EP0381615A2 - Elément de renforcement d'une poutre en treillis - Google Patents

Elément de renforcement d'une poutre en treillis Download PDF

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Publication number
EP0381615A2
EP0381615A2 EP90810043A EP90810043A EP0381615A2 EP 0381615 A2 EP0381615 A2 EP 0381615A2 EP 90810043 A EP90810043 A EP 90810043A EP 90810043 A EP90810043 A EP 90810043A EP 0381615 A2 EP0381615 A2 EP 0381615A2
Authority
EP
European Patent Office
Prior art keywords
wire
polygon
belt
belts
base
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.)
Withdrawn
Application number
EP90810043A
Other languages
German (de)
English (en)
Other versions
EP0381615A3 (fr
Inventor
Peter Salzmann
Hans Hügi
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.)
Pantex Stahl AG
Original Assignee
Pantex-Stahl AG
Pantex Stahl AG
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 Pantex-Stahl AG, Pantex Stahl AG filed Critical Pantex-Stahl AG
Publication of EP0381615A2 publication Critical patent/EP0381615A2/fr
Publication of EP0381615A3 publication Critical patent/EP0381615A3/fr
Withdrawn legal-status Critical Current

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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
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/065—Light-weight girders, e.g. with precast parts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • 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
    • E04C2003/0495—Truss like structures composed of separate truss elements the truss elements being located in several non-parallel surfaces

Definitions

  • the present invention relates to a stiffening element according to the preamble of independent claim 1.
  • arch supports are installed to support the vault after tunneling, with which free passage is guaranteed and which are subsequently concreted in.
  • shotcrete means that more and more lattice girders are used because, unlike I or U girders, they have no splash shadow and therefore an even concrete surface is made possible.
  • lattice girders are described for example in EP-B-73733.
  • the stiffening elements should ideally be relatively close to each other on the one hand, and on the other hand, the single girder bar of the lattice girder should be supported in the middle between the nodes, so that its buckling length is halved.
  • the tried and tested pyramid shape of the stiffening element is intended to ensure a high level of dimensional stability or cross-sectional stability both against bending stresses and against beans stresses on kinks and torsion can be achieved.
  • the stiffening element can be formed in one piece, so that its connection to the belt rods can take place at relatively few welding points, which results in a correspondingly lower embrittlement of the material due to the welding.
  • the welding point S5 on the apex belt T3 is specified as the only welding point, although it could easily be addressed as two welding points if the two wire polygons 1, 2 were at a greater distance.
  • a two areas marked by a dashed line are highlighted. In these areas A, in addition to the wire polygons 1, 2, a wire triangle 3 is welded on in order to increase the strength of the belt carrier.
  • three welding points S1, S2, S3 or S6, S10, S11 etc. practically coincide so that the undesirable formation of martensite is promoted, which was mentioned earlier.
  • two triangular wire polygons 10, 20 similar to the above-described example can also be seen in FIG. 2, which are welded to a common welding point S3 on the apex belt T3.
  • the wire polygon 20 is provided with a strut 40 connecting the two base straps T1, T2
  • another triangular wire polygon 30 is connected to the other wire polygon 10, but without a strut connecting the two base straps T1, T2.
  • the necessary strut between the base belts T1, T2 is formed by the following wire polygon as indicated by a broken line.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Bridges Or Land Bridges (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP19900810043 1989-02-01 1990-01-19 Elément de renforcement d'une poutre en treillis Withdrawn EP0381615A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH342/89 1989-02-01
CH342/89A CH677954A5 (fr) 1989-02-01 1989-02-01

Publications (2)

Publication Number Publication Date
EP0381615A2 true EP0381615A2 (fr) 1990-08-08
EP0381615A3 EP0381615A3 (fr) 1991-04-10

Family

ID=4184832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900810043 Withdrawn EP0381615A3 (fr) 1989-02-01 1990-01-19 Elément de renforcement d'une poutre en treillis

Country Status (7)

