EP2315880A1 - Self closing flood barrier and method for protecting a hinterland using same - Google Patents
Self closing flood barrier and method for protecting a hinterland using sameInfo
- Publication number
- EP2315880A1 EP2315880A1 EP20090746799 EP09746799A EP2315880A1 EP 2315880 A1 EP2315880 A1 EP 2315880A1 EP 20090746799 EP20090746799 EP 20090746799 EP 09746799 A EP09746799 A EP 09746799A EP 2315880 A1 EP2315880 A1 EP 2315880A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flood barrier
- chamber
- self closing
- side wall
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 238000006424 Flood reaction Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000284 resting effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- E02B3/102—Permanently installed raisable dykes
- E02B3/104—Permanently installed raisable dykes with self-activating means
-
- 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
- E02B7/205—Barrages controlled by the variations of the water level; automatically functioning barrages
-
- 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
- E02B7/26—Vertical-lift 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
- E02B7/50—Floating gates
Definitions
- the invention relates to a self closing flood barrier and a method for protecting a hinterland against floods by means of such a self closing flood barrier.
- Self closing flood barriers are known in which a dam wall is forced upwards out of a chamber whenever the chamber fills up with water.
- a flood barrier may be installed in for example a dike at a river side.
- the flood barrier automatically rises in the event of a flood, thereby protecting the hinterland.
- moveable flood barriers also referred to as moveable dams, offer the advantage that they constitute a dam only then when it is really necessary. In a normal situation, the dam is underground and invisible for the environment.
- a moveable dam may comprise a vertical retaining wall which at its lowest side provided with a buoyant body housed in the chamber.
- the buoyant body forces the retaining wall out of the chamber through an opening at the top of the chamber.
- the buoyant body may also function as a blocking element in order to limit the upward movement of the retaining wall. In that case the buoyant body will be thicker than the upper opening of the chamber and is thereby prohibited to leave the chamber.
- Publication EP 1950352 A2 discloses a flood barrier having a rectangular support block at one side of the chamber mounted to one of the chamber walls.
- a buoyant body comprises a slightly inclined, nearly vertical, side surface which will result in the dam wall moving to the hinterland side of the flood barrier in case of flooding.
- the buoyant body further comprises an extension at the bottom which abuts to the bottom of the rectangular support block in case of flooding. Due to the specific structure of the flood barrier, the retaining wall and the buoyant body will act as a lever wherein the water pressing against the water side of the retaining wall will try to tilt the floatable part.
- the maximum pressure between the floatable part and the chamber occurs near the top of the chamber at the hinterland side, and between the support block and the buoyant body at the water side.
- a contact surface is very small.
- the flood barrier will be unstable in case of variable water pressure at the top of the retaining wall due to waves.
- the contact surfaces are subject to wear due to high and variable pressures.
- a self closing flood barrier for protecting a hinterland against floods comprising :
- - a chamber comprising a first side wall and a second side wall; - a water inlet for letting in water;
- dam wall member up and down movably arranged in said chamber, the dam wall member comprising: - a retaining wall for avoiding water to flow to the hinterland;
- a forcing element for causing an upward movement of the dam wall member
- a blocking element for providing a blockade for limiting said upward movement
- said blocking element comprising an inclined surface
- said support block comprises an inclined surface against which said inclined surface of said blocking element acts in a closed state of said flood barrier .
- the dam wall member In case water enters the chamber, the dam wall member will rise so that eventually the inclined surface of the blocking element is forced against the inclined surface of the support block. This will result in a sideward movement until the dam wall member abuts against the second side wall of the chamber. In the closed state, the dam wall member has two contact surfaces, which results in reduced pressures as compared to the barrier of the state of the art. This will result in less wear and more stability of the total barrier.
- the dam wall member By using only one support block, the dam wall member will be forced against the hinterland side wall resulting in an improved sealing of the dam wall member. Also the usage of only one support block is cheaper than having two support blocks. Furthermore, the usage of one support block will be favourable when having to maintain or repair the flood barrier.
- the dam wall member comprises a substantially flat surface facing said second side wall for abutment against said second side wall. The flat surface is favourable because it makes the closed barrier more stable.
- the flood barrier comprises a sealing member arranged on said substantially flat surface near a lower outer end of said dam wall member to avoid said water from flowing between said dam wall member and said second side wall.
