US20050103250A1 - Corrosion resistant prestressed concrete float system - Google Patents

Corrosion resistant prestressed concrete float system Download PDF

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Publication number
US20050103250A1
US20050103250A1 US10/699,595 US69959503A US2005103250A1 US 20050103250 A1 US20050103250 A1 US 20050103250A1 US 69959503 A US69959503 A US 69959503A US 2005103250 A1 US2005103250 A1 US 2005103250A1
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concrete
core
corrosion resistant
units
float
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US10/699,595
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Howard Thomson
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Priority to US10/699,595 priority Critical patent/US20050103250A1/en
Priority to CA002463338A priority patent/CA2463338A1/en
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Abandoned legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/062Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls
    • E02B3/064Floating landing-stages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/34Pontoons
    • B63B35/38Rigidly-interconnected pontoons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B5/00Hulls characterised by their construction of non-metallic material
    • B63B5/14Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2231/00Material used for some parts or elements, or for particular purposes
    • B63B2231/60Concretes
    • B63B2231/62Lightweight concretes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2231/00Material used for some parts or elements, or for particular purposes
    • B63B2231/60Concretes
    • B63B2231/68Prestressed concretes

Definitions

  • This invention relates generally to prestressed concrete flotation structures. More particularly, this invention relates to floating prestressed concrete structures which are more corrosion resistant than conventional floating concrete structures.
  • Prestressed concrete floatation structures are well known for use as docks, wharves, and the like.
  • Such structures such as described in U.S. Pat. No. 3,799,093 entitled FLOATING PRESTRESSED CONCRETE WHARF, include a buoyant material, such as expanded polystyrene, a layer of concrete surrounding the buoyant material, reinforcing wire mesh surrounding the buoyant material and located within the concrete layer, and pretensioned steel cables extending through the concrete to maintain it in compression. It has been observed that over time, particularly when the dock or other float structures are used in a saltwater environment, that the cables and wire reinforcing mesh may corrode and weaken the strength of the dock.
  • the present invention is directed to corrosion resistant prestressed concrete float units.
  • the units include a buoyant core encased within a polymeric coating, concrete encasing the core and polymeric coating, a corrosion resistant mesh to reinforce the concrete, and a plurality of corrosion resistant pretensioned fiber members extending the entire length of the unit.
  • the invention in another aspect, relates to a dock system made by interconnecting a plurality of the float units.
  • the units preferably include chaseways for receiving post tensioning members for interconnecting a plurality of the units to provide the dock system.
  • FIG. 1 is a perspective view of a float system according to a preferred embodiment of the invention, partially cut away to show interior portions thereof.
  • FIGS. 2A-2F show preferred cross-sectional geometries of float systems according to the invention.
  • FIG. 3 shows a plurality of the float systems of FIG. 1 arranged to provide a dock system according to a preferred embodiment of the invention.
  • FIGS. 4A-4B show preferred inclusion of mooring members and the like on the float system.
  • FIGS. 5A-5B show two examples of dock structures according to the invention.
  • the invention relates to a corrosion resistant prestress concrete float system featuring one or more floating units 10 .
  • Each unit 10 preferably has a cross-section configuration as depicted in FIGS. 2A-2F , but may also be configured to have other cross-sections.
  • a plurality of the units 10 may be arranged as seen in FIG. 3 and FIGS. 5A-5B to provide a floating dock or wharf system 12 .
  • each unit 10 is constructed so as to be relatively corrosion resistant when used in a marine environment. This is accomplished in a preferred embodiment by avoiding the use of components such as steel in the construction of the units 10 .
