EP3044377B1 - Dammstruktur zur flutabwehr, damm mit solch einer struktur und verfahren zur bereitstellung eines damms - Google Patents

Dammstruktur zur flutabwehr, damm mit solch einer struktur und verfahren zur bereitstellung eines damms Download PDF

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Publication number
EP3044377B1
EP3044377B1 EP14738913.4A EP14738913A EP3044377B1 EP 3044377 B1 EP3044377 B1 EP 3044377B1 EP 14738913 A EP14738913 A EP 14738913A EP 3044377 B1 EP3044377 B1 EP 3044377B1
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EP
European Patent Office
Prior art keywords
dam
flood defence
floor element
dam structure
sides
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EP14738913.4A
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English (en)
French (fr)
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EP3044377A1 (de
Inventor
Hendrik HARMS
Gezinus WESSELS
Ronald Fokke Onno BRONSEMA
Luchinus Hendrik BOELEN
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SLAMDAM HOLDING BV
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Slamdam Holding BV
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Priority claimed from NL2011435A external-priority patent/NL2011435C2/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
    • E02B3/106—Temporary dykes
    • E02B3/108—Temporary dykes with a filling, e.g. filled by water or sand
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0692—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising flexible sheets as closing screen
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B2009/007—Flood panels

Definitions

  • the present invention relates to a flood defence dam structure that is capable of providing a flood defence dam that can be filled with water.
  • These dams can be used in case of floods caused by heavy rain falls, increase of sea (or river) water level, for example.
  • sand bags are used. These sand bags are relatively expensive and require a large amount of labour for filling and positioning the sand bags.
  • box barriers that can be positioned such that a dam is provided. Such boxes are also relatively expensive, and take up a lot of storage room. In addition, such box barriers show leakage problems on an uneven ground surface.
  • hoses that are filled with water to provide a dam. Such hoses are often difficult to position correctly to provide a substantially watertight dam.
  • DE 203 09 206 U1 discloses a flood defence dam structure according to the preamble of claim 1 and in particular having a floor element and two sides.
  • the objective for the present invention is to provide a dam structure obviating or reducing one or more of the above stated problems.
  • the flood defense dam structure according to the invention is defined in claim 1. It provides a floor element having a certain length and a certain width.
  • the length of the structure can be chosen freely. For example, the length may vary between a length similar to a door opening and a length of up to a 1000 meters or even more.
  • This floor element definition the position of use as the floor element is in contact with the ground surface.
  • By defining a specific floor element the position of the dam structure can be maintained in time, even with forces acting on the dam structure.
  • a substantially watertight connection between the dam structure and the ground surface is achieved.
  • the dam is positioned correctly, without for example any twisting of the dam structure.
  • the dam will remain at its location and does not intend to move as would be the case with a hose that is filled with water.
  • the dam structure according to the present invention is provided with a number of foldable connections.
  • This connection is preferably a permanent foldable connection, such that surfaces of the dam structure can be put fully upright relative to the floor element, or can be positioned at another angle. This guarantees that the floor element remains in contact with the ground surface.
  • having permanent foldable connections between sides and floor element reduces the risk of leakage when positioning the dam structure relative to the ground surface often involving sliding and rubbing of the edges over the rough ground surface. This is also relevant in case hydrostatic pressure acts on the dam structure including the longitudinal connection.
  • the sides and floor element extend in a lengthwise direction of the dam structure, with at least one of the sides, and in some embodiments both, having a sealable edge.
  • the dam structure comprises two sub-structures and a partition wall extending in longitudinal direction of the dam structure between the two sub-structures, wherein the sub-floor elements of the two sub-structures together define the floor element of the dam structure.
  • the floor element is connected to a first side with a foldable connection, and the first side is connected to a second/upper side with a foldable connection.
  • the sub-structures are U-shaped chambers with the open sides directed towards each other, and the partition wall separating the two chambers.
  • the floor element and the second/upper side of a first sub-structure are sealed against the floor element and the second/upper side of a second sub-structure, preferably involving a first hot-bonding process for sealing the first sub-structure to the partition wall and a second hot-bonding process for sealing the second sub-structure to the partition wall.
