WO2017089244A1 - Dispositif de protection - Google Patents

Dispositif de protection Download PDF

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Publication number
WO2017089244A1
WO2017089244A1 PCT/EP2016/078205 EP2016078205W WO2017089244A1 WO 2017089244 A1 WO2017089244 A1 WO 2017089244A1 EP 2016078205 W EP2016078205 W EP 2016078205W WO 2017089244 A1 WO2017089244 A1 WO 2017089244A1
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WO
WIPO (PCT)
Prior art keywords
protective
recess
collecting
kolkschutzvorrichtung
protective structure
Prior art date
Application number
PCT/EP2016/078205
Other languages
German (de)
English (en)
Inventor
Ekkehard Nowara
Original Assignee
abh Ingenieur-Technik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by abh Ingenieur-Technik GmbH filed Critical abh Ingenieur-Technik GmbH
Priority to EP16798179.4A priority Critical patent/EP3380678A1/fr
Publication of WO2017089244A1 publication Critical patent/WO2017089244A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water

Definitions

  • the invention relates to a anti-collapse device, comprising a collecting structure, at least one protective structure arranged on the collecting structure and at least one fastening element arranged on the collecting structure.
  • the invention further relates to a method for producing a scouring protection device, with the steps of providing a collecting structure, providing at least one protective structure and arranging the at least one protective structure on the collecting structure.
  • the invention relates to a method for applying a Kolkschutzvoroplasty, with the steps to provide a Kolkschutzvoroplasty, attach at least one arranged on the Kolkschutzvoroplasty fastener to a support device to stretch the Kolkstoffvorraum, to transport the Kolkstoffvorlatin to the application site to arrange the Kolktikvorlatin at the application and to release the anti-scald device from the carrying device.
  • pile-like hydraulic structures such as offshore wind turbines
  • the installation of pile-like hydraulic structures, such as offshore wind turbines is divided into the main phases of foundation, cable laying and plant installation.
  • the phase of the foundation which can also be called founding, becomes a supporting structure of the pile-like Water structure as an offshore wind turbine introduced into the seabed as a foundation.
  • This support structure may be formed, for example, as a monopile or pile and consist for example of steel structures or reinforced concrete.
  • the support structure can also be understood as a building.
  • This erosion or erosion is also referred to as Kolkung or Auskolkung.
  • the Kolkung can lead to a change in the foundation or the foundation, which can cause a misalignment of the foundations and thus also the support structures of the pile-like hydraulic structures.
  • the embedment depth of a foundation can be significantly reduced by the Kolkung, whereby the entire based on the foundation stability of the pile-like hydraulic structures can be compromised.
  • Another solution is to use so-called geo-textile sand containers instead of stones to bring a transport ship to the place of introduction. These are more flexible than stones and are therefore less subject to ocean currents.
  • the geotextile sand containers can better balance unevenness on the seabed due to their flexible structure.
  • the application and arrangement at the seabed of these geotextile sand containers is uncontrolled, so that a secure Kolkschutz can not be guaranteed.
  • the application is complicated for the same reasons as the application of the stones.
  • a anti-scoring device having a collecting structure, at least one protective structure arranged on the collecting structure, and at least one fastening element arranged on the collecting structure, wherein the fastening element is designed to be fastened to a carrying device, characterized in that the collecting structure is at least one Recess and the protective structure has at least one recess which overlaps at least partially with the recess of the collecting structure.
  • a length refers to an extent or direction that is substantially parallel to the plane of the earth's surface, particularly the ground or seabed.
  • a width is meant an extent or direction that is substantially parallel to the plane of the earth's surface, particularly the ground or seabed, and substantially perpendicular to the length.
  • a height is meant an extension or direction that is substantially perpendicular to the plane of the earth's surface, in particular the ground or seabed, and also perpendicular to the length and perpendicular to the width and thus spans a three-dimensional coordinate system.
  • a collecting structure is understood to mean a structurally coherent, preferably planar element which is designed in this way is that at least one protective structure can be arranged on it.
