EP3143209B1 - Dynamic stone chip protection barrier - Google Patents

Dynamic stone chip protection barrier Download PDF

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Publication number
EP3143209B1
EP3143209B1 EP15725868.2A EP15725868A EP3143209B1 EP 3143209 B1 EP3143209 B1 EP 3143209B1 EP 15725868 A EP15725868 A EP 15725868A EP 3143209 B1 EP3143209 B1 EP 3143209B1
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EP
European Patent Office
Prior art keywords
protection barrier
barrier according
dynamic protection
support
tensioning element
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.)
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Application number
EP15725868.2A
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German (de)
French (fr)
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EP3143209A1 (en
Inventor
Marcel Fulde
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Pfeifer Isofer AG
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Pfeifer Isofer AG
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Publication date
Family has litigation
Priority to DE202014102250.3U priority Critical patent/DE202014102250U1/en
Application filed by Pfeifer Isofer AG filed Critical Pfeifer Isofer AG
Priority to PCT/IB2015/000591 priority patent/WO2015173615A1/en
Publication of EP3143209A1 publication Critical patent/EP3143209A1/en
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Publication of EP3143209B1 publication Critical patent/EP3143209B1/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F7/00Devices 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
    • E01F7/04Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
    • E01F7/045Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps

Description

Die Erfindung betrifft eine dynamische Schutzbarriere zum Schutz gegen insbesondere Steinschlag und andere Naturgefahren gemäß dem Oberbegriff des Schutzanspruchs 1. Unter den Oberbegriff Steinschlag-Schutzbarrieren fallen Sicherungseinrichtungen vielfältiger Art wie gegen Schneerutsch, Maschinen, Eisschlag, Murgänge, Hangmuren, Rutschungen und dergleichen.
Bei dynamischen Steinschlag-Schutzbarrieren werden Belastungen üblicherweise von dem Netz aufgenommen und über Tragseile an die Stützkonstruktion, deren Verankerung und seitlich angebrachte Energieaufnahmeelemente (so genannte Bremselemente) sowie an seitliche Verankerungen weitergeleitet bzw. abgegeben.
In der JP 2004 019369 A und KR 2012 0083874 A sind dynamische Steinschlag-Schutzbarrieren gemäß dem Oberbegriff des Patentanspruchs 1 beschrieben. Bei diesen bekannten Schutzbarrieren sind die im wesentlichen senkrecht zu den Tragseilen verlaufenden Zugelemente im wesentlichen mittig zwischen benachbarten Stützträgern angeordnet, so dass im Belastungsfall die Stützträger an den Stellen, an denen die Tragseile befestigt sind, erhöhten Knickbelastungen ausgesetzt sind. Gemäß JP 2004 01 9369A sind die Zugelemente an den Tragseilen mittels Klemmen festgeklemmt.
The invention relates to a dynamic protective barrier to protect against, in particular, stone chipping and other natural hazards according to the preamble of claim 1. The generic term rockfall protection barriers fall protection devices of various kinds as against snow slide, machinery, ice, mud, slopes, landslides and the like.
In dynamic rockfall protection barriers loads are usually taken up by the network and forwarded via support cables to the support structure, their anchoring and side-mounted energy absorbing elements (called braking elements) and lateral anchorages or delivered.
In the JP 2004 019369 A and KR 2012 0083874 A Dynamic rockfall protection barriers are described according to the preamble of patent claim 1. In these known protective barriers extending substantially perpendicular to the support cables tension members are arranged substantially centrally between adjacent support beams, so that in the load case, the support beams at the points where the support cables are attached, are subjected to increased buckling loads. According to JP 2004 01 9369A the tension elements are clamped to the suspension cables by means of clamps.