  • the foldable connections are arranged such that the sealed connections extending in longitudinal direction of the dam structure are positioned away from the corners of the dam structure and at or close to the longitudinal plane of symmetry of the dam structure that is oriented in a substantial vertical direction when the dam structure is in use.
  • Connecting the two sub-structures preferably provides a tubular structure, more preferably of a concave shape.
  • the outer ends of the tubular structure are closed by a number of side elements.
  • the side element is permanently connected to the first side with a foldable connection.
  • the other edges of the side elements are preferably sealed to the (free) outer edge of the second/upper side element and floor element to define one of the chambers.
  • the side element defines the shape of the flood defence dam that is provided with the dam structure according to the invention.
  • the dam structure comprises one sub-structure, and the sides, floor element and the sealable edge(s) are provided such that the two sides of one dam structure can be connected to define a tubular structure.
  • the outer ends of this tubular structure are closed by a side element.
  • the side element is also connected to the floor element with a foldable connection, preferably such that the side element can be folded upright relative to the floor element.
  • the other edges of the side elements are preferably sealed to the (free) outer edge of the side element to define a chamber that can be filled with a liquid.
  • the side element defines the shape of the flood defence dam that is provided with the dam structure according to the invention.
  • foldable connections reduces the number of required sealed connections. This reduces the risk of leakage and increases the overall robustness of the dam.
  • an inlet is provided such that a liquid can be provided to this chamber.
  • This inlet can be two-way.
  • the inlet comprises a one-way valve, preferably with a separate outlet.
  • the dam structure according to the present invention provides a flexible means for providing a flood defence dam.
  • the dam structure can be made on specification, depending on its intended use. Furthermore, by having a floor element, positioning the dam is relatively easy. In use this provides the dam with a defined position, also when filling the dam with a liquid.
  • the floor element provides a substantially watertight seal.
  • the flood defence dam structure and the dam resulting from such structure can be stored relatively easy by folding or rolling the dam structure or dam.
  • the dam structure according to the present invention can be manufactured relatively cost effective to provide a cost effective flood defence dam.
  • a separate outlet is provided to the dam, enabling removal of the liquid when storing the flood defence dam.
  • the dam shape is a concave shape.
  • the floor element is substantially flat, and, in use, the side edges define a 180° arc, thereby defining a tubular structure.
  • such tubular structure has the shape of a semicircle, or half a circle or ellipse. This structure provides a thorough basis for the defence dam capable of handling different forces and pressures acting on the dam during use.
  • the sides of the dam structure have a similar width, such that after sealing the sealable edge(s) define a seal at or close to the upper surface of the dam after sealing. This prevents the seal being damaged. More specifically, this prevents damaging the seal when positioning the dam. This reduces the risk of the flood defence dam not functioning correctly.
  • the floor element and the first and second sides are arranged such that after sealing the seals that extend in longitudinal direction of the dam are at or close to the substantial vertical plane of symmetry seen in longitudinal direction when the dam structure is in use.
  • the vertical plane of symmetry is the partition wall that is positioned between the two sub-structures.
  • the structure is made of a flexible material.
  • the connection between the defence dam and the surface on which it is positioned is being improved, thereby achieving an improved watertight seal.
  • the floor element can adapt to the location where it is positioned, for example on an even surface.
  • Such flexible material may involve PVC or TPE, for example. It will be understood that other flexible materials could also be applied.
  • a material thickness in the range of 0.95-3 mm provides a strong and relatively low-weight dam structure.
  • the material can be provided in different colours. For example, the colour can be chosen to distinguish the dam structure from its surroundings and/or to provide an indication of where to position the dam structure and/or what is the specific application or length of the dam structure.
  • the material is Ethylene Propylene Diene Monomer (EPDM).
  • EPDM Ethylene Propylene Diene Monomer
  • the EPDM material is sufficiently flexible to provide a good connection with the surface of the location where the defence dam is positioned.
  • the EPDM material can be provided as reinforced EPDM, for example with polyester filaments to provide sufficient tensile strength while maintaining a minimal thickness.
  • the material is flexible such that it can be stored effectively.
  • two dam structures can be placed with their side elements against each other to increase the length of the flood defence dam.
