FR2725463A1 - Movable anchor to prevent sand from being eroded from beaches - Google Patents

Movable anchor to prevent sand from being eroded from beaches Download PDF

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Publication number
FR2725463A1
FR2725463A1 FR9410948A FR9410948A FR2725463A1 FR 2725463 A1 FR2725463 A1 FR 2725463A1 FR 9410948 A FR9410948 A FR 9410948A FR 9410948 A FR9410948 A FR 9410948A FR 2725463 A1 FR2725463 A1 FR 2725463A1
Authority
FR
France
Prior art keywords
boxes
beaches
eroded
joined
housings
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.)
Pending
Application number
FR9410948A
Other languages
French (fr)
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.)
HENNEBUTTE GEORGES BL
Original Assignee
HENNEBUTTE GEORGES BL
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 HENNEBUTTE GEORGES BL filed Critical HENNEBUTTE GEORGES BL
Priority to FR9410948A priority Critical patent/FR2725463A1/en
Priority to FR9500352A priority patent/FR2725464B3/en
Publication of FR2725463A1 publication Critical patent/FR2725463A1/en
Pending legal-status Critical Current

Links

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
    • E02B3/043—Artificial seaweed
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/26—Artificial reefs or seaweed; Restoration or protection of coral reefs

Landscapes

  • 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)
  • Revetment (AREA)

Abstract

The anchor consists of two housings (1,2) in a V-formation which is open towards the ground, connected by their tips (3,4) and equipped with ground fixings (5). The housings are triangular in section, and can be joined at their tips by a connecting piece with anchors, and they can have apertures in them for filling and emptying. The housings can be equipped with cords or synthetic seaweed threaded through rings welded to their surfaces to give the appearance of natural rocks.

Description

Pour supprimer les cavités et récupérer du sable dans la mer, il faut disposer dans ou devant chacune d'elles des sortes de triangles pentagonaux d'une forme générale en
V - disposés côté ouvert vers la terre.To remove the cavities and recover sand from the sea, it is necessary to have in or in front of each of them kinds of pentagonal triangles of a general shape in
V - arranged open side to earth.

Pour des raisons de moindre encombrement et de facilité de déplacement, il est préférable de réunir plusieurs caissons entre eux pour former ces sortes de - V ou - W -. For reasons of less bulk and ease of movement, it is preferable to bring together several boxes together to form these kinds of - V or - W -.

La Figure 1 représente un modèle de deux caissons 1 et 2 réunis entre eux par les plaques 3 et 4 pour former un seul ensemble. Des pattes 5 permettent de fixer solidement ces caissons dans la terre, le sable ou la roche. Figure 1 shows a model of two boxes 1 and 2 joined together by the plates 3 and 4 to form a single assembly. Legs 5 allow these boxes to be firmly fixed in the earth, sand or rock.

La Figure 2 représente un troisième caisson 6 équipé d'une forte embase horizontale 7 et 8 doublée vers l'avant par une patte 9 et une énorme vis 10. FIG. 2 represents a third box 6 equipped with a strong horizontal base 7 and 8 doubled towards the front by a tab 9 and a huge screw 10.

Le caisson 6 forme une sorte de bouclier et agit comme un rostre de navire relié aux caissons 1 et 2 afin de former un seul ensemble qui fait éclater les vagues à l'endroit choisi. The box 6 forms a kind of shield and acts like a ship's rostrum connected to the boxes 1 and 2 in order to form a single unit which makes the waves burst at the chosen place.

La Figure 3 est une coupe A-A qui montre bien la forme de cet élément 6. Des sortes de hublots solides 11, 12 et 13 permettent de remplir ces caissons de sable ou de les vidanger en 14. Figure 3 is a section A-A which clearly shows the shape of this element 6. Kinds of solid portholes 11, 12 and 13 allow these boxes to be filled with sand or emptied at 14.

Cette coupe permet de comprendre que la pente douce tournée vers le large facilite le passage des vagues et leur éclatement, alors que le côté interne est presque vertical pour empêcher le sable de repartir. Des renforts internes (non représentés) disposés entre les côtés et le fond consolident ces caissons.  This cut makes it possible to understand that the gentle slope turned towards the sea facilitates the passage of the waves and their bursting, while the internal side is almost vertical to prevent the sand from leaving. Internal reinforcements (not shown) arranged between the sides and the bottom consolidate these boxes.

La Figure 4 représente un tel caisson équipé de différents moyens mécaniques 15 permettant de soutenir des cordages 16 donnant l'apparence de rochers couverts d'algues synthétiques. Figure 4 shows such a box equipped with different mechanical means 15 for supporting ropes 16 giving the appearance of rocks covered with synthetic algae.

La Figure 5 représente des sortes de petits U 17 inversés et soudés sur les caissons en de multiples endroits, ce qui permet de passer au travers de cet anneau des cordes colorées équipées d'un noeud avant et après chaque U. Des algues synthétiques peuvent également remplacer les cordages. Figure 5 represents kinds of small U 17 inverted and welded on the boxes in multiple places, which allows to pass through this ring colored ropes equipped with a knot before and after each U. Synthetic algae can also replace the ropes.

