WO2020122712A1 - Cadre de battage avec découpe - Google Patents

Cadre de battage avec découpe Download PDF

Info

Publication number
WO2020122712A1
WO2020122712A1 PCT/NL2019/050818 NL2019050818W WO2020122712A1 WO 2020122712 A1 WO2020122712 A1 WO 2020122712A1 NL 2019050818 W NL2019050818 W NL 2019050818W WO 2020122712 A1 WO2020122712 A1 WO 2020122712A1
Authority
WO
WIPO (PCT)
Prior art keywords
crane
cut
piling frame
vessel
piling
Prior art date
Application number
PCT/NL2019/050818
Other languages
English (en)
Inventor
Lukas PEETERS
Original Assignee
Jumbo Maritime B.V.
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 Jumbo Maritime B.V. filed Critical Jumbo Maritime B.V.
Publication of WO2020122712A1 publication Critical patent/WO2020122712A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/04—Guide devices; Guide frames
    • 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
    • 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
    • E02B17/027—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 steel structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • 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
    • B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
    • 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
    • E02B2017/0039—Methods for placing the offshore structure
    • E02B2017/0043—Placing the offshore structure on a pre-installed foundation structure
    • 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
    • E02B2017/0056—Platforms with supporting legs
    • E02B2017/0065—Monopile structures
    • 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
    • E02B2017/0091—Offshore structures for wind turbines

