EP1036884A2 - Dispositif pour dévier des avalanches comprenant des secteurs de surface inclinés - Google Patents

Dispositif pour dévier des avalanches comprenant des secteurs de surface inclinés Download PDF

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Publication number
EP1036884A2
EP1036884A2 EP00105418A EP00105418A EP1036884A2 EP 1036884 A2 EP1036884 A2 EP 1036884A2 EP 00105418 A EP00105418 A EP 00105418A EP 00105418 A EP00105418 A EP 00105418A EP 1036884 A2 EP1036884 A2 EP 1036884A2
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EP
European Patent Office
Prior art keywords
protective
valley
protective sheeting
area
surface areas
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Withdrawn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
EP00105418A
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German (de)
English (en)
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EP1036884A3 (fr
Inventor
Gerald Hierl
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.)
Hierl Elisabeth
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Fraunhofer Management GmbH
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Filing date
Publication date
Application filed by Fraunhofer Management GmbH filed Critical Fraunhofer Management GmbH
Publication of EP1036884A2 publication Critical patent/EP1036884A2/fr
Publication of EP1036884A3 publication Critical patent/EP1036884A3/fr
Withdrawn legal-status Critical Current

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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

  • the invention is concerned with the protection of objects such as hotels or cabins in Zones at risk of avalanches, especially high-altitude research stations or regular whereabouts of visitors.
  • avalanche barriers which are designed as transverse snow fences or safety fences, are used for protection against rolling avalanches in the avalanche starting area, for example according to DE 74 07 622 U1 , which describes a safety fence tensioned from elastic ropes, which describes is reinforced with an additional center column, but is oriented in any case transversely to the avalanche direction or slope direction.
  • a snow fence is a barrier that tries to counteract movements of the snow thickness above the barrier directly by trying to stow it well and fasten it from many sides with tension cables.
  • the object of the invention is to provide a protective structure that can be manufactured more cost-effectively and in particular requires a minimum of foundations to be concreted.
  • the invention also does not neglect the aspect of environmental protection, so that the protective structure to be created should offer an at least appealing aesthetic appearance and should blend harmoniously into the landscape in terms of its appearance.
  • the starting point of the invention is the consideration that a mere barrier effect with a transverse structure is insufficient in the case of large volumes and leads to walls or fences that are no longer portable Avalanche-prone zones, especially where critical slopes (um about 40 °) prevent the snow from slipping and still have large accumulation levels in the Cause flow (flow).
  • the invention therefore wants the volume masses rolling to the valley Masses of snow, mud or rubble, or rockfalls, not alone block, but deflected flexibly controlled to the side to deflect in Shadow area of the deflection zone an at least one-sided protective effect to be able to develop.
  • the invention uses itself from a first anchor point extending, essentially closed surface area (e), which extends over the Increasingly raise the slope and extend or extend sideways towards the valley (Claim 1). This creates the possibility that the at least one sublime and flexible surface area is extended and widened down the valley and thereby is inclined twice, once laterally opposite the straight valley direction and once downwards with regard to its height.
  • Such a flexible protective structure has one in two areas wedge-shaped plan and a wedge-shaped elevation. Your side faces offer that moving masses large deflection moments, not by massive construction, but be made possible by an elastic configuration of the surfaces (claim 33, 34).
  • the pressure forces of an triggered avalanche are at least partially affected by the inclined surface area that extends and widens towards the valley added. This results in a change in shape, at least one Area to a ploughshare-like shape with increasing avalanche pressure trains automatically (claim 37).
  • the ploughshare shape allows the controlled or Guided derivation of the avalanche arms (s) running on one or two sides below strong reduction of the traffic jam effect and increase of the tax and management effect, away from the object to be protected, which is in the center of the axis of the avalanche barrier at the valley end (claim 13), here referred to as "casting shadows", beneath a built-in opening - created on two surfaces - a protected one Location reached for the object.
  • the invention therefore does not work with an initially massive protective shoring already in the initial zones of the avalanche strike area, but at least leaves yours a protective and avalanche-guiding surface area from the anchor point starting to get wider, longer and higher (claim 3).
  • Such a construction requires lower construction costs, requires less effort in concrete Foundations and allows the visually appealing fitting of a so formed (one-sided) umbrella or badger or saddle roof in an area prone to avalanche, directly above the object to be protected.
