EP1628790A1 - Protective mesh in particular for rockfall protection or for slope stabilisation - Google Patents
Protective mesh in particular for rockfall protection or for slope stabilisationInfo
- Publication number
- EP1628790A1 EP1628790A1 EP05740963A EP05740963A EP1628790A1 EP 1628790 A1 EP1628790 A1 EP 1628790A1 EP 05740963 A EP05740963 A EP 05740963A EP 05740963 A EP05740963 A EP 05740963A EP 1628790 A1 EP1628790 A1 EP 1628790A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- strands
- bundles
- ropes
- wires
- 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.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 27
- 230000006641 stabilisation Effects 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 201000003373 familial cold autoinflammatory syndrome 3 Diseases 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/02—Making wire network, i.e. wire nets without additional connecting elements or material at crossings, e.g. connected by knitting
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
- D04B1/102—Patterned fabrics or articles with stitch pattern
- D04B1/108—Gussets, e.g. pouches or heel or toe portions
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/20—Metallic fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/20—Industrial for civil engineering, e.g. geotextiles
- D10B2505/204—Geotextiles
Definitions
- the invention relates to a protective net, in particular for stone chip protection or for securing embankments, according to the preamble of claim 1.
- a protective network of this type is disclosed in EP-B-0 979 329.
- the protective net is designed as a diagonal braid with rhomboid-shaped meshes and a three-dimensional mattress-like structure, which is braided from individual helically bent wires made of high-strength steel.
- the wires have a high tensile strength, so that the braid retains a three-dimensional mattress-shaped structure even when stretched and can serve as a support or stabilizer for vegetation layers when covering an earth surface.
- the wire mesh can be folded up and takes up little space for storage or transport. Thanks to the high flexural strength of the wires, the risk of a running stitch is reduced in the event of a broken wire.
- the present invention has for its object to further improve a protective network of the type mentioned and to significantly reduce the risk of breakage.
- the protective net according to the invention is braided from individual helically bent wire strands, wire ropes or wire bundles, which advantageously comprise two or more wires (or wire strands) made of high-strength steel, a protective net with high strength is created which practically does not allow any deformation under loads and does without mesh fixing elements (e.g. cross clamps).
- the diagonal braid according to the invention made of wire strands, wire ropes or wire bundles can be produced practically “endlessly” in rolls, with high-strength edge knots also advantageously being provided on the long sides of the rolls Form of loops formed on wire strand, wire rope or wire bundle ends are provided.
- FIG. 1 is a plan view of a mesh of a protective network according to the invention
- Fig. 3 is a partial side view of the protective network of FIG. 1, and
- Fig. 4 is a schematic view of a protective network system as slope protection on a slope.
- Fig. 1 and Fig. 2 each show a protective net for securing a layer of earth surface, such as a slope protection or a rock wall protection on a road or the like, which is designed as a, for example, square diagonal braid 10 with four or polygonal meshes 17.
- the diagonal braid 10 is braided from a number of helically bent wire strands, wire ropes or wire bundles 11, 12, 13, 14, each of which comprises two or more wires 22 made of a high-strength steel. These can be two or more wires twisted into a wire strand, two or more wires bundled into a wire bundle, wire strands twisted into a wire rope, or a combination of these elements.
- the wires have a nominal strength between 1000 and 2200 N / mm, for example one of 1770 N / mm.
- spring steel wires according to DIN standard 17223 could also be used. be used.
- the wire thickness depends on the required tensile strength and can be, for example, 3 mm.
- These wires 22 are usually galvanized, provided with a coating of zinc / aluminum and / or a plastic coating or made of a chromium alloy in order to achieve the required corrosion resistance.
- a galvanized coating with a basis weight between 100 and 250 g / m is provided.
- the wire strands or wire ropes or wire bundles 11, 12, 13, 14 are articulated to one another in pairs by loops 11 ", 12", these loops 11 ", 12” being connected by the wire strands bent at the ends or Wire ropes or wire bundles 11, 12, 13, 14 themselves are formed.
- the wire strands or wire ropes or wire bundles 11, 12, 13, 14, after they have been bent into loops, are additionally provided with a plurality of loops 19 which are wound around their own circumference and which, owing to the tensile load on these loops in the inserted state, are sufficient Ensure security against opening.
- the diagonal braid 10 is held on the ground in a defined tension by fastening elements 15 recessed in the ground.