  • each unit 10 preferably includes a buoyant core 14 encased within a polymeric coating 16 , concrete 18 encasing the core 14 and polymeric coating 16 , a corrosion resistant mesh 20 to reinforce the concrete 18 , and a plurality of corrosion resistant pretensioned fiber members 22 extending the entire length of the unit 10 .
  • the unit 10 also preferably includes a plurality of chaseways 24 for receiving post tensioning members 26 for interconnecting a plurality of the units 10 in a desired manner.
  • the unit 10 floats in water, with the line W in FIG. 1 generally indicating the water level relative to the unit 10 during use.
  • the core 14 is preferably provided by expanded polystyrene foam or polyurethane foam.
  • the polymeric coating 16 which encases the core 14 is preferably a polyethylene coating.
  • the coating 16 is preferably roughened to facilitate bonding to the concrete 18 , and may be abraded or have appendages, corrugations or the like.
  • the coating 16 inhibits moisture from contacting the core 14 to avoid the core 14 from becoming waterlogged and otherwise deteriorating from exposure to moisture, chemicals, and other substances which tend to deteriorate the core 14 .
  • a vent may be provided between the core 14 and the atmosphere to enable venting of gases that develop.
  • the exposed end of the tube is preferably configured to inhibit passage of moisture or other matter back to the core.
  • the concrete 18 is preferably a lightweight, regular weight, or polymer modified concrete material applied so as to surround the core 14 .
  • the corrosion resistant mesh 20 provides reinforcement to strengthen the concrete 18 against loading, environmental changes such as temperature changes, and the like.
  • the mesh 20 is preferably made of carbon fiber, polymeric materials such as polyethylene, glass reinforced plastic, or like materials which are substantially resistant to corrosion in a marine environment and resistant to corrosion in an alkali-concrete environment.
  • the corrosion resistant pretensioned fiber members 22 are preferably made of materials which are substantially resistant to corrosion in a marine environment and resistant to corrosion in an alkali-concrete environment, such as carbon fiber strands, kevlar/aramid fiber strands, plain or vinyl ester coated glass fiber strands, polymeric fiber strands, and the like.
  • the chaseways 24 are preferably of extruded polyvinyl construction to provide chaseways that resist corrosion/deterioration in a marine/alkali-concrete environment.
  • the chaseways 24 may preferably be provided as by pvc piping.
  • the chaseways 24 receive the post tensioning members 26 , which are preferably formed of similarly non-corrosive materials, most preferably carbon fibers or aramid fibers.
  • the units 10 may preferably be strung on the members 26 to provide a dock or other floating structure.
  • the units 10 are made using a suitable mold and tensioning devices for pouring of the concrete. After the concrete is cured, the fiber members 22 are preferably trimmed to be flush with the exterior of the concrete 18 or the post tensioning member 26 or restraints therefor. An upper or deck surface 28 of the concrete 18 may be brushed during curing to provide a non-slip surface 31 .
  • the concrete may be configured to receive threaded inserts 30 for attachment of mooring cleats 32 , with the insert 30 preferably being configured, as by including an aperture, for passage of the pretensioned fiber members 22 or other reinforcement.
  • rail member 34 such as a board, preferably having a rubber bumper rail 36 adhered thereto, may be attached as by bolt 38 which cooperates with the insert 30 .
  • the rail member 34 preferably includes an insert portion 39 so that the bolt 38 does not protrude.
  • elastomeric pads 40 are preferably adhered or otherwise secured to the exteriors of the units 10 for padding between adjacent units.
  • a plurality of the units 10 are interconnected and extend from a boarding ramp 42 which extends from a bulkhead 44 .
  • a floating platform 46 is provided by a plurality of the units 10 arranged side-by-side.
  • the units 10 may be of a variety of sizes and configurations and may be utilized with other units 10 or other structures to provide a wide variety of floating configurations.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

A corrosion resistant prestressed float unit including a buoyant core encased within a polymeric coating, concrete encasing the core and polymeric coating, a corrosion resistant mesh to reinforce the concrete, and a plurality of corrosion resistant pretensioned fiber members extending the entire length of the unit.

