EP0828897B1 - Lawinenverbauungselement mit schirmartiger struktur und netzwerk - Google Patents

Lawinenverbauungselement mit schirmartiger struktur und netzwerk Download PDF

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Publication number
EP0828897B1
EP0828897B1 EP97908282A EP97908282A EP0828897B1 EP 0828897 B1 EP0828897 B1 EP 0828897B1 EP 97908282 A EP97908282 A EP 97908282A EP 97908282 A EP97908282 A EP 97908282A EP 0828897 B1 EP0828897 B1 EP 0828897B1
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EP
European Patent Office
Prior art keywords
load
strut
avalanche
bearing members
netting
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
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EP97908282A
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German (de)
English (en)
French (fr)
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EP0828897A1 (de
Inventor
Ennio Lattisi
Lucillo Santorum
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LASAR Srl
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LASAR Srl
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    • 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

Definitions

  • An avalanche barrier is known from CH-674.998 (M. Streiff) from a pyramid-shaped reinforcement body to absorb the snow load consists.
  • This reinforcement body is attached to a cable plant at a distance from the reinforcement body at least one anchor device has which can be anchored on the mountain, the reinforcing body on the The floor rests freely.
  • the reinforcement body has a square frame on which is covered with steel profiles so that a rust-like structure arises.
  • the "snow platform" constructed in this way, but also part of the other structures can be covered with a latticework. At the snow platform a sagging network can also be attached.
  • This construction is characterized by the large number of rigid components are firmly connected among themselves, material-intensive, heavy, labor-intensive in assembly and, in relation to the cost of materials and thus to Dead weight, because of the rigid components and the rigid connection, little resistant to the loads that occur. Furthermore, it is se known solution, because of the plurality of different components, expensive in the manufacture of the individual parts, in their storage and in the Assembly. Because of its rigid construction, this well-known avalanche barrier element bulky and therefore difficult to transport, installation on Mountain and maintenance.
  • the object of the invention is an avalanche barrier element create one via a pyramid-shaped support structure resting on the floor for the network which has the assembly and preparatory work for the Installation in the workshop enables the remaining Reduce manpower in the field to a minimum and at the same time the times for preparations to anchor in the field too to reduce.
  • an umbrella-like element which normally requires a single anchor point.
  • Said umbrella-like element consists of a strut which is anchored directly or indirectly to the ground with the mountain-side end while the valley-side end carries a holder to which, in a common plane perpendicular to the strut, at least three beams which converge to the holder are fastened; practice has shown that an X-shaped arrangement of four carriers is particularly advantageous.
  • the girders are articulated to the valley-side end of the strut, while the opposite ends are connected to the mountain-side end of the same strut and also to one another by means of wire cables in such a way that in the case of four girders a square (square, Rectangle, trapezoid) is formed by forming the diagonals; with a different number of carriers, the rope forms the corresponding circumference.
  • This entire structure rests on the ground with three supports, namely with the mountain-side end of the strut which is also fastened to the ground by means of anchoring and with the ends of two of the beams arranged in a radial manner which rest directly or by means of suitably dimensioned and possibly with a joint and / or support provided with a leveling element for irregularity in the floor.
  • the umbrella-like elements according to the invention can be assembled among themselves according to different geometric principles in order to form coherent barriers which run in different ways; to form dissolved barriers that are permeable to game, for example, without affecting the effect of avalanche barriers or to stop the snow by arranging individual elements in density according to calculations, without alignment in rows and without chaining.
  • the number of anchorages required to create an avalanche barrier corresponds to the number of structural units which form and are the avalanche barrier when using several umbrella-like elements according to the invention
  • the umbrella-like elements according to the invention are composed of profiles, pipes, ropes and known fastening elements and connecting elements, whereby simple cutting, drilling and welding work is required, which is why the manufacture and assembly does not require specialized specialists and does not take long, it can be metallic and non-metallic material are used.
  • the technical features of the umbrella-like elements according to the invention enable the pre-assembly in the valley and the helicopter transport to the high ground where, apart from the preparation of the anchorages, only the coupling of the elements themselves takes place.
  • the outer ends of the radiating Beams are connected to each other with a wire rope in such a way that this also prevents spreading.
  • the net can be attached to this circulating wire rope attached and assembled at the same time.
  • the invention does not exclude that the wire rope which from the outer ends of the beams to Anchor point of the strut converge all or partly in another place, between the two Ends of the strut.
  • the invention does not rule out that the plane in which the beams lie with the horizontal plane and / or with the vertical plane in which the strut lies forms an angle other than the right one in order to obtain force components which result from the load on the result in moving snow mass and act on the structure in such a way that it is prevented from being lifted and / or a lateral discharge or partial overflow of the snow mass is achieved, and an excessive load on the structure is thereby prevented.
  • the anchoring of all or part of the wire cables converging from the outer support ends to the mountain-side strut end can be of an unyielding type or by the use of known elements such as springs, slide clamps, etc., so that a gradual yielding is exceeded when a certain load is exceeded takes place and so the cross section which is exposed to the effect of the snow masses is reduced.