Definitions

  • the present invention relates to a piling frame for being lifted by a crane of a vessel, a vessel with one or more cranes for lifting such a piling frame, as well as a method for installing piles in a water body using such a piling frame and such a vessel.
  • Piling frames are also known as piling templates, in particular subsea piling templates.
  • Piling frames are primarily used for installing piles on or in a seabed of a sea or ocean to form a foundation for a further subsea structure, such as an offshore platform or a wind turbine support structure.
  • Such piling frames usually comprise pile sleeves for guiding the piles into the seabed under the proper angle during the pile driving process.
  • Piling frames often have a triangular or square shape with the pile sleeves being arranged in the corners of the triangle.
  • EP 2546418 A1 discloses a method for providing a foundation for a mass located at height, such as the jacket of a wind turbine or a jetty, wherein the foundation comprises a number of piles driven into a bottom in a geometric pattern.
  • the method comprises providing a floating device with lifting means, providing a positioning frame with a number of mutually connected guide sleeves arranged in a geometric pattern for the purpose of receiving the piles, lowering the positioning frame to the bottom into a position of use via the lifting means and arranging the piles in the bottom through the guide sleeves of the positioning frame in the position of use.
  • GB 2054710 A furthermore discloses a method of levelling a seabed template by reacting mechanical screw jacks against the seabed and turning them from the rotary table of a drilling rig.
  • the template can be raised or lowered by reversing the rotation direction.
  • WO 2013/122457 A1 moreover discloses a template for use in installing a plurality of foundation elements, in particular anchor piles, relative to one another in an underwater ground formation, comprising at least a guide for guiding a foundation element in a guiding direction during driving the foundation element into a seabed and a frame including a holding member for holding the guide in transverse direction of the guiding direction.
  • the template further comprises a levelling mechanism for levelling the frame with respect to a seabed when it is placed thereon.
  • a problem with the known piling frames is that they are getting larger and larger in order to form foundations for increasingly large subsea structures on the seabed. This in turn also requires the vessel installing the piles to become larger and larger to be able to accommodate the piling frame.
  • problems may occur when trying to lift the piling frame in between onboard cranes towards the water body (also known as“overboarding”). Or, when a vessel is actually large enough, problems may occur with regards to the capacity of the crane, since the capacity of the crane is restricted by the outreach of the crane: the larger the outreach, the smaller the lift capacity. Operation of large vessels, i.e.
  • vessels with larger cranes is furthermore highly uneconomical primarily due to the size of such vessels: the larger the vessel, the more expensive exploitation of the vessel.
  • the vessel to be used during installation of the piles is thus as small as possible. However, this could again lead to the vessel not having sufficient size to accommodate and overboard large piling frames.
  • Another problem with the known piling frames and installation methods is that the rate of pile installation in the seabed is relatively low due to the same vessel being used for installing the piles with the piling frame, as well as the subsequent installation of the further subsea structure.
  • the installation of piles thus has to be interrupted frequently for installing the further subsea structure on the created pile foundation.
  • An object of the invention is therefore to provide a piling frame which can be stored and used onboard a relatively small vessel, wherein problems when lifting the piling frame in between onboard cranes (or, for that matter, any other fixed obstruction, such as crew accommodation) towards the water body or problems with the lifting capacity and/or outreach of the cranes are prevented or at least minimized.
  • Another object of the invention is to provide a method for installing piles in a water body with such a piling frame, wherein the pile installation rate is increased.
  • Yet another object of the invention is to provide an installation method or vessel, wherein a relatively larger load of piles can be stored onboard the vessel installing the piles.
  • the piling frame according to the invention is characterized by the piling frame, when being lifted by the crane, comprising a horizontal circumference zone with a cut-out, wherein the cut-out is configured for at least partially receiving a vertical crane mast of the crane.
  • the piling frame can be guided while rotating the piling frame overboard, by e.g. pulling the piling frame against a purpose-built round structure that is part of or around the crane mast, so that the piling frame cannot move in the horizontal plane whilst it is rotated by the crane from deck to the position above the water.
  • dynamic movements in the horizontal plane for instance caused by environmental factors such as wind, waves, swell, weather, et cetera, can be reduced.
  • the piling frame can for example be pulled against a curved structure around the crane by means of tugger winches whilst rotating the crane, preventing any uncontrolled movement in the horizontal plane.
  • the piling frame comprises a horizontal centroid or center of gravity, wherein the horizontal center of gravity is closer to the horizontal circumference zone at the cut-out than to other circumference zone positions.
  • Another major advantage of the cut-out allowing the vertical crane mast to be received in the cut-out, is that the vertical crane mast and the centroid or center of gravity of the piling frame can be positioned closer together during lifting, which decreases the bending moments on the crane and therefore allows the operator to use cranes with lower load capacity.
  • the centroid or center of gravity is preferably positioned adjacent to the horizontal circumference zone at the cut-out, thus allowing the centroid or center of gravity to be positioned virtually next to the vertical crane mast during lifting, further minimizing bending moments.
  • the horizontal circumference zone may have a polygonal shape with corners and sides connecting the corners, wherein the corners comprise pile sleeves and one of the sides comprises the cut-out.
  • the corners comprise pile sleeves and one of the sides comprises the cut-out.
  • the piling frame may comprise a truss structure and the sides are formed by frame members of the truss structure.
  • the cut-out can be advantageously formed by omitting a frame member at the side comprising the cut out, allowing easy manufacture of the piling frame.
  • “omitting” means that normally, based on the polygonal shape, one would expect a frame member there, such as a steel tube. The cut-out is then created by leaving the respective frame member out.
  • the piling frame comprises three sides and three corners.
  • Such a piling frame is easy to manufacture, is sturdy, and, for instance, leaving one of the frame members of the truss structure out leads to a relatively large cut-out compared to polygonal shapes with more sides and corners.
  • a piling frame with four (perpendicular) sides and four corners is also conceivable.
  • the piling frame comprises a crane connection, wherein the crane connection is closer to the horizontal circumference zone at the cut-out than to other circumference zone positions.