Description

    FIELD OF THE INVENTION
  • This invention relates generally to prestressed concrete flotation structures. More particularly, this invention relates to floating prestressed concrete structures which are more corrosion resistant than conventional floating concrete structures.
  • BACKGROUND AND SUMMARY OF THE INVENTION
  • Prestressed concrete floatation structures are well known for use as docks, wharves, and the like. Such structures, such as described in U.S. Pat. No. 3,799,093 entitled FLOATING PRESTRESSED CONCRETE WHARF, include a buoyant material, such as expanded polystyrene, a layer of concrete surrounding the buoyant material, reinforcing wire mesh surrounding the buoyant material and located within the concrete layer, and pretensioned steel cables extending through the concrete to maintain it in compression. It has been observed that over time, particularly when the dock or other float structures are used in a saltwater environment, that the cables and wire reinforcing mesh may corrode and weaken the strength of the dock.
  • With regard to the foregoing, the present invention is directed to corrosion resistant prestressed concrete float units.
  • In a preferred embodiment, the units include a buoyant core encased within a polymeric coating, concrete encasing the core and polymeric coating, a corrosion resistant mesh to reinforce the concrete, and a plurality of corrosion resistant pretensioned fiber members extending the entire length of the unit.
  • In another aspect, the invention relates to a dock system made by interconnecting a plurality of the float units. The units preferably include chaseways for receiving post tensioning members for interconnecting a plurality of the units to provide the dock system.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • Further features of preferred embodiments of the invention will become apparent by reference to the detailed description of preferred embodiments when considered in conjunction with the figures, which are not to scale, wherein like reference numbers, indicate like elements through the several views, and wherein,
  • FIG. 1 is a perspective view of a float system according to a preferred embodiment of the invention, partially cut away to show interior portions thereof.
  • FIGS. 2A-2F show preferred cross-sectional geometries of float systems according to the invention.
  • FIG. 3 shows a plurality of the float systems of FIG. 1 arranged to provide a dock system according to a preferred embodiment of the invention.
  • FIGS. 4A-4B show preferred inclusion of mooring members and the like on the float system.
  • FIGS. 5A-5B show two examples of dock structures according to the invention.
  • DETAILED DESCRIPTION
  • With reference to the drawings, the invention relates to a corrosion resistant prestress concrete float system featuring one or more floating units 10. Each unit 10 preferably has a cross-section configuration as depicted in FIGS. 2A-2F, but may also be configured to have other cross-sections. A plurality of the units 10 may be arranged as seen in FIG. 3 and FIGS. 5A-5B to provide a floating dock or wharf system 12.
  • Returning to FIG. 1, each unit 10 is constructed so as to be relatively corrosion resistant when used in a marine environment. This is accomplished in a preferred embodiment by avoiding the use of components such as steel in the construction of the units 10.
  • In a preferred embodiment, each unit 10 preferably includes a buoyant core 14 encased within a polymeric coating 16, concrete 18 encasing the core 14 and polymeric coating 16, a corrosion resistant mesh 20 to reinforce the concrete 18, and a plurality of corrosion resistant pretensioned fiber members 22 extending the entire length of the unit 10. The unit 10 also preferably includes a plurality of chaseways 24 for receiving post tensioning members 26 for interconnecting a plurality of the units 10 in a desired manner. The unit 10 floats in water, with the line W in FIG. 1 generally indicating the water level relative to the unit 10 during use.
  • The core 14 is preferably provided by expanded polystyrene foam or polyurethane foam. The polymeric coating 16 which encases the core 14 is preferably a polyethylene coating. The coating 16 is preferably roughened to facilitate bonding to the concrete 18, and may be abraded or have appendages, corrugations or the like. The coating 16 inhibits moisture from contacting the core 14 to avoid the core 14 from becoming waterlogged and otherwise deteriorating from exposure to moisture, chemicals, and other substances which tend to deteriorate the core 14. If desired, a vent may be provided between the core 14 and the atmosphere to enable venting of gases that develop. This may be accomplished as by a polymeric tube 27 or the like located to pass from the core and through the coating 16 and concrete 18 to a surface of the concrete, such as a side near the top. The exposed end of the tube is preferably configured to inhibit passage of moisture or other matter back to the core.
  • The concrete 18 is preferably a lightweight, regular weight, or polymer modified concrete material applied so as to surround the core 14. The corrosion resistant mesh 20 provides reinforcement to strengthen the concrete 18 against loading, environmental changes such as temperature changes, and the like. The mesh 20 is preferably made of carbon fiber, polymeric materials such as polyethylene, glass reinforced plastic, or like materials which are substantially resistant to corrosion in a marine environment and resistant to corrosion in an alkali-concrete environment.
  • The corrosion resistant pretensioned fiber members 22 are preferably made of materials which are substantially resistant to corrosion in a marine environment and resistant to corrosion in an alkali-concrete environment, such as carbon fiber strands, kevlar/aramid fiber strands, plain or vinyl ester coated glass fiber strands, polymeric fiber strands, and the like.
  • The chaseways 24 are preferably of extruded polyvinyl construction to provide chaseways that resist corrosion/deterioration in a marine/alkali-concrete environment. The chaseways 24 may preferably be provided as by pvc piping. The chaseways 24 receive the post tensioning members 26, which are preferably formed of similarly non-corrosive materials, most preferably carbon fibers or aramid fibers. The units 10 may preferably be strung on the members 26 to provide a dock or other floating structure.
  • The units 10 are made using a suitable mold and tensioning devices for pouring of the concrete. After the concrete is cured, the fiber members 22 are preferably trimmed to be flush with the exterior of the concrete 18 or the post tensioning member 26 or restraints therefor. An upper or deck surface 28 of the concrete 18 may be brushed during curing to provide a non-slip surface 31.
  • With reference to FIGS. 4A-4B, the concrete may be configured to receive threaded inserts 30 for attachment of mooring cleats 32, with the insert 30 preferably being configured, as by including an aperture, for passage of the pretensioned fiber members 22 or other reinforcement. Likewise, rail member 34, such as a board, preferably having a rubber bumper rail 36 adhered thereto, may be attached as by bolt 38 which cooperates with the insert 30. The rail member 34 preferably includes an insert portion 39 so that the bolt 38 does not protrude. Also, elastomeric pads 40 are preferably adhered or otherwise secured to the exteriors of the units 10 for padding between adjacent units.
  • With reference to FIG. 5A, a plurality of the units 10 are interconnected and extend from a boarding ramp 42 which extends from a bulkhead 44. In FIG. 5B, a floating platform 46 is provided by a plurality of the units 10 arranged side-by-side. In this regard, it is noted that the units 10 may be of a variety of sizes and configurations and may be utilized with other units 10 or other structures to provide a wide variety of floating configurations.
  • The foregoing description of certain exemplary embodiments of the present invention has been provided for purposes of illustration only, and it is understood that numerous modifications or alterations may be made in and to the illustrated embodiments without departing from the spirit and scope of the invention as defined in the following claims.