  • the collecting structure preferably has a greater extension in width and length than in height.
  • the collection structure has a substantially similar extension in width as in length, more preferably a substantially equal extension in width as in length.
  • the expansion in length and width is preferably greater than 1 m, more preferably greater than 5 m, even more preferably greater than 10 m. In terms of height, the expansion is preferably less than 1 m, more preferably less than 0.5 m, even more preferably less than 0.1 m.
  • the collecting structure is preferably permeable or semi-permeable, so that it is partially permeable or permeable to water, in particular seawater. It may be formed, for example, as a net, for example of natural or artificial fibers.
  • the mesh preferably has a coarse mesh, preferably the meshes of the mesh are at least 1 cm 2 , more preferably at least 10 cm 2 , even more preferably at least 100 cm 2 .
  • the collecting structure has at least one recess, which is preferably round, more preferably circular.
  • the recess of the collecting structure can be designed as material removal or material reduction.
  • the recess of the collecting structure is formed as a hole on which preferably no other materials are arranged.
  • the recess of the collecting structure preferably has substantially the shape of a supporting element of a post-like hydraulic structure.
  • the recess of the collecting structure further preferably has a substantially identical shape and a width and length substantially corresponding to the width and the length of a supporting element of a pile-like hydraulic structure plus a tolerance.
  • the tolerance can also be understood as positioning accuracy.
  • the tolerance is usually in the range of at least 1 cm, more preferably at least 5 cm, even more preferably at least 10 cm.
  • the diameter of the recess of the collecting structure is greater by a tolerance value than the diameter of a supporting element of a pile-like hydraulic structure.
  • At least one fastening element which is designed to be fastened to a carrying device, is arranged on the collecting structure.
  • the fastener may be formed, for example, as a ring, eyelet or loop. It can either be made of the same material as the collecting structure or different from one of them.
  • For a different material from the collecting structure are particularly preferably particularly solid and / or rigid materials such as steel or plastics.
  • particularly weather-resistant materials in particular against seawater and sea air insensitive materials, such as stainless materials such as stainless steel or aluminum.
  • the at least one fastening element is arranged on the edge of the collecting structure.
  • at least two fastening elements are arranged on the collecting structure. More preferably, more than two, preferably more than ten, more preferably more than 100 fastening elements are arranged on the collecting structure. In the event that a plurality of fastening elements are arranged on the collecting structure, these are preferably substantially uniformly distributed, preferably equidistant, arranged on the edge of the collecting structure.
  • a carrying device to which the fastening element can be attached is, for example, a crossbeam or a crane. The carrying device is preferably arranged on a ship and serves to transport the Kolkschutzvoroplasty invention to the application.
  • a protective structure is a structurally coherent, preferably likewise planar element, which is arranged on the collecting structure.
  • the protective structure preferably has a greater extension in width and length than in height.
  • the collection structure has a substantially similar extension in width as in length, more preferably a substantially equal extension in width as in length.
  • the expansion in length and width is preferably greater than 1 m, more preferably greater than 5 m, even more preferably greater than 10 m.
  • the protective structure preferably has a higher weight, preferably a multiple of the weight of the collecting structure.
  • the weight of the protective structure is preferably greater than 100 kg, more preferably greater than 500 kg, still more preferably greater than 1000 kg.
  • the weight of the protective structure is greater than 10,000 kg, more preferably greater than 100,000 kg.
  • the protective structure is preferably suitable, in particular due to its weight, to prevent or reduce a columm or Auskolkung.
  • the anti-scald device according to the invention has a plurality of protective structures, preferably at least two, more preferably at least three.
  • the recess on the protective structure is preferably round, more preferably circular.
  • the recess of the protective structure may be formed by material removal or material reduction.
  • the recess of the protective structure is formed as a hole on which preferably no other materials are arranged.
  • the recess of the protective structure preferably has substantially the shape of a supporting element of a post-like hydraulic structure.
