WO2011115504A3 - Device for improving floating stability and floating ability of floating structures - Google Patents

Device for improving floating stability and floating ability of floating structures Download PDF

Info

Publication number
WO2011115504A3
WO2011115504A3 PCT/NO2011/000088 NO2011000088W WO2011115504A3 WO 2011115504 A3 WO2011115504 A3 WO 2011115504A3 NO 2011000088 W NO2011000088 W NO 2011000088W WO 2011115504 A3 WO2011115504 A3 WO 2011115504A3
Authority
WO
WIPO (PCT)
Prior art keywords
floating
water
buoyancy
stability
individual structures
Prior art date
Application number
PCT/NO2011/000088
Other languages
French (fr)
Other versions
WO2011115504A2 (en
Inventor
Sigurd Ramslie
Karel Karal
Original Assignee
Seatower As
Karal, Eva
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 Seatower As, Karal, Eva filed Critical Seatower As
Publication of WO2011115504A2 publication Critical patent/WO2011115504A2/en
Publication of WO2011115504A3 publication Critical patent/WO2011115504A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
    • B63B43/12—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using inboard air containers or inboard floating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
    • B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/025—Reinforced concrete structures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Revetment (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

A buoyancy element (6, 7) for releasable connection to a structure (1) floating in a body of water (W) is characterized by a lower support element (19) and compartments (11 -14) fluidly interconnected via openings (60). One of said compartments is a central compartment (11) which via a control means (11b) and a duct (11a) is selectively fluidly connected with water surrounding the buoyancy element, whereby the buoyancy element (6, 7) is connected to the structure (1) only by means of the hydrostatic pressure exerted by the water onto the buoyancy element (6, 7). A device (8) for increasing the buoyancy and stability of a structure (1) floating in a body of water (W), for releasable connection to said structure is characterized by a wall (24a, 24b) encircling a portion (2a) of the structure and extending upwards from a support region (3; 30) on the structure to a distance above the water and thereby defining a compartment (25) between the wall section and the portion of the structure, whereby the water plane area and buoyancy for the combined device and structure are enhanced. A buoyant compounded structure, capable of being transported in a semi- submersible state in a body of water, comprises a plurality of buoyant individual structures (l a-c) having respective individual water plane areas and connection means (30; 31, 30a-c, 33) and abutment regions (9, 34, 35, 34', 35 '). The connection means are releasably connected between each of said individual structures at a vertical distance from said abutment regions, whereby the compounded structure comprises one, substantially rigid, body having a floating stability which is better than the floating stability of the individual structures when such individual structures are disconnected from each other.
PCT/NO2011/000088 2010-03-18 2011-03-17 Device for improving floating stability and floating ability of floating structures WO2011115504A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20100398A NO20100398A1 (en) 2010-03-18 2010-03-18 Device for improving the flow stability and flowability of floating structures
NO20100398 2010-03-18

Publications (2)

Publication Number Publication Date
WO2011115504A2 WO2011115504A2 (en) 2011-09-22
WO2011115504A3 true WO2011115504A3 (en) 2012-01-26

Family

ID=44515128

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2011/000088 WO2011115504A2 (en) 2010-03-18 2011-03-17 Device for improving floating stability and floating ability of floating structures

Country Status (2)

Country Link
NO (1) NO20100398A1 (en)
WO (1) WO2011115504A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000022255A1 (en) * 2020-09-22 2022-03-22 Mirco Armando Raffuzzi PLATFORM ANCHORING SYSTEM

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2727082A1 (en) * 1977-06-15 1978-12-21 Linde Ag Floating oil and gas storage facility - with double walled construction having tanks under water level and access platform above water
EP0518802A1 (en) * 1991-06-12 1992-12-16 Capote del Villar, Antonio System for the manufacture and installation of selective intake towers in reservoirs
EP0735197A1 (en) * 1993-12-17 1996-10-02 Kajima Corporation Method for executing gravity offshore structure and the structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO328838B1 (en) 2008-06-20 2010-05-25 Seatower As Device and method of wind generator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2727082A1 (en) * 1977-06-15 1978-12-21 Linde Ag Floating oil and gas storage facility - with double walled construction having tanks under water level and access platform above water
EP0518802A1 (en) * 1991-06-12 1992-12-16 Capote del Villar, Antonio System for the manufacture and installation of selective intake towers in reservoirs
EP0735197A1 (en) * 1993-12-17 1996-10-02 Kajima Corporation Method for executing gravity offshore structure and the structure

Also Published As

Publication number Publication date
NO20100398A1 (en) 2011-09-19
WO2011115504A2 (en) 2011-09-22

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