EP3591166B1 - Soutènement de tunnel composé d'au moins deux éléments en béton - Google Patents

Soutènement de tunnel composé d'au moins deux éléments en béton Download PDF

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Publication number
EP3591166B1
EP3591166B1 EP18181230.6A EP18181230A EP3591166B1 EP 3591166 B1 EP3591166 B1 EP 3591166B1 EP 18181230 A EP18181230 A EP 18181230A EP 3591166 B1 EP3591166 B1 EP 3591166B1
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EP
European Patent Office
Prior art keywords
concrete
protective
seal
tunnel lining
protective element
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.)
Active
Application number
EP18181230.6A
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German (de)
English (en)
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EP3591166A1 (fr
Inventor
Jörg Riechers
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.)
Herrenknecht AG
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Herrenknecht AG
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
Priority to ES18181230T priority Critical patent/ES2880101T3/es
Application filed by Herrenknecht AG filed Critical Herrenknecht AG
Priority to EP18181230.6A priority patent/EP3591166B1/fr
Priority to DK18181230.6T priority patent/DK3591166T3/da
Priority to US17/255,766 priority patent/US11834950B2/en
Priority to CA3105498A priority patent/CA3105498C/fr
Priority to CN201980044529.4A priority patent/CN112368462B/zh
Priority to PCT/EP2019/066630 priority patent/WO2020007631A1/fr
Publication of EP3591166A1 publication Critical patent/EP3591166A1/fr
Application granted granted Critical
Publication of EP3591166B1 publication Critical patent/EP3591166B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/385—Sealing means positioned between adjacent lining members

