EP0558363A1 - Schwimmender Ponton - Google Patents

Schwimmender Ponton Download PDF

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Publication number
EP0558363A1
EP0558363A1 EP93400276A EP93400276A EP0558363A1 EP 0558363 A1 EP0558363 A1 EP 0558363A1 EP 93400276 A EP93400276 A EP 93400276A EP 93400276 A EP93400276 A EP 93400276A EP 0558363 A1 EP0558363 A1 EP 0558363A1
Authority
EP
European Patent Office
Prior art keywords
floating pontoon
bridge
hull
pontoon according
transverse elements
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
Application number
EP93400276A
Other languages
English (en)
French (fr)
Other versions
EP0558363B1 (de
Inventor
Marc Dufournaud
Jean-Yves Le Lan
Loic Dugor
Anne Joly
Pascal Kergueris
Pierre-Luc Gueguen
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.)
Direction General pour lArmement DGA
Etat Francais
Original Assignee
Direction General pour lArmement DGA
Etat Francais
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 Direction General pour lArmement DGA, Etat Francais filed Critical Direction General pour lArmement DGA
Publication of EP0558363A1 publication Critical patent/EP0558363A1/de
Application granted granted Critical
Publication of EP0558363B1 publication Critical patent/EP0558363B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/062—Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls
    • E02B3/064—Floating landing-stages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/34—Pontoons

Definitions

  • the present invention relates to a floating pontoon and, more particularly, to an overflowing pontoon for ships, commonly known as an overflow bridge.
  • pontoons are present in large numbers in ports. Wet along the quays, they allow ships to dock regardless of the water level, or where there are banks of insufficient slope for direct docking. They are also very useful for working on hulls.
  • the existing overflow pontoons are made of steel and have a large stiffening system made of verandas, beams, frames, etc., as well as transverse partitions, themselves reinforced by uprights and greenhouses. Manholes in the deck allow access to the various compartments for maintenance.
  • the main object of the invention is to overcome this drawback by designing a new pontoon having the required mechanical characteristics, but made of composite materials which are almost insensitive to marine corrosion.
  • Another object of the invention is to provide for this new pontoon a simple construction structure despite imperatives severe techniques.
  • the transverse elements further comprise at their base, lateral wings directed towards the outside, which increase the stiffness of their lower part, and by which they are glued to the bottom of the hull.
  • the pontoon 1 shown in the drawings essentially comprises an elongated shell 2 of parallelepiped shape, a bridge 3 covering the shell 2, and an internal reinforcement structure consisting of a plurality of transverse elements 4 arranged at regular intervals.
  • the deck 3 is equipped with members 5 distributed at its periphery between sections of the cunette 6, FIG. 1, lifting lugs 7 and double mooring bittes 8.
  • two superimposed lines of defense 9 surround the hull 2 .
  • the latter is produced in a mold having the external shape of the pontoon. It consists of a monolithic glass-resin composite coated externally with gel-coat. In a satisfactory embodiment, the composite comprises in the resin a plurality of layers of glass twill between two layers of glass mat.
  • the bridge 3 is itself a sandwich 30, FIG. 3, the core of which has a honeycomb structure, for example of the honeycomb type.
  • the lower skin and the upper skin are made of a glass-resin composite, which, as for shell 2, can comprise several layers of glass twill between two layers of glass mat.
  • the upper skin is also covered with a non-slip.
  • the bridge 3 is prefabricated on a mold with rectilinear movement so as to present a slight transverse slope on each side of a horizontal median strip 3a, FIG. 1.
  • the first skin and the core are compacted under vacuum.
  • the anti-slip is applied to the deck after fitting the accessories.
  • the elements 4 forming the internal reinforcement structure has a generally U-shaped profile, or else, namely that it has two basic horizontal wings 4a, two rectilinear legs 4b preferably slightly inclined towards one another in draft, and a also horizontal top 4c.
  • the apex 4c is provided with rectilinear movement identical to that of the bridge, as can be seen in FIG. 5.
  • the elements 4 are produced on a male mold.
  • they are made of the same glass-resin composite as the shell 2, but preferably thicker.
  • transverse elements 4 are glued to the bottom of the shell 2 by their base wings 4a, and to its side walls by their ends. As shown in FIG. 6, these connections can be reinforced by corniérage elements such as 10.
  • the elements 4 are arranged in the shell 2 at regular intervals. Spaced apart as in FIG. 3, they delimit between them volumes identical to their internal volumes, so that the set of legs 4a forms a transverse bracing uniformly distributed over the entire length of the pontoon.
  • the internal reinforcement structure is completed by two longitudinal central partitions 11 between the bottom of the hull 2 and the deck 3, FIG. 4, respectively joining the first and the last element 4 to the end wall adjacent to the hull 2.
  • the elements 4 also serve to support the bridge 3 which also rests on the periphery of the hull 2.
  • the lower skin of the bridge 3 is glued to the top of the elements 4.
  • this is a bonding between the upper edge of the hull and the lower skin of the deck, plus a peripheral corniérage designated by the reference 12.
  • FIGS 7 and 8 show how the main dock accessories are attached.
  • the members 5 are screwed through the wall 30 of the bridge 3, in counter plates 13 previously glued under the wall 30, which counter plates 13 can also be made of glass-resin composite.
  • counter-plates 14 are provided for screwing peripheral profiles 15 supporting the defenses 9.
  • the mooring bittes 7, and in the same way the lifting lugs, are fixed by screwing through the double wall 30-40 of the bridge 3 and of the elements 4, in a counterplate 16 previously glued under the wall 4a.
  • the pontoons according to the invention are designed to have in their most usual form a length of the order of 12 m and a width of the order of 3 m.
  • an internal reinforcement structure composed of six transverse elements 4: the overall rigidity is completely satisfactory, as well as the resistance both to local forces and to lateral compression forces.
  • the maintenance advantages already mentioned there are those of a longer expected service life, a simplified structure requiring significantly less construction time, and elimination of electrolysis problems for light metal vessels.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
EP19930400276 1992-02-27 1993-02-04 Schwimmender Ponton Expired - Lifetime EP0558363B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9202270 1992-02-27
FR9202270A FR2688014B1 (fr) 1992-02-27 1992-02-27 Ponton flottant.

