EP0808948B1 - Wire rope net for protection against falling rocks, felling or avalanches and method for making same - Google Patents

Wire rope net for protection against falling rocks, felling or avalanches and method for making same Download PDF

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Publication number
EP0808948B1
EP0808948B1 EP97107691A EP97107691A EP0808948B1 EP 0808948 B1 EP0808948 B1 EP 0808948B1 EP 97107691 A EP97107691 A EP 97107691A EP 97107691 A EP97107691 A EP 97107691A EP 0808948 B1 EP0808948 B1 EP 0808948B1
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EP
European Patent Office
Prior art keywords
wire rope
mesh
meshes
wire
heads
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.)
Expired - Lifetime
Application number
EP97107691A
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German (de)
French (fr)
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EP0808948A2 (en
EP0808948A3 (en
Inventor
Hermann Kaiser
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.)
OICHTNER, FRANZ
Original Assignee
Oichtner Franz
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Publication date
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Publication of EP0808948A2 publication Critical patent/EP0808948A2/en
Publication of EP0808948A3 publication Critical patent/EP0808948A3/en
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Publication of EP0808948B1 publication Critical patent/EP0808948B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
    • E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
    • E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps

Definitions

  • the invention relates to a wire rope network according to the preamble of the claim 1.
  • wire rope nets also called safety nets
  • safety nets are usually used arranged between upright beams anchored in the ground and connected to the girders by wire ropes. You can these wire ropes are equipped with spring links or by rope brakes be led through to some of the energy of the impact on the network To record good things. Wire rope nets are also known are made up of rings.
  • the known wire rope networks have a considerable amount Weight and require a considerable amount Manufacturing effort.
  • the invention seeks to remedy this.
  • the Invention as characterized in the claims solves the task of a wire rope net for rockfall, Logging and avalanche barriers and a procedure to create the same, which is a savings allowed on the amount of necessary wire ropes and can be produced with little effort.
  • Figure 1 shows a section of a Wire rope net that consists of several together in the form of Mesh connected wire ropes 1,2,3, ... put together is. At their ends, the wire ropes 1, 2, 3, ... are through conventional connecting parts, loops, clamps, etc. which are indicated with the reference numerals 4 and 5, with each other connected.
  • the known wire ropes for Connection of the wire mesh with supports can, as from Figure 1 is clearly visible, through which Loops 6,7,8,9 of the top wire rope 1 through which Loops of the lowest (not visible) wire rope of the complete network, and through the outermost Loops 6, 10, 11 left and right (not visible) become.
  • the wire ropes 1,2,3 can be different be wavy, i.e. the individual stitches can be different Have shapes.
  • the preferred form is in Figure 3 shown. It can be seen that the The shape of the mesh is derived from a circular shape.
  • the Wire rope 1 is drawn in a solid line and the supplementary, Geometric part of the circular arc is indicated and dotted designated with the reference number 12. It can be seen that the head 13 of each stitch 14 has an arc with a Centering angle of more than 180 ° describes. Further it can be seen that the stitches are basically only one Mesh head, but have no mesh legs. Neighbors Stitches 14 thus close with their heads 13 directly to each other, the heads 13 each in point in opposite directions.
  • a first wire rope 2 is by means of a Shaping device for the waveform shown in Figure 2 reshaped so that the drawn heads 10.16, 17.18, ... arise.
  • a second Wire rope 1 shaped in the same way so that the heads 6,7,8,9, ... are formed.
  • the wire rope 1 pushed against the wire rope 2 and all heads 6,7,8,9, ... relative to the drawing level in Figure 2 from above through the heads 10,16,17,18, ... so the arrangement drawn in Figure 1 of the two wire ropes 1, 2 is reached.
  • a subsequent one Wire rope is then passed through the heads with the heads 6,7,8,9, ... and these processes are repeated with additional wire ropes until the complete Wire rope net is formed.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Knitting Of Fabric (AREA)

Abstract

The head (6-11) of each mesh section can form a curve extending through more than 180 degrees, and to which a similar head curving in the opposite direction on an adjacent section is attached. All mesh sections can have the same shape of head. An undulating shape can be imparted to a series of wire ropes, after which these are threaded through each other.

