EP2712961B1 - Fangnetz für ein System zur Hangsicherung oder für einen Schutzverbau gegen Erdrutsche - Google Patents
Fangnetz für ein System zur Hangsicherung oder für einen Schutzverbau gegen Erdrutsche Download PDFInfo
- Publication number
- EP2712961B1 EP2712961B1 EP12382378.3A EP12382378A EP2712961B1 EP 2712961 B1 EP2712961 B1 EP 2712961B1 EP 12382378 A EP12382378 A EP 12382378A EP 2712961 B1 EP2712961 B1 EP 2712961B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- netting
- cable
- cables
- flexible
- nettings
- 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.)
- Not-in-force
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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
Definitions
- the present invention relates to the field of geotechnics, in particular to nettings used in systems and solutions for stabilising and protecting slopes on natural clearings or hillsides in which flexible membranes are used for their combination with a ground-fixing system, both of the active or passive type, or in kits protecting against landslides and of the dynamic barrier or screen type.
- the invention also relates to systems and kits that comprise at least one of these nettings, and to procedures for installing these systems.
- the function of these stabilisation systems is to prevent landslides and the movement of soil masses and unstable rocks on the slope.
- the flexible membrane acts as a cover of the surface of the area to be stabilised, operating as a member supporting or distributing the stabilising pressure.
- kits protecting against landslides and of the dynamic barrier or screen type, composed of a structure fastened to the ground and a collection element joined to the preceding structure of the flexible membrane type, formed by a steel cable network, steel wire mesh or networks of steel wire rings, the function of which is to act as an interposed element combating possible landslides.
- the flexible membranes of the steel cable network type ones in which an individual sector of the network, also known as netting, is formed by a single cable cross-linked orthogonally to form inner grids of specific sizes, usually between 150 mm by 300 mm, are known.
- the cross-linked cable is fixed on itself by metal pressure clips or with steel wire connections, maintaining the position of the cable by pressing an offshoot of it against the other to prevent its separation or movement when the netting is subjected to stresses.
- the pieces that form the metal pressure clip are substantially quadrangular, being capable of being different to each other or symmetrical, being provided with pins, allowing one to be inserted into another, and presenting a grooved interior or with perforations with a view to improving the fastening at the intersection of the offshoots of the cable.
- steel wire connections comprise a knot or one or more steel wires with strong characteristics and properties that allow them to be wound on the cables they fix.
- the technology for forming and manufacturing the steel-cable netting has the drawback of having been developed for cables of a certain diameter, essentially of 8 millimetres, below specifications dictated by the pressure clips or fixing knots used traditionally.
- the solution adopted is to reduce the size of the inner grid of the netting during its manufacture.
- the steel-cable netting is generally manufactured in a rectangular form with reduced sizes of between 3.0 metres by 4.0 metres, although nettings of up to 3.0 metres by 5.0 metres may be produced. Their final characteristics determine the usual mode of transport used, forming large rolls that occupy a lot of space in comparison with the effective surface of the nettings.
- the nettings are joined to each other by spliced load-transmitting cables, due to the impossibility of their fastening directly on the network and to the technology for producing rectangular nettings of sizes equal to the fastening grid.
- the ends of these cables and the vertices of the connections between adjacent nettings are fixed by cable clips to guarantee the continuity of the flexible support or distribution membrane, which must in turn be strutted in a continuous manner on the entire perimeter of the surface to be treated.
- the ends of both the perimeter cables and the spliced load-transmitting cables between nettings must be fixed without fail on flexible cable anchors in order to transmit the stresses generated in a suitable manner.
- the surface of the ground Prior to the installation of the cable nettings on the ground, the surface of the ground must be covered with an intertwined steel wire mesh, usually hexagonal, which makes the netting easier to arrange on the slope.
- the wire mesh then has a ground-support function inside each inner grid of the steel-cable netting.
- the steel wire mesh is structurally underused as a component of the flexible stabilisation system.
- the stabilisation support provided by the membrane is determined by the diameter of cable used in the manufacture of the netting, the size and shape of the inner grid of the netting, and by the operating model according to which it has been installed (the manner of transmitting the stresses between the elements of the system).