Derartige Schutzbarrieren enthalten gemäß EP 1 516 964 , DE 10 2006 013 526 , FR 2 414 586 A1 und JP 2014-058842 A obere und untere Netz-Tragseile, die mittels Halterungen direkt an den Stützträgern bzw. einer Stützkonstruktion geführt bzw. befestigt sind und Kontaktpunkte mit der Stützkonstruktion haben.
Bei in der EP 1 911 884 A1 und der EP 1 500 747 A1 beschriebenen Steinschlag-Schutzbarrieren sind zusätzlich zu oberen und unteren Netz-Tragseilen noch zwei bzw. drei weitere mittlere Tragseile vorgesehen, die mittels Halterungen direkt an den Stützträgern bzw. der Stützkonstruktion befestigt sind bzw. angreifen. Diese direkt an Stützträgern bzw. der Stützkonstruktion angreifenden Tragseile führen bei einer Steinschlag- bzw. sonstigen Netzbelastung zu einer hohen Knickbelastung der Stützträger im Bereich der die mittleren Tragseile führenden Halterungen bzw. Kontaktpunkte der mittleren Tragseile an den Stützträgern.
Der Erfindung liegt die Aufgabe zugrunde, eine Schutzbarriere, die neben unteren und oberen das Netz tragenden Tragseilen mindestens ein weiteres mittleres Tragseil aufweist, so zu gestalten, dass im Fall einer Steinschlag- bzw. Netzbelastung die zusätzliche Knickbelastung der Stützträger vermieden werden.
Zur Lösung dieser Aufgabe ist die erfindungsgemäße dynamische Schutzbarriere gekennzeichnet durch im Wesentlichen senkrecht zu jedem mittleren Tragseil verlaufende Zugelemente, die mit dem mittleren Tragseil bzw. den mittleren Tragseilen eine Kontaktstelle haben, die eine freie Verschiebung jedes mittleren Tragseiles relativ zu dem Zugelement ermöglichen, wobei jedes Zugelement nur mit den oberen und unteren Enden an einem Stützträger befestigt ist. Bei einer Netzbelastung kann damit ein Teil der Belastung direkt von den zusätzlichen mittleren Tragseilen an die Verankerung der Stützträger abgegeben bzw. weitergeleitet werden, so dass der Stützträger ausschließlich eine zusätzliche Druckbelastung und keine Knickbelastung erfährt. Ein zusätzlicher Vorteil besteht darin, dass der Stützträger bei gleicher Belastbarkeit verglichen mit bekannten Stützträgern schlanker, d. h. kompakter dimensioniert werden kann.
Bevorzugte Ausführungsformen der Erfindung sind in den Unteransprüchen behandelt.
Such protective barriers include according to EP 1 516 964 . DE 10 2006 013 526 . FR 2 414 586 A1 and JP 2014-058842 A upper and lower net ropes, which are guided or fastened by means of brackets directly to the support beams or a support structure and have contact points with the support structure.
In the EP 1 911 884 A1 and the EP 1 500 747 A1 described rockfall protection barriers are in addition to upper and lower net support cables still two or three more middle support cables provided, which are attached by means of brackets directly to the support beams and the support structure or attack. These supporting directly on support beams or the support structure support cables lead in a rockfall or other network load to a high buckling load of the support beams in the middle of the supporting cables leading brackets or contact points of the middle support cables to the support beams.
The invention has for its object to design a protective barrier, which has at least one further middle support cable in addition to the lower and upper supporting cables supporting the net, so that in the case of a rockfall or network load, the additional buckling load of the support beams are avoided.
To achieve this object, the dynamic protective barrier according to the invention is characterized by traction elements running substantially perpendicular to each central suspension cable, which have a contact point with the central suspension cable or the middle suspension cables which allow a free displacement of each central suspension cable relative to the tension element, each one Tension element is attached only with the upper and lower ends to a support bracket. In the case of a network load, part of the load can thus be released or forwarded directly from the additional middle suspension cables to the anchoring of the support beams, so that the support beam experiences only an additional pressure load and no buckling load. An additional advantage is that the support beam with the same load capacity compared to known support beams slimmer, ie can be dimensioned more compact.
Preferred embodiments of the invention are dealt with in the subclaims.