Description

Die Erfindung betrifft ein Drahtseilnetz nach dem Oberbegriff des Anspruchs 1.The invention relates to a wire rope network according to the preamble of the claim 1.

Solche Drahtseilnetze, auch Auffangnetze genannt, werden üblicherweise zwischen im Boden verankerten, aufrecht stehenden Trägern angeordnet und über Drahtseile mit den Trägern verbunden. Dabei können diese Drahtseile mit Federgliedern ausgerüstet oder durch Seilbremsen hindurch geführt sein, um einen Teil der Energie des auf das Netz aufprallenden Gutes aufzunehmen. Weiter sind Drahtseilnetze bekannt, die aus Ringen aufgebaut sind.Such wire rope nets, also called safety nets, are usually used arranged between upright beams anchored in the ground and connected to the girders by wire ropes. You can these wire ropes are equipped with spring links or by rope brakes be led through to some of the energy of the impact on the network To record good things. Wire rope nets are also known are made up of rings.

Bei einem Netz nach der Druckschrift GB-A-435 202 sind die Maschen der einzeln vorgebogenen Drähte stets von der gleichen Seite durch die Maschen des nachfolgenden Drahtes geführt. Bei einem grossflächigen Netz führt dies zu einer Bogenform, wenn die einzelnen Drahtseile wegen der entsprechenden Festigkeit nicht oder nur sehr schlecht biegsam sind. Es kann zudem nur schlecht zusammengelegt werden, was den Transport insbesondere in Berggebiete erheblich erschwert. Dieses Netz ist ferner durch Drähte hergestellt, dadurch es sich für Verbauungen nicht eignen würde, da solche Drähte eine zu geringe Festigkeit aufweisen.In a network according to GB-A-435 202 the stitches are of the individually pre-bent wires always from the same side through the Mesh of the subsequent wire led. With a large area Mesh leads to an arch shape when the individual wire ropes are due the corresponding strength is not or only very poorly flexible are. It is also difficult to put together what the Transport, especially in mountain areas, is considerably more difficult. This network is also made by wires, making it suitable for obstructions would not be suitable because such wires are too weak.

Bei einem anderen Netz nach der Druckschrift CH-A-376 459 sind an sich auch Stahllitzen vorgesehen. Diese Stahllitzen sind aber nicht ineinandergeflochten, sondern durch Klemmhülsen aneinander an den sich gegenseitig zugewandten Schlaufenspitzen befestigt. Diese Art von Netz bedingt aber durch das Anbringen dieser Klemmhülsen für jede Schlaufe einen grossen Aufwand bei der Herstellung. Ausserdem sind diese Klemmhülsen festigkeitsmässig ungünstig, da sie bei einer entsprechenden Belastung einer hohen Zugkraft ausgesetzt sind. Ein solches Netz kann somit auch sehr schlecht zusammengelegt und gestapelt werden. In another network according to the publication CH-A-376 459 are on steel strands are also provided. But these steel strands are not intertwined, but by clamping sleeves to each other mutually facing loop tips attached. This kind of Network due to the attachment of these ferrules for everyone Loop a lot of effort in the manufacture. Also are these clamping sleeves unfavorable in terms of strength, since they have a corresponding Exposed to high tensile loads. Such one Net can therefore also be folded and stacked very poorly become.

Die bekannten Drahtseilnetze weisen ein beträchtliches Gewicht auf und bedingen einen beträchtlichen Aufwand zur Fertigung.The known wire rope networks have a considerable amount Weight and require a considerable amount Manufacturing effort.

Hier will die Erfindung Abhilfe schaffen. Die Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, löst die Aufgabe, ein Drahtseilnetz für Steinschlag-, Holzschlag- und Lawinenverbauungen sowie ein Verfahren zur Herstellung derselben zu schaffen, welches eine Ersparnis an der Menge der dazu notwendigen Drahtseile erlaubt und mit wenig Aufwand herstellbar ist.The invention seeks to remedy this. The Invention as characterized in the claims solves the task of a wire rope net for rockfall, Logging and avalanche barriers and a procedure to create the same, which is a savings allowed on the amount of necessary wire ropes and can be produced with little effort.

Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass im Vergleich mit einem aus Ringen aufgebauten Netz derselben Maschenweite zur Herstellung eines gemäss der Erfindung aufgebauten Drahtseilnetzes ungefähr 20 % weniger Seil benötigt wird, was zu erheblich kleineren Kosten für das Material führt. Weiter kann die Fertigung viel einfacher sein. The advantages achieved by the invention are essentially that compared with a mesh of the same mesh size made up of rings for producing a constructed according to the invention Wire rope network requires approximately 20% less rope will, resulting in significantly lower material costs leads. Furthermore, manufacturing can be much easier his.

Im folgenden wird die Erfindung anhand von lediglich einen Ausführungsweg darstellenden Zeichnungen näher erläutert.

  • Abbildung 1 zeigt einen Teil eines Drahtseilnetzes,
  • Abbildung 2 zeigt zwei wellenförmig verformte Drahtseile zur Illustration des Herstellungsverfahrens, und
  • Abbildung 3 zeigt ein wellenförmig verformtes Drahtseil zur Illustration der geometrischen Form der Maschen.
    • The invention is explained in more detail below with the aid of drawings which illustrate only one embodiment.
  • Figure 1 shows part of a wire rope network,
  • Figure 2 shows two wavy wire ropes to illustrate the manufacturing process, and
  • Figure 3 shows a wavy wire rope to illustrate the geometric shape of the mesh.

    • Abbildung 1 zeigt einen Ausschnitt aus einem Drahtseilnetz, das aus mehreren miteinander in Form von Maschen verbundenen Drahtseilen 1,2,3,... zusammengesetzt ist. Bei ihren Enden sind die Drahtseile 1,2,3,... durch herkömmliche Verbindungsteile, Schlaufen, Klemmen, etc. die mit den Bezugsziffern 4 und 5 angedeutet sind, miteinander verbunden. Die an sich bekannten Drahtseile zur Verbindung des Drahtnetzes mit Stützen können, wie aus der Abbildung 1 deutlich ersichtlich ist, durch die Schlaufen 6,7,8,9 des obersten Drahtseiles 1, durch die Schlaufen des untersten (nicht sichtbaren) Drahtseiles des vollständigen Netzes, und durch die äussersten Schlaufen 6,10,11 links und rechts (nicht sichtbar) geführt werden.Figure 1 shows a section of a Wire rope net that consists of several together in the form of Mesh connected wire ropes 1,2,3, ... put together is. At their ends, the wire ropes 1, 2, 3, ... are through conventional connecting parts, loops, clamps, etc. which are indicated with the reference numerals 4 and 5, with each other connected. The known wire ropes for Connection of the wire mesh with supports can, as from Figure 1 is clearly visible, through which Loops 6,7,8,9 of the top wire rope 1 through which Loops of the lowest (not visible) wire rope of the complete network, and through the outermost Loops 6, 10, 11 left and right (not visible) become.

    Die Drahtseile 1,2,3 können unterschiedlich gewellt sein, d.h. die einzelnen Maschen können unterschiedliche Formen aufweisen. Die bevorzugte Form ist in Abbildung 3 dargestellt. Es ist ersichtlich, dass die Form der Maschen von einer Kreisform abgeleitet ist. Das Drahtseil 1 ist ausgezogen gezeichnet und der ergänzende, geometrische Kreisbogenteil ist punktiert angedeutet und mit der Bezugsziffer 12 bezeichnet. Es ist ersichtlich, dass der Kopf 13 jeder Masche 14 einen Kreisbogen mit einem Zentrierwinkel von mehr als 180° beschreibt. Weiter ist ersichtlich, dass die Maschen grundsätzlich nur einen Maschenkopf, jedoch keine Maschenschenkel aufweisen. Benachbarte Maschen 14 schliessen somit mit ihren Köpfen 13 unmittelbar aneinander an, wobei die Köpfe 13 jeweils in entgegengesetzten Richtungen weisen.The wire ropes 1,2,3 can be different be wavy, i.e. the individual stitches can be different Have shapes. The preferred form is in Figure 3 shown. It can be seen that the The shape of the mesh is derived from a circular shape. The Wire rope 1 is drawn in a solid line and the supplementary, Geometric part of the circular arc is indicated and dotted designated with the reference number 12. It can be seen that the head 13 of each stitch 14 has an arc with a Centering angle of more than 180 ° describes. Further it can be seen that the stitches are basically only one Mesh head, but have no mesh legs. Neighbors Stitches 14 thus close with their heads 13 directly to each other, the heads 13 each in point in opposite directions.