- a support is exerted on the entire surface of the ground through the membrane formed by the cable netting and the wire mesh.
- the membrane must be attached conveniently to the surface in such a way that it is capable of transmitting to the ground the load it receives from the anchors.
- the spliced load-transmitting cables are tightened by the load of the anchors, on the head of which are disposed the fixing plates, which in turn tighten and deform the membrane formed by the steel-cable nettings, which presses the ground though the cables that form them and on the steel wire mesh itself.
- the working conditions and the demanding nature of the operations to be performed mean that it is not easy to ensure that the flexible stabilisation system is executed correctly, that it complies with its design and calculation specifications, and therefore to subsequently check that it is operating correctly.
- the steel-cable netting As a collection surface in a protection kit against landslides, once the structure of the kit has been erected and fastened to the ground, the steel-cable nettings are deployed as an interposed element combating possible landslides, said nettings being joined to each other by spliced load-transmitting cables in order to transmit the stresses generated by the impact of rocks in a suitable manner.
- the retention capability provided by the flexible membrane is determined by the diameter of cable used in the manufacture of the netting, the size and shape of the inner grid of the netting, and by the operating model according to which it has been installed (the manner of transmitting the stresses between the elements of the system).
- KR101121688B1 discloses a netting for a slope-stabilisation system.
- the netting comprises at least one metal cable extended substantially in a zig-zag in which the juxtaposed or bound lines or points of the cable are joined by structural clips, a continuous netting with a plurality of diamond-shaped inner grids being formed.
- Each structural clip is formed by two faced elements that are joined by screws and nuts.
- the netting of the invention is designed for flexible slope-stabilisation systems, as a flexible membrane of the system or part of a flexible membrane, or protection kits against landslides as a collection surface of the system.
- the netting comprises at least one metal cable, which extends substantially in a zig-zag across the netting and in which the juxtaposed or bound lines or points of the cable are joined by structural clips, forming a continuous netting with a plurality of diamond-shaped inner grids. All the grids comprise a size substantially equal to each other, and said size and the diameter and the strength of the cable are defined according to the traction strength the netting has to withstand.
- the flexibility with regard to the size of the grids of the netting allows netting with a lower weight per square metre to be obtained, allows a reduction in the number of necessary connections in the netting, and allows a reduction in the length of the cable to be used, with the consequent reduction in the consumption of material in the manufacture of the netting in relation to the nettings of the prior art, and a reduction of costs.
- a protection kit against landslides it allows the strength of the collection surface to be varied, adapting it to the energy capacity requirements of the protection kit, and therefore, the traction strength requirement of the collection surface.
- the netting may also be compressed in the manner of an accordion for its packaging and transport, occupying a compact space that is considerably smaller than current nettings, thus reducing transport costs in relation to them.
- a first aspect of the invention relates to a netting for flexible slope-stabilisation systems.
- the netting 3 of the invention which comprises at least one metal cable 5, which may comprise a diameter of between approximately 12 mm and approximately 18 mm.
- the netting 3 is formed by a single cable 5 made of galvanised steel or another material offering suitable protection against corrosion, which extends substantially in a zig-zag across the netting 3.
- the juxtaposed or bound lines or points of the cable 5 are joined by structural clips 1 forming a continuous netting 3 of a fixed width and free length with a plurality of diamond-shaped inner grids 4. All the grids 4 comprise a substantially equal size, and said size, as the diameter and the strength of the cable 5, is defined in accordance with the traction strength the netting 3 has to withstand.
- the width of the grids 4 may thus be comprised between approximately 500 mm and approximately 700 mm, with an acute angle O in the vertical apex of between approximately 50° and approximately 65°.
- the cable 5 that forms the netting 3 has an inflexion point at the point of connection where each structural clip 1, is found, as a result of which when stress is placed on the cable 5 a strain appears on the plane of the netting 3 which has to be supported by the structural clips 1, which must offer a behaviour and mechanical strength that are appropriate to the diameter and strength of the cable 5 used.