  • the upper edges of the lateral surface areas run with a weaker one Slope as the average slope towards the object to be protected below the protective structure (claim 2). This results in a steady increasing height of the surface areas.
  • a roof area can be designed in the manner of a gable roof shape (claim 3, 4), so that the top of the protective structure formed blunt, especially initially triangular widening (claim 3) and then converging triangular is formed (claim 4).
  • Ropes are used to build up the surface areas are (claims 26, 27 and 10, 16, 17 and 15).
  • the structure with net-like Geometry from ropes, especially steel ropes, offers elastic flexibility of the surface areas that contribute to their shape in the manner of a self-regulation Avalanches change, towards increasingly steeper areas that caused by a stronger curvature or a greater curvature of the surfaces (Claim 9, Claim 28).
  • a main cable bundle starts from the first (upper) anchor point A (claim 16), that at the valley end point of the surface areas in two valley spaced and the anchoring ropes underneath the protective structure, which are divided into two find further rock anchors.
  • the cable bundle is static required geometry mostly a parabola and a gable roof, if necessary follows this shape in the upper blunt area.
  • the point of deflection is the upper end of a girder supported backwards on the slope (pylon), the lower uppermost End of the protective structure is supported on a slope-side foot point (claim 4).
  • the main supporting elements are straight, pre-tensioned ropes are provided, starting from the main rope bundle to near the ground Edge ropes are stretched.
  • the edge ropes (eaves) close to the ground also go from the first, upper anchor point A and end in spaced anchor points B, C, about at the base D of the post-like beam and are in the course of their Anchored one, two or more times at further intermediate anchor points in order to to form arcuate structures (claim 25).
  • Form the arched structures Passage areas below that according to the tile-like occupancy of the network structure sealed surface areas so that rubble can pass and maintenance the functionality of the protective structure does not clear the mountain side Areas required. Accumulated rubble or rock largely passes through the gap that is formed by the arcuate structure of the eaves between the Slope surface and the surface areas forms.
  • Additional protective measures can be used, so a facility for Generation of vibrations, especially in the area of the post-like beam (Claim 24) to accumulate snow on the roof-shaped Loosen protective sheeting and make it roll.
  • the roof construction benefits from the fact that it is compared to the typical Wind flow directions have only obtuse angles and without one Stopping a further transport of the snow is made possible, so that the tendency to snow deposits in the area of the roof due to wind freight only extremely is low.
  • the roof shape is inside with an airbag membrane fillable, which is due to an internal, closed and braced Inner membrane can be realized with a breathing pressure compensation function.
  • the pressure compensation function can regulate excess pressure to Maintain ambient pressure, possibly supported with pressure boosting components (Claims 18).
  • an intelligent pillow Inner membrane can be a self-regulating counterforce to absorb stronger Impulse forces are provided. The impulse forces caused by the sudden event of an avalanche are not introduced into the statics, but at least partially absorbed by the self-regulating counterforce.
  • the protective structure still offers even in the event of exceptional avalanche events adequate protection because a large part of the avalanche core is protected by the objects to be protected can be guided away, even if the remains of an exceptionally large avalanche Protection overflow still overflow.
  • the overflow process is a condition that spreads over a large width extending roof structure can also meet if there are several Line up areas across the slope and only weakly raise. A wavy surface is then achieved, which can be used as a gallery or Roof structure can be built over linear objects (such as roads) and Volume flows are derived from these linear objects, that is, through them be passed over (claim 31, claim 32).
  • Area ropes are used, the elastic compliance of the Enable roof construction.
  • Below the end of the roof are pull ropes in Foundations anchored while essentially vertical at the end of the roof oriented bearers take on a supporting function, preferably at regular intervals. There is always a girder and a pull rope alternately along the lower edge the gallery sheeting so that even long distances can be bridged.
  • a Such a roof structure can be thought of as several spaced triangular patches of two each only slightly uplifting areas, extending and widening to valley extend in a directed manner, the respective ones arranged above the protected object first anchor points have a greater distance than the lower corner points of the Areas that complement each other to form a continuous line.
  • the still open permanent triangular areas are oriented in the opposite direction triangular patches from two areas also arranged, the also have slope-side second anchor points, each of which is preferably somewhat lower are arranged as the first anchor points.
  • Such pressure-building elements can also form such wedge-shaped areas Inflate or inflate the protective structure before triggering the Pressure build-up element spread substantially flat on the slope were spread out.