Claims (7)

1. A corrosion resistant prestressed float system, comprising one or more float units, each including a buoyant core encased within a polymeric coating, concrete encasing the core and polymeric coating, a corrosion resistant mesh to reinforce the concrete, and a plurality of corrosion resistant pretensioned fiber members extending the entire length of the unit.
2. The float system of claim 1, further comprising a plurality of chaseways for receiving post tensioning members for interconnecting a plurality of the units in a desired manner.
3. The float system of claim 1, further comprising a vent extending from the core to an exterior surface of the concrete and in communication with the atmosphere for venting gases from the core to the atmosphere.
4. A corrosion resistant prestressed float unit comprising a buoyant core encased within a polymeric coating, concrete encasing the core and polymeric coating, a corrosion resistant mesh to reinforce the concrete, and a plurality of corrosion resistant pretensioned fiber members extending the entire length of the unit.
5. The float unit of claim 4, further comprising a vent extending from the core to an exterior surface of the concrete and in communication with the atmosphere for venting gases from the core to the atmosphere.
6. A floating dock system comprising a plurality of corrosion resistant prestressed float units, wherein the float units each comprise a buoyant core encased within a polymeric coating, concrete encasing the core and polymeric coating, a corrosion resistant mesh to reinforce the concrete, and a plurality of corrosion resistant pretensioned fiber members extending the entire length of the unit.
7. The dock system of claim 6, further comprising a plurality of chaseways defined within each of the units and a plurality post tensioning members received within the chaseways for interconnecting a plurality of the units in a desired manner to provide the dock system claim 8. The dock system of claim 6, wherein one or more of the units includes a vent extending from the core to an exterior surface of the concrete and in communication with the atmosphere for venting gases from the core to the atmosphere.
US10/699,595 2003-10-31 2003-10-31 Corrosion resistant prestressed concrete float system Abandoned US20050103250A1 (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007011229A1 (en) * 2005-06-16 2007-01-25 Dr. Techn. Olav Olsen As Floating structure consisting of a number of assembled self-floating elements and method for constructing the floating structure
US20070095266A1 (en) * 2005-10-28 2007-05-03 Chevron U.S.A. Inc. Concrete double-hulled tank ship
WO2007105955A1 (en) * 2006-03-10 2007-09-20 Oevretveit Arild A floating pontoon body to be tied together with at least another pontoon body
US20080078319A1 (en) * 2006-09-28 2008-04-03 Raymond Howard Hebden Floating pontoon berthing facility for ferries and ships
WO2015038060A1 (en) * 2013-09-13 2015-03-19 Sf Marina System International Ab Non-magnetic reinforcement in buoyant prestressed concrete structures
WO2015157609A1 (en) * 2011-10-11 2015-10-15 Schopfer E Kevin Floating platform
US9493214B2 (en) 2014-09-14 2016-11-15 Dock Cable Float LLC Cable support system
ITUB20153314A1 (en) * 2015-09-01 2017-03-01 Giorgio Grossi System and method for the construction of floating platforms in post-compressed reinforced concrete with a fixed and invariable floating level
WO2017093772A1 (en) 2015-12-04 2017-06-08 Pompor Gyula Design to connect float modules to each other and/or to assembly units and/or to the superstructure, in a preferred embodiment for pontoons constructed of concrete float modules
CN107581137A (en) * 2017-11-02 2018-01-16 青岛大学 A kind of floating for anti-down streaming automatic feeding water unidirectional control device is moved about ball
IT201600096669A1 (en) * 2016-09-27 2018-03-27 Giorgio Grossi System and method for the realization of autonomously floating underwater tunnels formed by individually floating parallelepiped-shaped modules made of reinforced concrete