  • the connection between the side elements made from the flexible material according the presently preferred embodiment of the invention provides a substantially watertight seal. This improves the overall flexibility of the defence dam structure according to the present invention.
  • the EPDM material is relatively easy to repair, is not very sensitive for UV, and requires only low maintenance.
  • a dam structure of EPDM can be used under a broad range of circumstances, including a flood.
  • Alternative applications may include (temporary) storage of industrial products such as acids, alkalines and ketones.
  • EPDM can withstand a range of weather conditions such that the range of operation for the dam structure is broadened.
  • the flood defence dam structure further comprises a separation wall that is oriented substantially perpendicular to the longitudinal direction of the floor element. This provides additional stability to the dam.
  • the structure further comprises a separation wall that is oriented substantially parallel to the longitudinal direction of the floor element in a substantially vertical direction.
  • Providing the separation/partition wall in a substantial vertical direction results, in use, in substantially vertical forces acting on the separation wall.
  • the separation wall is connected to the dam parts with some overlap to distribute forces more evenly over the dam.
  • (reinforced) EPDM material is used that enables performing a hot bonding process without significant loss of the tensile strength of the material.
  • the connection is preferably achieved by connecting edges of the separation wall with edges of both sides of the dam structure. This results in a double overlapping connection with a thickness of approximately three times the material thickness that is capable of dealing with the tensile forces.
  • This configuration of a presently preferred embodiment is such that forces mainly relate to tensile forces and shear forces are reduced.
  • the dam structure further comprises an upper part and a lower part, wherein in use the upper parts is provided directly above the lower part.
  • the lower and upper parts are of a unitary structure. This provides an effective dam structure and dam, and enables an efficient operation.
  • the present invention also relates to a flood defence dam comprising at least one flood defence dam structure as described above, wherein the sides are sealed against each other to form a tubular structure and the outer ends of the sides are sealed against the side elements.
  • the flood defence dam provides the same advantages and effects as described for the flood defence dam structure.
  • the flood defence dam according to the invention provides a flexible means for preventing damage to a housing, dike or other structure due to a flood.
  • the flood defence dam can be applied cost effective, is easy to store and can be used efficiently without requiring a large amount of labour or having the risk of not providing a sufficient watertight dam.
  • the flood defence dam can be provided of different elements.
  • the length of the dam can be adapted in use by having a side element of a first dam structure abutting a side element of a second dam structure, such that the first and second dam structures are connected with a substantially watertight seal.
  • This watertight seal is preferably achieved by providing a dam structure of a flexible material, such as EPDM.
  • the flood defence dam according to the invention comprises a flap extending from at least one side of the dam over a ground surface. This provides additional stability to the dam structure.
  • the present invention further also relates to a method for providing a flood defence dam, the method comprising the steps of:
  • the method provides the same effects and advantages as described for the flood defence dam structure and/or flood defence dam.
  • the sealing comprises a hot-bonding process. This provides an effective connection that can be applied to the flood defence dam according to the invention.
  • Flood defence dam 2 ( Figure 1 ) is made of flood defence structure 4 ( Figure 2 ).
  • Structure 4 comprises floor element 6, first side 8, second side 10, and first side element 12 and second side element 14.
  • Sides 12,14 are connected to floor element 6 with folding lines 16,18.
  • Sides 12,14 have sealable edges 22,24 extending in longitudinal direction with sealable edges 34,36.
  • Side elements 10,12 are connected to floor element 6 with folding lines 19,20.
  • Side elements 10,12 comprise a sealable edge 26,28 to be sealed against the outer ends with sealing edges 34,36 of sides 12,14.
  • Dam 2 is provided with a length L, a width W and a height H.
  • Inlet 40 is provided to enable liquid entering chamber 46 of tubular structure 38 of dam 2.
  • dam structure 4 When manufacturing dam 2, first the desired dimensions of dam 2 are specified. Preferably starting with a flexible material, such as EPDM, dam structure 4 is provided. Sides 12,14 and side elements 8,10 are folded over folds 16,18,19,20. Sealing edges 22,24 are connected to define seal 30. Also sealing edges 26,28 of the sides 8,10 are connected to sealing edges 34,36 of the sides 12,14 to define tubular structure 38. Inlet 40 is provided for dam 2 and optionally a separate outlet (not shown) is provided.
  • a separate outlet (not shown) is provided.
  • dam 2 is provided in front of door 42 of house 44 when there is a flooding risk according to the background prior art.