- the structural clip 1 is designed for the manufacture of the nettings 3 without any restriction in the diameter of the cable 5, allowing the shape of the inner grid 4 to be modified, which makes it easier to adapt the netting 3a to the unevenness of the ground and to pack the nettings 3 during transport.
- the structural clips 1 are connection members designed to withstand the stresses transmitted by the juxtaposed cables 5 with a greater safety factor of 2 in relation to the break load of the cables 5, in a safe and lasting manner, without the structural clip 1 failing or the cables 5 sliding.
- the structural clips 1 may be used both in the manufacture of the nettings 3, as is the case in the example shown in Figure 1 , and in the installation of a flexible stabilisation system with said type of cable netting 3 for joining different nettings 3 to each other, as is the case in the example shown in Figure 2 .
- the structural clips 1 form the basic elements for the manufacture of the nettings 3 given that the starting point for the manufacture of their inner grid 4 is the juxtaposed cables 5, as a result of which connection members are required that allow the cables 5 to be fixed in their position and withstand the stresses they transmit.
- the connection members correspond with the structural clips 1.
- Figures 3a and 3b show, by way of example, an embodiment of a closed structural clip 1, which comprises a single piece 6, preferably of galvanised steel, with a housing 6a, 6b for each section of cable 5, the housing 6a, 6b surrounding at least part of the perimeter of the section of the cable 5 that passes through it, and both housings 6a and 6b being separated from each other by a depression area 6c that prevents contact between both sections of cable 5.
- the dimensions of the piece 6 and its housings 6a and 6b depend on the diameter of the cable 5 used in the manufacture of the netting 3.
- the creation of the piece 6 begins with a ring-shaped part and is deformed, preferably by compression by a press, at a certain load once the cables 5 have been inserted into it, preventing their subsequent movement.
- the use of these types of structural clips 1 allows the netting 3 to be fastened to the ground by anchors 9 in a more effective and flexible manner than in the prior art, as an anchor 9 may be fixed at any point of the netting 3 or of the series of juxtaposed nettings 3 joined to each other, where there is a structural clip 1 offering more fastening points than known nettings 3.
- the netting 3 or the netting of the series of juxtaposed nettings 3 joined to each other also comprises at least one fixing plate 10, 10' for each anchor 9 to be used.
- the anchor 9 is connected or fastened to the ground, and the fixing plate 10, 10' is fixed to the head of the anchor 9 at the point where there is a structural clip 1, the structural clip 1 being disposed between a fixing plate 10, 10' and a corresponding anchor 9, as shown by way of example in Figure 4 .
- a second aspect of the invention relates to a slope-stabilisation system.
- a flexible system of this type comprises at least one flexible membrane for containing possible slope landslides, and the system of the invention comprises at least one netting 3 such as the one described for the first aspect of the invention, in any of its configurations and/or embodiments.
- the anchors 9 With the anchors 9, the flexible membrane is fastened to the ground to be protected.
- the flexible membrane of the netting 3 with structural clips 1 presents low levels of deformation when loaded as a result of the action of the ground pushing, which is an essential requirement for it to fulfil its functions from a geotechnical viewpoint.
- the flexible shape of the grids 4 allows better adaptation to the unevenness of the ground and of the surface to be treated.
- the possibility of using cable 5 of a larger diameter for the manufacture of netting 3 as described above allows the anchors 9 of the flexible stabilisation system to be fixed directly on the flexible membrane, making the position and the pattern of anchor 9 flexible, it being adapted suitably to the unevenness of the ground.
- a wire mesh 12 may be used as a structural part of the flexible support membrane and as an inner containing element in the case of ground with loose blocks with element component sizes smaller than the inner grid 4 of the netting 3, forming an active component of the flexible stabilisation system as the strength of the wire mesh 12 used is structurally balanced with the size of the inner grid 4 of the cable netting 3 and with the support that the flexible membrane must exert.
- FIGS 5a and 5b show by way of example two different embodiments of the slope-stabilisation system that is the object of this invention.
- the flexible system initially requires the arrangement on the ground of a wire mesh 12, preferably made of steel, with characteristics suited to the geotechnical support requirements of the system (in the event that it comprises a wire mesh 12), the function of which is to hold the ground inside the inner grid 4 and the distribution of this pressure to the cables 5 of the netting 3.