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115284436A (en) * 2022-06-29 2022-11-04 一道新能源科技(衢州)有限公司 Forming method of floating type floating body and floating type floating body

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US3580202A (en) * 1969-03-11 1971-05-25 Ye Dock Master Inc Floating wharf structure
US3779192A (en) * 1971-08-09 1973-12-18 P Gonzalez Modular concrete floatation unit
US3799093A (en) * 1973-05-07 1974-03-26 W Thomson Floating prestressed concrete wharf
US3869532A (en) * 1974-01-11 1975-03-04 Rosecon Inc Method of manufacturing floating boat dock modules
US3967569A (en) * 1974-12-30 1976-07-06 Shorter Jr Myron L Floating dock
US4318362A (en) * 1978-04-13 1982-03-09 Jung Henry W Floating concrete dock
US4559891A (en) * 1982-07-26 1985-12-24 Shorter Jr Myron L Pontoon
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US5107785A (en) * 1990-12-07 1992-04-28 Baxter Hal T Floating dock and breakwater
US5215027A (en) * 1990-12-07 1993-06-01 Baxter Hal T Floating dock/breakwater and method for making same
US5713296A (en) * 1996-08-12 1998-02-03 Gervasi; Paul R. Lightweight concrete dock
US6199502B1 (en) * 1999-08-27 2001-03-13 Jerry L. Mattson Concrete module for floating structures and method of construction
US6205945B1 (en) * 1999-10-25 2001-03-27 Eastern Floatation Systems, Inc. Floating dock including buoyant wharf modules and method of making such modules
US20020067957A1 (en) * 2000-12-05 2002-06-06 Transpac Marinas, Inc., Floating concrete dock sections and methods for making the same

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US3580202A (en) * 1969-03-11 1971-05-25 Ye Dock Master Inc Floating wharf structure
US3779192A (en) * 1971-08-09 1973-12-18 P Gonzalez Modular concrete floatation unit
US3799093A (en) * 1973-05-07 1974-03-26 W Thomson Floating prestressed concrete wharf
US3869532A (en) * 1974-01-11 1975-03-04 Rosecon Inc Method of manufacturing floating boat dock modules
US3967569A (en) * 1974-12-30 1976-07-06 Shorter Jr Myron L Floating dock
US4318362A (en) * 1978-04-13 1982-03-09 Jung Henry W Floating concrete dock
US4559891A (en) * 1982-07-26 1985-12-24 Shorter Jr Myron L Pontoon
US4715307A (en) * 1982-11-08 1987-12-29 Rock Dock, Inc. Concrete marine float and method of fabricating same
US5107785A (en) * 1990-12-07 1992-04-28 Baxter Hal T Floating dock and breakwater
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US6205945B1 (en) * 1999-10-25 2001-03-27 Eastern Floatation Systems, Inc. Floating dock including buoyant wharf modules and method of making such modules
US20020067957A1 (en) * 2000-12-05 2002-06-06 Transpac Marinas, Inc., Floating concrete dock sections and methods for making the same
US6450737B1 (en) * 2000-12-05 2002-09-17 David H. Rytand Floating concrete dock sections and methods for making the same