  • the recess of the protective structure further preferably has a substantially identical shape and a width and length which substantially corresponds to the width and the length of a supporting element of a post-like hydraulic structure plus a tolerance.
  • the tolerance can also be understood as positioning accuracy.
  • the tolerance is usually in the range of at least 1 cm, more preferably at least 5 cm, even more preferably at least 10 cm.
  • the diameter of the recess of the protective structure is understood to be greater than the tolerance of a diameter of a supporting element of a pile-like hydraulic structure.
  • the recess of the protective structure is arranged such that it overlaps at least partially with the recess of the collecting structure. This means that at least a part of the recess is arranged on the protective structure in a same region of the recess of the collecting structure.
  • the recess of the protective structure has a substantially same shape as the recess of the collecting structure.
  • the protective structure and / or the collecting structure can also have a plurality of recesses, for example two, three, four or more.
  • the protective structure preferably has the same number Cutouts on like the collecting structure. More preferably, the plurality of recesses of the protective structure are arranged such that they at least partially overlap with the corresponding recesses of the collecting structure.
  • the recesses of the protective structure are arranged substantially at the same positions as the recesses of the collecting structure.
  • the recess of the protective structure and / or the recess of the collecting structure have a reinforcing element. This reinforcing element is preferably provided at the edge of the recess.
  • the collecting structure and the protective structure are arranged one above the other or one below the other. Further preferably, the protective structure is arranged on or above the collecting structure.
  • the protective structure and the collecting structure preferably have substantially similar, more preferably substantially equal dimensions in length and width.
  • the protective structure has a greater, preferably many times greater, expansion in height.
  • the protective structure is attached to the collecting structure. More preferably, the protective structure, in particular in the vicinity of the recess of the collecting structure and / or the recess of the protective structure and / or on the outer edge of the collecting structure and / or the protective structure, attached to the collecting structure. This attachment can be achieved for example via strap fixations.
  • the invention has the advantage, inter alia, that when introducing a support structure whose outcrossing is intended to prevent the anti-collapse device according to the invention, the anti-collapse device, in particular the protective structure, is not damaged, since a support structure according to the invention is introduced through the recess of the collection structure and the recess of the protective structure ,
  • the protective structure comprises a plurality of protective elements.
  • a protective element is understood to mean an element which, taken alone, already provides protection against outgrowth can provide.
  • this protective structure is made flexible and variable. Furthermore, this configuration results in a modularity of the protective structure.
  • the protective structure comprises at least two protective elements, more preferably at least ten, more preferably at least 50, further preferably at least 100.
  • the protective structure further comprises a basic protective structure. This preferably has a similar base area as the collecting structure and preferably defines the outer dimensions of the surface of the protective structure. This basic protection structure is preferably arranged between the collecting structure and the plurality of protective elements.
  • the anti-collapse device according to the invention can be developed by the fact that the protective elements are flat and / or evenly distributed.
  • the protective elements are arranged uniformly distributed with respect to the protective structure and / or the collecting structure. Uniformly distributed means that substantially equal distances between the protective elements prevail with respect to the surface of the collecting structure and / or the protective structure.
  • a further development of the anti-collapse device provides that the protective elements, preferably releasably, are connected to one another.
  • a releasable connection can be made for example by a hook and loop fastener or a locking mechanism.
  • the protective elements can also be permanently connected to each other.
  • an undetachable connection is meant a connection which can only be released by destroying or damaging at least a part or portion of the connected elements upon disconnection.
  • a non-releasable connection is suitable to withstand the flows and turbulences in a submerged arrangement.
  • An insoluble compound can be produced for example by sewing, gluing, soldering or welding of the individual elements become.
  • the elements preferably have a separate region for producing the connection, for example a prefabricated seam, soldering or welding region, which is preferably formed from a separate material.
  • the connection of the protective elements further results in the positive effect that the mass of the individual protective elements can be reduced.
  • the total mass of the scour protection device at the application site can continue to be positively reduced, which is advantageous, for example, for the ecology of the seabed.