  • dam 2 When dam 2 is not in use, the liquid is removed from chamber 46 and dam 2 can be brought into a storage position ( Figure 4A-B ). Alternatively, dam 2 can be folded.
  • dam 2 comprises a number of different dam elements 48 that are connected by placing side elements of different dams against each other.
  • the connection 50 between two adjacent dam elements 48 is substantially watertight due to the preferred use of the flexible material.
  • dam 2 In use, dam 2 is brought from a storing position into a use position.
  • Floor element 6 is positioned on the surface or floor in a defined positioned due to the shape of this floor element 6.
  • the chamber is filled with liquid and dam 2 is functional as a flood defence dam.
  • Alternative flood defence dam 52 ( figure 6 ) is provided with a number of compartments 54, more specifically more than one compartment 54. Compartments are provided by intermediate wall 56. There is also provided an inlet 58 welded with connection 60 to dam 52. In the illustrated embodiment inlet 58 has a diameter of about 20 cm. Walls 56 are provided with openings 62 that in the illustrated embodiment have a diameter of about 20 cm.
  • Dam 52 is made of structure 64 ( figure 7 ). With the exception of walls 62 structure 64 is similar to structure 4 of figure 2 .
  • Alternative flood defence dam 66 according to the background art ( figure 8 ) is provided with two compartments 68 that are separated by wall 70.
  • Wall 70 extends in the longitudinal direction of dam 66.
  • wall 70 is provided with openings 72.
  • a further alternative flood defence dam 74 ( figure 9 ) with structure 76 ( figure 10 ) is provided with upper part 78 and lower part 80.
  • upper part 78 has a similar shape as compared to dam 2. It will be understood that other shapes would also be possible in accordance with the invention.
  • structure 74 is of one piece. This is the presently preferred embodiment of dam 74.
  • Welds 82, 84 connect upper part 78 with lower part 80.
  • Upper part 78 is provided with inlet 86 and lower part 80 is provided with inlet 88 that provides a connection between upper part 78 and lower part 80.
  • the length of dam 74 is variable, for example between 6 and 12 meters.
  • the height of lower part 80 is about 30 cm and of upper part 78 about 50 cm.
  • the width of lower part 80 is about 120 cm and of upper part 78 about 80 cm. It will be understood that other dimensions would also be possible in accordance with the invention.
  • lower part 80 is provided with radius 90 of about 15 cm.
  • Upper part 78 is provided with radius 92 of about 40 cm.
  • Flood defence dam 94 comprises two chambers 96 extending in longitudinal direction of dam 94.
  • the cross-section of dam 94, perpendicular to the longitudinal direction of dam 94, has a rectangular shape with in the illustrated embodiment a height of about 670 mm.
  • Chambers 96 are separated by wall or partition 98.
  • partition 98 is made of EPDM with a thickness of about 1.2 mm and a length of 6 m in longitudinal direction of dam 94.
  • Partition 98 is hot bonded to left and right chambers 96a, 96b, preferably in two separate hot bonding operations to increase the overall strength of dam structure 94. Partition 98 provides additional stability to dam structure 94.
  • Longitudinal floor element 95 is with foldable connection 97 connected to side element 93. Also upper element 99 is connected with foldable connection 97 to side element 93.
  • dam 194 ( figures 11B and 11C ) is provided with chambers 196a, 196b and filling caps 198.
  • Chambers 196a, 196b are separated with partition wall 200.
  • Edges 202, 204 and 206 are hot-bonded, preferably in two separate hot binding processes, one for each chamber 196a, 196b.
  • To further increase the strength of the connection edges 202, 204 and 206 are provided with a certain length somewhat extending from the outer contour of chambers 196a, 196b. This overlapping edges provide additional strength to dam structure 194. Forces acting in a substantial vertical direction of partition 198 are supported by U-shaped sides of chambers 196a, 196b.
  • Floor element 208 and upper element 210 are permanently connected with foldable connections 214 to side element 212.
  • Shape defining sides 216 are connected to side elements 212 with foldable connection 218 and to floor element 208 and upper element 210 with hot bonding of edges 220.
  • Sides 212 are of a rectangular shape. This improves stability and robustness of dam structure 94, 194. In addition, it renders the manufacturing process of dam structure 94, 194 less complex. In use, when compartments 96a, 96b, 196a, 196 are filled, dam structure 94, 194 takes a concave shape.
  • Connection 222 ( figure 1 ID) connects edge 202 with edge 204 of partition wall 200, and edge 204 with edge 206.
  • Connection 222 has a width 224 of approximately three times the material thickness and a height 226 such that vertical forces acting on partition wall 200 can be distributed more evenly over the dam 94, 194.
  • EPDM material is used that enables performing a hot bonding process on both sides of edge 204 of partition wall 200 without significant loss of its tensile strength.
  • dam 94 is constructed from one unitary basic material piece, for example of EPDM with a thickness of about 1.2 mm and a length of 6 m in longitudinal direction of dam 94.
  • inlets are provided and/or at the sides of dam 94 outlets are provided.

