EP0777020A1 - Elément de précontrainte en forme de ruban - Google Patents

Elément de précontrainte en forme de ruban Download PDF

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Publication number
EP0777020A1
EP0777020A1 EP96890159A EP96890159A EP0777020A1 EP 0777020 A1 EP0777020 A1 EP 0777020A1 EP 96890159 A EP96890159 A EP 96890159A EP 96890159 A EP96890159 A EP 96890159A EP 0777020 A1 EP0777020 A1 EP 0777020A1
Authority
EP
European Patent Office
Prior art keywords
band
shaped
monostrands
sheath
element according
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
EP96890159A
Other languages
German (de)
English (en)
Other versions
EP0777020B1 (fr
Inventor
Hermann Dipl.-Ing. Thal
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
Publication of EP0777020A1 publication Critical patent/EP0777020A1/fr
Application granted granted Critical
Publication of EP0777020B1 publication Critical patent/EP0777020B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08—Members specially adapted to be used in prestressed constructions
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables

Definitions

  • the invention relates to a band-shaped pretensioning element consisting of a plurality of parallel, plastic-coated monostrands, which are enclosed by a common sheath, preferably made of plastic.
  • the invention has for its object to provide a band-shaped biasing element made of monostrands, which is simple to manufacture while avoiding the disadvantages of the known biasing elements, has a high load-bearing capacity and can be wound onto a drum without difficulty and is considerably cheaper in comparison to the known methods is to be produced.
  • mono strands are provided as plastic-coated strands, which are loosely arranged next to one another in at least one plane in the sheath which they enclose together.
  • Monostrands are generally understood to be strands with a central wire which is enclosed by a ring of wires, the ring preferably consisting of six wires. All of these wires can be parallel to each other or twisted into a braid. Such a wire bundle can be greased and is from one Enclosed plastic sheath. The fat can also be present between the wires. Such strands have been available on the market for many years under the name monostrands.
  • the monostrands lie side by side side by side.
  • the sheath enclosing the monostrands arranged in a band is surrounded by a second sheath, preferably made of plastic, the inner sheath being designed as a separating film and a separating agent preferably being present between the two shells, thereby preventing that when the second jacket is extruded, the two jackets are welded together.
  • a lubricant or talc can be used as a release agent.
  • the monostrands are arranged in at least one layer and form a rectangular band with the common sheath.
  • any gaps within the jacket e.g. outer gusset between the monostrands and the sheath enclosing them may be filled in, the filler being e.g. Cement can be used.
  • a monostrand 1 as shown in FIGS. 1 and 2, consists of a central wire 3 which is enclosed by a ring, preferably six wires 3 '. This wire bundle can be greased and is enclosed by a plastic jacket 4.
  • the wires 3, 3 ' can be parallel to each other or twisted into a braid.
  • gusset-shaped cavity 5 Between each two adjacent monostrands 1 of the band-shaped prestressing element there is a gusset-shaped cavity 5, which may be filled with a filling material, e.g. Cement, talcum or the like can be filled, which is also present in the corners of the essentially rectangular plastic casing 2.
  • a filling material e.g. Cement, talcum or the like
  • two rows of monostrands 1 are provided, which lie one above the other.
  • the number of adjacent or superimposed monostrands can be chosen as desired. So there is the possibility to arrange only two or three or more than four monostrands side by side.
  • the rows of the strands lying one above the other can also be of any design.
  • spaces 6 are provided between the monostrands 1, which, like the gusset 5, are filled with the same filling material.
  • spaces can also be provided between the monostrands and the plastic sheath that encloses them together, which spaces can also be filled with the filler material mentioned.
  • the inner plastic jacket can be designed as a separating film, which has a thickness of 1.5 mm, for example, the outer plastic jacket can have a double thickness of 3 mm, for example.
  • the separating film itself or in connection with a separating agent applied over it prevents the outer casing from being welded together Sheath with the outer sheaths of the monostrands.
  • the sheath 2 jointly surrounding the monostrands 1 is rounded at the ends of the band, preferably in a semicircular shape, and encompasses the end monostrands 1 'and 1' '. In this embodiment, there are spaces 6 between the monostrands.
  • the monostrands are spaced from one another, while in the embodiment according to FIG. 7 of the drawing the monostrands 1 lie against one another and form gussets 5 between them. In both cases, the ends of the band-shaped prestressing element are enclosed in a semicircular shape by the common casing 2.
  • any other type of application of the sheath 2 jointly surrounding the monostrands 1 can be carried out. It is thus possible to use two half-shell-shaped shells, preferably made of thermoplastic material, which, when warm, are placed on the row of monostrands on both sides and at the end, i.e. at the joints, are welded. However, there is also the possibility of using a tape made of thermoplastic material, which is bent over the row of monostrands when warm and at the end of which the jointing ends of the tape are connected by a single weld seam.
  • FIG. 8 showing an embodiment of the course of the band-shaped prestressing element according to the invention in a bridge.
  • Hiebei the band-shaped prestressing elements are guided in a saddle at the deflection points.
  • 9 and 11 show a lower deflection point.
  • the band-shaped pretensioning elements in the present case three bands, are laid next to one another, with a space being left above the bands and laterally thereof, which is filled with a plastic body 10 with a rectangular cross section at the point where the bands expand.
  • the ligaments stretch in both the Y direction and the X direction, so that the opposing margins, as shown in FIG. 12 be filled with a plastic body 10 '.
  • four band-shaped prestressing elements of the type shown in FIG. 6 are laid one above the other, the plastic bodies 10, as shown in FIG. 12, being adapted to the lateral shape of the band-shaped prestressing elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Insulated Conductors (AREA)
  • Cable Accessories (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Ropes Or Cables (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP96890159A 1995-11-30 1996-10-08 Elément de précontrainte en forme de ruban Expired - Lifetime EP0777020B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT195695 1995-11-30
AT0195695A AT402745B (de) 1995-11-30 1995-11-30 Bandförmiges vorspannelement
AT1956/95 1995-11-30