- a wire or a rope 21 is looped into each of the helical bent edge wire rope or edge wire strand or edge wire bundle 11 located at the upper and lower ends of the braid 10, which wire is in turn tensioned by the fastening elements 15 on the floor or the like.
- the fastening elements 15 could also hold the loops 11 'directly.
- the individual helically bent wire strands, wire ropes or wire bundles 11, 12, 13, 14 have a pitch angle ⁇ and a length L between two bends, which determine the shape and size of the meshes 17 of the diagonal braid 10.
- the individual meshes 17 each form a rhomboid, the mesh size being, for example, 77 ⁇ 143 mm. This has the advantage that the braid 10 does not stretch significantly if it is laid out on a layer of earth's surface and is pretensioned by the cables 21 in its longitudinal extension. In addition, the individual meshes 17 thereby form a rhomboid with an elongated opening, which gives the advantage of a lower permeability of earth material.
- the individual wire strands, wire ropes or wire bundles 11, 12, 13, 14 are articulated to one another in the braided state, with the result that the diagonal braid 10 can be folded or rolled up like a mat. As a result, a small amount of space is required for the storage and transportation of such braids.
- the braid 10 has a three-dimensional, mattress-like structure, which in turn is made possible by the use of the high-strength steel wires.
- the individual wire strands, wire ropes or wire bundles 11, 12, 13, 14 are bent in a helical shape and then intertwined with one another in such a way that the cross-section of the resulting braid 10 forms an approximately rectangular outline.
- the wire strands, wire ropes or wire bundles therefore consist of curved parts 11 'and straight parts 91.
- This elongated rectangle has a thickness 10' of several wire rope or wire strands. Thick. This wire mesh 10 is therefore three-dimensional even in the prestressed state.
- this three-dimensional design additionally provides support or stabilization of the vegetation layers introduced into this network or of sprayed-on covers when covering a ground surface, for example an embankment.
- the protective net is braided according to the invention from individual helically bent wire strands, wire ropes or wire bundles which have two or more wires made of high-strength steel twisted together or combined to form a wire bundle or of two or more wire strands made of " high-strength steel " twisted to form a wire rope are formed, a high-strength protective net is created, which practically does not allow any deformation under loads and does not require mesh fixing elements (e.g. cross clamps).
- mesh fixing elements e.g. cross clamps
- the diagonal braid of wire strands, wire ropes or wire bundles according to the invention can be produced practically “endlessly” in rolls, with high-strength edge knots also advantageously being provided on the long sides of the rolls in the form of the loops formed on wire strand, wire rope or wire bundle ends.
- the protective nets can also be made of wire strands, wire bundles, spiral ropes with thinner or thicker wires, which are not or only partially made of high-strength steel.
- 4 shows a system of a protective network 10 according to the invention, which in the present case is provided as slope protection 40, for example an slope 45 located on a steep slope, which forms the layer of earth surface to be secured.
- This slope protection 40 consists of the wire mesh 10 laid out over a desired slope area and of the fastening elements 15 sunk into the ground with claw plates or the like pressing the mesh 10 onto the earth's surface.
- Known ground or rock nails are used for the fastening elements 15, which are preferably fastened at regular intervals in the embankment 45.
- a rope 21 is provided, by means of which the braid 10 is stretched with a tensile force.
- a wire strand, a wire bundle, a wire rope 11, 12, 13, 14 or the like is fed in a first step with a defined pitch angle ⁇ to at least one bending mandrel of a device (not shown in more detail) and in one defined length L around the mandrel bent by approximately 180 °.
- the wire strand, the wire bundle, the wire rope 11, 12, 13, 14 or the like becomes several times in its longitudinal axis to the bending mandrel 66 by the defined length L pushed and each bent around the mandrel by 180 ° until this wire strand, the wire bundle, the wire rope 11, 12, 13, 14 or the like has a helical configuration.
