US20200048852A1 - Embanking arrangement - Google Patents

Embanking arrangement Download PDF

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Publication number
US20200048852A1
US20200048852A1 US16/488,430 US201816488430A US2020048852A1 US 20200048852 A1 US20200048852 A1 US 20200048852A1 US 201816488430 A US201816488430 A US 201816488430A US 2020048852 A1 US2020048852 A1 US 2020048852A1
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US
United States
Prior art keywords
port arrangement
arrangement
opening
water volume
embanking
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.)
Abandoned
Application number
US16/488,430
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English (en)
Inventor
Sigurd Melin
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.)
Seaseal Port Protection AB
Original Assignee
Seaseal Port Protection AB
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 Seaseal Port Protection AB filed Critical Seaseal Port Protection AB
Assigned to Seaseal Port Protection AB reassignment Seaseal Port Protection AB ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MELIN, SIGURD
Publication of US20200048852A1 publication Critical patent/US20200048852A1/en
Abandoned legal-status Critical Current

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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
    • E02B3/041—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours using active mechanical means, e.g. fluidizing or pumping
    • 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
    • E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates
    • E02B7/38—Rolling gates or gates moving horizontally in their own plane, e.g. by sliding
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates
    • E02B7/50—Floating gates

Definitions

  • the present invention relates in general to an embanking arrangement for protecting areas that are threatened by floods due to storms or due to other temporary water level rise at sea, rivers and lakes.
  • the present invention relates especially to an embanking arrangement for separating and protecting a first water volume from a second water volume.
  • the embanking arrangement comprising a barrier connected to land and having an opening, said opening allowing fluid communication and passage between the first water volume and the second water volume, a stationary basis extending across said opening, and a mobile port arrangement comprising a hull delimiting an inner tank.
  • the embanking arrangement is configured to take a closed state by letting water flowing into the inner tank of the port arrangement such that the buoyancy of the port arrangement is decreased and the port arrangement sinks towards the stationary basis, preventing free passage between the first water volume and the second water volume in the closed state, and is configured to take an open state allowing free passage between the first water volume and the second water volume, wherein the inner tank of the port arrangement is at least partly filled with water and the hull of the port arrangement is located standing on said basis when the embanking arrangement is in the closed state, and wherein the port arrangement is located at a distance from said basis when the embanking arrangement is in the open state by restoring the buoyancy of the port arrangement by pumping out water from the inner tank of the port arrangement.
  • WO 03/057995 it is known to use a long and narrow ship-like port arrangement in embanking arrangements, wherein the ship-like port arrangement can be lowered at an opening in the barrier connected to land by being filled with water.
  • the ship-like port arrangement in said document comprises several mutually separated sections, wherein each section can be filled with water from the water volume/area facing the specific section and thereto be emptied from water to the same water volume/area facing the specific section.
  • the present invention aims at obviating the aforementioned disadvantages and failings of previously known embanking arrangements, and at providing an improved embanking arrangement.
  • a primary object of the present invention is to provide an improved embanking arrangement of the initially defined type, which is a simple and cheap way to protect the area that is threatened to become flooded due to rising water level in the second water volume.
  • an embanking arrangement of the initially defined type which is characterized in that the port arrangement comprises at least a first opening in the hull, said first opening connecting the inner tank of the port arrangement and the side of the port arrangement facing the first water volume, said first opening comprising a controllable valve that in open state allows fluid communication through said first opening, and at least one pump, said pump being arranged in connection to the side of the port arrangement facing the second water volume and being configured to transport water from the first water volume to the second water volume.
  • the present invention is based on the insight that the embanking arrangement can solve far more problems than previous attempted solutions and thereto solves the problems the known attempted solutions create, by allowing to transport water from the protected water volume to the outside water volume despite the water level in the protected water volume is lower than the water level in the outside water volume.