Country Link
US (1) US5054964A (fr)
EP (1) EP0381615A3 (fr)
JP (1) JPH0637840B2 (fr)
CA (1) CA2007292A1 (fr)
CH (1) CH677954A5 (fr)
CS (1) CS43290A2 (fr)
HU (1) HUT59993A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012108479A1 (de) * 2012-09-11 2014-03-13 Bochumer Eisenhütte Heintzmann GmbH & Co. KG Gitterträger
AT14169U1 (de) * 2013-12-27 2015-05-15 Sz Schacht Und Streckenausbau Gmbh Nachgiebigkeitselement

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5149228A (en) * 1991-06-26 1992-09-22 Hl&H Timber Products (Proprietary) Limited Prop preloading apparatus
JP2843494B2 (ja) * 1994-03-18 1999-01-06 ワイケイケイアーキテクチュラルプロダクツ株式会社 構造部材
KR200152480Y1 (ko) * 1997-02-28 1999-07-15 조세훈 철근콘크리트 슬래브의 데크패널
DE10020572C2 (de) * 2000-04-27 2002-04-11 Rudolf Seiz Gitterträgerausbaurahmen für den Berg- und Tunnelbau
AU2002256575B2 (en) * 2001-06-12 2008-07-03 Premier Steel Technologies Pty Limited A structural formwork member
US20050252123A1 (en) * 2004-05-14 2005-11-17 Karen Colonias Construction connector anchor cage system
CN102485402A (zh) * 2011-01-25 2012-06-06 上海汇众汽车制造有限公司 增强汽车后桥强度的焊接方法
AR090164A1 (es) * 2012-02-27 2014-10-22 Hengelhoef Concrete Joints Mfg Nv Junta de expansion
US20200087911A1 (en) * 2016-12-14 2020-03-19 Starpartner Pty Ltd Truss, permanent formwork element and slab
KR102000261B1 (ko) * 2017-02-13 2019-07-24 주식회사 스틸텍 간격유지 및 강성증대 구조의 스파이더가 적용된 사변형 격자지보

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2556087A1 (de) * 1975-12-12 1977-06-16 Julius Georg Stefan Dip Keller Gittertraeger als bewehrungselement fuer betonbauteile
GB2195677A (en) * 1986-10-03 1988-04-13 Pantex Stahl Ag Triangular section lattice girder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB816059A (en) * 1955-05-18 1959-07-08 Fritz Grebner Lattice girders and structural steel lattice framework
US3381479A (en) * 1964-03-06 1968-05-07 Silver S P A Method of forming a line in a gallery
CH547410A (de) * 1972-11-15 1974-03-29 Baustoff & Handels Ag Deckentraeger.
AR204992A1 (es) * 1973-06-13 1976-03-31 Rheinische Filigranbau Gmbh Co Vigas de celosia para armadura de hormigon procedimiento y aparato para su fabricacion
DE8125375U1 (de) * 1981-09-01 1982-01-21 Pantex-Stahl AG, 6233 Büron Gittertraeger fuer den untertag-strecken- und schachtausbau

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2556087A1 (de) * 1975-12-12 1977-06-16 Julius Georg Stefan Dip Keller Gittertraeger als bewehrungselement fuer betonbauteile
GB2195677A (en) * 1986-10-03 1988-04-13 Pantex Stahl Ag Triangular section lattice girder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012108479A1 (de) * 2012-09-11 2014-03-13 Bochumer Eisenhütte Heintzmann GmbH & Co. KG Gitterträger
EP2706194A3 (fr) * 2012-09-11 2015-07-29 Bochumer Eisenhütte Heintzmann GmbH&Co. Kg Support de grille
AT14169U1 (de) * 2013-12-27 2015-05-15 Sz Schacht Und Streckenausbau Gmbh Nachgiebigkeitselement
AT14755U1 (de) * 2013-12-27 2016-05-15 Sz Schacht Und Streckenausbau Gmbh Nachgiebigkeitselement

Also Published As

Publication number Publication date
CS43290A2 (en) 1991-07-16
EP0381615A3 (fr) 1991-04-10
JPH0637840B2 (ja) 1994-05-18
HU900276D0 (en) 1990-05-28
JPH02209600A (ja) 1990-08-21
HUT59993A (en) 1992-07-28
US5054964A (en) 1991-10-08
CA2007292A1 (fr) 1990-08-01
CH677954A5 (fr) 1991-07-15

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