- Such a sealing member will improve sealing of the flood barrier and thereby preventing water from the water side flowing to the hinterland side through the flood barrier in case of a flood. Besides, a reduced water pressure at the second side of the wall member is realised and no tilting of the dam wall member occurs which would otherwise move away the dam wall member from the chamber wall at its lower portion.
- the sealing member comprises rubber or the like.
- the inclined surface of support block and said inclined surface of said blocking element make, at least in use, an angle with the vertical, said angle having a value between 30°-60°, and preferably equal to about 45°.
- the support block is removably arranged on said first side wall.
- the support block may comprise a bottom which is connectable to said first side wall of said chamber by way of connecting means.
- the support block may further comprise a lockable entrance which provides access to the connecting means. In this way a maintenance team can have access to the connecting means in a very simple and effective way. The entrance can be opened after which one can disconnect the connecting means and can remove the support block.
- the inclined surface of blocking element transfers to a less or non-inclined surface which is, at least in said closed state, distant from said first side wall of said chamber. In this way clamping of the dam wall member is minimized.
- the blocking element, the forcing element and said retaining wall are one integrated part. This results in easy manufacturing and assembly.
- the chamber of the self closing flood barrier may be arranged to be installed under the ground or partly under the ground, depending on the purpose. In an embodiment the chamber is substantially arranged under the ground and connected through a water inlet/outlet with a service pit.
- the flood barrier comprises a lid for closing an opening of said chamber, wherein said lid is fixed to an upper outer end off said dam wall member.
- This lid may also function as an additional extension of the flood barrier in case of a flood because it will prevent waves from creeping over the outer top edge of the dam wall member.
- the lid will function as a breakwater.
- FIG. 1 shows an embodiment of a flood barrier according to the invention in a resting state
- FIG. 2 shows the embodiment of Figure 1 in a closed state.
- FIG. 3 schematically shows a cross section the chamber according to an embodiment
- FIG. 4 shows an embodiment in which the flood barrier comprises two ground load plates mounted on top of the side wall.
- FIG 1 shows an embodiment of a flood barrier according to the invention as applied in a dike 1.
- Figure 1 shows the flood barrier in a resting state in which nearby water such as a river 10 has a normal water level.
- the flood barrier comprises a chamber 3 having a water side wall 20 and a hinterland side wall 21.
- the chamber 3 also comprises a bottom 22 which connects the two sidewalls 20, 21 respectively.
- the walls 20, 21 may be constructed out of sheet steel or any other suitable construction known to the skilled person, such as concrete.
- a retaining wall 4 is present which is supported at its lowest side by a buoyant body 5.
- the retaining wall 4 comprises polyester. This material reinforcement may be filled with foam as a sandwich construction and is very strong and also very light.
- the flood barrier also comprises a lid 6 fixed to the top of the retaining wall 4.
- the retaining wall 4 together with the buoyant body 5 is also referred to as dam wall member.
- the buoyant body 5 consists of two, preferably integrated, parts 5a, 5b and actually functions as both a forcing element for causing an upward movement of the dam wall member, and as a blocking element for limiting the upward movement.
- the flood barrier may comprise a support block 7 removably connected to the water side wall 20 by means of a connecting means 15.
- the connecting means comprise bolds 15.
- the support block 7 comprises an entrance 14 which is closed by way of a cover 23.
- the position at which the support block 7 is mounted to the side wall 20 is adjustable. In this way, the opening of the chamber 3 can be adjusted to a desired dimension.
- the flood barrier further comprises a service pit 9 which is connected to the chamber 3 by way of a water inlet/outlet 24.
- the water inlet 24 is connected to a vertical pipe 12 in the service pit.
- the water inlet/outlet 24 comprises a valve 13 that is opened in a case the chamber 3 is emptied. In that situation the water inlet/outlet functions as a water outlet 24.
- the service pit 9 is connected through a channel 11 to the water side of the dike 1 as shown in figure 1.
- the flood barrier is practically invisible under normal water level conditions. On top, the lid 6 locks in the entrenchment space under normal conditions.
- FIG 2 shows the self closing flood barrier of Figure 1 in a flood situation wherein a flood is present resulting in a high water level of the river 10.
- the pipe and the water inlet 24 fill with water resulting in a water stream towards the chamber 3.
- the water in chamber 3 will force the retaining wall 4 to move up because the retaining wall 4 together with the buoyant body 5 are floatable on water.
- the dam wall member will move upwards until the buoyant body 5 is forced at its upper side against the angled wall 17 of the support block 7. This will not only limit the upward movement of the dam wall 4 but will also force the dam wall 4 against the hinterland side wall 21 of chamber 3.