Publications (2)

Publication Number Publication Date
EP0558363A1 true EP0558363A1 (de) 1993-09-01
EP0558363B1 EP0558363B1 (de) 1995-07-19

Family

ID=9427086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930400276 Expired - Lifetime EP0558363B1 (de) 1992-02-27 1993-02-04 Schwimmender Ponton

Country Status (4)

Country Link
EP (1) EP0558363B1 (de)
DE (1) DE69300269D1 (de)
ES (1) ES2078106T3 (de)
FR (1) FR2688014B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU680168B1 (en) * 1996-07-10 1997-07-17 George Yang Floats
EP0905324A1 (de) * 1997-09-26 1999-03-31 Giorgio Salis Schwimmendes Kai oder Pier für das Vertäuen von Schiffen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1136333A (en) * 1966-09-20 1968-12-11 Norman Edward Way Improvements in and relating to pontoons
GB1136970A (en) * 1966-09-07 1968-12-18 Ici Ltd Pontoons
FR2116846A5 (fr) * 1970-12-09 1972-07-21 Lefebvre Pierre Albert Flotteur et ponton flottant en faisant application
DE2222750A1 (de) * 1971-05-24 1972-11-30 Koppers Co Inc Bauelement fuer ein Schwimmdock
US3864920A (en) * 1972-09-19 1975-02-11 Bridgestone Tire Co Ltd Floating breakwater
GB1496812A (en) * 1975-12-19 1978-01-05 Mackley Ace Ltd Pontoons
EP0123988A2 (de) * 1983-04-29 1984-11-07 Röhm Gmbh Verfahren zum punktförmigen Befestigen von Hohlkammerplatten

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1136970A (en) * 1966-09-07 1968-12-18 Ici Ltd Pontoons
GB1136333A (en) * 1966-09-20 1968-12-11 Norman Edward Way Improvements in and relating to pontoons
FR2116846A5 (fr) * 1970-12-09 1972-07-21 Lefebvre Pierre Albert Flotteur et ponton flottant en faisant application
DE2222750A1 (de) * 1971-05-24 1972-11-30 Koppers Co Inc Bauelement fuer ein Schwimmdock
US3864920A (en) * 1972-09-19 1975-02-11 Bridgestone Tire Co Ltd Floating breakwater
GB1496812A (en) * 1975-12-19 1978-01-05 Mackley Ace Ltd Pontoons
EP0123988A2 (de) * 1983-04-29 1984-11-07 Röhm Gmbh Verfahren zum punktförmigen Befestigen von Hohlkammerplatten

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU680168B1 (en) * 1996-07-10 1997-07-17 George Yang Floats
EP0905324A1 (de) * 1997-09-26 1999-03-31 Giorgio Salis Schwimmendes Kai oder Pier für das Vertäuen von Schiffen
US6105530A (en) * 1997-09-26 2000-08-22 Salis; Giorgio Floating wharf or pier for ship mooring

Also Published As

Publication number Publication date
FR2688014A1 (fr) 1993-09-03
ES2078106T3 (es) 1995-12-01
EP0558363B1 (de) 1995-07-19
DE69300269D1 (de) 1995-08-24
FR2688014B1 (fr) 1994-05-20

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