Claims (11)

  1. Dammstruktur zur Flutabwehr, um einen Flutabwehrdamm (94, 194) vorzusehen, der eine oder mehrere Unterstrukturen (96, 196a, b) aufweist, wobei eine jede Unterstruktur aufweist:
    - ein Bodenelement (95, 208), das eine Länge und eine Breite hat, die die Verwendungsposition des Flutabwehrdamms definieren;
    - eine erste Seite (93, 212), die in der Längsrichtung der Dammstruktur verläuft und dauerhaft mit einer faltbaren Verbindung (97, 214) mit dem Bodenelement (95, 208) verbunden ist, und eine zweite Seite (93, 212), die in der Längsrichtung des Damms verläuft und dauerhaft mit dem Bodenelement (95, 208) oder der ersten Seite verbunden ist, wobei wenigstens eine der beiden Seiten und/oder das Bodenelement (95, 208) eine abdichtbare Kante aufweisen, wobei die faltbaren Verbindungen (97, 214) zwischen dem Bodenelement (95, 208), der ersten Seite (93, 212) und der zweiten Seite (93, 212) in einer im Wesentlichen Längsrichtung des Damms verlaufen;
    - zwei Seitenelemente (62), die dauerhaft mit einer faltbaren Verbindung (218) mit dem Bodenelement oder der ersten Seite verbunden sind und wenigstens eine abdichtbare Kante aufweisen, die zum Verbinden der Seiten angeordnet ist, wobei die Seitenelemente eine Dammform haben, die die Gestaltung definiert; und
    - einen Einlass für eine Flüssigkeit, wobei die Dammstruktur aus einem flexiblen Material besteht,
    dadurch gekennzeichnet, dass
    - die Dammstruktur zwei Unterstrukturen aufweist, von denen jede eine U-förmige Kammer (96a, 96b) definiert, wobei die beiden U-förmigen Kammern (96a, 96b) mit den offenen Seiten zueinander ausgerichtet sind und eine Trennwand (98, 198), die in der Längsrichtung des Damms zwischen den beiden Kammern (96a, 96b) verläuft und diese trennt, wobei die einzelnen Bodenelemente der beiden Kammern (96a, 96b) zusammen das Bodenelement der Dammstruktur definieren, und wobei die faltbaren Verbindungen, das Bodenelement und die erste und zweite Seite dergestalt angeordnet sind, dass nach dem Abdichten der abgedichteten Verbindungen, die in der Längsrichtung der Dammstruktur verlaufen, an oder nahe der im Wesentlichen vertikalen Symmetrieebene in der Längsrichtung betrachtet sind, wenn die Dammstruktur in Verwendung ist, und an einer zentralen Position in einem gewissen Abstand entfernt von den Längskanten der Struktur angeordnet sind; und wobei die vertikale Symmetrieebene die Trennwand zwischen den beiden Kammern ist.
  2. Dammstruktur zur Flutabwehr nach Anspruch 1, wobei die Struktur angeordnet ist, um einen Damm mit einer konkaven Form mit einer röhrenförmigen Struktur vorzusehen.
  3. Dammstruktur zur Flutabwehr nach Anspruch 1 oder 2, wobei das Material Ethylen-Propylen-Dien-Monomer (EPDM) ist.
  4. Dammstruktur zur Flutabwehr nach einem oder mehreren der vorhergehenden Ansprüche, die weiterhin eine Trennwand (56) aufweist, die im Wesentlichen senkrecht zur Längsrichtung des Bodenelements ausgerichtet ist.
