999-10-18 Claude Cote Wall structure
AU2003904103A0 (en) * 2003-08-06 2003-08-21 QuickFrame Steel Frames Pty Ltd Metal roof truss connection
AU2005209605A1 (en) * 2005-09-08 2007-03-22 Vlaeberg Pty Ltd Metal Roof Truss Connector Assembly
WO2010109267A1 (en) * 2009-03-21 2010-09-30 Paulo Emmanuel De Abreu Device for coaxial adjustment in lattice bars

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1813373A (en) * 1929-01-22 1931-07-07 Charles L Wooldridge Inc Lattice beam
FR1417350A (fr) * 1964-10-02 1965-11-12 Vallourec Matériau pour constructions dites à treillis
US3541749A (en) * 1968-09-20 1970-11-24 Arthur L Troutner Metal truss
DE2239573A1 (de) * 1972-03-03 1973-09-06 Metalleichtbau Veb K Fachwerktraeger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8502218A1 *

Also Published As

Publication number Publication date
DK150649B (da) 1987-05-11
DK150649C (da) 1987-10-26
WO1985002218A1 (en) 1985-05-23
DK510983A (da) 1985-05-09
DK510983D0 (da) 1983-11-08
DE3477593D1 (en) 1989-05-11
EP0163675B1 (de) 1989-04-05

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