EP1193348B1 - Eléments modulaires préfabriqués à fixer sur le fond marin ou similaire pour réinstaller la vie aquatique - Google Patents

Eléments modulaires préfabriqués à fixer sur le fond marin ou similaire pour réinstaller la vie aquatique Download PDF

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Publication number
EP1193348B1
EP1193348B1 EP01122905A EP01122905A EP1193348B1 EP 1193348 B1 EP1193348 B1 EP 1193348B1 EP 01122905 A EP01122905 A EP 01122905A EP 01122905 A EP01122905 A EP 01122905A EP 1193348 B1 EP1193348 B1 EP 1193348B1
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EP
European Patent Office
Prior art keywords
modular
elements
structures
cast
fixed
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.)
Expired - Lifetime
Application number
EP01122905A
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German (de)
English (en)
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EP1193348A3 (fr
EP1193348A2 (fr
Inventor
Giorgio Danese
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.)
Danese Giorgio
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TECNOTRE Srl
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Publication date
Application filed by TECNOTRE Srl filed Critical TECNOTRE Srl
Publication of EP1193348A2 publication Critical patent/EP1193348A2/fr
Publication of EP1193348A3 publication Critical patent/EP1193348A3/fr
Application granted granted Critical
Publication of EP1193348B1 publication Critical patent/EP1193348B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E02B3/046—Artificial reefs

Definitions

  • the present invention proposes to use particular modular elements to be cast and fixed in seabeds or the like in order to form artificial structures for the re-formation of aquatic life.
  • the present manufactured articles consist of essentially flat, octagonal elements made of reinforced concrete. These elements are assembled together to obtain structures that are arranged on seabeds or lakebeds in such a way to be statically stable. In this way, it is possible to create an ideal condition for the re-formation of an ecosystem, in particular an underwater ecosystem.
  • the modular elements according to the present invention offers the advantage of a great modularity of employment, there being provided the possibility of carrying out structures of different forms because the modular elements in question can be assembled according to the wished form.
  • the modular element in question presents the main advantage of an easy transport of the components because unlike the components that were usually employed for the same purpose, the present modular elements can be piled up in containers, vans, trucks or ships. In this way, the loading and unloading of the pieces is greatly facilitated and simplified .
  • the prior art offers some solutions for the repopulation of seabeds or lakebeds.
  • the prior art solutions propose to carry out artificial reefs and produce big masses or blocks in reinforced concrete. These masses or blocks show irregular shapes and are provided with openings and holes. They are transported and cast in the sea basin or lake basin. Then, these masses and blocks settle on the seabed or lakebed and create ideal habitats for the reproduction of the various underwater species.
  • pieces of wreckage, car frames and tyres can be used, especially when it is necessary to create artificial underwater diving points.
  • these things involve pollution, environmental upheavals and alterations in the ecosystem.
  • the patent US-A-5173006 reveals an artificial reef structure shaped as a truncated pyramid, assembled on site, comprised of identical panels forming openings at the top and bottom of the artificial reef.
  • These panels are made of fibreglass and they are provided with bracings and brackets in order to connect the panels each other.
  • the aim of the present invention is to eliminate or at least to drasticly reduce the aforesaid problems by producing a series of elements to be cast and fixed in seabeds, lakebeds or the like in order to form artificial structures for the re-formation of underwater life, the peculiarity of which is the modularity because these modular elements can be arranged and assembled in situ in different ways according to the need.
  • a first immediate advantage that can be reached with the present solution is the easiness of storage and trasport of the manufactured article since the modular elements in question are equal and can be piled up.
  • modular elements can be arranged according to various levels so as to build small or middle or great stable, artificial structures in sea or lake areas with little natural indentations and underpopulated as concerns fauna.
  • the present invention offers the possibility of improving the biological complexity of the system so as to obtain a productive substratum that does not pollute like wreckage, car frames or tyres.
  • the modular elements according to the present invention can develop in a short time structures that are biologically different and stable.
  • the present invention offers the advantage that only a few skin-divers, for instance two, are necessary to perform all the loading and unloading operations to and from the boat.