Definitions

  • the invention relates to a tunnel lining composed of at least two concrete elements, each with at least one protective element connected to the concrete element, the protective element having a protective section which has a first side facing the concrete element, on which at least one connecting element for establishing a holding connection of the protective section with the Concrete element is provided, the protective section consists of at least one plastic, the protective element having at least one protective element seal connected to the protective section, the connection to the protective section being gas-tight and liquid-tight, with a joint between the at least two concrete elements arranged for tunnel lining is present, wherein the joint is sealed gas-tight and liquid-tight to the tunnel interior by at least one protective element seal with a first sealing effect.
  • Such tunnel construction with concrete elements with protective elements are among other things WO 2005/024183 A1 , WO 2011/085734 A1 , WO 2015/139807 A2 and from WO 2017/008913 A1 known.
  • Alternative embodiments are from JP 2004132002 , DE 3800630 A1 and US 6328501 B1 known.
  • tunnel lining is used, for example, in connection with tunnel boring machines which comprise a boring head, behind which a cylindrical shield with a shield jacket and a shield tail is arranged.
  • the shield has a smaller outer diameter than the drill head, so that there is no direct contact between the tunnel wall and the shield.
  • the concrete elements are positioned in the shield tail at the edge of the shield. They are pressed against the direction of advance against the adjacent concrete elements attached last and, if necessary, connected to them.
  • Several concrete elements together form a tunnel extension in the form of a ring over the entire circumference of the tunnel. The tunnel expansion will then be gradually built ring by ring.
  • the gap between a ring and tunnel wall is possibly filled with mortar, e.g. B. to prevent subsidence.
  • mortar e.g. B. to prevent subsidence.
  • an injection hole which is designed as a hole connecting the outer surface of the concrete element to the inner surface of the concrete element.
  • This type of tunnel lining is also used, among other things, for the construction of sewer pipes, in particular of larger collecting pipes.
  • increased demands are placed on the tightness of the tunnel cladding.
  • the inside of the tubbing is sealed with a cladding so that no gases rising from the wastewater or possibly even the wastewater itself can get into the concrete via the tunnel walls and damage it (corrosion).
  • the protective layer of protective elements protects the concrete of the concrete elements from the effects of aggressive (eg corrosive) gases or liquids. Together with seals, the protective elements of the concrete elements of the cladding thus seal the tunnel lining or its concrete elements from the inside.
  • the concrete element is prefabricated with the protective element, which means that sealing the cladding as a separate work step in tunnel construction, for example welding the joints between the protective elements / protective layers of adjacent concrete elements, is no longer necessary.
  • a protective layer is provided on the concrete element, which covers an inner surface of the tubbing opposite a convex outer surface.
  • This protective layer exists according to DE 3800630 A1 made of metal.
  • This protective layer exists according to WO 2005/024183 A1 made of fiberglass or polyethylene (PE), according to WO 2011/085734 A1 from polydicyclopentadiene (pDCPD), according to WO 2015/139807 A2 from a mixture of PE and pDCPD, or according to JP2004132002 made of a synthetic resin and in particular made of polyethylene (PE), polypropylene (PP), PVC, polyester or vinyl ester and is firmly anchored in the concrete by means of mechanical anchoring, so that an inseparable connection between the protective layer and the concrete is created.
  • PE polyethylene
  • PP polypropylene
  • PVC polyvinylene
  • the protective layer is designed so that only the inside of the segment element is covered ( JP2004132002 ) or side surfaces of the concrete element are also partially included ( WO 2005/024183 A1 , WO 2011/085734 A1 , WO 2015/139807 A2 ).
  • JP2004132002 JP2004132002
  • side surfaces of the concrete element are also partially included ( WO 2005/024183 A1 , WO 2011/085734 A1 , WO 2015/139807 A2 ).
  • a choice of material from the options mentioned above is also given for the protective elements according to the invention.
  • a seal which protrudes beyond the protective layer, is then provided on the side surface.
  • the seal is made of an elastic material so that when the individual tubbings are put together for tunnel lining, the joints between the adjacent concrete elements are closed by the seal.