  • known elements such as springs, slide clamps, etc.
  • the same elements can also be used if the same wire ropes are attached or retained at any point on the longitudinal extension of the strut.
  • the strut does not have a rectilinear shape but is angled and with a certain unchangeable angle or with an adjustable angle; in this last case the two strut parts will be connected by a joint which can be locked in different angular positions.
  • the angled or curved strut which is contained in a vertical and vertical plane to the slope, with the knee or arch pointing up or down, offers the possibility of changing the angle between the inclination of the floor and the plane in which the beams lie. This change can also be achieved by changing the connecting element between the strut and the beams.
  • the plane in which the angled or curved strut lies is not oriented according to the vertical course of the slope, but is angled laterally, the plane in which the beams lie with the line which runs through the support points of the beams is not horizontal but laterally run at an angle.
  • the possibility is provided according to the invention to secure the valley-side part of the structure by means of anchors which act on the support ends of the supports, on support elements attached to these ends or on the wire rope which connects these ends ,
  • a downward bracing of individual avalanche barriers or, preferably, several avalanche barriers (eg three elements) to a common anchor point is not excluded. In this latter case, it is also possible to use part of the anchorages of the next barrier on the valley side for the bracing.
  • FIG. 1 shows some in perspective umbrella-like avalanche barriers with straight Strive which are without alignment and mutual Chaining are anchored.
  • FIG. 2 shows this in a perspective view Detail of anchoring an inventive umbrella-like avalanche barriers with those of the outer beam ends to the anchoring end of the strut converging wire ropes.
  • FIG. 3 shows this in a perspective view valley end of the strut of the umbrella-like Avalanche barriers with the fastener for the X-shaped supports.
  • FIG. 4 shows a perspective view umbrella-like according to the invention Avalanche barriers with the two from the top Ends the straps to a point on the longitudinal extension the strut converging wire ropes and with the Representation of various, valley-side, additional Tension options, or Anchoring options.
  • FIG. 5 shows a perspective view umbrella-like according to the invention Avalanche barriers with angled and in the knee reinforced strut.
  • a connecting element 1b is fastened to the thimble 1a by means of a pin 1c which receives the fastening end 3a of the strut 3 and the connecting wire cables 7 on a second pin 1d, the outer ends 6, 6a of which are attached to the outer ends of the X-shaped means Bracket 5a attached to the strut end 3b, 4 connected.
  • the four supports 4 are provided at the end which faces the holding part 5a with plates 4b which have bores 4a; a pin 5c inserted through the bores of these plates and through the bore 5d on each of the flanges of the holding part 5a with a cruciform cross section, welded onto the end 3b of the strut 3, connects the carrier to the end of the strut.
  • the mechanical connection between the X-shaped supports 4 and the connecting part 5a is articulated and ensures, due to the play between the assembled elements and between the pin 5c and the corresponding seats, easy play in several directions.
  • the ends 6a of the supports 4 directed towards the floor and the upward ends 6 of the supports 4 are connected by means of a single wire rope 8 which is circumferentially connected and at each of the outer ends 6, 6a of the supports 4 by means of a clamp against spreading of the supports is secured.
  • the ends 6a of the supports 4 directed towards the floor can rest directly on the floor or rest on prepared supports or can be equipped with support elements, with or without a joint and / or elements which enable the compensation of unevenness in the floor.
  • the dimensions of these support elements 2 depend on the permissible load on the floor.
  • the anchor point 12a can for several avalanche barriers which are the same Barrier can be used and it is also the Use of anchorages 1 of the Avalanche barriers next to the valley Barrier possible.
  • the wire cables 7 which run from the outer ends 6, 6a of the carrier 4 to the anchoring end of the strut 3 can run all or in part through a binding 3c, which is provided on the longitudinal extension of the strut 3, and then fastened to the anchoring end 3a of the strut to become; alternatively, all or part of these wire ropes can be attached to the binding 3c, which allows the wire ropes 7 to slide or give way in the event of maximum stress.
  • Said solution is of course also applicable to angled 3d or curved struts 3, which allow a change in the angle of the plane in which the supports 4 lie with respect to the slope, so as to influence the direction of action of the loads caused by the movement of the snow masses can.
  • the bends 3d can be reinforced 3e and can optionally be provided with fastening elements or bindings for the wire cables 7.
  • the angling can also consist of a joint, for example a hinge joint, which can be locked in different angular positions.
  • the umbrella-like elements according to the invention can be distributed and anchored in such a way that coherent barriers, possibly of mutually aligned and / or interlinked elements, are created, that interrupted barriers are formed with different courses or by assembling individual and independent elements according to different geometrical arrangements around a structure to build.
  • the brackets 11 held by the X-shaped arrangement 4 and by the connecting elements 8 can, together with all other parts of the sheeting element, already be mounted and connected in the valley to the wire cables 7, which converge towards the mountain-side end 3a of the strut 3 limit the work in the field to anchoring by inserting the pin 1c through the thimble 1a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Emergency Lowering Means (AREA)
EP97908282A 1996-03-29 1997-03-21 Lawinenverbauungselement mit schirmartiger struktur und netzwerk Expired - Lifetime EP0828897B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT96BZ000016A IT1288181B1 (it) 1996-03-29 1996-03-29 Elemento fermaneve a rete con struttura ad ombrello.
ITBZ960016 1996-03-29
PCT/EP1997/001441 WO1997037085A1 (de) 1996-03-29 1997-03-21 Lawinenverbauungselement mit schirmartiger struktur und netzwerk