  • the port arrangement comprises at least one channel, said channel extending from the side of the port arrangement facing the first water volume to the side of the port arrangement facing the second water volume, and said at least one pump being arranged in said channel.
  • said pump is configured to transport water from the first water volume to the second water volume via the inner tank of the port arrangement and via the first opening of the hull.
  • FIG. 1 is a schematic illustration of a harbor entrance wherein the embanking arrangement is in the open state and the port arrangement is located next to the opening in the barrier connected to land, i.e. allowing free passage,
  • FIG. 2 is a schematic illustration of the harbor entrance according to FIG. 1 , wherein the water from the harbor, usually river water, flows into the sea,
  • FIG. 3 is a schematic illustration of the harbor entrance according to FIG. 1 , wherein the sea level rises and the sea water flows into the harbor,
  • FIG. 4 is a schematic illustration of the harbor entrance according to FIG. 1 , wherein the embanking arrangement is in the closed state and the port arrangement is located across the opening in the barrier connected to land, i.e. preventing free passage,
  • FIG. 5 is a schematic cross section of the port arrangement and the barrier connected to land taken along A in FIG. 2 ,
  • FIG. 6 is a schematic cross section of the port arrangement and the barrier connected to land taken along B in FIG. 2 ,
  • FIG. 7 is a schematic cross section of the port arrangement and the opening of the barrier connected to land taken along C in FIG. 4 , wherein the port arrangement is standing on the basis,
  • FIG. 8 is a schematic cross section of the port arrangement and the opening of the barrier connected to land taken along C in FIG. 4 , wherein the port arrangement is floating, i.e. at a distance from the basis,
  • FIG. 9 is a schematic cross section of the port arrangement and the opening of the barrier connected to land taken along C in FIG. 4 , wherein lowering of the port arrangement is in progress,
  • FIG. 10 is a schematic cross section of the port arrangement and the opening of the barrier connected to land taken along C in FIG. 4 , wherein the port arrangement is standing on the basis and water is transported from the first water volume to the second water volume, and
  • FIG. 11 is a schematic cross section of the port arrangement according to an alternative embodiment and the opening of the barrier connected to land taken along C in FIG. 4 , wherein the port arrangement is standing on the basis and water is transported from the first water volume to the second water volume.
  • the present invention relates in general to an embanking arrangement configured to protect an area that is threatened to be flooded during storms or during other temporary water level rises at sea, rivers and lakes.
  • the inventive embanking arrangement is configured to separate and protect a first water volume 5 from a second water volume 6 .
  • the first water volume 5 is the water area/harbor that shall be protected from too big water level rises
  • the second water volume is the water area/sea wherein the water level rises uncontrollably.
  • the embanking arrangement comprises a barrier 4 connected to land/shore and having an opening 3 .
  • the barrier 4 connected to land also known as embankment, is preferably stationary and is preferably constituted by a concrete structure.
  • the opening 3 in the barrier 4 connected to land allows fluid communication and passage of sea traffic between the first water volume 5 and the second water volume 6 .
  • the embanking arrangement also comprises a stationary basis 2 extending across said opening 3 , in other words the stationary basis 2 connects the two halves of the barrier 4 connected to land.
  • the basis 2 is preferably a concrete structure, by can also be constituted by a natural sea/river bed prepared with natural material/stones, or a frame work of metal beams lowered into the sea bed or lake bed, wherein the upper surface of the frame work has the same geometrical shape as the lower side of the hull, or a combination thereof.
  • the basis 2 shall be mainly plane and horizontal.
  • the inventive embanking arrangement comprises a mobile port arrangement 1 , in FIGS. 1-3 located/moored adjacent to or at a distance from the opening 3 .
  • the mobile port arrangement 1 comprises a hull delimiting an inner tank, which in an empty state comprises air and which in a filled state comprises water.
  • the port arrangement 1 is in the disclosed embodiments constituted by a ship-like craft.
  • the embanking arrangement is configured to take a closed state, as is shown in FIGS. 4 and 6-7 , wherein free passage and fluid communication between the first water volume 5 and the second water volume 6 is blocked, and an open state, as is shown in FIGS. 2 and 5 , wherein at least fluid communication between the first water volume 5 and the second water volume 6 is allowed.
  • the embanking arrangement is in the closed state the inner tank of the port arrangement 1 is at least partly filled with water and the hull of the port arrangement is located standing on said basis 2 , whereupon the port arrangement 1 prevents fluid communication between the first water volume 5 and the second water volume 6 .