  • a protective element seal with the function described above is also provided for the protective elements according to the invention.
  • the joints can be closed by welding the individual protective layers provided on the inside of the concrete elements.
  • the concrete element itself is according to US 6328501 B1 and WO 2005/024183 A1 produced by means of formwork.
  • a protective layer is placed on the bottom of the formwork in the formwork.
  • protective layer elements are also placed on the side walls of the formwork.
  • the formwork has a recess into which the seal is inserted. Then the concrete is poured into the formwork in conjunction with the reinforcement. After the concrete has hardened, the segment is used as a tunnel lining.
  • the entire ring may not be covered with a protective layer, but in the sole area the protective layer or the welding of the protective layer is left out in the area that does not dry out.
  • the water that is present can then flow down to the sole on the side of the protective elements facing the concrete elements and then enter the tunnel there and flow off over it. This is possible if this area does not dry out so that the concrete does not corrode due to gases.
  • Such a structure is not possible if the wastewater alone cannot be diluted, or if the wastewater alone is already so aggressive that the concrete is impaired.
  • the protective section has at least one drainage element, for example an opening in the protective element or also a sleeve / an erector plug with openings, possibly with a closure element, through which a liquid from the first side of the protective section can pass through to the opposite side of the protective section facing away from the concrete element.
  • the existing groundwater is instead purposefully discharged through the protective element, thereby preventing pressure-related detachment. In this case, however, the gas tightness of the protective element must be guaranteed despite the drainage element.
  • the solution according to the invention provides that at least one concrete element has at least one concrete element seal arranged separately from the protective element with a second sealing effect, which seals the joint gas- and liquid-tight against the rock, that the protective element seal has a lower sealing effect than the concrete element seal, that the tunnel lining there is drainage from a mountain surrounding the tunnel lining into a tunnel formed by the tunnel lining, that between the protective element seal and the concrete element seal there is water permeability from the concrete element into the joint, and that the drainage through the joint between the at least two concrete elements in the section takes place between the concrete element seal and the protective element seal (30) and through the protective element seal.
  • Another teaching of the invention provides that the concrete element seal is provided on the protective element at a distance from the protective element seal. This enables safe drainage out of the concrete element in a simple manner.
  • Another teaching of the invention provides that the concrete element seal is arranged in a recess in the concrete element. This enables a secure arrangement of the concrete element seal on the concrete element in a simple manner.
  • the protective section has at least one floor section or at least one floor section and at least one wall section. In this way, a sufficient protective element is provided in a simple manner.
  • the connecting element is an anchor structure, a honeycomb structure, a web, a pin and / or a surface element with openings.
  • the connecting element is projections which preferably consist of the same plastic as the bottom section and / or wall section.
  • the protective section is connected in one piece to the at least one connecting element, the one-piece connection preferably being produced by injection molding of the plastic.
  • surface elements such as honeycomb structures or surface sections with through openings, allow the protective element to be anchored particularly well to the concrete element over the entire surface of the protective element.
  • the additional provision of pins or the like, which, if necessary, extend further into the concrete of the concrete element, an increased punctual increase in the holding force can be achieved.
  • the gas-tight and liquid-tight connection between the protective section and the protective element seal is injection molded.
  • the protective element seal with the protective section is produced by injection molding with at least one plastic. This makes it possible to limit the injection molding essentially to the direct connection of the base section to the protective element seal.
  • Injection molding ensures that the protective elements are manufactured with a consistently high quality, so that the protective effect of the protective element in relation to the finished concrete element is particularly high and of consistently high quality, regardless of the manufacturing process of the concrete element.