  • This surge-like structure function goes from one avalanche protection that initially does not exist, protective sheeting rising above the slope, if actually Volume movements are detected, for which a sensor, in particular a flow or Pressure sensor can be used (claim 30), which is preferably above the protruding inflating protective structure is arranged.
  • the construction principle is simultaneous in the context of an architectural design appealing and functional. It can go directly into the object to be protected be integrated, e.g. through a special shape in the roof and Facade area, especially in the context of a one-sided arrangement of one area extending obliquely downward to the valley, which in the course of its Downward movement extends laterally, to derive the masses, as also inclined in the height direction to the valley to act as a one-sided ploughshare-like effect fluidic function and the associated protective effect for the to provide integrated object.
  • the integrated solution can in particular Form case in the roof and facade area for new, extension and renovation measures be used.
  • the interior created by the one-sided surface or attached to an object offers two surface areas that are joined together to form a wedge Possibility of use for residential, stay and event purposes, for example, as a storage or storage room.
  • the outer surface may look like Advertising media, identity-building measure for the area surrounding the installation site, Artwork or other similar design that uses the functional principle.
  • the dismantling can also be functionally integrated, in the form of an erectable overall construction, which in their individual components such as the membrane shell partially assembled and disassembled to enable temporary use. This enables the setting on seasonal risks taking into account the requirements of nature conservation and landscape protection.
  • FIGS. 1 and 2 To protect against an avalanche, it can be seen from FIGS. 1 and 2 that a wedge-shaped, pointed structure is used which starts from an anchor point A on the mountain side and grows to a gable roof shape according to FIG . 2 or a pointed roof shape according to FIG .
  • the side surfaces F1, F2 thus act as snow guide surfaces on which the avalanche splits and runs off to the side.
  • the description based on an avalanche is given as an example of a flowing volume mass, which can also be rubble masses, mud masses, stone chips or other comparable moving objects.
  • the contour lines h1 to h6 show the structure of a steeply inclined slope, so that the gradient of the contour lines shown here can be understood as "downhill".
  • the object 1 to be protected is located in the avalanche shadow of the roof structure between the contour lines h4 and h5 and approximately at the level of the further anchor points B and C, which are the valley-side ends of the side surfaces F1 and F2.
  • the roof structure extending downwards has a high point E, at which the highest point of the side surfaces F1 and F2 lies.
  • Figure 3 engages an apparent from Figure 3 in the side view of pylon 10, which is anchored to a base point D in a foundation. It is inclined backwards to absorb tensioning forces via the ridges 20, 21 to be explained later, which are initially shown in FIGS. 1 and 2 as the upper edges of the surface areas F1, F2.
  • Several pylons 11, 12 can also be lined up as support posts along the ropes, so that a wavy ridge results.
  • the lower edges 25, 24 of the inclined surface areas F1, F2 are also formed by ropes, so-called eaves, as in Figure 3 in side view recognizable.
  • rock anchors A, B, C and B ', C' can be used as rock anchors A, B, C and B ', C'.
  • a small foundation is required for the support foundation D of the pylon, since only here Pressure forces are to be absorbed, whereas the others described Rock anchors tensile forces are absorbed.
  • Figure 2 is a rope construction from Figure 4 in a projected onto the horizontal Supervision more clearly visible.
  • the described rock anchors are A, B, B 'and A, C, C' also drawn here.
  • the high point E is the absorption point of compressive forces over the pylon 10, which is stored in the foundation D.
  • a main cable bundle runs along the gable roof F0, the width f 0 of which initially increases and then decreases again to the high point E.
  • the main cable bundles 20, 21 are deflected at the high point E and lead via the cable bundles 23, 22 to the anchoring points B 'and C'.
  • two further eaves 24, 25 oriented laterally outwards, which are firmly anchored several times in individual anchor points b, c, in order to produce an arcuate structure.
  • a multiplicity of parallel rope bundles are stretched, here represented only by the last rope 40 and a middle rope 46 in the area of the maximum width f 0 of the blunt saddle roof area F0.
  • a plurality of parallel ropes also run between the eaves 24 and the second ridge rope bundle 21, which are also represented here by the valley-side rope 30 and an approximately central rope 36.
  • Opening segments 60, 61 between two respective anchors C, c, c form through openings for smaller debris and those volume masses that are not to be blocked by the obstruction. This leaves the real ones Area areas F1, F2 regularly vacant and do not need to be cleaned by maintenance not, especially where the height and width of the surface areas in the The vicinity of the top anchor point A is still low.
  • a network structure that is in intermediate areas of four adjacent network nodes with area-forming elements (m1, m2, m3, ... m11) can be to form a surface F1, F2.