- a closing seal 8 will lock the barrier waterproof. Now the water can rise further without flooding the protected area, i.e. the hinterland.
- the flood barrier functions completely automatically without the need for controlled water inlet.
- the service pit 9 also acts as a kind of water filter. Dirt and mud coming from the river side will deposit at the bottom of the service pit and will not reach the chamber 3.
- the sealing member 8 is arranged on or at the flat side of the dam wall member, and preferable at the lower end of the dam wall member.
- Figure 2 it can be seen that the sealing member 8 seals off the space between the dam wall member and the hinterland side wall 21.
- the pressure between the hinterland side wall 21 and the dam wall member 4,5 is far less than the pressure between the water side wall 20 and the dam wall member 4,5.
- This pressure difference will result in a force that prevents a lever mechanism as mentioned in EP 1950352 A2.
- the chamber 3 is drained through outlet 24 with one way check valves 13 or by means of a pump (not shown) .
- the lid 6 is arranged to support traffic and may be part of a road surface, or a pavement.
- Typical values for the height of the retaining wall 4 are 50 cm, 100 cm, 150 cm, 200 cm or 250 cm. However higher flood barriers are possible.
- the flood barrier comprises one or more seals 26,27, see Figure 2, for preventing dirt or waste, like waif wood, from flowing into the chamber at the upper entrance when the water level is falling.
- FIG. 3 schematically shows a cross section the chamber according to an embodiment.
- the support block 7 is mounted at the inner side of the chamber wall 20.
- the inclined surface 17 of the support block 7 has an angle ⁇ with the vertical, which is preferably between 30-60°, and more preferably about 45°.
- Preferably the same angle ⁇ is used for the inclination of the surface 16 on the buoyant body 5.
- FIG 4 shows an embodiment in which the flood barrier comprises two ground load plates 41,42 mounted on top of the side wall 20,21. These plates will reduce the pressure at the outside of the chamber walls so that the risk of the deformation of the chamber is decreased. Particular in situations wherein heavy traffic passes across the flood barrier, the plates 41,42 will be advantageous . While specific embodiments of the invention have been described above, it will be appreciated that the invention may be practiced otherwise than as described. For example, the invention may also be used to provide a door for a garage or for closing/protecting any other entrance of a building. It may even be conceivable to provide water basins the walls of which are formed by the flood barrier described above.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09746799T PL2315880T3 (en) | 2008-05-13 | 2009-04-02 | Self closing flood barrier and method for protecting a hinterland using same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1035415 | 2008-05-13 | ||
PCT/NL2009/050170 WO2009139622A1 (en) | 2008-05-13 | 2009-04-02 | Self closing flood barrier and method for protecting a hinterland using same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2315880A1 true EP2315880A1 (en) | 2011-05-04 |
EP2315880B1 EP2315880B1 (en) | 2015-12-16 |
Family
ID=40030192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09746799.7A Active EP2315880B1 (en) | 2008-05-13 | 2009-04-02 | Self closing flood barrier and method for protecting a hinterland using same |
Country Status (11)
Country | Link |
---|---|
US (1) | US20110110722A1 (en) |
EP (1) | EP2315880B1 (en) |
JP (1) | JP5702276B2 (en) |
CN (1) | CN102099530B (en) |
AU (1) | AU2009247029A1 (en) |
DK (1) | DK2315880T3 (en) |
ES (1) | ES2565220T3 (en) |
MX (1) | MX341123B (en) |
NL (1) | NL1035546C2 (en) |
PL (1) | PL2315880T3 (en) |