  • a geotextile container refers to a cavity that is filled with a material and made of a geotextile material.
  • a geotextile material is preferably permeable or semipermeable, more preferably water permeable, especially permeable to seawater and / or microorganisms. This results in the positive effect that forms in the containers a similar or the same ecosystem as in the environment of the seabed, whereby the ecological intervention is minimized by the Kolkschutzvorraum invention.
  • the geotextile material consists for example of natural materials such as reeds, jute or coconut, or of artificial materials such as polypropylene, polyamide, polyester or polyethylene.
  • the basic protection structure is made of the same material.
  • the geotextile containers are preferably filled with a material which is suitable for preventing coling.
  • the filler material is preferably present in the geotextile container in an amount such that a sufficient weight of the geotextile container is achieved in order to reduce or prevent fluid-induced displacement or movement of the container.
  • Sand or other environmental materials similar to the environment of the seabed, such as silt or sludge, but also other materials such as synthetic resin or concrete, are particularly suitable as filling material.
  • a development according to the invention provides that the protective elements are arranged rectangular or square or radial or circular or annular.
  • the invention can be further developed in that the recess of the collecting structure and / or the recess of the protective structure is arranged centrally with respect to the collecting structure and / or the protective structure.
  • a central arrangement here means essentially centrally with respect to the collecting structure and / or the protective structure.
  • the anti-collapse device has a sealing element which is arranged on the recess of the collecting structure and / or on the recess of the protective structure.
  • the sealing element may for example be designed as a network, preferably made of a flexible material, such as rubber. But it can also be configured as a film or membrane.
  • the sealing element is arranged on the recess of the collecting structure and / or the recess of the protective structure such that it covers the respective recess at least partially, preferably completely.
  • the sealing element closes the recess of the collecting structure and / or the recess of the protective structure.
  • a further development of the anti-scoring device according to the invention provides that the sealing element is arranged between the collecting structure and the protective structure.
  • the invention can also be developed by arranging and forming the sealing element in such a way that it can be pierced or pushed through by a supporting structure of a post-like hydraulic structure.
  • the sealing element according to the invention is typically pierced over at least one surface corresponding to the cross-sectional area of the supporting structure of a post-like hydraulic structure.
  • the sealing element is preferably originally stretched in its arrangement, so that it contracts by the process of piercing and the support structure after piercing at least partially touched, preferably sealingly encloses.
  • the collecting structure and / or the protective structure are rectangular or square or circular or annular.
  • the protective elements are arranged rectangular or square when the protective structure and / or the collecting structure has a substantially rectangular or square surface, and arranged radially or circularly when the protective structure and / or the collecting structure has a substantially circular or circular surface.
  • a further development of the anti-scoring device provides that the protective structure is at least partially formed in two or more layers.
  • a multi-layered construction of the protective structure has the particular advantage that if a part or the entire upper layer of the protective structure is damaged or destroyed, there is another layer of the protective structure for protection against coling.
  • the plurality of protective elements are at least partially formed in two or more layers, that are arranged one above the other.
  • the collecting structure should preferably be significantly stronger and / or thicker in dimension than in a two-layered or multi-layered design.
  • the collecting structure in the single-layer embodiment can provide additional protection.
  • the invention can be further developed by the fact that the fastening element is arranged and designed such that the Kolkschutzvorides when attached to a support device, preferably by gravity, can be tensioned.
  • the object mentioned at the outset is achieved by a method for producing a scouring protection device, with the steps of providing a collecting structure, providing at least one protective structure, which arrange at least one protective structure on the collecting structure, characterized in that the at least one protective structure is such is arranged so that at least one recess of the collecting structure overlaps at least partially with a recess of the protective structure.
  • the method for producing an anticlogging device may be further developed in that the method further comprises the step of attaching the at least one protective structure to the collecting structure.
  • the method comprises the further step of arranging a sealing element on the recess of the collecting structure and / or on the recess of the protective structure.