  • the protective element is shaped in such a way that, in relation to the seal, an enclosure of the sealing material with the injection molding material, which is provided on at least three sides, is provided.
  • Injection molding is understood here to mean all processes that can be subsumed under injection molding, i.e. processes in which one or more thermoplastics / thermosets / elastomers, for example as polymers or monomers, are introduced into a mold alone, individually, one after the other or at the same time (for example Overmolding / overmolding or multi-component injection molding), or in which monomers are processed that only become polymers in the injection mold (e.g. reaction overmolding).
  • the plastic is a polydicyclopentadiene (pDCPD), preferably high temperature resistant, a resin into which glass fibers are preferably introduced, or a thermoplastic, preferably PE.
  • pDCPD polydicyclopentadiene
  • PE thermoplastic
  • Another teaching of the invention provides that the at least two concrete elements are gas-tight with respect to the inside of the tunnel through the provision of the one protective element in each case. In this way, a high corrosion resistance of the tunnel lining is achieved in a simple manner.
  • the tunnel lining is constructed in two parts, with an inner concrete element on which the protective element is arranged, and an outer concrete element on which the concrete element seal is arranged. It is advantageous that between the Concrete elements a joint, preferably concentric, is provided through which a fluid flow can take place. Another teaching of the invention provides that the joint is filled with a liquid-permeable filler material. It has been shown that in this way, in a particularly simple manner, should a two-part tunnel lining be necessary, a simple drainage option is provided, with a high level of corrosion resistance being achieved at the same time in a simple manner.
  • the bottom and / or the wall section essentially consists of a film, a plate or a sheet, which is preferably connected with connecting elements, and / or is formed from a further plastic, for example PE .
  • PE polyethylene
  • Another teaching of the invention provides that additional drainage elements can be provided in the flat sections of the protective elements. This is advantageous if the drainage according to the invention should not be considered sufficient when dimensioning the tunnel lining.
  • Another teaching of the invention provides in this context that a ceiling element is also provided, so that a hollow body is produced, into which the concrete and, if necessary, reinforcement is then introduced during injection molding. This is particularly advantageous if the outside of the concrete element must also be protected against aggressive water in the mountains.
  • a lining ring made of concrete elements 10 (tubbings) ( Fig. 1 ) intended.
  • the concrete element has a convex upper side 11 and an opposite underside 12 (in Fig. 1 covered by a protective element 20).
  • the protective element 20 is arranged on the underside 12 of the concrete element 10.
  • the concrete element 10 has recesses 14 on its wall sections 13, which are not covered by the protective element 20, for example.
  • Concrete element seals 50 are arranged in the recesses 14. These have a sealing surface 51 which, when the individual concrete elements 10 are assembled, either meets another wall section 13 or another sealing surface 51 of a concrete element seal 50.
  • the concrete element seal 50 has chambers 52, for example.
  • the elastic plastic of the concrete element seal 50 is deformed and the chambers 52 are compressed.
  • holding projections can optionally be arranged which engage in the concrete 16 after it has been poured.
  • the protective element 20 has a bottom section 21 and wall sections 22, 23.
  • the connection between seal 30 and protective element 20 is made, for example, by injection molding.
  • a spacing 15 is provided which is not covered by the protective element 20.
  • the concrete element 10 can also have only one protective element 20 with a bottom section 21 (not shown) on which the protective element seal 30 is arranged in a gas- and liquid-tight manner, for example by injection molding.
  • the protective element 20 has a bottom section 21, on the outer sides of which wall sections 22, 23 are arranged essentially at right angles, but also in any other arrangement.
  • the inside of the floor section 21 has holding elements 17, for example pins.
  • webs can also be arranged parallel to an outer wall and webs to the outer wall arranged at right angles thereto.
  • the webs can, for example, be provided with openings through which concrete 16 can pass and thus produce a particularly good holding connection after hardening.