Die erfindungsgemäße Steinschlag-Schutzbarriere kann zusätzliche mit Bremselementen versehene Bremsseile aufweisen, wie es in der DE 10 2006 013 526 beschrieben ist.
Die Erfindung wird im Folgenden anhand der Zeichnung näher beschrieben:

Figur 1
zeigt in schematisierter Darstellung einen Ausschnitt der erfindungsgemäßen dynamischen Schutzbarriere bzw. Schutz- und Sicherungseinrichtung,
Figur 2
zeigt als Schnittansicht die Kontaktstelle zwischen einem Tragseil und einem senkrecht zu dem Tragseil verlaufenden Zugelement.
The rockfall protection barrier according to the invention may comprise additional brake cables provided with brake elements, as described in US Pat DE 10 2006 013 526 is described.
The invention will be described in more detail below with reference to the drawing:
FIG. 1
shows a schematic representation of a section of the dynamic protective barrier according to the invention or protective and safety device,
FIG. 2
shows as a sectional view of the contact point between a support cable and extending perpendicular to the support cable tension element.

Die erfindungsgemäße dynamische Steinschlag-Schutzbarriere ist gemäß den Merkmalen des Anspruchs 1 ausgeführt. Die Zugelemente 6 sind entweder nur

  • an den äußeren Stützträgern 3,
  • an mehreren Stützträgern 3 oder
  • an sämtlichen Stützträgern 3
der Schutzbarriere angebracht bzw. befestigt.The dynamic rockfall protection barrier according to the invention is designed according to the features of claim 1. The tension elements 6 are either only
  • on the outer support beams 3,
  • on several support beams 3 or
  • on all support beams 3
the protective barrier attached or attached.

Jedes Zugelement 6 ist vorzugsweise als Zugseil, Kette oder Stahlband ausgebildet, dessen bzw. deren Enden ausschließlich oben und unten an dem Stützträger 3 angebracht bzw. befestigt sind. Die Kontaktstellen sind als Ösen ausgebildet, die an dem Zugelement 6 angebracht sind.Each tension element 6 is preferably formed as a pull rope, chain or steel band, whose or the ends of which are attached or attached exclusively to the top and bottom of the support beam 3. The contact points are formed as eyelets, which are attached to the tension element 6.

Die Zugelemente 6 sind vorzugsweise länger als der jeweilige Stützträger 3.The tension elements 6 are preferably longer than the respective support carrier 3.

Die vorzugsweise als Ringe ausgebildeten, vorzugsweise auch schellenförmigen Ösen 7 sind an dem Zugelement 6 festgeklemmt, das die Öse 7 vorzugsweise im Wesentlichen bogenförmig umgibt, wobei ein die Öse 7 im Wesentlichen bogenförmig umschließender Bügel 8 mit dem Zugelement 6 verspannbar ist, so wie es in Figur 2 dargestellt ist.The preferably designed as rings, preferably also loop-shaped eyelets 7 are clamped to the tension member 6, which surrounds the eyelet 7 is preferably substantially arcuate, wherein the eyelet 7 substantially arcuately enclosing bracket 8 with the tension element 6 is braced, as it is in FIG. 2 is shown.

Jeder Stützträger 3 ist vorzugsweise verschwenkbar, d. h. kippbar an der Bodenverankerung 4 befestigt.Each support beam 3 is preferably pivotable, d. H. tiltably attached to the ground anchor 4.

In Abhängigkeit von den örtlichen Anforderungen können die Stützträger auch fest eingespannt sein, siehe z.B. DE 20 2013 103 524 .Depending on the local requirements, the support beams can also be firmly clamped, see eg DE 20 2013 103 524 ,

An den oberen Enden der Stützträger 3 greift in der Regel mindestens ein Rückhalteseil 2 an, das mit seinem Ende an einer Bodenverankerung befestigt ist.At the upper ends of the support beam 3 engages usually at least one retaining rope 2, which is fastened with its end to a ground anchorage.

Die Tragseile 1, 11 und 21 sind vorzugsweise talseitig an der durch die Stützträger 3 gebildeten Stützkonstruktion angeordnet.The support cables 1, 11 and 21 are preferably arranged on the valley side on the supporting structure formed by the support 3.