  • the object mentioned at the outset is achieved by a method for applying a scouring protection device, comprising the steps of providing a scouring device, preferably a scouring device as previously discussed, attaching at least one fastening element arranged on the scouring device to a carrying device, the anti-scoring device to tension, to transport the Kolkschutzvortechnisch to the application, to arrange the Kolkstoffvortechnik at the application, to release the Kolkstoffvortechnik of the support device, characterized in that the Kolkschutzvortechnisch remains tensioned during transport to the application location.
  • the Kolkstoffvoroplastyvoroplasty is preferably provided on land, attached to a support device and tensioned. This results in the positive effect that the time-consuming process of providing, attaching and tensioning is already done on land, so that substantially shorter operating hours of the ship incurred, which then only needs to be used for transport.
  • the method according to the invention for deploying a scouring protection device can be further developed by comprising the step of introducing a supporting structure of a post-like hydraulic structure into the seabed, characterized in that the scouring device is positioned at the location of application such that the support structure within the recess of the collecting structure and / or the recess of the protective structure of a pile-like hydraulic structure is arranged.
  • An inventive development of the method for applying a Kolkschutzvoriques provides that in the step of arranging the Kolkschutz- Device, the sealing element is pushed through by the support structure of a post-like hydraulic structure.
  • Figure 1 a is a plan view of a collecting structure according to a preferred
  • FIG. 1 b shows a side view of the collecting structure of FIG. 1 a
  • FIG. 1 c shows a detailed view A from FIG. 1 b
  • FIG. 1 d shows a detailed view B from FIG. 1 a
  • Figure 2a is a plan view of an embodiment of an inventive
  • FIG. 2b shows a side view of the anti-scald device of FIG. 2a
  • FIG. 2c shows a detailed view C from FIG. 2b
  • FIG. 3 a shows a plan view of a further embodiment of an anti-collapse device according to the invention
  • FIG. 3 b shows a side view of the anti-collapse device of FIG. 3 a
  • FIG. 3c shows a detailed view D from FIG. 3b
  • FIG. 3d shows a detailed view E from FIG. 3a
  • FIG. 4a shows a plan view of the embodiment of the anti-collapse device of FIG. 3a as it is arranged on a carrying device
  • FIG. 4b shows a side view of the arrangement of FIG. 4a
  • FIG. 4c shows a detailed view F from FIG. 4b
  • FIG. 4d shows a detailed view G from FIG. 4a
  • FIG. 5a shows a plan view of a further embodiment of a scour protection device according to the invention
  • FIG. 5b shows a side view of the anti-collapse device of FIG. 5a
  • FIG. 5c shows a detailed view H from FIG. 5b
  • FIG. 5d shows a detailed view I from FIG. 5a
  • 6a is a plan view of a further embodiment of a Kolkschutzvoroplasty invention
  • FIG. 6b shows a side view of the anti-collapse device of FIG. 6a
  • FIG. 6c shows a detailed view J from FIG. 6b
  • FIG. 6d shows a detailed view K from FIG. 6a
  • FIG. 7a shows a plan view of a further embodiment of a scour protection device according to the invention
  • FIG. 7b shows a side view of the anti-collapse device of FIG. 7a
  • FIG. 7c shows a detailed view L from FIG. 7b
  • FIG. 7d shows a detailed view M from FIG. 7a
  • FIG. 8a shows a plan view of a further embodiment of a scour protection device according to the invention
  • FIG. 8b is a side view of the anti-scald device of FIG. 8a;
  • FIG. 8c shows a detailed view N from FIG. 8b
  • FIG. 8d shows a detailed view O from FIG. 8a
  • FIG. 9a shows a plan view of a further embodiment of a scour protection device according to the invention.
