EP0201122A1 - Méthode pour exécuter un travail de réparation ou de préservation à une structure sous-marine et fourreau employé à cet effet - Google Patents

Méthode pour exécuter un travail de réparation ou de préservation à une structure sous-marine et fourreau employé à cet effet Download PDF

Info

Publication number
EP0201122A1
EP0201122A1 EP86200665A EP86200665A EP0201122A1 EP 0201122 A1 EP0201122 A1 EP 0201122A1 EP 86200665 A EP86200665 A EP 86200665A EP 86200665 A EP86200665 A EP 86200665A EP 0201122 A1 EP0201122 A1 EP 0201122A1
Authority
EP
European Patent Office
Prior art keywords
jacket
repair
space
preservation
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.)
Withdrawn
Application number
EP86200665A
Other languages
German (de)
English (en)
Inventor
J. Leggedoor
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.)
Bouwchemie Leggedoor BV
Original Assignee
Bouwchemie Leggedoor BV
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 Bouwchemie Leggedoor BV filed Critical Bouwchemie Leggedoor BV
Publication of EP0201122A1 publication Critical patent/EP0201122A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D37/00—Repair of damaged foundations or foundation structures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/64—Repairing piles

Definitions

  • the invention relates to a method for carrying out a repair or preservation of an under water structure by providing a jacket, after pre-treatment the subject by e.g. chipping out and cleaning, around the parts to be repaired or preserved and filling the space between the structure and the jacket with repair of preserving material.
  • the invention further relates to a jacket to be used with such a method.
  • a protective or preserving layer usually being a polymer or resin component which is applied with a thickness of at least approximately 0.5 mm on the under water construction or the structure.
  • the method to be practised so far is that with a repair that needs to be carried out under water, the attacked parts are removed by e.g. chipping out, the surface to be repaired is cleaned, after which a first layer is provided and then the chipped out parts are filled with mortar, which can be done by hand in case of small surfaces.
  • the jacket to be used according to the invention is preferably closed at its upper and bottom side, whereby the supply and discharge of material takes place via valves.
  • an adjustable, equal supply is obtained as a result of which the water, present between the structure and the jacket is gradually displaced by the supplied material which will harden on the structure after some time.
  • the space between the structure and the jacket may be small, in the order of 1 mm, whereas for a structure to be repaired said distance is chosen larger, dependent on the magnitude of the attack and the unevenness of the surface to be repaired.
  • the space with the resin that has to harden, after which the space is closed by closing the supply and discharge valves and then exerting a pressure on the resin in the space eventually at elevated temperature.
  • specific jacket forms may be used such as flexible jackets or jackets provided with a heating casing.
  • the pressure on the resin may also be increased by shutting off the discharge valve after the space has been filled completely and exerting an extra fluid pressure on the material via the supply valve.
  • the jacket may be provided in various ways around the structure or construction to be repaired or preserved and that is by means of struts which may be fixed to another part of the construction or in the bottom. Furthermore the jacket may be fixed around the structure to be repaired by fixing the jacket to a base by means of bolts.
  • the invention furthermore relates to the jacket which is used with the method described hereinabove, whereby it is specifically important that the jacket is provided with elements at the bottom side of the jacket to supply the material that can be poured and that has to harden, so that said material, being resin or mortar, can flow upwards from the bottom through the space between the jacket and the structure and thus evenly displaces the water from the space.
  • a space may be closed at its bottom side by a rubber seal and be open at its upper side or possibly be closed at its upper side, too, in which case discharge valves have been provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Revetment (AREA)
EP86200665A 1985-04-20 1986-04-21 Méthode pour exécuter un travail de réparation ou de préservation à une structure sous-marine et fourreau employé à cet effet Withdrawn EP0201122A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8501152A NL8501152A (nl) 1985-04-20 1985-04-20 Werkwijze voor het uitvoeren van een reparatie of conservering van een object onder water en de daarbij toe te passen bekisting.
NL8501152 1985-04-20

Publications (1)

Publication Number Publication Date
EP0201122A1 true EP0201122A1 (fr) 1986-11-12

Family

ID=19845867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86200665A Withdrawn EP0201122A1 (fr) 1985-04-20 1986-04-21 Méthode pour exécuter un travail de réparation ou de préservation à une structure sous-marine et fourreau employé à cet effet

Country Status (2)

Country Link
EP (1) EP0201122A1 (fr)
NL (1) NL8501152A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609739A1 (fr) * 1987-01-21 1988-07-22 Sevene Jean Pierre Procede pour la protection superficielle d'une construction immergee, dispositif pour la mise en oeuvre dudit procede et construction ainsi obtenue
AU629887B2 (en) * 1989-01-06 1992-10-15 University Of Auckland, The Improvements in or relating to a method of forming a reinforced cementitious member
FR2742779A1 (fr) * 1995-12-26 1997-06-27 Scaphocean Procede et installation pour la protection de supports en metal, en beton ou analogues, notamment contre la corrosion
AU689844B2 (en) * 1994-03-11 1998-04-09 Christopher John Workman An improved method of repairing wharf piles
WO1998050640A1 (fr) * 1997-05-07 1998-11-12 Amog Technologies Pty. Ltd. Reparation des elements de structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412185A (en) * 1945-06-07 1946-12-03 Weber Carl Method of encasing driven piling
DE1153689B (de) * 1959-08-19 1963-08-29 Wilhelm Dahmen Verfahren zum Ausbessern von in ein Bauwerk eingebauten Gruendungspfaehlen
US3890794A (en) * 1972-12-26 1975-06-24 John T Broadfoot Method of replacing piling
GB1399510A (en) * 1972-10-11 1975-07-02 Balfour Beatty Co Ltd Artificial and natural structures
EP0071217A2 (fr) * 1981-07-23 1983-02-09 Floyd Elvin Dimmick Méthode pour réparer un pieu sous-marin et chemise sous-marine à cet effet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412185A (en) * 1945-06-07 1946-12-03 Weber Carl Method of encasing driven piling
DE1153689B (de) * 1959-08-19 1963-08-29 Wilhelm Dahmen Verfahren zum Ausbessern von in ein Bauwerk eingebauten Gruendungspfaehlen
GB1399510A (en) * 1972-10-11 1975-07-02 Balfour Beatty Co Ltd Artificial and natural structures
US3890794A (en) * 1972-12-26 1975-06-24 John T Broadfoot Method of replacing piling
EP0071217A2 (fr) * 1981-07-23 1983-02-09 Floyd Elvin Dimmick Méthode pour réparer un pieu sous-marin et chemise sous-marine à cet effet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609739A1 (fr) * 1987-01-21 1988-07-22 Sevene Jean Pierre Procede pour la protection superficielle d'une construction immergee, dispositif pour la mise en oeuvre dudit procede et construction ainsi obtenue
AU629887B2 (en) * 1989-01-06 1992-10-15 University Of Auckland, The Improvements in or relating to a method of forming a reinforced cementitious member
AU689844B2 (en) * 1994-03-11 1998-04-09 Christopher John Workman An improved method of repairing wharf piles
FR2742779A1 (fr) * 1995-12-26 1997-06-27 Scaphocean Procede et installation pour la protection de supports en metal, en beton ou analogues, notamment contre la corrosion
WO1998050640A1 (fr) * 1997-05-07 1998-11-12 Amog Technologies Pty. Ltd. Reparation des elements de structure

Also Published As

Publication number Publication date
NL8501152A (nl) 1986-11-17

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19870513

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Inventor name: LEGGEDOOR, J.