  • the energy to be spent is very scarce if compared with the remarkable results achieved.
  • the structure can be assembled above ground and then, it is laid on the seabed. Otherwise, the elements can be put on the seabed or lakebed and then, they are assembled with very short operations that consist in putting them near each other and fixing each other by means of screws and bolts.
  • modular elements to be cast and fixed in seabeds or the like so as to obtain artificial units for the re-formation of underwater life, characterized by the fact that the modular element is made of reinforced concrete or the like, has an essentially polygonal shape, in particular it is shaped as a perforated octagon, the body of this element being flat and having a certain thickness, the modular element showing shaped openings in its central part, and by the fact that on the edge of the modular element there are provided connecting means for coupling and fixing the modular elements each other by means of screws or the like in order to obtain either simple pyramidal modular structures or more complex modular structures on the seabeds or lakebeds.
  • number 1 denotes one of the modular elements as a whole according to the present invention. These elements are cast and fixed in seabeds, lakebeds or the like in order to obtain artificial structures for the re-formation of underwater life.
  • the modular element 1 is shaped as a perforated octagon, the body of this element being flat and having a certain thickness.
  • the modular element shows shaped openings 2 and one of the sides of the octagon shows bevels 3 for facilitating the coupling of the modular elements.
  • stirrups 4 are provided in the median points of their sides turned outwards. These stirrups are made of steel or another suitable metal. There are also provided holes for the insertion of screws 5.
  • the modular elements are assembled together and are arranged according to an angle of 90 degrees.
  • a base modular structure having an essentially pyramidal three-side shape which is very stable and can be laid on the bottom of a basin.
  • This structure can be utilized alone or associated with other elements so that any wished modular composition can be realized.
  • the aforesaid structure is very stable and the tangential thrusts are always transferred mechanically to the seabed.
  • any current coming on the modular structure periodically or continuously, pushes the structure itself so that it anchors more and more to the bottom.
  • the structure is carried out in such a way as to permit the creation of local washing currents on the outer surface for preventing a sanding up of the modular structure as well as the creation of inner washing currents on the inner surface for favouring an increase of the nutritional substances and the development of sedentary forms of life.
  • microcurrents having a frequency in the range of 2-10 Mhz. especially in the highest modular structures.
  • microcurrents are amplified by a more complex structure and are perceived by the various forms of the underwater life such as fish, shellfish, crustaceans, molluscs, etc. which are attracted by the modular structures so that the area can be repopulated in a short time.
  • the base material for making the modular element in question is concrete.
  • the mechanical small parts for coupling the modular elements are made of stainless steel, which is absolutely unalterable in water or salt water.
  • the utilization of special metals such as chromium, vanadium, tungsten and titanium is avoided because they are reactive metals which modify both the acidity of the surrounding area and the electrolysis paths of the structure and are a biochemical hindrance to the proliferation of the underwater flora and fauna.
  • the modules are assembled three at a time and create a structure which is simple and quick to be built. In addition, it is possible to simply put a second level or a third level of modular elements on the first level of elements.
  • the so-obtained pyramids are extraordinary artificial citadels for the repopulation or development of the underwater habitat.
  • the assembling operation of the modules is very simple and rapid. Two skin-divers can perform all the loading operations on a boat and the laying underwater. The modules can be assembled above ground and then, they are laid underwater. However, it is also possible to lay the single elements on the seabed and assemble them after.
  • the present modular structure permits to build small, middle and big stable artificial structures in sea and lake areas where there are few natural indentations or areas that are underpopulated by the fauna.
  • the utilization of these structures improves the biological complexity of the system.
  • new ecosystems may be created in unusual areas or where it is more convenient or necessary to do so, for instance in diving centers, research institutes and bodies in control of the repopulation of the seabed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Artificial Fish Reefs (AREA)
  • Revetment (AREA)

