EP1629155A1 - Hydrodynamic stabilisation system against coastal erosion - Google Patents

Hydrodynamic stabilisation system against coastal erosion

Info

Publication number
EP1629155A1
EP1629155A1 EP04712606A EP04712606A EP1629155A1 EP 1629155 A1 EP1629155 A1 EP 1629155A1 EP 04712606 A EP04712606 A EP 04712606A EP 04712606 A EP04712606 A EP 04712606A EP 1629155 A1 EP1629155 A1 EP 1629155A1
Authority
EP
European Patent Office
Prior art keywords
subsoil
series
zone
tubes
pipes
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.)
Withdrawn
Application number
EP04712606A
Other languages
German (de)
French (fr)
Inventor
Kurt Birkedal
Syed Abdul Azeem
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1629155A1 publication Critical patent/EP1629155A1/en
Withdrawn legal-status Critical Current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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • E02B1/003—Mechanically induced gas or liquid streams in seas, lakes or water-courses for forming weirs or breakwaters; making or keeping water surfaces free from ice, aerating or circulating water, e.g. screens of air-bubbles against sludge formation or salt water entry, pump-assisted water circulation
    • 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
    • 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

Definitions

  • the system comprises a vertically mounted aeration pipe 1 partially buried into the subsoil of the upper beach bed. This pipe 1 is open to atmospheric air.
  • the aeration pipe 1 is mounted onto a hub 2, which is buried in the subsoil of the upper beach immediately under the aeration pipe 1.
  • the hub 2 is further connected to a series of filter membrane vertical tubes or pipes 4 via tubes or pipes 3 as shown in figure 2.
  • the position, depth and inclination of the components shown in figure 1 are variable in each specific case, and determined by measurements and site geological properties at each site where the system is to be applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Revetment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invented Hydrodynamic Stabilisation System (HDS) is applied to promote the infiltration rate in the swash zone to compensate for the minor conductivity in beach profiles composed of fine sand particles, by reducing the capillary effect (negative pore pressure governed by Darcy's law) within the beachface to improve the horizontal and vertical flow through the beachface to promote uprush sediment transport and entrapment. The system comprises a vertically mounted aeration pipe (1) partially buried into the subsoil of the upper beach bed. This pipe (1) is open to atmospheric air. The aeration pipe (1) is mounted onto a hub (2), which is buried in the subsoil of the upper beach immediately under the aeration pipe (1). The hub (2) is further connected to a series of filter membrane vertical tubes or pipes (4) vis tubes or pipes (3).

Description

HYDRODYNAMIC STABILISATION SYSTEM AGAINST COASTAL EROSION
The system comprises a vertically mounted aeration pipe 1 partially buried into the subsoil of the upper beach bed. This pipe 1 is open to atmospheric air. The aeration pipe 1 is mounted onto a hub 2, which is buried in the subsoil of the upper beach immediately under the aeration pipe 1. The hub 2 is further connected to a series of filter membrane vertical tubes or pipes 4 via tubes or pipes 3 as shown in figure 2.
The position, depth and inclination of the components shown in figure 1 are variable in each specific case, and determined by measurements and site geological properties at each site where the system is to be applied.

Claims

Claim 1.
A method for combating coastal erosion and an aeration system for use in this connection where the geological features of the shore bed are dominated by particles with an average size that changes the capillary regime, CHARACTERISED by installing series of membrane filter systems that compensate for low sediment porosity to stabilise the beach in the swash zone by using the tidal dynamics and waves as the hydraulic mechanics.
Claim 2
A method according to claim 1 , CHARACTERISED by installing a series of underground and aboveground pipes and tubes in a matrix in the swash zone and up to a distance of 30 metres landward of the swash zone, to reduce the backwash flow in the swash zone by aerating the strata in this zone to increase the vertical infiltration.
Claim 3.
A method according to claim 1 and 2 CHARACTERISED by a single rigid or flexible pipe or tube of varying length or diameter that stand alone or a series of rigid or flexible pipes or tubes connected in a pattern for use in performance of the method according to claim one.
Claim 4.
A method according to claim 1 CHARACTERISED by single rigid pipe or tube or a flexible pipe or tube for use in the performance of the method in that they are wholly or partly covered by a filter membrane.
Claim 5.
A method according to claim 1 , 2 and 3 CHARACTERISED by a series of rigid or flexible pipes or tubes that are connected in a subsoil manifold pattern connected to a hub for use in performance of the method according to claim one.
Claim 6.
A method according to claim 1 , 2, 3, 4 and 5, CHARACTERISED by the vertical subsoil filter membranes that penetrate the layers of different strata in the coastal profile to change the capillary regime. Claim 7.
A method according to claim 1 , 2,3,4,5, and 6, CHARACTERISED by the vertical subsoil filter membranes that penetrate the layers of different strata in the coastal profile and act as a flow finger for the vertical infiltration into the coarse grained strata within the bed in the beach face of the swash zone.
EP04712606A 2003-02-28 2004-02-19 Hydrodynamic stabilisation system against coastal erosion Withdrawn EP1629155A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0304655A GB2398817B (en) 2003-02-28 2003-02-28 A method for combating beach erosion using an aeration apparatus in this connection
PCT/GB2004/000675 WO2004076748A1 (en) 2003-02-28 2004-02-19 Hydrodynamic stabilisation system against coastal erosion

Publications (1)

Publication Number Publication Date
EP1629155A1 true EP1629155A1 (en) 2006-03-01

Family

ID=9953885

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04712606A Withdrawn EP1629155A1 (en) 2003-02-28 2004-02-19 Hydrodynamic stabilisation system against coastal erosion

Country Status (6)

Country Link
EP (1) EP1629155A1 (en)
AU (1) AU2004215159A1 (en)
GB (1) GB2398817B (en)
PL (1) PL208570B1 (en)
WO (1) WO2004076748A1 (en)
ZA (1) ZA200507758B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111967145B (en) * 2020-07-28 2022-07-12 自然资源部第三海洋研究所 Beach maintenance profile design method for reducing beach surface wind and sand strength

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898495A (en) * 1988-11-17 1990-02-06 Lin Newman K Method and apparatus to control a beach at an inlet and to maintain the beach
US5294213A (en) * 1990-03-05 1994-03-15 Parks James M Coastal stabilization with multiple flow control
US5022784A (en) * 1990-09-17 1991-06-11 The United States Of America As Represented By The Secretary Of The Navy Undertow reduction system for shoreline protection
JPH0995920A (en) * 1995-10-04 1997-04-08 Sumitomo Metal Ind Ltd Beach erosion prevention device
DK173691B1 (en) * 1997-11-28 2001-06-25 Sic Skagen Innovationsct Method of coastal protection and pressure equalization module for use in connection therewith
JP2002146742A (en) * 2000-11-15 2002-05-22 Ekomo:Kk Reinforcing structure of water collecting pipe for construction method for measure against coastal erosion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004076748A1 *

Also Published As

Publication number Publication date
GB2398817B (en) 2007-03-07
GB0304655D0 (en) 2003-04-02
PL208570B1 (en) 2011-05-31
GB2398817A (en) 2004-09-01
AU2004215159A1 (en) 2004-09-10
WO2004076748A1 (en) 2004-09-10
PL382649A1 (en) 2007-10-29
ZA200507758B (en) 2008-01-30

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