Publications (2)

Publication Number Publication Date
EP0777020A1 true EP0777020A1 (fr) 1997-06-04
EP0777020B1 EP0777020B1 (fr) 2002-08-21

Family

ID=3524688

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96890159A Expired - Lifetime EP0777020B1 (fr) 1995-11-30 1996-10-08 Elément de précontrainte en forme de ruban

Country Status (3)

Country Link
EP (1) EP0777020B1 (fr)
AT (2) AT402745B (fr)
DE (1) DE59609572D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711002A1 (de) * 1997-03-17 1998-10-01 Suspa Spannbeton Gmbh Vorgefertigtes Zugglied, insbesondere als Umfangsspannglied für Großbehälter aus Beton
EP0990744A1 (fr) * 1998-10-02 2000-04-05 Hermann Dipl.-Ing. Thal Elément de tension
EP1164232A3 (fr) * 2000-06-15 2002-07-31 Hermann Thal Enveloppage d'éléments de précontrainte
DE10009243B4 (de) * 1999-03-03 2007-08-16 Bilfinger Berger Ag Verfahren zum Herstellen eines Zugglieds
DE102006030069A1 (de) * 2006-06-28 2008-01-03 Kamphues, Andreas, Dipl.-Ing. Spannglied und Verfahren zur Herstellung desselben
AT504886B1 (de) * 2007-09-10 2008-09-15 Thal Hermann Dipl Ing Bandförmiges vorspannelement
CN104452373A (zh) * 2014-11-26 2015-03-25 胡国良 曳力绳与曳力绳制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513609A (en) * 1968-03-13 1970-05-26 Du Pont Tendons for post-tensioned concrete construction
EP0393013A1 (fr) * 1989-04-12 1990-10-17 Vorspann-Technik Gesellschaft m.b.H. Faisceau d'élément de tension constitué de membres de contrainte comme cordons, barres ou câbles
EP0505351A1 (fr) * 1991-03-19 1992-09-23 Vorspann-Technik Gesellschaft m.b.H. Faisceau de tension pour construction précontrainte en béton

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513609A (en) * 1968-03-13 1970-05-26 Du Pont Tendons for post-tensioned concrete construction
EP0393013A1 (fr) * 1989-04-12 1990-10-17 Vorspann-Technik Gesellschaft m.b.H. Faisceau d'élément de tension constitué de membres de contrainte comme cordons, barres ou câbles
EP0505351A1 (fr) * 1991-03-19 1992-09-23 Vorspann-Technik Gesellschaft m.b.H. Faisceau de tension pour construction précontrainte en béton

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711002A1 (de) * 1997-03-17 1998-10-01 Suspa Spannbeton Gmbh Vorgefertigtes Zugglied, insbesondere als Umfangsspannglied für Großbehälter aus Beton
DE19711002C2 (de) * 1997-03-17 1999-12-30 Suspa Spannbeton Gmbh Vorgefertigtes Zugglied, insbesondere als Umfangsspannglied für Großbehälter aus Beton
EP0990744A1 (fr) * 1998-10-02 2000-04-05 Hermann Dipl.-Ing. Thal Elément de tension
DE10009243B4 (de) * 1999-03-03 2007-08-16 Bilfinger Berger Ag Verfahren zum Herstellen eines Zugglieds
EP1164232A3 (fr) * 2000-06-15 2002-07-31 Hermann Thal Enveloppage d'éléments de précontrainte
DE102006030069A1 (de) * 2006-06-28 2008-01-03 Kamphues, Andreas, Dipl.-Ing. Spannglied und Verfahren zur Herstellung desselben
AT504886B1 (de) * 2007-09-10 2008-09-15 Thal Hermann Dipl Ing Bandförmiges vorspannelement
EP2034103A1 (fr) * 2007-09-10 2009-03-11 Hermann Thal Elément de précontrainte en forme de bande
EP2182131A1 (fr) * 2007-09-10 2010-05-05 Hermann Thal Elément de précontrainte en forme de bande
CN104452373A (zh) * 2014-11-26 2015-03-25 胡国良 曳力绳与曳力绳制备方法

Also Published As

Publication number Publication date
ATA195695A (de) 1996-12-15
ATE222632T1 (de) 2002-09-15
AT402745B (de) 1997-08-25
DE59609572D1 (de) 2002-09-26
EP0777020B1 (fr) 2002-08-21

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