Publications (2)

Publication Number Publication Date
EP0828897A1 EP0828897A1 (de) 1998-03-18
EP0828897B1 true EP0828897B1 (de) 2002-06-05

Family

ID=11346745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97908282A Expired - Lifetime EP0828897B1 (de) 1996-03-29 1997-03-21 Lawinenverbauungselement mit schirmartiger struktur und netzwerk

Country Status (5)

Country Link
EP (1) EP0828897B1 (it)
AT (1) ATE218652T1 (it)
ES (1) ES2176701T3 (it)
IT (1) IT1288181B1 (it)
WO (1) WO1997037085A1 (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20100060A1 (it) * 2010-03-26 2011-09-27 Lasar S R L Struttura ad ombrello per la protezione e/o il consolidamento di versanti
ITVR20100061A1 (it) * 2010-03-26 2011-09-27 Lasar S R L Struttura per la protezione e/o il consolidamento di versanti
WO2011117790A1 (en) * 2010-03-26 2011-09-29 Lasar S.R.L. Structure for the protection and/or consolidation of slopes

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20051020A1 (it) * 2005-05-31 2006-12-01 Artigiana Costruzioni S R L Dispositivo di contenimento di corpi, o masse, frananti
PL1921210T3 (pl) 2006-11-10 2015-10-30 Betonform S R L Element zabezpieczający przed lawiną i tym podobnymi
DE202010010849U1 (de) 2010-07-30 2010-11-11 Gartner, Christian Element für Lawinenschutz oder Hangsicherung
FR2971273B1 (fr) * 2011-02-03 2013-08-02 Acro Btp Ecran metallique souple pour retenue collinaire et confortement de sol
IT1404819B1 (it) * 2011-02-10 2013-11-29 Betonform S R L Dispositivo di contenimento
ITVR20110151A1 (it) 2011-07-15 2013-01-16 Betonform S R L Dispositivo di contenimento.
WO2014111755A1 (en) 2013-01-16 2014-07-24 Incofil Srl Umbrella-shaped structure for the protection and/or consolidation of slopes
ITBZ20130055A1 (it) * 2013-11-04 2015-05-05 Betonform S R L Elemento di distribuzione del carico per un sistema di ancoraggio al suolo
FR3045682B1 (fr) 2015-12-16 2019-07-12 Technologie Alpine De Securite -Tas Dispositif de retenue de materiaux
RU2625834C1 (ru) * 2016-03-09 2017-07-19 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет" Конструкция противолавинной и противокамнепадной защиты
RU174847U1 (ru) * 2017-02-15 2017-11-07 Тимур Закирьянович Кудакаев Сетчатая панель для защитной противооползневой конструкции
IT202000005992A1 (it) * 2020-03-20 2021-09-20 Lucillo Santorum Dispositivo di sicurezza, per esempio del tipo paravalanghe e/o anti colate detritiche e/o di consolidamento di pendii franosi, ed un metodo per la realizzazione di una struttura di contenimento atta a limitare la movimentazione, preferibilmente da monte a valle, di un flusso di massa, per esempio neve, terreno o simili
IT202100021512A1 (it) 2021-08-06 2023-02-06 Ar Co S R L Struttura per la stabilizzazione e/o il consolidamento di pendii

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR68710E (fr) * 1955-07-11 1958-06-09 Perfectionnements aux barrages et ouvrages destinés à retenir des matériaux solides
CH674998A5 (en) * 1988-07-13 1990-08-15 Streiff Ag Mathias Device for prevention of avalanches - consists of pyramidal structure suspended at end of cable to support snow mass

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20100060A1 (it) * 2010-03-26 2011-09-27 Lasar S R L Struttura ad ombrello per la protezione e/o il consolidamento di versanti
ITVR20100061A1 (it) * 2010-03-26 2011-09-27 Lasar S R L Struttura per la protezione e/o il consolidamento di versanti
WO2011117790A1 (en) * 2010-03-26 2011-09-29 Lasar S.R.L. Structure for the protection and/or consolidation of slopes

Also Published As

Publication number Publication date
IT1288181B1 (it) 1998-09-11
ITBZ960016A0 (it) 1996-03-29
EP0828897A1 (de) 1998-03-18
ES2176701T3 (es) 2002-12-01
ATE218652T1 (de) 2002-06-15
ITBZ960016A1 (it) 1997-09-29
WO1997037085A1 (de) 1997-10-09

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