  • the port arrangement 1 When the embanking arrangement is in the open state the port arrangement 1 is located at a distance from the basis 2 , preferably beside the opening 3 , and fluid communication between the first water volume 5 and the second water volume 6 is allowed. When the port arrangement 1 is located beside the opening 3 free passage of sea traffic is allowed. The port arrangement 1 may also be located at another place when the embanking arrangement is in the open state.
  • the port arrangement 1 can be arranged in a lowered state also when the port arrangement 1 is located beside the opening 3 in the barrier 4 connected to land.
  • FIG. 8 disclose the port arrangement 1 , located across the opening 3 in the barrier 4 connected to land between the protected first water volume 5 and the outer second water volume 6 , but still in a floating (not filled with water) state. In other words free passage of sea traffic is prevented through the opening 3 at the same time as fluid communication through the opening 3 is allowed.
  • the port arrangement 1 is still not in contact with the basis/bed 2 .
  • FIG. 9 disclose the port arrangement 1 in the same position as in FIG. 8 , but the lowering has been started by having at least one first opening 7 in the hull opened in order to let in water into the inner tank of the port arrangement 1 .
  • the first opening 7 connects the inner tank of the port arrangement 1 and the side of the port arrangement 1 facing the first water volume 5 , said first opening 7 comprising a controllable valve (gate) that in open state allows fluid communication through said first opening 7 .
  • the first opening 7 shall be located as far down as possible.
  • the port arrangement 1 comprises several first openings 7 .
  • the first opening 7 may remain open, whereupon the water level in the inner tank is the same as the water level in the first water volume 5 .
  • the first opening 7 is closed when a suitable amount of water is brought into the inner tank, and thereby a predetermined pressure result between the port arrangement 1 and the basis 2 .
  • FIG. 9 also at least one second opening 7 ′ in the hull of the port arrangement 1 is opened in order to speed up the lowering of the port arrangement 1 .
  • the second opening 7 ′ is optional.
  • the second opening 7 ′ connects the inner tank of the port arrangement 1 and the side of the port arrangement 1 facing the second water volume 6 , said second opening 7 ′ comprising a controllable valve (gate) that in open state allows fluid communication through said second opening 7 ′.
  • the second opening 7 ′ shall be located as far down as possible.
  • the port arrangement 1 comprises several second openings 7 ′. When the port arrangement 1 comes in contact with and is standing on the basis 2 the second opening 7 ′ is closed.
  • FIGS. 10 and 11 disclose the port arrangement 1 in the same position as in FIGS. 8 and 9 , but now at least partly filled with water and in lowered position.
  • the port arrangement is now standing on the basis 2 as well as in contact with the barrier 4 connected to land, implying that the water flow from the second water volume 6 to the protected first water volume 5 is blocked.
  • the first opening 7 in the hull is still open, while the second opening 7 ′ in the hull is closed.
  • the inventive port arrangement 1 comprises further at least one pump 8 , said pump 8 being arranged in connection with the side of the port arrangement 1 facing the second water volume 6 and being configured to transport water from the first water volume 5 to the second water volume 6 .
  • the port arrangement 1 comprises at least one channel 9 , said channel 9 extending from the side of the port arrangement 1 facing the first water volume 5 to the side of the port arrangement 1 facing the second water volume 6 , and said at least one pump 8 being arranged in said channel 9 .
  • said at least one channel 9 comprises at least a first controllable valve 10 (gate) configured to prevent a flow of water in the direction from the second water volume 6 to the first water volume 5 .
  • the first controllable valve 10 is in the disclosed embodiment located at the side of the port arrangement 1 facing the second water volume 6 .
  • the channel 9 comprises also a second controllable valve 10 ′ (gate) that in the disclosed embodiment is located at the side of the port arrangement facing the first water volume 5 .
  • the channel 9 more precisely the first controllable valve 10 and the second controllable valve 10 ′, are closed in FIGS. 8 and 9 .
  • the channel 9 is open, more precisely the first controllable valve 10 and the second controllable valve 10 ′ are open and the pump 8 pumps/transports water through the channel 9 from the first water volume 5 to the second water volume 6 .
  • the water level in the first water volume 5 shall not rise due to inflow from rivers and rain that otherwise will cause flooding despite the water level in the first water volume 5 is lower than the water level in the second water volume 6 .
  • the area of the first water volume 5 is small in relation to the amount of fresh water that inflows from rivers and rain, the seaport risks to be flooded if the barrier is closed.
  • said pump 8 is configured to transport water from the first water volume 5 to the second water volume 6 via the inner tank of the port arrangement 1 and via the first opening 7 of the hull.
  • the channel 9 according to FIG. 10 can be spared.
  • a first controllable valve 10 (gate), preventing a flow of water from the second water volume 6 to the inner tank of the port arrangement 1 when the pump 8 is not active, must be present.