- High-strength wires are advantageously used at least partially in the strands, wire bundles or wire ropes. However, wires with lower strength could also be used for this. Due to the fact that thicker wire bundles can be used compared to individual wires, the overall strength can be increased in this way.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (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)
- Woven Fabrics (AREA)
- Wire Processing (AREA)
- Ropes Or Cables (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00974/04A CH697096A5 (en) | 2004-06-08 | 2004-06-08 | Safety net, especially for rockfall protection or for verge securing. |
PCT/EP2005/005542 WO2005120744A1 (en) | 2004-06-08 | 2005-05-23 | Protective mesh in particular for rockfall protection or for slope stabilisation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1628790A1 true EP1628790A1 (en) | 2006-03-01 |
EP1628790B1 EP1628790B1 (en) | 2006-09-27 |
Family
ID=34969436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05740963A Active EP1628790B1 (en) | 2004-06-08 | 2005-05-23 | Protective mesh in particular for rockfall protection or for slope stabilisation |
Country Status (14)
Country | Link |
---|---|
US (2) | US20070210214A1 (en) |
EP (1) | EP1628790B1 (en) |
JP (1) | JP2008501878A (en) |
KR (1) | KR20060048241A (en) |
CN (2) | CN102817330A (en) |
AT (2) | ATE340662T1 (en) |
AU (1) | AU2005251879B2 (en) |
BR (1) | BRPI0511920B1 (en) |
CH (1) | CH697096A5 (en) |
DE (1) | DE502005000122D1 (en) |
ES (2) | ES2271939T3 (en) |
IT (1) | ITBZ20050004U1 (en) |
RU (1) | RU2376097C2 (en) |
WO (1) | WO2005120744A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014207533A1 (en) | 2013-06-27 | 2014-12-31 | Pfeifer Isofer Ag | Braided mesh having rectangular stitches |
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CH696469A5 (en) * | 2003-09-10 | 2007-06-29 | Fatzer Ag | Safety net, especially for rockfall barriers. |
-
2004
- 2004-06-08 CH CH00974/04A patent/CH697096A5/en not_active IP Right Cessation
-
2005
- 2005-05-23 RU RU2006143057/02A patent/RU2376097C2/en active
- 2005-05-23 JP JP2007526236A patent/JP2008501878A/en active Pending
- 2005-05-23 ES ES05740963T patent/ES2271939T3/en active Active
- 2005-05-23 US US11/628,937 patent/US20070210214A1/en not_active Abandoned
- 2005-05-23 AT AT05740963T patent/ATE340662T1/en active
- 2005-05-23 DE DE502005000122T patent/DE502005000122D1/en active Active
- 2005-05-23 WO PCT/EP2005/005542 patent/WO2005120744A1/en active Application Filing
- 2005-05-23 BR BRPI0511920-0A patent/BRPI0511920B1/en active IP Right Grant
- 2005-05-23 EP EP05740963A patent/EP1628790B1/en active Active
- 2005-05-23 AU AU2005251879A patent/AU2005251879B2/en active Active
- 2005-05-25 IT IT000004U patent/ITBZ20050004U1/en unknown
- 2005-05-25 AT AT0034705U patent/AT8699U1/en not_active IP Right Cessation
- 2005-06-07 CN CN2012102930082A patent/CN102817330A/en active Pending
- 2005-06-07 CN CNA2005100782457A patent/CN1696408A/en active Pending
- 2005-06-08 ES ES200501326U patent/ES1060473Y/en not_active Expired - Fee Related
- 2005-06-08 KR KR1020050048653A patent/KR20060048241A/en active Search and Examination
-
2012
- 2012-03-26 US US13/430,276 patent/US20120241565A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2005120744A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014207533A1 (en) | 2013-06-27 | 2014-12-31 | Pfeifer Isofer Ag | Braided mesh having rectangular stitches |
Also Published As
Publication number | Publication date |
---|---|
ES1060473U (en) | 2005-09-16 |
CN102817330A (en) | 2012-12-12 |
CN1696408A (en) | 2005-11-16 |
BRPI0511920A (en) | 2008-01-15 |
DE502005000122D1 (en) | 2006-11-09 |
CH697096A5 (en) | 2008-04-30 |
AT8699U1 (en) | 2006-11-15 |
US20070210214A1 (en) | 2007-09-13 |
JP2008501878A (en) | 2008-01-24 |
RU2376097C2 (en) | 2009-12-20 |
ES1060473Y (en) | 2006-01-01 |
EP1628790B1 (en) | 2006-09-27 |
ITBZ20050004U1 (en) | 2005-12-09 |
ATE340662T1 (en) | 2006-10-15 |
AU2005251879B2 (en) | 2010-10-21 |
WO2005120744A1 (en) | 2005-12-22 |
KR20060048241A (en) | 2006-05-18 |
AU2005251879A1 (en) | 2005-12-22 |
ES2271939T3 (en) | 2007-04-16 |
US20120241565A1 (en) | 2012-09-27 |
RU2006143057A (en) | 2008-06-20 |
BRPI0511920B1 (en) | 2017-06-27 |
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