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007011229A1 (en) * 2005-06-16 2007-01-25 Dr. Techn. Olav Olsen As Floating structure consisting of a number of assembled self-floating elements and method for constructing the floating structure
US20070095266A1 (en) * 2005-10-28 2007-05-03 Chevron U.S.A. Inc. Concrete double-hulled tank ship
WO2007053377A2 (en) * 2005-10-28 2007-05-10 Chevron U.S.A. Inc. Concrete double-hulled tank ship
WO2007053377A3 (en) * 2005-10-28 2007-09-13 Chevron Usa Inc Concrete double-hulled tank ship
WO2007105955A1 (en) * 2006-03-10 2007-09-20 Oevretveit Arild A floating pontoon body to be tied together with at least another pontoon body
US20090304448A1 (en) * 2006-03-10 2009-12-10 Oevretveit Arild A floating pontoon body to be tied together with at least another pontoon body
US20080078319A1 (en) * 2006-09-28 2008-04-03 Raymond Howard Hebden Floating pontoon berthing facility for ferries and ships
US7461611B2 (en) 2006-09-28 2008-12-09 Raymond Howard Hebden Floating pontoon berthing facility for ferries and ships
CN106458304A (en) * 2011-10-11 2017-02-22 E.凯文.肖弗 Floating platform
WO2015157609A1 (en) * 2011-10-11 2015-10-15 Schopfer E Kevin Floating platform
US9505468B2 (en) 2011-10-11 2016-11-29 E. Kevin Schopfer Floating platform
WO2015038060A1 (en) * 2013-09-13 2015-03-19 Sf Marina System International Ab Non-magnetic reinforcement in buoyant prestressed concrete structures
US9493214B2 (en) 2014-09-14 2016-11-15 Dock Cable Float LLC Cable support system
ITUB20153314A1 (en) * 2015-09-01 2017-03-01 Giorgio Grossi System and method for the construction of floating platforms in post-compressed reinforced concrete with a fixed and invariable floating level
WO2017037749A1 (en) * 2015-09-01 2017-03-09 Giorgio Grossi System and method for the realization of floating platforms made of post-compressed reinforced concrete with floating quota fixed and invariable
US10414466B2 (en) 2015-09-01 2019-09-17 Giorgio Grossi System and method for the realization of floating platforms made of post-compressed reinforced concrete with floating quota fixed and invariable
WO2017093772A1 (en) 2015-12-04 2017-06-08 Pompor Gyula Design to connect float modules to each other and/or to assembly units and/or to the superstructure, in a preferred embodiment for pontoons constructed of concrete float modules
US20200001950A1 (en) * 2015-12-04 2020-01-02 Gyula Pompor Design to connect float modules to each other and/or to an assembly and/or to a superstructure mounted onto them, for pontoons constructed of float modules
US11027798B2 (en) * 2015-12-04 2021-06-08 Gyula Pompor To connect float modules to each other and/or to an assembly and/or to a superstructure mounted onto them, for pontoons constructed of float modules
IT201600096669A1 (en) * 2016-09-27 2018-03-27 Giorgio Grossi System and method for the realization of autonomously floating underwater tunnels formed by individually floating parallelepiped-shaped modules made of reinforced concrete
WO2018061043A3 (en) * 2016-09-27 2018-05-11 Giorgio Grossi System and method for the realization of self-floating submarine tunnel formed by individually floating parallelepiped-shaped modules made of reinforced concrete
CN107581137A (en) * 2017-11-02 2018-01-16 青岛大学 A kind of floating for anti-down streaming automatic feeding water unidirectional control device is moved about ball

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