Claims (15)

  1. Dynamic protection barrier against rockfall or other natural hazards containing
    - a plurality of carrier supports (3) which are fastened to a floor anchoring system (4)
    - a mesh network (5) which is suspended between the support carriers (3)
    - an upper network carrying rope (1) which runs along the upper edge of the mesh network (5) and which has one contact point with each support carrier (5)
    - a lower network carrying, rope (11) which runs along the lower edge of the network (5) and which has a contact point with each support carrier
    - at least one middle carrying rope (21) and furtheron
    - tensioning elements (6) which run essentially perpendicular to each middle carrying rope (21) and which have a contact point with each middle carrying rope (21)
    characterized in that each tensioning element (6) is fastened with its upper and lower ends only to one support carrier (3), and in that each middle carrying rope (21) is freely displaceable relative to the tensioning element (6).
  2. Dynamic protection barrier according to claim 1, characterized in that each tensioning element (6) is longer than the associated support carrier (3).
  3. Dynamic protection barrier according to claim 2, characterized in that each tensioning element (6) in its unloaded state is longer than the associated support carrier by 5 % to 10%.
  4. Dynamic protection barrier according to one of the claims 1 and 3, characterized in that the contact points are formed by lugs (7) which are applied to each tensioning element (6) and through which the middle carrying ropes (21) run.
  5. Dynamic protection barrier according to claim 4, characterized in that each lug (7) is clamped to the tensioning element (6).
  6. Dynamic protection barrier according to claim 4 or 5, characterized in that each tensioning element (6) surrounds the lug (7) essentially in the form of the curve of an arch and that a shackle (8) is provided which surrounds the lug (7) essentially in the form of a semicircle and which can be clamped to a tensioning element (6).
  7. Dynamic protection barrier according to one of the claims 1 to 6, characterized by tensioning elements, which are attached to the outer support carriers (3) of the protection barrier.
  8. Dynamic protection barrier according to one of the claims 1 to 6, characterized in that tensioning elements (6) are attached to a plurality carrier supports (3) of the protection barrier.
  9. Dynamic protection barrier according to one of the claims 1 to 6, characterized in that each tensioning element (6) has at its ends which are fastened to a support carrier (3), a contact point in the form of a lug (7) for the upper (1) and for the lower (11) carrying ropes, and in that the upper and lower carrying ropes (1, 11) pass through the lugs (7).
  10. Dynamic protection barrier according to one of the claims 1 to 7, characterized in that downhill the carrying ropes (1, 11, 21) are guided by the tensioning elements and the lugs of the carrier supports (3) of the protection barrier.
  11. Dynamic protection barrier according to one of the claims 1 to 10, characterized in that the carrier supports (3) are fixed pivotably to the floor anchoring system (4).
  12. Dynamic protection barrier according to one of the claims 1 to 10, characterized in that the carrier supports (3) are fixed rigidly to the floor anchoring system.
  13. Dynamic protection barrier according to one of the claims 1 to 12, characterized by at least one holding rope (2) which is fastened with one of its ends to the upper end of each carrier support (3) and with its other end to the floor anchoring system.
  14. Dynamic protection barrier according to one of the claims 1 to 13, characterized in that it contains at least to middle holding ropes (21).
  15. Dynamic protection barrier according to one of the claims 9 to 14, characterized by at least one rope pulley for guiding the carrying ropes (1, 11, 21) which are guided by the tensioning elements (6).
EP15725868.2A 2014-05-14 2015-04-29 Dynamic stone chip protection barrier Active EP3143209B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE202014102250.3U DE202014102250U1 (en) 2014-05-14 2014-05-14 Dynamic rockfall protection barrier
PCT/IB2015/000591 WO2015173615A1 (en) 2014-05-14 2015-04-29 Dynamic stone chip protection barrier

Publications (2)

Publication Number Publication Date
EP3143209A1 EP3143209A1 (en) 2017-03-22
EP3143209B1 true EP3143209B1 (en) 2018-03-28

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EP15725868.2A Active EP3143209B1 (en) 2014-05-14 2015-04-29 Dynamic stone chip protection barrier

Country Status (4)

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EP (1) EP3143209B1 (en)
DE (1) DE202014102250U1 (en)
ES (1) ES2672929T3 (en)
WO (1) WO2015173615A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020102781U1 (en) 2020-05-15 2021-08-17 Pfeifer Isofer Ag Safety net for rockfall protection barriers
DE102020113269B3 (en) 2020-05-15 2021-09-30 Pfeifer Isofer Ag Safety net for rockfall protection barriers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681228B (en) * 2018-12-04 2020-04-03 西南交通大学 Three-dimensional protection design method for rockfall disasters at tunnel portal