  • FIG. 9b shows a side view of the anti-collapse device of FIG. 9a
  • FIG. 9c shows a detailed view P from FIG. 9b
  • FIG. 9d shows a detailed view Q from FIG. 9a
  • FIG. 10a shows a plan view of a further embodiment of a scour protection device according to the invention
  • FIG. 10b shows a side view of the anti-collapse device of FIG. 10a
  • FIG. 10c shows a detail view R from FIG. 10b
  • FIG. 10d shows a detailed view S from FIG. 10a
  • FIG. 11 a shows a plan view of a further embodiment of a scour protection device according to the invention
  • FIG. 11 b shows a side view of the anti-collapse device of FIG. 11 a
  • FIG. 11 c shows a detailed view T from FIG. 1 b
  • FIG. 11 b shows a side view of the anti-collapse device of FIG. 11 a
  • FIG. 11 c shows a detailed view T from FIG. 1 b
  • FIG. 11 c shows a detailed view T from FIG. 1 b
  • FIG. 12a shows a top view of a further embodiment of a scour protection device according to the invention
  • FIG. 12b shows a side view of the anti-collapse device of FIG. 12a
  • FIG. 12c shows a detailed view U from FIG. 12b
  • FIG. 12d shows a detailed view V of FIG. 12a
  • FIG. 13 shows a side view of the embodiment of the anti-collapse device of FIG. 12 as it is arranged on a carrying device
  • Figure 14 is a plan view of the arrangement of Figure 13, and
  • FIG. 15 shows a detail view from FIG. 13.
  • FIGS. 1 a to 1 d show a collecting structure 10, on which fastening elements 30 are arranged on two opposite sides.
  • the fasteners are designed here as an eyelet, as can be seen in particular in Figure 1 c.
  • the collecting structure has a substantially square shape and is designed here as a coarse-meshed network.
  • a circular recess 1 1 is arranged in the middle of the collecting structure.
  • This recess 1 1 has a reinforcement 19, which can be seen in Figure 1 d.
  • the side view 1 b can be seen as a support structure 50 of a post-like Hydraulic structure such as an offshore wind turbine through the recess 1 1 is performed.
  • a preferred sealing element 41 which has the same shape as the recess of the collecting structure.
  • FIGS. 2a to 2c show how a protective structure 20 is arranged on the collecting structure 10, which in the present case is designed as a planar basic protective structure 210.
  • This basic protective structure 210 defines the outer dimensions of the protective structure 20 and has a substantially same area as the collecting structure 10.
  • the basic protective structure 210 is preferably firmly connected to the collecting structure 10 and has a circular recess 21 at the same position as the collecting structure 10, which represents the recess 21 of the protective structure 20.
  • FIG. 2 b and in FIG. 2 c it can be seen that the basic protective structure 210, and thus the protective structure 20, is arranged on the collecting structure 10.
  • FIGS. 3 a to 3d show how the protective elements 220 are arranged on the basic protective structure 210. These are designed as geotextile sand containers and distributed uniformly over the surface of the basic protection structure 210. In this case, none of the protective elements 220 is disposed within the recess 11 of the collecting structure or the recess of the protective structure 21, so that they remain free. In FIG. 3c it can be seen how the individual protective elements 220 are firmly and detachably connected to one another via seams 230.
  • FIG. 3d shows the superimposed structure of the protective structure 20, consisting of the basic protective structure 210 and protective elements 220, which is arranged on the collecting structure 10.
  • FIGS. 4a to 4d show how the anti-collapse device 1 according to the invention is fastened to a carrier device 60.
  • the carrying device has two longitudinal beams 61, 62, to which the anti-collapse device 1 is fastened via the fastening elements 30, and two transverse bars 63, 64 connected at right angles to the longitudinal bars, and two reinforcing bars 65, 66.
  • the transverse bars 63, 64 are divided into two Parts 63a, 63b and 64a, 64b, the are arranged displaceable in one another. These two parts 63a, 63b and 64a, 64b are each connected to each other by a telescopic element 67, 68.
  • This telescopic element forms a, preferably hydraulically or pneumatically operating, actuator whereby the opposite longitudinal beams 61, 62 can be adjusted in their distance from each other.
  • the anti-collapse device 1 can be brought to the application site by the arrangement on the carrying device, for example by connecting the receiving elements 69 with a crane via one or more cables.