  • the habor entrance is also exposed to tide the situation may occur that during low tide the water level in the second water volume/sea 6 during a few hours, despite higher than normal, still is lower than the water level in the protected first water volume 5 . Then the water level in the first water volume 5 can be maintained or the water level in the first water volume 5 can be lowered by for instance having the first opening 7 and the second opening 7 ′, that are used during the original filling with water, temporarily opened in order to increase the outflow capacity from the first water volume 5 to the second water volume 6 .
  • the filling of the port arrangement 1 with water takes place in a simple and quick way by opening big gates ( 7 , 7 ′) in the hull and letting sea water flowing into the inner tank of the port arrangement 1 .
  • the port arrangement 1 sinks and the preferably plane bottom of the port arrangement 1 is placed on the preferably plane basis 2 that has been provided under the opening 3 in the permanent embankment/barrier 4 .
  • the weight of the port arrangement 1 in combination with the decreased buoyancy that the water in the inner tank entails, provides a necessary weight against the basis 2 such that the frictional force makes it possible for the port arrangement 1 to remain standing when it is exposed to transversal loads from both the increased water level in the second water volume 6 and from waves and wind.
  • the port arrangement 1 is moored to the barrier 4 connected to land.
  • the frictional force can be increased further by decreasing the water pressure between the bottom/lower side of the port arrangement 1 and the basis 2 .
  • the water pressure is decreased by decreasing the contact area between the port arrangement 1 and the basis 2 , for instance by providing the lower side of the port arrangement 1 and/or the basis 2 with means configured for draining away water from the first water volume 5 leaking under the port arrangement.
  • this is accomplished by means of transversal grooves in either the lower side of the port arrangement 1 or the basis 2 .
  • said pump 8 is also configures for propelling and/or maneuvering of the port arrangement 1 when the inner tank of the port arrangement 1 is empty.
  • the port arrangement 1 comprises several pumps 8
  • one or more of these pumps 8 must also be able to pump water out of the port arrangement 1 when the case of danger is over and/or when the water level in the second water volume 6 has sunk to normal levels, in order to get the port arrangement 1 floating again.
  • the water being pumped out of the inner tank of the port arrangement 1 either in order to increase the buoyancy of the port arrangement 1 or in order to evacuate water from the first water volume 5 to the second water volume 6 , not necessarily needs to be transported through the mid-section of the port arrangement 1 , perpendicular to its longitudinal direction.
  • the water can also be pumped out of or next to the fore or stern of the port arrangement 1 .
  • Pumps 8 directing the flow of water in the longitudinal direction of the port arrangement 1 can also be used for propelling the port arrangement 1 in the forward or backward direction, as well as for steering and maneuvering.
  • the advantage of using a ship-like port arrangement 1 as embankment is not only the fact that it can transport itself to the location where it shall be lowered, but also that it can be configured for other purposes the considerably longer time it does not serve as an embanking device.
  • the port arrangement 1 can, also at another location, serve as a car park, restaurant, car ferry, floating bridge, etc., opening up for new funding opportunities and a better total economy.
  • the centrally located land is expensive, and a port arrangement 1 moored to the dock in the middle of the town can provide additional valuable square meters.
  • a 150 meters long and 25 meters wide hull may for instance serve as a car park having about 300 parking places.
  • the income from such business may be crucial way to improve the total economy of the embanking project.
  • the port arrangement 1 must in such cases comprise storage space above the inner tank, said storage space being configured to be connected to the dock or the barrier 4 connected to land by means of temporary gangways.
  • the storage space of the port arrangement 1 may on ordinary days be used as warehouse for various materials, or as a car ferry, or a floating bridge. The only requirement is that it in a relatively short notice (less than 24 hours) can be made ready for its main function as embanking device, be moved to the location of service and be activated by being filled with water.
  • the port arrangement 1 could also be used such other purposes also when it is located at the barrier 4 connected to land. Such a use is at least as temporary road connection, by having a roadway applied to the barrier 4 connected to land and temporarily connected to the deck or storage space of the port arrangement 1 via temporary gangways.
  • the road connection can be used both when the port arrangement 1 is in the lowered state and in the floating state.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Revetment (AREA)
  • Barrages (AREA)
US16/488,430 2017-02-25 2018-02-20 Embanking arrangement Abandoned US20200048852A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1730046-8 2017-02-25
SE1730046A SE541900C2 (sv) 2017-02-25 2017-02-25 Fördämningsarrangemang
PCT/SE2018/050162 WO2018156070A1 (en) 2017-02-25 2018-02-20 Embanking arrangement