WO (1) | WO2009139622A1 (en) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1397451B1 (en) * | 2009-12-29 | 2013-01-10 | Techne Grado Studio Associato Di Ingegneria E Geol | ANTI-FLOODING DEVICE |
ITBS20100143A1 (en) * | 2010-08-23 | 2012-02-24 | Dario Palestro | ANTI-LAYERING BARRIER FOR PROTECTION OF BUILDING OPENINGS |
JP4773577B1 (en) * | 2010-10-08 | 2011-09-14 | 秀樹 藤田 | Water shielding device |
FR2971272A1 (en) * | 2011-02-09 | 2012-08-10 | Mariano Val | Dike element for use in constructing device to construct retractable dike in ground, has curtain mounted slidingly and vertically between webs of saddle between bottom position and top position |
JP5875911B2 (en) * | 2012-03-19 | 2016-03-02 | 丸島産業株式会社 | Floating tide gate for dike |
CN103215928B (en) * | 2013-04-24 | 2015-10-21 | 南京蓝昇船舶修造有限公司 | Resistance tide lock door |
GB2517726B (en) * | 2013-08-29 | 2016-02-03 | Hesco Bastion Ltd | Flood defence barrier |
JP6187217B2 (en) * | 2013-12-10 | 2017-08-30 | 豊和工業株式会社 | Waterproof door device |
AU2015218181B2 (en) * | 2014-02-11 | 2016-07-28 | Scott Roy | Hydrostatic fluid containment system |
GB201402555D0 (en) * | 2014-02-13 | 2014-04-02 | Bluewater Design Associates Ltd | Self-activating flood protection barrier |
CN104182634B (en) * | 2014-08-21 | 2015-07-22 | 华中科技大学 | Cascade hydropower station combined operation water level control section optimization method |
GB2533948B (en) * | 2015-01-08 | 2019-06-12 | Fluds Ltd | Flood defence apparatus and method |
WO2016131002A1 (en) | 2015-02-12 | 2016-08-18 | Rsa Protective Technologies, Llc | Method and system for a rising floodwall system |
JP6441464B2 (en) * | 2015-04-06 | 2018-12-19 | 株式会社東芝 | Disaster prevention system |
US10975538B2 (en) * | 2016-06-13 | 2021-04-13 | Rsa Protective Technologies, Llc | Method and system for a retractable floodwall system |
BR112018075818B1 (en) | 2016-06-13 | 2023-02-14 | Rsa Protective Technologies, Llc | RETRACTABLE AND ENTRY FLOOD WALL UNIT AND FLOOD SHELTER |
NL2017335B1 (en) * | 2016-08-18 | 2018-03-01 | Van Den Noort Innovations B V | Breakwater, barrier assembly, flood defense system and working method |
JP6629457B2 (en) * | 2016-08-22 | 2020-01-15 | 溥 寺田 | Floodgate |
CN106149644A (en) * | 2016-08-26 | 2016-11-23 | 浙江水利水电学院 | Overfall dam Non-energy-consumption gate hoist |
JP6768611B2 (en) * | 2017-01-25 | 2020-10-14 | 泰士 高木 | Seawall |
KR102136211B1 (en) * | 2018-07-31 | 2020-07-21 | 한국해양과학기술원 | Movable-type Cap-concrete Structure |
CN109440901B (en) * | 2018-11-12 | 2020-11-20 | 东阳市中晟建筑工程有限公司 | Waterproof device for underground garage entrance |
CN110285033B (en) * | 2019-06-29 | 2020-11-24 | 日照市东港区水务集团有限公司 | Dykes and dams prevent drowned protection device |
US11313097B2 (en) * | 2020-04-15 | 2022-04-26 | George Mason University | Dynamically deployable low-visibility pneumatic cofferdam system, method and apparatus |
CN111501654A (en) * | 2020-04-15 | 2020-08-07 | 三峡大学 | Flood bank device based on water level self-adjustment and operation method thereof |
CN111549736A (en) * | 2020-05-19 | 2020-08-18 | 嘉兴花汇红园林有限公司 | Hidden and anti-overflow vegetable planting is with irrigating auxiliary device |
BE1028419B1 (en) | 2020-06-22 | 2022-02-01 | Floodsolutions | Self-closing weir |
US11306530B1 (en) * | 2020-09-24 | 2022-04-19 | Karl Krause | Garage floor barricade and associated methods |
CN112726501A (en) * | 2020-12-31 | 2021-04-30 | 吴小龙 | Self-lifting flood control device |
US11697913B2 (en) * | 2021-01-08 | 2023-07-11 | Robert L. Horner | Water flow control device |
CN113152371B (en) * | 2021-04-23 | 2022-12-27 | 四川鑫博大园林工程有限公司 | Hydraulic engineering vertical water stop structure and construction method thereof |
CN113931282B (en) * | 2021-11-25 | 2023-08-18 | 陈豪 | Groundwater level early warning and waterlogging prevention facility |