  5. Dammstruktur zur Flutabwehr nach einem oder mehreren der vorhergehenden Ansprüche, die weiterhin einen oberen Teil (78) und einen unteren Teil (80) aufweist, wobei der obere Teil im Verwendung direkt über dem unteren Teil vorgesehen ist.
  6. Dammstruktur zur Flutabwehr nach Anspruch 5, wobei der untere und der obere Teil aus einer einheitlichen Struktur sind.
  7. Flutabwehrdamm (94, 194), der wenigstens eine Dammstruktur zur Flutabwehr gemäß einem oder mehreren der vorhergehenden Ansprüche aufweist.
  8. Flutabwehrdamm nach Anspruch 7, wobei ein Seitenelement einer ersten Dammstruktur an einem Seitenelement einer zweiten Dammstruktur dergestalt anliegt, dass die erste und die zweite Dammstruktur miteinander mit einer im Wesentlichen wasserdichten Abdichtung verbunden sind.
  9. Flutabwehrdamm nach einem oder mehreren der vorhergehenden Ansprüche, der weiterhin eine Klappe aufweist, die von wenigstens einer Seite des Damms über eine Bodenfläche verläuft.
  10. Verfahren zum Vorsehen eines Flutabwehrdamms (94,194), das die Schritte aufweist:
    - Vorsehen einer Dammstruktur zur Flutabwehr nach einem oder mehreren der Ansprüche 1 bis 6 und/oder eines Flutabwehrdamms nach einem oder mehreren der Ansprüche 7 bis 9;
    - Abdichten der Seiten der höher Flutabwehrdamm Struktur, die eine röhrenförmige Struktur bildet;
    - Abdichten der Seitenenden gegen die Seitenelemente; und
    - Auffüllen der röhrenförmigen Struktur mit einer Flüssigkeit.
  11. Verfahren nach Anspruch 10, wobei das Abdichten einen Heißverklebungsprozess aufweist.
EP14738913.4A 2013-09-12 2014-06-20 Dammstruktur zur flutabwehr, damm mit solch einer struktur und verfahren zur bereitstellung eines damms Active EP3044377B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL2011435A NL2011435C2 (en) 2013-09-12 2013-09-12 Flood defence dam structure, dam comprising such structure and method for providing a dam.
NL2011630 2013-10-17
NL2011930 2013-12-10
PCT/NL2014/050409 WO2015037982A1 (en) 2013-09-12 2014-06-20 Flood defence dam structure, dam comprising such structure and method for providing a dam

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EP3044377A1 EP3044377A1 (de) 2016-07-20
EP3044377B1 true EP3044377B1 (de) 2020-03-04

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NL2017234B1 (en) * 2016-07-25 2018-01-31 Mwd B V Flood defence dam structure with a connection, dam comprising such structure, and method for providing a dam

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US20100047019A1 (en) * 2008-08-19 2010-02-25 Premysl Hvezda Shape Stabilized flood Protection Wall Segment

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EP3044377A1 (de) 2016-07-20

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