  • the area-forming elements can be used as an entire page or tile-like textile membranes (coated fabric) with a tear-resistant structure, the surface of which is preferably slide-coated so that avalanches can run more easily.
  • the size of the mesh can be chosen his.
  • the network structure offers greatly reduced node spacing for area-forming elements, i.e. a convergence of four network nodes each a closer meshed structure.
  • the resilient network structure can be made from steel cables. Instead of such ropes, the existing tensile forces with elastic compliance Plastic fibers, tension rods or ropes can also be used Find use, the surface-forming elements made of composite materials such as glass fiber reinforced plastic (GRP), carbon fiber reinforced plastic (CFRP) or other tear-resistant materials can be formed, the pressure load of a accruing volume mass, especially those arising from its flow Are able to absorb forces.
  • GRP glass fiber reinforced plastic
  • CFRP carbon fiber reinforced plastic
  • the slope n can be seen in FIG. 3, it is locally highly variable Size, but can be given as the mean of the slope.
  • This middle one The slope slope is steeper than the slope of the ridge F0 of Figure 2 or the Tip of the pointed roof 20, 21 of FIG. 1, as can easily be seen in FIG. 3 can.
  • the height of the protective structure is shown in Figure 3 can be seen, it is measured at the high point E opposite the connecting line of the two rock anchors B, C.
  • the length of the side surfaces F1, F2, projected onto the The horizontal can be seen from FIG. 3 as "1". This length is longer, here about twice as large as the height h of the high point E. That is again greater than the length "l" Width at the valley end of the surface areas F1, F2, soft width the distance of the forms two anchor points B and C.
  • the opening angle which corresponds to the angle between the ropes 40 and 30, results from the height h and the width q.
  • An obtuse angle is provided here in any case greater than 50 °, preferably about 90 ° to 120 °, which expresses a flat, wide roof structure according to Figure 4.
  • the second inclination of the walls F1, F2 corresponds to the wedge effect, which here with about 30 ° to 40 ° for each area F1 or F2 is assumed. This results in a Wedge angle of approximately 60 ° to 70 °, measured at the top anchor point A.
  • the net-like structure, the ropes and anchoring in the Anchor points C 'and B', as well as the support via the carrier 10 ensures a elastic structure due to the inherent elasticity of the ropes or additional given elastic elements remains movable, both with respect to wind load and also in relation to the avalanche load to be derived. Strikes an avalanche in Figure 5 of above the anchor point A on the surface F2, the deformation and increases a ploughshare-like geometry of surface F2 is formed. Even in no-load Surface F2 with its net-like structure, covered by Textile segments m1, m2 slightly curved upwards, which depends on the load is amplified by the mightiness of the avalanche.
  • Tractive forces in the side main cables 30, 36 do not increase significantly, the larger loads but produce greater deformation in the ridge bundles 20,21 and in the Eaves 24.25.
  • the fabric F2 is self-regulating, so to speak. The higher the force acting, the stronger the ploughshare-like formation of the tile-like occupied network structure.
  • the two or three sides of the wall can also react flexibly to the effects of loads by one drawn eccentric motor in the height point E to vibrate Throw off accumulating snow on the surface areas as far as possible.
  • FIGS. 5a, 5b and 5c show a one-sided deflection of volume masses flowing downwards, the direction of fall 100 corresponding to the slope normal, while the deflection direction 101 is caused by the protective sheeting at an angle> 0 °, here drawn in between 10 ° and 30 ° and deflects the volume masses flowing in the direction of fall onto the protective structure in the deflection direction, so that an object 1 to be protected can be protected below and down the valley next to the one-sided protective structure.
  • This protective structure also starts from an anchor point A1 on the mountain side and has a surface area F1 which extends and rises downwards and is formed in individual segments. It extends with an extension and widening towards the valley, but obliquely with respect to the direction of fall 100.
  • the contour lines h1, h2 etc. are taken from FIGS. 1 and 2.
  • the elastic, net-like structure of the area F1 can be taken from FIGS. 3, 4 and 5.
  • Several post-like beams 16 are used here, each of which is individually fixed with a pair of guy ropes S1 'and S1'', while they themselves stand on a small base or concrete foundation D1.
  • post-like girders and guy ropes can be used alternately, so that a pressure point and a pull point along the ridge rope 17 are created in a staggered manner, in the course of the upper edge of the area F1 running laterally downwards and slightly inclined downward in the slope direction.
  • the corresponding eaves are used as in the previous examples.
  • FIG. 5a shows a respective individual bulge of individual sections F3, F4, Fn of the surface area F1, which ends in an anchor point A6 on the valley side. Due to the structure with a net structure and cables that allow elastic expansion, the one-sided arrangement is also able to apply elastic forces to inflowing volume masses.
  • a pressure cushion character can be created in the protective sheeting according to FIG. 5 by an internal, closed and tensioned inner membrane, which additionally absorbs the impulse forces of the avalanche in the manner of an internal air cushion.