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1534486B1 (en) 1965-09-14 1969-11-20 Degler Dipl Ing Franz Protective device to protect traffic routes that run along rock faces against falling rocks
JPH07279126A (en) 1994-04-08 1995-10-24 A Shii D:Kk Rope opening preventing device in impact absorbing fence
JP2002180422A (en) 2000-10-04 2002-06-26 Kanamori Tobei Shoji Kk Energy dispersion type falling-stone protective fence
JP2004019369A (en) 2002-06-19 2004-01-22 Yutaka Hosokawa Protection fence
EP1500747A1 (en) 2003-07-24 2005-01-26 Trumer Schutzbauten GesmbH Supported energy absorbing structure
KR20120083874A (en) 2012-07-12 2012-07-26 주식회사 도영엔지니어링 Rockfall protection fence for distributing and absorbing impect energy
JP5978022B2 (en) 2012-06-20 2016-08-24 吉佳エンジニアリング株式会社 Rock fall protection fence

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Publication number Priority date Publication date Assignee Title
DE106836C (en) *
CH358459A (en) * 1957-05-13 1961-11-30 Vmw Ranshofen Berndorf Ag Protective construction against landslides, especially against avalanches
FR2414586B1 (en) * 1978-01-16 1985-09-06 Ind Entreprise PROTECTION AND SECURITY BARRIER, ESPECIALLY AGAINST STONE FALLS
CH696469A5 (en) 2003-09-10 2007-06-29 Fatzer Ag Safety net, especially for rockfall barriers.
CH697825B1 (en) 2006-02-01 2009-02-27 Isofer Ag Collecting fence for avalanches rock or felling.
EP1911884A1 (en) 2006-10-13 2008-04-16 Trumer Schutzbauten GesmbH Support for protection against falling rocks
JP6073614B2 (en) * 2012-09-19 2017-02-01 神鋼建材工業株式会社 Debris flow prevention fence
DE202013103524U1 (en) 2013-08-06 2013-08-29 Isofer Ag Posts for a rockfall net and rockfall net

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1534486B1 (en) 1965-09-14 1969-11-20 Degler Dipl Ing Franz Protective device to protect traffic routes that run along rock faces against falling rocks
JPH07279126A (en) 1994-04-08 1995-10-24 A Shii D:Kk Rope opening preventing device in impact absorbing fence
JP2002180422A (en) 2000-10-04 2002-06-26 Kanamori Tobei Shoji Kk Energy dispersion type falling-stone protective fence
JP2004019369A (en) 2002-06-19 2004-01-22 Yutaka Hosokawa Protection fence
EP1500747A1 (en) 2003-07-24 2005-01-26 Trumer Schutzbauten GesmbH Supported energy absorbing structure
JP5978022B2 (en) 2012-06-20 2016-08-24 吉佳エンジニアリング株式会社 Rock fall protection fence
KR20120083874A (en) 2012-07-12 2012-07-26 주식회사 도영엔지니어링 Rockfall protection fence for distributing and absorbing impect energy

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* Cited by examiner, † Cited by third party
Title
DIVERSE BEWEISMITTEL ANLAGE 34
DIVERSE BEWEISMITTEL ANLAGE 35 BIS 38
DIVERSE BEWEISMITTEL ANLAGE 39 UND 40
DIVERSE BEWEISMITTEL ANLAGE 41 UND 42
DIVERSE BEWEISMITTEL ANLAGEN 18 BIS 33
DIVERSE BEWEISMITTEL ANLAGEN 43 BIS 47

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020102781U1 (en) 2020-05-15 2021-08-17 Pfeifer Isofer Ag Safety net for rockfall protection barriers
DE102020113269B3 (en) 2020-05-15 2021-09-30 Pfeifer Isofer Ag Safety net for rockfall protection barriers
WO2021228879A1 (en) 2020-05-15 2021-11-18 Pfeifer Holding Gmbh & Co. Kg Safety net for rockfall protection barriers

Also Published As

Publication number Publication date
WO2015173615A1 (en) 2015-11-19
EP3143209A1 (en) 2017-03-22
ES2672929T3 (en) 2018-06-18
DE202014102250U1 (en) 2015-08-17

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