- On the wire mesh 12 are disposed the different individual nettings 3 manufactured with structural clips 1 according to the preceding description, or the netting 3 in the case of just one being used.
- a netting 3 may be fastened to the ground by the anchors 9 in two preferred manners: in a first case being joined directly to the head of the anchors 9 (pointed model), and in a second case forming horizontal strips joined by seam load-transmitting cables 16, preferably made of steel (cylindrical model).
- Figure 5a shows by way of example a flexible stabilisation system where the nettings 3 (or the netting 3) are joined according to the pointed model referred to above.
- fixing plates 10, 10' are used and are placed on the head of the anchors 9, for example by means of nuts, and allow the direct transmission of stresses between the anchors 9 and the flexible membrane created by the joining of the nettings 3.
- the diameter of the cable 5 used for the manufacture of the netting 3 is determined by the stresses that are transmitted to the head of the anchors 9 in the flexible stabilisation system, as said flexible system has been designed to allow the inner anchor 9 to be fixed directly by means of the fixing plates 10, 10' on the flexible membrane formed by the individual nettings 3 and the wire mesh 12, the anchor 9 coinciding with its vertices from where four points of cable 5 generally pull, allowing the free arrangement of the anchors 9 on any vertex of the diamonds of the inner grid 4 of the netting 3.
- Figure 5b shows by way of example a flexible stabilisation system where the nettings 3 (or netting 3) are joined according to the cylindrical model referred above.
- the flexible stabilisation system is completed with at least two horizontal loads transmission seamed cables 16 between nettings 3, which pass horizontally and alternately through adjacent grids 4, and which allow the transmission of the stresses of the netting 3 to the head of the anchors 9 through fixing plates 10, 10'.
- the horizontal loads transmission seamed cables 16 are connected, or connect, on the edge ends of the flexible system to flexible anchors 15 made of steel cable, for example.
- the grids 4 are diamond-shaped, the acute angle of the diamond in the vertical direction allows the tension of the cables 5 of the netting 3 to be directed towards the horizontal loads transmission seamed cables 16 between two consecutive horizontal strips and from there to the anchors 9.
- connection examples are also applicable to the nettings 3 as such and not only to when they are integrated in a flexible system.
- the slope-stabilisation system may require for its operation, in both cases, a perimeter strut of the cable netting 3 for which is used a steel cable 13 of a suitable diameter, positioned along the edge of the netting 3, passing inside the vertices of the outer grids 4.
- the edge cables 13 are fixed to the ground by steel-bar anchors 14, unlike their ends, where flexible cable anchors 15 are used.
- the nettings 3 are disposed on the ground, optionally with a previous disposing of a wire mesh 12, thereby creating a flexible continuous support membrane that is strutted around the perimeter, there passing through all the grids 4 of the netting 3 of the outer edge of the area to be treated horizontal cables 13, preferably made of steel, on the upper and lower edge, and vertical cables 17 on the side edges, which are fixed to previously installed flexible corner anchors 15 and corresponding perimeter anchors 14, as shown in Figure 5a .
- the inner anchors 9 of the netting 3 are installed, their position being adjusted to the ends of the inner grid 4 of the flexible membrane, according to the requisite density and characteristics.
- the netting 3 is then joined to the head of the anchors 9 by the fixing plates 10, 10' and corresponding nuts 8b, which allow the netting 3 to be attached and compressed against the ground to guarantee they are tightened at the end of the installation process, system support levels of up to 30 kN/m 2 being obtained with this installation procedure.
- the nettings 3 are disposed on the ground, optionally with a previous disposing of a wire mesh 12, in an adjacent manner joined to each other by the seamed cables 16, thereby creating a flexible continuous support membrane that is strutted around the perimeter, there passing through all the grids 4 of the netting 3 of the outer edge of the area to be treated horizontal cables 13, preferably made of steel, on the upper and lower edge, and vertical cables 17 on the side edges, which are fixed to previously installed flexible corner anchors 15 and corresponding perimeter anchors 14, as shown in Figure 5b .