    Die Herstellung des Drahtseilnetzes ist denkbar einfach und wird nun insbesondere unter Bezugnahme auf die Abbildung 2 erläutert.The manufacture of the wire rope network is conceivable simple and will now be particularly referenced explained in Figure 2.

    Ein erstes Drahtseil 2 wird mittels einer Formvorrichtung zur in der Abbildung 2 gezeigten Wellenform umgeformt, derart, dass die gezeichneten Köpfe 10,16, 17,18,... entstehen. Danach wird ein zweites Drahtseil 1 in derselben Weise geformt, so dass die Köpfe 6,7,8,9,... gebildet werden. Danach wird das Drahtseil 1 gegen das Drahtseil 2 geschoben und alle Köpfe 6,7,8,9,... relativ zur Zeichnungsebene der Abbildung 2 von oben her durch die Köpfe 10,16,17,18,... hindurchgesteckt, so dass die in Abbildung 1 gezeichnete Anordnung der zwei Drahtseile 1,2 erreicht wird. Ein nachfolgendes Drahtseil wird dann mit den Köpfen durch die Köpfe 6,7,8,9,... hindurchgesteckt, und diese Vorgänge werden mit weiteren Drahtseilen wiederholt, bis das vollständige Drahtseilnetz gebildet ist.A first wire rope 2 is by means of a Shaping device for the waveform shown in Figure 2 reshaped so that the drawn heads 10.16, 17.18, ... arise. After that, a second Wire rope 1 shaped in the same way so that the heads 6,7,8,9, ... are formed. Then the wire rope 1 pushed against the wire rope 2 and all heads 6,7,8,9, ... relative to the drawing level in Figure 2 from above through the heads 10,16,17,18, ... so the arrangement drawn in Figure 1 of the two wire ropes 1, 2 is reached. A subsequent one Wire rope is then passed through the heads with the heads 6,7,8,9, ... and these processes are repeated with additional wire ropes until the complete Wire rope net is formed.

    Claims (4)

    1. A wire rope net for protection fences against falling rocks, felling or avalanches, comprising a plurality of meander-shaped wire ropes (1; 2; 3) interconnected in form of meshes in a form-locked state and forming a knitted or web-like meshed network, wherein each meander-shaped wire rope (1; 2; 3) includes a plurality of meshes, characterized in that
      the meshes (10, 16, 17, 18) of a second wire rope (2) are inserted through the meshes (11) of a first wire rope (3) from behind, the meshes (6, 7, 8, 9) of a third wire rope (1) are insertet through the meshes (10, 16, 17, 18) of the second wire rope (2) from the front, and that the following wire ropes are inserted through the respectively preceding wire ropes in the same order.
    2. A wire rope net according to claim 1, characterized in that the head (6-11; 13; 16-18) of each mesh (14) of the net forms at least approximately an arc (12) of a circle having an angle at the centre of more than 180°, and in that each mesh (14) is joined directly by the head of an adjacent mesh, said head pointing to the opposite direction.
    3. A wire rope net according to claim 2, characterized in that the heads of all meshes are of the same shape.
    4. A method of making the wire rope net according to one of the preceding claims, characterized in that a plurality of wire ropes (1; 2; 3) are deformed wave-like to provide mesh heads (6-11; 13; 16-18), and thereafter the mesh heads (6-9) of a particular wire rope (1) are inserted through the mesh heads (10; 16-18) of the following wire rope (2) to be interconnected with the first said wire rope.
    EP97107691A 1996-05-24 1997-05-10 Wire rope net for protection against falling rocks, felling or avalanches and method for making same Expired - Lifetime EP0808948B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    CH131896 1996-05-24
    CH01318/96A CH690368A5 (en) 1996-05-24 1996-05-24 Wire mesh for rockfall, Holzschlag- and avalanche barriers and methods of manufacturing the same.
    CH1318/96 1996-05-24