  • In support of the tension of the Kolkschutzvorraum can be reinforced by the telescopic elements 67, 68 by the distance of the longitudinal beams 61, 62 to each other by expansion of the telescopic elements is increased.
  • FIGS. 5a to 5d substantially corresponds to the embodiment shown in FIGS. 3a to 3d.
  • the protective structure 20 is here formed in two layers over the entire area, and a basic protective structure has been dispensed with.
  • the plurality of protective elements 220 are arranged in two layers one above the other.
  • the protective elements 220 are arranged such that the protective elements are arranged in the upper layer on the seams or gaps of the protective elements of the lower layer, as can be seen in the side view in Figure 5b and in Figure 5c.
  • the protective elements of the second layer are arranged offset to the protective elements of the first layer.
  • the protective elements 220, which form the protective structure 20 here, are arranged directly on the collecting structure 10.
  • the anti-collapse device 1 not only has a respective recess in the collecting structure 10 and in the protective structure 20, but four recesses 12, 13, 14, 15 in the collecting structure and four recesses 22, 23 each , 24, 25 in the protective structure.
  • These recesses 12, 13, 14, 15, 22, 23, 24, 25 are arranged symmetrically with respect to the rectangular outer shape of the Kolkschutzvorraum 1. That means, that the four support structures 51, 52 (only two shown in the side view) in length and width substantially equal distances from each other.
  • sealing elements 42, 43, 44, 45 are arranged, which can be pierced by corresponding support structures.
  • FIGS. 7a to 7d essentially corresponds to the embodiment shown in FIGS. 6a to 6d.
  • the protective structure 20 is partially formed in two layers in the middle of the anti-collapse device 1, so that the protective elements 220 overlap in one area, ie are arranged one above the other.
  • the anti-collapse device 1 not only has a respective recess in the collecting structure 10 and in the protective structure 20, but four recesses 12, 13, 14, 15 in the collecting structure and four recesses 22, 23 each , 24, 25 in the protective structure.
  • These recesses 12, 13, 14, 15 and 22, 23, 24, 25 are arranged symmetrically with respect to the rectangular outer shape of the Kolkschutzvorraum 1.
  • sealing elements 42, 43, 44, 45 are arranged, which can be pierced by corresponding support structures.
  • FIGS. 9a to 9d essentially corresponds to the embodiment shown in FIGS. 8a to 8d. Notwithstanding FIGS. 8a to 8d, here the protective structure 20 is partially formed in three layers in the middle of the anti-collapse device 1, so that the protective elements 220 overlap several times in one area, ie are arranged one above the other.
  • FIGS. 10a to 10d essentially corresponds to the embodiment shown in FIGS. 3a to 3d.
  • the Kolkschutzvoroplasty invention 1 here has a circular outer shape.
  • the protective elements 200 are not uniformly distributed over the entire surface of the protective structure, but only on one side, which corresponds to half the area of the protective structure. These are arranged semicircular. Not shown in this example is the collecting structure according to the invention.
  • FIGS. 11a to 11c essentially corresponds to the embodiment shown in FIGS. 3a to 3d. Notwithstanding Figures 3a to 3d, the anti-scald device 1 according to the invention here has a circular outer shape.
  • FIGS. 12a to 12d essentially corresponds to the embodiment shown in FIGS. 5a to 5d. Notwithstanding Figures 5a to 5d, the anti-scald device 1 according to the invention here has a circular outer shape.
  • FIGS. 13 to 15 how the scour protection device 1 from FIG. 12 is arranged on a carrying device 70 according to the invention.
  • the carrying device is suspended by ropes 72 when deployed by a ship on a crane 74.
  • the ropes 72 are connected at one end with a double angle lever 71, as can be seen in particular in Figure 15.
  • the double angle lever 71 consist of a first leg 71 a and a second leg 71 b, the rope 72 is struck at the free end of the first leg 71 a and the free end of the second leg 71 b is connected to a fastening element 30 of the Kolkschutzvorraum 1.