Claims (5)

  1. Des éléments modulaires préfabriqués à fixer sur le fond marin ou similaire afin d'obtenir des structures artificielles pour réinstaller la vie aquatique, caractérisés en ce que chaque élément modulaire (1) est un élément en béton, a une forme essentiellement polygonale faite pour être accouplée avec d'autres éléments (1), le corps de ces éléments (1) étant plat, chaque élément modulaire présentant des ouvertures (2) dans sa partie centrale et le bord respectif de chaque élément modulaire (1) étant doté de moyens d'accouplement (4) pour accoupler et fixer les éléments modulaires (1) les uns aux autres à l'aide de vis et obtenir ainsi des structures modulaires simples essentiellement pyramidales ou des structures modulaires plus complexes, ladite forme polygonale de l'élément modulaire (1) est une forme octogonale de manière à obtenir lesdites structures pyramidales simples pour la reformation de la vie aquatique en assemblant trois éléments à la fois, lesdites structures pyramidales simples pour la reformation de la vie aquatique, obtenues par l'assemblage de trois éléments à la fois, permettant d'obtenir des structures modulaires plus complexes en ajoutant un deuxième ou un troisième niveau d'éléments modulaires.
  2. Les éléments modulaires préfabriqués à fixer sur le fond marin ou similaire selon la revendication 1, caractérisés en ce qu'au moins un des côtés de l'élément modulaire (1) en forme de polygone comporte des biseaux (3), ledit biseau (3) étant destiné à faciliter l'accouplement des éléments modulaires (1) les uns avec les autres.
  3. Les éléments modulaires préfabriqués à fixer sur le fond marin ou similaire selon la revendication 1, caractérisés en ce que les moyens (4) d'accouplement et de fixation des éléments modulaires (1) les uns aux autres, afin d'obtenir soit des structures modulaires pyramidales simples ou des structures modulaires plus complexes, comprennent des étriers (4) réalisés en acier ou autre matériau approprié, des moyens étant prévus pour l'accouplement avec chaque autre étrier.
  4. Les éléments modulaires préfabriqués à fixer sur le fond marin ou similaire selon la revendication 3, caractérisés en ce que lesdits moyens d'accouplement desdits étriers entre eux comprennent une vis ou similaire qui est introduite dans des trous réalisés dans les étriers (4) eux-mêmes.
  5. Les éléments modulaires préfabriqués à fixer sur le fond marin ou similaire selon la revendication précédente, caractérisés en ce que chaque élément modulaire (1) est réalisé en béton comprenant des éléments naturels tels que du sable lavé et du gravier concassé en évitant l'utilisation de matériau composite, incluant du ciment qui n'a pas été intégré avec des additifs ou fluidifié, la composition du béton ne comprend pas d'agents synthétiques de désarmement pour les opérations de formage, la surface de l'élément modulaire (1) étant ensuite lavée à l'eau salée afin de réduire le pH de ladite surface.
EP01122905A 2000-10-02 2001-09-25 Eléments modulaires préfabriqués à fixer sur le fond marin ou similaire pour réinstaller la vie aquatique Expired - Lifetime EP1193348B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVR000095 2000-10-02
IT2000VR000095A IT1314439B1 (it) 2000-10-02 2000-10-02 Elementi modulari per la ricostruzione della vita acquatica, atti adessere gettati e fissati in fondali marini o simili.

Publications (3)

Publication Number Publication Date
EP1193348A2 EP1193348A2 (fr) 2002-04-03
EP1193348A3 EP1193348A3 (fr) 2003-08-06
EP1193348B1 true EP1193348B1 (fr) 2007-10-03

Family

ID=11461888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01122905A Expired - Lifetime EP1193348B1 (fr) 2000-10-02 2001-09-25 Eléments modulaires préfabriqués à fixer sur le fond marin ou similaire pour réinstaller la vie aquatique

Country Status (4)

Country Link
EP (1) EP1193348B1 (fr)
DE (2) DE60130721T2 (fr)
ES (1) ES2180468T3 (fr)
IT (1) IT1314439B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100027365A1 (it) 2021-10-25 2023-04-25 Techno Blue S R L Struttura per installazione subacquea

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20020107A1 (it) 2002-10-30 2004-04-30 Tecnotre S R L Barriera frangiflutti ed antierosione realizzata mediante
US8177457B2 (en) 2005-11-22 2012-05-15 Boudreaux Jr James C Pipeline protection and levee module system
US7708495B1 (en) 2007-11-20 2010-05-04 Chris Antee Levee system
ITMO20110209A1 (it) * 2011-08-11 2013-02-12 Fabio Fucci Elemento modulare, particolarmente per la realizzazione di pavimentazioni, strutture reticolari piane o tridimensionali e simili.
ES2579027B1 (es) * 2015-02-03 2017-02-07 Universidade Da Coruña Módulo para la formación de arrecifes artificiales

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5354587A (en) * 1976-10-23 1978-05-18 Iori Kikuchi Fish shejter blocks
BE895025A (nl) * 1982-11-16 1983-03-16 Vanlandschoote Andre C A Elementen voor het bedekken van de wanden of de bedding van waterlopen, dijken en analoge hydraulische werken
IT1165479B (it) * 1983-10-25 1987-04-22 Pinazzi Italo & C Sicep Ind Struttura di elementi modulari per la difesa delle sponde di canali,fossi e corsi d'acqua in genere
US5173006A (en) * 1991-07-18 1992-12-22 Lowe William R Artificial reef structure
US5988942A (en) * 1996-11-12 1999-11-23 Stewart Trustees Limited Erosion control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100027365A1 (it) 2021-10-25 2023-04-25 Techno Blue S R L Struttura per installazione subacquea
EP4170094A1 (fr) 2021-10-25 2023-04-26 TECHNO BLUE S.r.l. Structure d'installation sous-marine

Also Published As

Publication number Publication date
ES2180468T3 (es) 2008-04-01
DE60130721D1 (de) 2007-11-15
ITVR20000095A1 (it) 2002-04-02
DE1193348T1 (de) 2003-04-10
IT1314439B1 (it) 2002-12-13
EP1193348A3 (fr) 2003-08-06
ITVR20000095A0 (it) 2000-10-02
EP1193348A2 (fr) 2002-04-03
ES2180468T1 (es) 2003-02-16
DE60130721T2 (de) 2008-07-17

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