CN114737657A (en) * | 2022-05-13 | 2022-07-12 | 南昌航空大学 | Automatic waterproof system of underground garage |
CN115075188A (en) * | 2022-06-23 | 2022-09-20 | 河南科技大学 | Rain-proof water pours into mechanism suitable for subway station entry |
CN115198694B (en) * | 2022-07-22 | 2024-01-30 | 江苏省洪泽湖堤防管理所 | Be applicable to water conservancy and hydropower dyke and increase structure |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0726364A1 (en) | 1995-02-09 | 1996-08-14 | Van den Noort, Johann Heinrich Reindert | Movable dam |
GB2369387A (en) | 2000-08-10 | 2002-05-29 | Ivan Philipov | Buoyant automatic flood barrier |
FR2846014A1 (en) | 2002-10-17 | 2004-04-23 | Pgb 3M | Flood protection barrier for installation near water comprises under ground hollow modules that deploy vertical panels when water level rises |
EP2354326A1 (en) | 2009-12-29 | 2011-08-10 | Techne Grado Studio Associato di Ingegneria Geologia | Anti-flooding device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6149013A (en) * | 1984-08-14 | 1986-03-10 | Nishida Tekko Kk | Floating box type tide gate |
NL9201601A (en) * | 1992-09-16 | 1994-04-18 | Andreas Schmidt Apol | Device for protecting against high water |
CN2193380Y (en) * | 1993-12-07 | 1995-03-29 | 程良华 | Self-control flood discharge and sand removal gate |
JPH08284139A (en) * | 1995-04-10 | 1996-10-29 | Nippon Steel Corp | Automatic lifting-lowering type levee body |
JP3532462B2 (en) * | 1999-06-04 | 2004-05-31 | 勉 小田原 | Buoyancy floor water stop device |
JP2007126945A (en) * | 2005-11-07 | 2007-05-24 | Kobe Steel Ltd | Movable wall type dam body |
EP1950352A3 (en) * | 2007-01-24 | 2013-07-03 | Rhomberg Bau GmbH | Flood protection system |
-
2008
- 2008-06-06 NL NL1035546A patent/NL1035546C2/en not_active IP Right Cessation
-
2009
- 2009-04-02 CN CN200980120531.1A patent/CN102099530B/en active Active
- 2009-04-02 JP JP2011509425A patent/JP5702276B2/en active Active
- 2009-04-02 DK DK09746799.7T patent/DK2315880T3/en active
- 2009-04-02 US US12/992,686 patent/US20110110722A1/en not_active Abandoned
- 2009-04-02 EP EP09746799.7A patent/EP2315880B1/en active Active
- 2009-04-02 WO PCT/NL2009/050170 patent/WO2009139622A1/en active Application Filing
- 2009-04-02 PL PL09746799T patent/PL2315880T3/en unknown
- 2009-04-02 MX MX2010012365A patent/MX341123B/en active IP Right Grant
- 2009-04-02 ES ES09746799.7T patent/ES2565220T3/en active Active
- 2009-04-02 AU AU2009247029A patent/AU2009247029A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0726364A1 (en) | 1995-02-09 | 1996-08-14 | Van den Noort, Johann Heinrich Reindert | Movable dam |
GB2369387A (en) | 2000-08-10 | 2002-05-29 | Ivan Philipov | Buoyant automatic flood barrier |
FR2846014A1 (en) | 2002-10-17 | 2004-04-23 | Pgb 3M | Flood protection barrier for installation near water comprises under ground hollow modules that deploy vertical panels when water level rises |
EP2354326A1 (en) | 2009-12-29 | 2011-08-10 | Techne Grado Studio Associato di Ingegneria Geologia | Anti-flooding device |
Non-Patent Citations (2)
Title |
---|
"Report on Principles and operation of self-closing waterdams", ROBERT BIRD + PARTNERS INTERNATIONAL CONSULTING ENGINEERS, 22 September 2003 (2003-09-22), pages 1 - 35, XP003033401 |
See also references of WO2009139622A1 |
Also Published As
Publication number | Publication date |
---|---|
DK2315880T3 (en) | 2016-03-21 |
CN102099530A (en) | 2011-06-15 |
ES2565220T3 (en) | 2016-04-01 |
US20110110722A1 (en) | 2011-05-12 |
PL2315880T3 (en) | 2016-06-30 |
JP5702276B2 (en) | 2015-04-15 |
CN102099530B (en) | 2015-09-09 |
EP2315880B1 (en) | 2015-12-16 |
JP2011521126A (en) | 2011-07-21 |
MX2010012365A (en) | 2011-05-23 |
WO2009139622A1 (en) | 2009-11-19 |
MX341123B (en) | 2016-08-09 |
AU2009247029A1 (en) | 2009-11-19 |
NL1035546C2 (en) | 2009-11-16 |
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