  • the air cushion is supported on the slope surface, which is somewhat covered by the layer of snow that has passed through the openings 60, 61, so that protruding peaks of the rock contour are avoided.
  • the support function can also only take place in some areas, for example in in those areas where heavy loads are expected, so after the first Third or fourth of the expanding roof structure starting from the top one Anchor point A.
  • the air cushion can by an auxiliary device, such as a compressor or a propellant be inflated to provide sufficient internal pressure against the pulse load.
  • auxiliary device such as a compressor or a propellant be inflated to provide sufficient internal pressure against the pulse load.
  • FIGS. 6 and 7 as well as FIGS. 9 show a protective shoring erecting itself in the event of a load, which in the fully erected state according to FIG. 9c essentially corresponds to that of FIG. 1.
  • Reference symbols are adopted accordingly, provided that they describe the same elements.
  • the structure of Figure 6 is anchored to the ground. It consists of a closed inner membrane which, if activated, is fixed or completely erected in a short time by a shaping cable construction. It then develops its full protective effect. Activation can be done manually or independently, for example according to defined parameters, which detect an avalanche in good time.
  • Activation via pressure-generating elements 70 takes place via a specifically triggered increase in internal pressure, caused, for example, by a propellant charge, the increase in pressure being brought about by a sensor 80 which is arranged above the avalanche barrier. If the self-erecting protective sheeting is to last for a long time, constant internal pressure can be provided, which can be achieved using known means from the prior art.
  • the self-erecting protective structure shown in FIG. 6 has a central, along the axis 100, folded, buffered buffer zone, which according to Figure 7 unfolded in abrupt construction of the protective shoring and one Forms construction according to Figure 1.
  • the eaves F4 are between the Anchor points A, B and C anchored to the ground, and the surface areas F1 and F2 arise as downhill oriented, upward and inclined to the slope and inclined to surfaces formed over the central axis 100.
  • An approximately triangular surface F3 is formed at the end, that of the one shown in FIG Opening corresponds.
  • the internal pressure is generated by two propellant charges 70, which are provided here at the lower end.
  • several such drive lines can also be distributed uniformly on the floor surface.
  • an automatic triggering of the avalanche barrier which is erected in a jerky manner, can be initiated if the signal value v 80 , which represents the speed, is compared with a comparison value v 0 .
  • This comparative measurement is shown in FIG . 8 .
  • the structure of the avalanche barrier can be seen in a side view from FIGS. At rest in a substantially spread out, along the A bent or folded pylon 13 becomes a sloping shape used, which when erected by the propellant 70 to a continuous Pylon trained in Figure 9c with support function.
  • the eaves on the bottom are similar arranged as in Figures 1 and 2, so that they are not described separately here the first anchor point A on the mountain side is the starting point and stopping point for the lateral surface areas F1, F2 extending downwards.
  • FIG. 10 illustrates the protective structure and the object 1 to be protected.
  • the anchor points and the pylon are arranged as shown in FIG. 1, only that the pylon 13 consists of two elements provided with a joint, which joint in the erected state can snap or snap, so that it is suitable to take vertical loads.
  • the pressure stability of the structure described is a closed Reached inner membrane, which is arranged below the net-like structure and erects the same due to the pressure increase.
  • the jerky erection movement can be completed within a few seconds if the propellant charges are sufficient are distributed and large enough.
  • FIGS. 11 to 13 illustrate a further application of the protective structure constructed with elastic rope bracing, namely a roof-like, elastic structure with only a slight slope, which is suitable for rolling volume masses down over linear objects to be protected, such as roads, railway lines, supply routes, etc. to pass over, as a replacement for fixed structures made of steel or reinforced concrete.
  • the roof structure 90 consists of spaced triangular surface areas 91a, 91b, each of an anchor point A1, A3 on the mountain side. At the valley end there is one Edge bracing 93 is provided, which is arcuate in nature and which extends continuously along the entire width of surface 90.
  • Each along the Axis 100 of the triangular surface areas runs a rope tension that but is not braced at the valley end, instead the two are Key points S1, S2 about a respective tension on the valley side, on train loadable anchorages arranged.
  • the carrier 10, the uniform Distance are arranged, so form an alternating tension / pressure fixation of the lower edge 93, based on the triangular previously described Sheets 91a, 91b.
  • the pylons 10 in the design shown in FIG. 13 of a gallery that covers a street 92 are designed to be elastic, so that not only the cable construction but also the support function at the valley end 93 is elastically flexible.
  • the same pulse-shaped pressure support can be used in stationary protective structures be provided according to Figure 1 or 2, then in each case as support of the anyway provided stationary protective structure.