  • the bottom section 21 has a second flat section 28, which can consist of a PE film, for example.
  • This second section can extend over the entire base section 21 or only parts thereof. It is preferably connected to the rest of the protective element 20, in particular the first section 25, which can form part or the entire wall section 22, 23, by means of injection molding.
  • the protective element seal 30 consists of an elastic plastic.
  • the seal 30 has a sealing surface 31 which, when the individual concrete elements are assembled, meets either another concrete surface or another sealing surface 31 of a protective element seal 30.
  • the protective element seal 30 has chambers 32.
  • the elastic plastic of the protective element seal 30 is deformed and the chambers 32 are compressed.
  • the sealing surface 31 holding projections 33 are arranged, which in the plastic Wall sections 22, 23 of the protective element 20 engage. This and the adjacent side walls of the protective element seal 30 combine with the plastic of the protective element during injection molding or are enclosed by this in a gas-tight manner.
  • the protective element seal 30 has a sealing effect that is smaller than the sealing effect of the concrete element seal 50 but is sufficiently great that no gases or liquids can pass from the tunnel interior 100 through the protective element seal 30 and, for example, can get into the joint and then with the Concrete 16 can come into contact.
  • a protective element 20 as shown in Fig. 1 is shown can be made, for example, by injection molding. Alternative embodiments are in Fig. 1 and 3a to 3d shown.
  • Figures 3a to 3d show alternative embodiments of the protective element 20 with a view to the fact that the protective element 20 or the floor section and / or the wall section are at least partially made of a flat section 28 from prefabricated semi-finished products such as webs with projections arranged thereon.
  • Figures 3a to 3d show various exemplary ways of connecting the second section 28 to a first section 25, which was produced, for example, by injection molding. This connection can be made abruptly ( Figures 3a, 3d and 3c ) or the second section 28 is joined by the first section 25 on one side (not shown) or on both sides ( Fig. 3d ) encompassed.
  • the flat element forming the second section 28 is provided not only as a component of the bottom section 21, but also as a wall section 22, 23.
  • the intermittent joining, as in Figures 3a, 3d and 3c shown, has surprisingly proven to be sufficient in particular in the connection of PE as a flat element and pDCPD as an injection-mouldable plastic of the first section 25.
  • PE as a flat element
  • pDCPD as an injection-mouldable plastic of the first section 25.
  • the tunnel lining 300 is formed by assembling the concrete elements 10 to form a ring on the rock 200 and arranging several rings to form an expansion. Joints 40 are present between the concrete elements 10 as a result of the assembly. These joints are closed by the concrete element seals 50 on the mountain side in such a way that their sealing effect is greater than the groundwater pressure, so that no groundwater or other pending liquids can enter the joints 40 behind the concrete element seal 50.
  • the concrete element seal 50 is designed in such a way that its sealing effect prevents the groundwater from penetrating into the joint 40 behind the concrete element seal 50. If there are cracks in the concrete 16 in the event of damage or if the groundwater penetrates through the concrete 16 in the event of damage, this may be present on the underside 12 of the concrete element 10 on the inside of the protective element 20.
  • the sealing effect of the protective element seal is smaller than the existing groundwater pressure / liquid pressure, the water / liquid passes through the protective element seal 30 in the direction of arrow C and reaches the tunnel interior 100.
  • a tunnel lining 300 In a first embodiment of a tunnel lining 300 according to the invention, two concentrically constructed lining rings made of concrete elements 10a, 10b (tubbings) ( Fig. 2 ) intended.
  • the first expansion ring is composed of the concrete elements 10a. On their wall sections 13a, these have a recess 14 in which a concrete element seal 50 is arranged. There are joints 40a between the concrete elements 10a.
  • the second extension ring is then erected from concrete elements 10b, either after the construction of the first extension ring has been completed or only with a time delay, which have protective elements 20 with a protective element seal 30 as described above on their underside 12. There are joints 40b between the concrete elements 10b.
  • a concentric joint 41 is provided after assembly, which is filled with a filling material 42, preferably water-permeable.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Claims (10)