Des caissons accrochés bout à bout les uns derrière les autres forment une digue amovible plus ou moins longue en fonction du nombre de caissons type 1 et 2.  Boxes hung end to end one behind the other form a more or less long removable dam depending on the number of type 1 and 2 boxes.

Claims (4)

REVENDICATIONS 1. Dispositif pour éviter le désensablement des plages, en faisant crouler les vagues en un endroit précis afin de récupérer le sable contenu dans chacune d'elles, caractérisé en ce qu'il comporte deux caissons (1,2) en V ouvert vers la terre et réunis par leurs points (3,4), et des moyens (5) de fixation au sol. 1. Device to avoid the desensitization of the beaches, by causing the waves to crumble in a specific place in order to recover the sand contained in each of them, characterized in that it comprises two boxes (1,2) in V open towards the earth and joined by their points (3,4), and means (5) for fixing to the ground. 2. Dispositif selon la Revendication 1, caractérisé en ce que les caissons sont de forme triangulaire pentagonale et peuvent être réunis à leur pointe par une pièce (6) formant rostre et équipée de platitudes d'ancrage (7,8,9,10). 2. Device according to Claim 1, characterized in that the boxes are of triangular pentagonal shape and can be joined at their point by a piece (6) forming rostrum and equipped with anchoring platitudes (7,8,9,10) . 3. Dispositif selon l'une des Revendications 1 et 2, caractérisé en ce que les caissons sont équipés de portes ou hublots de remplissage et de vidage. 3. Device according to one of Claims 1 and 2, characterized in that the boxes are equipped with doors or portholes for filling and emptying. 4. Dispositif selon l'une des Revendications 1 à 4, caractérisé en ce que les caissons sont équipés de systèmes (15,16,17) de cordages ou d'algues synthétiques enfilés au travers de multiples petits anneaux soudés sur ces caissons afin de dissimuler ces caissons et leur donner l'apparence de rochers naturels.  4. Device according to one of Claims 1 to 4, characterized in that the boxes are equipped with systems (15,16,17) of ropes or synthetic algae threaded through multiple small rings welded on these boxes in order to hide these caissons and give them the appearance of natural rocks.
FR9410948A 1994-10-10 1994-10-10 Movable anchor to prevent sand from being eroded from beaches Pending FR2725463A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9410948A FR2725463A1 (en) 1994-10-10 1994-10-10 Movable anchor to prevent sand from being eroded from beaches
FR9500352A FR2725464B3 (en) 1994-10-10 1995-01-13 DEVICE FOR AVOIDING DESALINATION OF BEACHES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9410948A FR2725463A1 (en) 1994-10-10 1994-10-10 Movable anchor to prevent sand from being eroded from beaches

Publications (1)

Publication Number Publication Date
FR2725463A1 true FR2725463A1 (en) 1996-04-12

Family

ID=9466921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9410948A Pending FR2725463A1 (en) 1994-10-10 1994-10-10 Movable anchor to prevent sand from being eroded from beaches

Country Status (1)

Country Link
FR (1) FR2725463A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPR20090012A1 (en) * 2009-03-09 2010-09-10 Rodolfo Sbrana ANCHORAGE DEVICE FOR PASTRY AND PROTECTION SYSTEMS FOR SANDY ARBLES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2252009A5 (en) * 1973-11-21 1975-06-13 Chakoff Timour Fringing reef effect breakwater - comprising artificial floating algae unaffected by chemical or biological influences
US3953976A (en) * 1973-03-28 1976-05-04 Speidel Foundation & Marine, Inc. Self-supporting wall
FR2367146A1 (en) * 1976-10-06 1978-05-05 Hennebutte Georges Sand retaining barrier for coastal defence works - has triangular section with landward face almost vertical and seaward face inclined more gently
SU1077973A1 (en) * 1982-03-12 1984-03-07 Строительно-Монтажный Трест "Новороссийскморстрой" Главморречстроя Shore-protecting barrier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953976A (en) * 1973-03-28 1976-05-04 Speidel Foundation & Marine, Inc. Self-supporting wall
FR2252009A5 (en) * 1973-11-21 1975-06-13 Chakoff Timour Fringing reef effect breakwater - comprising artificial floating algae unaffected by chemical or biological influences
FR2367146A1 (en) * 1976-10-06 1978-05-05 Hennebutte Georges Sand retaining barrier for coastal defence works - has triangular section with landward face almost vertical and seaward face inclined more gently
SU1077973A1 (en) * 1982-03-12 1984-03-07 Строительно-Монтажный Трест "Новороссийскморстрой" Главморречстроя Shore-protecting barrier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRATED Week 8444, Derwent World Patents Index; Class 1, AN 84-274825 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPR20090012A1 (en) * 2009-03-09 2010-09-10 Rodolfo Sbrana ANCHORAGE DEVICE FOR PASTRY AND PROTECTION SYSTEMS FOR SANDY ARBLES

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