    Publications (3)

    Publication Number Publication Date
    EP0808948A2 EP0808948A2 (en) 1997-11-26
    EP0808948A3 EP0808948A3 (en) 1998-07-08
    EP0808948B1 true EP0808948B1 (en) 2001-10-31

    Family

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP97107691A Expired - Lifetime EP0808948B1 (en) 1996-05-24 1997-05-10 Wire rope net for protection against falling rocks, felling or avalanches and method for making same

    Country Status (6)

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    US (1) US5996972A (en)
    EP (1) EP0808948B1 (en)
    AT (1) ATE207991T1 (en)
    CH (1) CH690368A5 (en)
    DE (1) DE59705138D1 (en)
    ES (1) ES2166933T3 (en)

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    CH692921A5 (en) * 1998-02-25 2002-12-13 Fatzer Ag Wire mesh preferably as rockfall protection or for securing a Erdoberflächenschicht.
    US7785031B2 (en) 2002-02-07 2010-08-31 Universal Safety Response, Inc. Energy absorbing system
    EA006186B1 (en) * 2002-02-07 2005-10-27 Юниверсал Сейфти Респонс, Инк. Energy absorbing system
    FR2839322B1 (en) * 2002-05-06 2004-06-11 Geotechnique Et Travaux Specia MESH STRUCTURE FORMED BY KNITTING OF METAL CABLES
    ITMI20031601A1 (en) * 2003-08-04 2005-02-05 Italgeo S R L WIRE RING NET, PARTICULARLY FOR BARRIERS PARAMASES AND ROCKY WALL COVERINGS, AS WELL AS PROCEDURE FOR THE CONSTRUCTION OF THE NETWORK.
    US7210873B2 (en) 2003-12-02 2007-05-01 Universal Safety Response, Inc. Energy absorbing system with support
    CH697096A5 (en) * 2004-06-08 2008-04-30 Fatzer Ag Safety net, especially for rockfall protection or for verge securing.
    WO2009086960A1 (en) * 2008-01-04 2009-07-16 Nv Bekaert Sa Mining mesh with double knot
    EP2489785B1 (en) 2011-02-17 2014-10-15 Trumer Schutzbauten GesmbH Rock fall obstruction
    KR101189013B1 (en) 2011-10-26 2012-10-08 전홍기 Optical fiber cable net and method for producing the same
    EP2794997B1 (en) 2011-12-22 2016-03-09 Trumer Schutzbauten GesmbH Protection structure
    CH706178B1 (en) * 2012-02-24 2016-02-15 Geobrugg Ag Network, in particular for the protection, safety, Gewässerzucht- or architectural field, as well as an apparatus for manufacturing of the network.
    US10215456B2 (en) * 2013-12-13 2019-02-26 Nec Corporation Refrigerant distribution device and cooling apparatus
    DE102017101754B3 (en) * 2017-01-30 2018-05-17 Geobrugg Ag Wire mesh and method of making a coil for a wire mesh
    US10738424B2 (en) 2017-08-04 2020-08-11 R&B Leasing, Llc System and method for mitigating rockfalls
    US11391005B2 (en) 2017-08-04 2022-07-19 R&B Leasing, Llc System and method for mitigating rockfalls

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    Also Published As

    Publication number Publication date
    EP0808948A2 (en) 1997-11-26
    US5996972A (en) 1999-12-07
    CH690368A5 (en) 2000-08-15
    DE59705138D1 (en) 2001-12-06
    EP0808948A3 (en) 1998-07-08
    ATE207991T1 (en) 2001-11-15
    ES2166933T3 (en) 2002-05-01

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