  • the anti-collapse device 1 is attached to the crane 74 via the double-angle lever 71.
  • the double angle lever 71 are rotatably supported by a deflection point 73 and fixed to a support frame 75.
  • the double angle 71 are pivotable about an axis which is tangent to the circle radius of the Kolkschutzvorraum.
  • the anti-scalding device 1 is then lowered by the crane 74 over the supporting structure of the pile-like hydraulic structure to the seabed, wherein the anti-scalding device 1 is positioned on the seabed when lowered so that the supporting structure of the pole-like hydraulic structure in arrangement within the recess of the collecting structure and the recess of the Support structure passes. Then, the anti-collapse device 1 is released on the fastening elements 30 of the legs 71 b attached thereto and thus of the crane.

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Abstract

L'invention concerne un dispositif de protection contre l'affouillement (1) comprenant une structure de retenue (10), au moins une structure de protection (20) disposée sur la structure de retenue, et au moins un élément de fixation (30) disposé sur la structure de retenue, l'élément de fixation étant fixé sur le dispositif porteur (60, 70). La particularité de l'invention réside en ce que la structure de retenue présente au moins un évidement (11, 12, 13, 14, 15) et la structure de protection présente au moins un évidement (21, 22, 23, 24, 25) qui coïncide au moins partiellement avec l'évidement de la structure de retenue (figure 12a).
PCT/EP2016/078205 2015-11-23 2016-11-18 Dispositif de protection WO2017089244A1 (fr)

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EP16798179.4A EP3380678A1 (fr) 2015-11-23 2016-11-18 Dispositif de protection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015120269.7A DE102015120269A1 (de) 2015-11-23 2015-11-23 Kolkschutzvorrichtung
DE102015120269.7 2015-11-23

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WO2017089244A1 true WO2017089244A1 (fr) 2017-06-01

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EP (1) EP3380678A1 (fr)
DE (1) DE102015120269A1 (fr)
WO (1) WO2017089244A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886326A (zh) * 2019-11-11 2020-03-17 浙江大学 一种海上风电桩基础的防冲刷保护装置及安装方法
CN111350205A (zh) * 2020-01-20 2020-06-30 重庆大学 一种适用于水中群桩桩基防冲刷坑装置及其施工方法
CN113982016A (zh) * 2021-10-20 2022-01-28 长江勘测规划设计研究有限责任公司 一种新型的桩基防冲刷防护结构及其施工方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111021431B (zh) * 2019-11-14 2021-08-17 中国能源建设集团广东省电力设计研究院有限公司 单桩基础冲刷防护装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130276A (en) * 1982-11-10 1984-05-31 Gulf Applied Tech Anti-scour apparatus
EP2767637A1 (fr) * 2013-02-14 2014-08-20 BEKA MareSOLUTIONs GmbH Dispositif constitué d'un matériau flexible et plat maintenu par une structure porteuse pour la protection contre l'affouillement et procédé de fabrication d'une structure porteuse

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130276A (en) * 1982-11-10 1984-05-31 Gulf Applied Tech Anti-scour apparatus
EP2767637A1 (fr) * 2013-02-14 2014-08-20 BEKA MareSOLUTIONs GmbH Dispositif constitué d'un matériau flexible et plat maintenu par une structure porteuse pour la protection contre l'affouillement et procédé de fabrication d'une structure porteuse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886326A (zh) * 2019-11-11 2020-03-17 浙江大学 一种海上风电桩基础的防冲刷保护装置及安装方法
CN111350205A (zh) * 2020-01-20 2020-06-30 重庆大学 一种适用于水中群桩桩基防冲刷坑装置及其施工方法
CN113982016A (zh) * 2021-10-20 2022-01-28 长江勘测规划设计研究有限责任公司 一种新型的桩基防冲刷防护结构及其施工方法

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EP3380678A1 (fr) 2018-10-03
DE102015120269A1 (de) 2017-05-24

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