- the inner anchors 9 and the perimeter anchors 14 of the flexible system are then installed, the cables 13 and 17 are fixed to the flexible side and corner anchors 15, the fixing plates 10, 10' are positioned, and finally the nuts 8b are fitted on in order to fix the fixing plates 10, 10', the netting 3 being brought closer to the surface of the ground.
- Tension is then applied to the horizontal cables 13 and 16 and then to the vertical perimeter cables 17 so that finally the head of the inner anchors 9 can be tightened for the attaching of the flexible membrane to the surface of the ground, system support levels of up to 100 kN/m 2 being obtained with this installation procedure.
- the optimisation of the assembly process is due to factors such as the reduction in the number of elements and components of the flexible stabilisation system, the use of larger, more flexible and easier-to-handle nettings 3, the substantial reduction in the number of seams and connections, the simplification of the connections between nettings 3 through the use of structural clips 1 in the vertices of the nettings 3 and in general the smaller number of operations necessary at a single point for the assembly of the flexible stabilisation system.
- the netting 3 may also be used as a collection surface for protection kits against landslides, a collection surface being understood as a surface adapted to be interposed and to contain possible landslides.
- a kit comprises a structure, generally formed by various posts 18, which are connected to the ground by respective bases, and said structure is also supported by at least one support cable 19 to the ground.
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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)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Claims (8)
- Fangnetz für ein System zur Hangstabilisierung, wobei das Fangnetz (3) mindestens ein Metallkabel (5) umfasst, das sich im Wesentlichen in einem Zickzack erstreckt, bei dem die nebeneinander liegenden oder gebundenen Linien oder Punkte des Kabels (5) durch strukturelle Clips (1) verbunden sind, die ein ununterbrochenes Fangnetz (3) mit einer Vielzahl von diamantenförmigen inneren Gitter (4) bilden, wobei alle Gitter (4) eine im Wesentlichen gleich Größe aufweisen und die Größe der Gitter (4) und der Durchmesser und die Stärke des Kabels (5) gemäß der Traktionskraft definiert sind, der das Fangnetz (3) standhalten muss, dadurch gekennzeichnet, dass das Fangnetz (3) ein einziges Kabel (5) umfasst, das aus verzinktem Stahl oder einem anderen Material hergestellt ist und einen geeigneten Schutz gegen Korrosion bietet, wobei der strukturelle Clip (1) ein geschlossener struktureller Clip ist, gebildet aus einem einzigen Stück (6), und wobei das einzige Stück (6) zwei Gehäuse (6a, 6b) umfasst, wobei jedes Gehäuse (6a, 6b) mindestens einen Teil des Umfangs des einzigen Kabels (5) umgibt, das dadurch verläuft, und beide Gehäuse (6a, 6b) voneinander durch einen vertieften Bereich (6c) getrennt sind, der den Kontakt zwischen beiden Abschnitten des einzigen Kabels (5) verhindert.
- Fangnetz nach Anspruch 1, wobei die Herstellung des Stücks (6) mit einem ringförmigen Element beginnt, das bei einer bestimmten Belastung verformt wird, nachdem die Kabel (5) in dieses eingeführt worden sind, wobei das verformte Element das Stück (6) ist und die Bewegung der Kabel (5) verhindert wird, nachdem das Stück (6) gebildet ist.
- Fangnetz nach Anspruch 2, wobei die Verformung des ringförmigen Elements durch die Anwendung eines Komprimierung durch eine Presse erfolgt.
- Fangnetz nach einem der vorhergehenden Ansprüche, wobei das Kabel (5) aus Stahl hergestellt ist und einen Durchmesser aufweist, der zwischen ungefähr 12 mm und ungefähr 18 mm liegt, und wobei die Breite der Gitter (4) zwischen ungefähr 500 mm und ungefähr 700 mm liegt, mit einem spitzen Winkel (O) am vertikalen Scheitelpunkt zwischen ungefähr 50 ° und ungefähr 65°.