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US20200048852A1 true US20200048852A1 (en) 2020-02-13

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Application Number Title Priority Date Filing Date
US16/488,430 Abandoned US20200048852A1 (en) 2017-02-25 2018-02-20 Embanking arrangement

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US (1) US20200048852A1 (de)
EP (1) EP3585947A4 (de)
SE (1) SE541900C2 (de)
WO (1) WO2018156070A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE542802C2 (en) * 2018-11-22 2020-07-07 Noaq Flood Prot Ab Protective barrier segment for a temporary liquid-damming protective barrier as well as protective barrier comprising such a protective barrier segment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003057995A1 (en) * 2002-01-09 2003-07-17 Antonio Ieno Device for a total, or partial, operating barrier for a channel and its installation
JP2004052286A (ja) * 2002-07-17 2004-02-19 Mitsubishi Heavy Ind Ltd 堰、及び、堰の建設方法
US8740500B2 (en) * 2011-09-01 2014-06-03 Dale A. Conway Pumping system for use on a moveable flood control barrier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377810A (en) * 1966-02-09 1968-04-16 Ernest W. Crumley Pumping apparatus for drydock and caisson
BE759279A (fr) * 1969-11-21 1971-04-30 Lukawsky Michael Procede et appareil pour le controle des crues
FR2299461A1 (fr) * 1975-01-31 1976-08-27 Marseille Grands Travaux Barrage hydraulique amovible
DE2716073C2 (de) * 1977-04-09 1984-05-30 Blohm + Voss Ag, 2000 Hamburg Einschwimmbares Wehr zur Absperrung von Kanälen od.dgl.
DE3714248A1 (de) * 1987-04-29 1988-11-17 George Paraskevopoulos Hochflutsperrwerk
JP2003129454A (ja) * 2001-10-30 2003-05-08 Ishikawajima Harima Heavy Ind Co Ltd フローティングゲート

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003057995A1 (en) * 2002-01-09 2003-07-17 Antonio Ieno Device for a total, or partial, operating barrier for a channel and its installation
JP2004052286A (ja) * 2002-07-17 2004-02-19 Mitsubishi Heavy Ind Ltd 堰、及び、堰の建設方法
US8740500B2 (en) * 2011-09-01 2014-06-03 Dale A. Conway Pumping system for use on a moveable flood control barrier

Also Published As

Publication number Publication date
WO2018156070A1 (en) 2018-08-30
EP3585947A1 (de) 2020-01-01
SE541900C2 (sv) 2020-01-02
EP3585947A4 (de) 2020-12-30
SE1730046A1 (sv) 2018-08-26

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