  1. Soutènement de tunnel composé d'au moins deux éléments en béton (10) munis respectivement d'au moins un élément de protection (20) relié avec l'élément en béton, l'élément de protection (20) comprenant une section de protection, qui comprend un premier côté tourné vers l'élément en béton (10), sur lequel au moins un élément de liaison (17) pour la création d'une liaison de maintien de la section de protection avec l'élément en béton (10) est prévu, la section de protection étant constituée par au moins une matière plastique, l'élément de protection (20) comprenant au moins un joint d'étanchéité d'élément de protection (30), qui est relié avec la section de protection (20), la liaison avec la section de protection (20) étant étanche aux gaz et étanche aux liquides, une fente (40) étant présente entre lesdits au moins deux éléments en béton (10) agencés pour former le soutènement de tunnel (300), la fente (40) étant étanchéifiée de manière étanche aux gaz et de manière étanche aux liquides par rapport à l'intérieur du tunnel (100) par au moins un joint d'étanchéité d'élément de protection (30) ayant une première action d'étanchéification, caractérisé en ce qu'au moins un élément en béton (10) comprend au moins un joint d'étanchéité d'élément en béton (50) agencé séparément de l'élément de protection (20), ayant une deuxième action d'étanchéification, qui étanchéifie la fente (40) de manière étanche aux gaz et aux liquides par rapport à la montagne (200), en ce que le joint d'étanchéité d'élément de protection (30) présente une action d'étanchéification plus faible que le joint d'étanchéité d'élément en béton (50), en ce qu'un drainage est conféré au soutènement de tunnel à partir d'une montagne entourant le soutènement de tunnel dans un tunnel formé par le soutènement de tunnel, en ce qu'une perméabilité à l'eau à partir de l'élément en béton dans la fente (40) existe entre le joint d'étanchéité d'élément de protection (30) et le joint d'étanchéité d'élément en béton (50), et en ce que le drainage a lieu au travers de la fente (40) entre lesdits au moins deux éléments en béton (10) dans la section entre le joint d'étanchéité d'élément en béton (50) et le joint d'étanchéité d'élément de protection (30) et au travers du joint d'étanchéité d'élément de protection (30).
  2. Soutènement de tunnel selon la revendication 1, caractérisé en ce que le joint d'étanchéité d'élément en béton (50) est prévu à une distance du joint d'étanchéité d'élément de protection (30) sur l'élément de protection.
  3. Soutènement de tunnel selon la revendication 1 ou 2, caractérisé en ce que le joint d'étanchéité d'élément en béton (50) est agencé dans un creux (14) dans l'élément en béton (10).
  4. Soutènement de tunnel selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la section de protection comprend au moins une section de fond (21) ou comprend au moins une section de fond (21) et au moins une section de paroi (22, 23).
  5. Soutènement de tunnel selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la liaison étanche aux gaz et étanche aux liquides entre la section de protection et le joint d'étanchéité d'élément de protection est moulée par injection.
  6. Soutènement de tunnel selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la matière plastique consiste en un polydicyclopentadiène (pDCPD), de préférence résistant aux hautes températures, une résine, dans laquelle des fibres de verre sont de préférence introduites, ou en un thermoplastique, de préférence du PE.
  7. Soutènement de tunnel selon l'une quelconque des revendications 1 à 6, caractérisé en ce que lesdits au moins deux éléments en béton (10) sont étanches aux gaz par rapport à l'intérieur du tunnel (100) par la prévision de l'élément de protection (20) respectif.
  8. Soutènement de tunnel selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le soutènement de tunnel (300) est formé en deux parties, avec un élément en béton intérieur (10b), sur lequel l'élément de protection (20) est agencé, et un élément en béton extérieur (10a), sur lequel le joint d'étanchéité d'élément en béton (50) est agencé.
  9. Soutènement de tunnel selon la revendication 8, caractérisé en ce qu'une fente (41) est prévue entre les éléments en béton (10a, 10b), au travers de laquelle un flux de liquide peut avoir lieu.
  10. Soutènement de tunnel selon la revendication 9, caractérisé en ce que la fente (41) est remplie avec un matériau de remplissage perméable aux liquides.
EP18181230.6A 2018-07-02 2018-07-02 Soutènement de tunnel composé d'au moins deux éléments en béton Active EP3591166B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP18181230.6A EP3591166B1 (fr) 2018-07-02 2018-07-02 Soutènement de tunnel composé d'au moins deux éléments en béton
DK18181230.6T DK3591166T3 (da) 2018-07-02 2018-07-02 Tunneludmuring sammensat af mindst to betonelementer
ES18181230T ES2880101T3 (es) 2018-07-02 2018-07-02 Sostenimiento de túnel compuesto de al menos dos elementos de hormigón
CA3105498A CA3105498C (fr) 2018-07-02 2019-06-24 Cuvelage de tunnel compose d'au moins deux elements en beton
US17/255,766 US11834950B2 (en) 2018-07-02 2019-06-24 Tunnel lining composed of at least two concrete elements
CN201980044529.4A CN112368462B (zh) 2018-07-02 2019-06-24 由至少两个混凝土元件组装的隧道衬砌
PCT/EP2019/066630 WO2020007631A1 (fr) 2018-07-02 2019-06-24 Cuvelage de tunnel composé d'au moins deux éléments en béton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18181230.6A EP3591166B1 (fr) 2018-07-02 2018-07-02 Soutènement de tunnel composé d'au moins deux éléments en béton

Publications (2)

Publication Number Publication Date
EP3591166A1 EP3591166A1 (fr) 2020-01-08
EP3591166B1 true EP3591166B1 (fr) 2021-06-02

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EP18181230.6A Active EP3591166B1 (fr) 2018-07-02 2018-07-02 Soutènement de tunnel composé d'au moins deux éléments en béton

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Country Link
US (1) US11834950B2 (fr)
EP (1) EP3591166B1 (fr)
CN (1) CN112368462B (fr)
CA (1) CA3105498C (fr)
DK (1) DK3591166T3 (fr)
ES (1) ES2880101T3 (fr)
WO (1) WO2020007631A1 (fr)

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ES2880101T3 (es) 2021-11-23
EP3591166A1 (fr) 2020-01-08
CN112368462B (zh) 2022-12-23
US11834950B2 (en) 2023-12-05
US20210355827A1 (en) 2021-11-18
CA3105498A1 (fr) 2020-01-09
WO2020007631A1 (fr) 2020-01-09
CN112368462A (zh) 2021-02-12
CA3105498C (fr) 2023-08-22
DK3591166T3 (da) 2021-08-16

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