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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)
EP00105418A 1999-03-18 2000-03-14 Dispositif pour dévier des avalanches comprenant des secteurs de surface inclinés Withdrawn EP1036884A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19912237 1999-03-18
DE1999112237 DE19912237A1 (de) 1999-03-18 1999-03-18 Ableiten von Lawinen mit geneigten Flächenbereichen

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EP1036884A2 true EP1036884A2 (fr) 2000-09-20
EP1036884A3 EP1036884A3 (fr) 2003-06-25

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Cited By (6)

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JP2007205158A (ja) * 2006-02-01 2007-08-16 Isofer Ag 雪崩、落石または落木のための受止め柵
EP1887140A1 (fr) * 2006-07-31 2008-02-13 Gerhart Dipl.-Ing. Dr. Cordt Dispositif destiné à la protection contre les masses glissant d'un emplacement élevé, en particulier contre les avalanches ou les murs
CH703126A1 (de) * 2010-05-11 2011-11-15 Energiebuero Ag Verwendung einer Lawinenverbauung als Tragkonstruktion für Solarmodule.
WO2012136629A1 (fr) * 2011-04-05 2012-10-11 Fraunhofer Gesellschaft Zur Förderung Der Angew. Forschung E.V. Dispositif et procédé permettant de réduire les dégâts potentiels dus à une avalanche de plaque de neige
EP2711461A1 (fr) * 2012-09-21 2014-03-26 Trumer Schutzbauten GesmbH Support d'une protection contre les chutes de pierres
CN117515329A (zh) * 2023-10-31 2024-02-06 广东省有色矿山地质灾害防治中心 一种用于矿山地质环境监测的装置

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WO2021259450A1 (fr) 2020-06-22 2021-12-30 Vetter Gmbh Élément de protection contre les avalanches et système de protection contre les avalanches

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DE2249696C3 (de) 1972-10-11 1981-12-10 Gerd Dieter 7326 Heiningen Maibach Schneezaun
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JP2007205158A (ja) * 2006-02-01 2007-08-16 Isofer Ag 雪崩、落石または落木のための受止め柵
EP1887140A1 (fr) * 2006-07-31 2008-02-13 Gerhart Dipl.-Ing. Dr. Cordt Dispositif destiné à la protection contre les masses glissant d'un emplacement élevé, en particulier contre les avalanches ou les murs
CH703126A1 (de) * 2010-05-11 2011-11-15 Energiebuero Ag Verwendung einer Lawinenverbauung als Tragkonstruktion für Solarmodule.
WO2012136629A1 (fr) * 2011-04-05 2012-10-11 Fraunhofer Gesellschaft Zur Förderung Der Angew. Forschung E.V. Dispositif et procédé permettant de réduire les dégâts potentiels dus à une avalanche de plaque de neige
EP2711461A1 (fr) * 2012-09-21 2014-03-26 Trumer Schutzbauten GesmbH Support d'une protection contre les chutes de pierres
CN117515329A (zh) * 2023-10-31 2024-02-06 广东省有色矿山地质灾害防治中心 一种用于矿山地质环境监测的装置

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EP1036884A3 (fr) 2003-06-25

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