- Fangnetz nach einem der vorhergehenden Ansprüche, umfassend, daran angeordnet, eine Vielzahl von Ankern (9) für seine Befestigung an den Boden, und mindestens ein Befestigungsstück (10), das an einem Anker (9) angeordnet ist, wobei jeder Anker (9) an einem strukturellen Clip (1) angeordnet ist.
- Fangnetz nach Anspruch 5, umfassend mindestens zwei gespleisste Kabel (16), die die horizontalen Lasten übertragen, die horizontal und alternativ durch benachbarte Gitter (4) des Fangnetzes (3) verlaufen, und die angepasst sind, um die Spannungen des Fangnetzes (3) an den Kopf der Anker (9) durch die Befestigungsplatten (10) zu übertragen.
- Hang-Stabilisierungssystems, dadurch gekennzeichnet, dass es, als eine flexible Membran, mindestens ein Fangnetz (3) nach einem der vorhergehenden Ansprüche oder einer Vielzahl von nebeneinander liegenden Fangnetzen (3) nach einem der vorhergehenden Ansprüche umfasst, die miteinander verbunden sind.
- Schutzkit gegen Erdrutsche, dadurch gekennzeichnet, dass es, als eine Sammelfläche (20), mindestens ein Fangnetz (3) nach einem der Ansprüche 1 bis 4 umfasst.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12382378.3A EP2712961B1 (de) | 2012-09-28 | 2012-09-28 | Fangnetz für ein System zur Hangsicherung oder für einen Schutzverbau gegen Erdrutsche |
ES12382378.3T ES2577079T3 (es) | 2012-09-28 | 2012-09-28 | Paño de red para un sistema flexible de estabilización de taludes o para un kit de protección frente a desprendimientos |
PCT/EP2013/070152 WO2014049101A1 (en) | 2012-09-28 | 2013-09-27 | Netting for a slope-stabilisation system or for a protection kit against landslides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12382378.3A EP2712961B1 (de) | 2012-09-28 | 2012-09-28 | Fangnetz für ein System zur Hangsicherung oder für einen Schutzverbau gegen Erdrutsche |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2712961A1 EP2712961A1 (de) | 2014-04-02 |
EP2712961B1 true EP2712961B1 (de) | 2016-03-23 |
Family
ID=47080389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12382378.3A Not-in-force EP2712961B1 (de) | 2012-09-28 | 2012-09-28 | Fangnetz für ein System zur Hangsicherung oder für einen Schutzverbau gegen Erdrutsche |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2712961B1 (de) |
ES (1) | ES2577079T3 (de) |
WO (1) | WO2014049101A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2642030B1 (de) * | 2012-03-23 | 2015-01-07 | Isofer AG | Schutznetz |
RU174847U1 (ru) * | 2017-02-15 | 2017-11-07 | Тимур Закирьянович Кудакаев | Сетчатая панель для защитной противооползневой конструкции |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2669047B1 (fr) * | 1990-11-08 | 1993-01-22 | Tetra Sarl | Barriere de protection dynamique. |
KR100353772B1 (ko) * | 2000-07-13 | 2002-09-27 | 합자회사 광명산업안전공사 | 낙석 방지용 안전망 |
CN201162222Y (zh) * | 2008-02-29 | 2008-12-10 | 成都航发液压工程有限公司 | 高强度柔性护坡钢丝网 |
KR101037013B1 (ko) * | 2010-07-16 | 2011-05-25 | 재 술 나 | 와이어로프의 충격흡수용 슬라이드 조립체 |
KR101121688B1 (ko) * | 2011-06-21 | 2012-03-09 | 합자회사 지오테크 | 사면용 와이어 고정장치 및 이를 이용한 사면 시공 방법 |
-
2012
- 2012-09-28 ES ES12382378.3T patent/ES2577079T3/es active Active
- 2012-09-28 EP EP12382378.3A patent/EP2712961B1/de not_active Not-in-force
-
2013
- 2013-09-27 WO PCT/EP2013/070152 patent/WO2014049101A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2014049101A1 (en) | 2014-04-03 |
EP2712961A1 (de) | 2014-04-02 |
ES2577079T3 (es) | 2016-07-12 |
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