  • the crane connection is preferably adjacent to the horizontal circumference zone at the cut-out for maximum effect.
  • the vessel may comprise a pair of cranes arranged at a same side of the vessel, wherein the distance between the horizontal circumference zone at the cut out and a horizontally opposing circumference zone position is smaller than a crane distance between the pair of cranes.
  • Another aspect of the invention relates to a method for installing piles in a water body using an aforementioned vessel with an aforementioned piling frame, comprising the steps of:
  • the piles are stored onboard the vessel. More preferably, all piles required for the operation are stored onboard the vessel.
  • another vessel installs a further water body structure, such as an offshore platform or a wind turbine support structure, on the foundation.
  • the pile installation rate can be significantly increased due to the pile installation vessel and the further subsea structure installation vessel being allowed to work“in series”, as opposed to the conventional installation methods, wherein the pile installation vessel is also used to install the further subsea structure.
  • Figure 1 shows a perspective view of a vessel with an exemplary embodiment of a piling frame according to the invention
  • Figure 2 shows a top view of a vessel with another exemplary embodiment of a piling frame according to the invention
  • Figure 3 shows a vessel installing piles using the piling frame according to the invention.
  • Figure 4 shows another vessel installing the further subsea structure on the foundation of piles created by the vessel of figure 3.
  • Figures 1-4 will be discussed in conjunction.
  • Figure 1 shows a vessel 3, such as an offshore vessel, with two cranes 2 lifting a piling frame 1 according to the invention.
  • the cranes 2 are heavy-lift cranes, for instance having a lifting capacity up to 1500 MT.
  • Such cranes 2 are preferred for oversea transport of large and heavy equipment, such as the piles 22 and piling frame 1 , onboard heavy lift vessels, such as the vessel 3 as shown.
  • the cranes 2 are preferably used in tandem configuration.
  • the piling frame 1 is lifted by the crane 2 and a vertical mast 6 of the crane 2 is received in a cut-out 5 according to the invention.
  • the vertical crane mast 6 is positioned fully within the cut-out 5, i.e.
  • the pair of cranes 2 is arranged at a same side 18 of the vessel 3, such as the starboard or port side of the vessel 3.
  • the distance 19 between the horizontal circumference zone 9 at the cut-out 5 and a horizontally opposing circumference zone position 20 is smaller than a crane distance 21 between the pair of cranes 2, such that the piling frame 1 can be overboarded in between the cranes 2.
  • piles 22 are shown stored onboard the vessel 3 in a cargo space.
  • the maximum diameter of the horizontal circumference zone 4 of the piling frame 1 may amount to for instance 10 - 50 m, such as 20 - 40 m.
  • the crane distance 21 may similarly amount to for instance 10 - 50 m, such as 20 - 40 m.
  • the cut-out 5 effectively reduces the distance 19 between the horizontal circumference zone 9 (at the cut-out 5) and a horizontally opposing circumference zone position 20 (i.e. compared to a conventional piling frame without cut-out 5) by for instance 5 - 50 %, more preferably 10 - 50 %, even more preferably 25 - 50%, most preferably 40 - 50 %, such that the piling frame 1 (more easily) fits in between the cranes 2 when overboarding.
  • the piling frame 1 according comprises a horizontal centroid 7 or center of gravity 8, wherein the horizontal centroid 7 or center of gravity 8 is closer to the horizontal circumference zone 9 at the cut-out 5 than to other circumference zone positions 10, allowing the centroid 7 or center of gravity 8 to be positioned close to the vertical crane mast 6 during lifting.
  • the centroid 7 and center of gravity 8 may or may not coincide.
  • the centroid 7 or center of gravity 8 is adjacent to the horizontal circumference zone 9 at the cut-out 5 to minimize bending moments exerted on the vertical crane mast 6.
  • the horizontal circumference zone 4 has a polygonal shape 1 1 with corners 12 and sides 13 connecting the corners 12, wherein the corners 12 comprise pile sleeves 14 and one of the sides 13, i.e. the side 13 turned towards the crane 2, comprises the cut-out 5.
  • the piling frame 1 1 comprises a truss structure 15 and the sides 13 are formed by frame members 16 of the truss structure 15, such as steel tubes.
  • the cut-out 5 is formed by omitting a frame member 16 at the side 13 comprising the cut-out 5, i.e. the side 13 turned towards the crane 2.
  • the piling frame 1 as shown in figure 1 comprises three sides 13 and three corners 12, although a piling frame 1 having four sides 13 and four corners 12 as shown in figure 2 - or even more sides and corners, such as six or eight - is also conceivable.
  • the piling frame 1 comprises a crane connection 17, wherein the crane connection 17 is closer to the horizontal circumference zone 9 at the cut-out 5 than to other circumference zone positions 10, to keep the crane connection 17 as closely positioned to the vertical crane mast 6 as reasonably possible.
  • the crane connection 17 therefore is preferably positioned adjacent to the horizontal circumference zone 9 at the cut-out 5.
  • the crane 2 outreach minus a distance in the horizontal plane between a vertical centre line through the vertical crane mast 6 and a crane connection or lift rigging connection point 17 of said piling frame 1 is smaller than the crane 2 outreach minus the distance in the horizontal plane between the vertical centre line through the vertical crane mast 6 and the lift rigging connection point of a conventional piling frame without the cut-out.
  • FIGs 3 and 4 depict a method for installing piles 22 in a water body 23 using a vessel 3 according to the invention.
  • the piling frame 1 is lifted with two cranes 2, wherein a vertical mast 6 of the crane 2 is received in the cut-out 5.
  • the distance 19 between the horizontal circumference zone 9 at the cut-out 5 and a horizontally opposing circumference zone position 20 is smaller than a crane distance 21 between the pair of cranes 2.
  • the crane 2 lifting the piling frame 1 is rotated in between the pair of cranes 2 towards a position above the water body 23, wherein the vertical mast 6 of the crane remains positioned in the cut-out 5 during the rotating.
  • the piling frame 1 is then lowered until the piling frame 1 is positioned on a bottom 24 of the water body, such as the seabed. As shown in figure 3, a vessel 3 is used to install piles 22 in the bottom 24 of the water body 23 to form a foundation 25, with help of the piling frame 1 .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Earth Drilling (AREA)

Abstract

La présente invention concerne un cadre de battage (1) destiné à être soulevé par une grue (2) d'un navire (3), caractérisé en ce que le cadre de battage, lorsqu'il est soulevé par la grue, comprend une zone de circonférence horizontale (4) dotée d'une découpe (5), la découpe étant configurée pour recevoir au moins partiellement un mât de grue vertical (6) de la grue. L'invention concerne également un récipient comprenant un tel cadre de battage, ainsi qu'un procédé d'installation de pieux dans un plan d'eau au moyen d'un tel cadre de battage ou navire.
PCT/NL2019/050818 2018-12-11 2019-12-10 Cadre de battage avec découpe WO2020122712A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2022173 2018-12-11
NL2022173A NL2022173B1 (en) 2018-12-11 2018-12-11 Piling frame with cut-out

Publications (1)

Publication Number Publication Date
WO2020122712A1 true WO2020122712A1 (fr) 2020-06-18

Family

ID=68965970

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2019/050818 WO2020122712A1 (fr) 2018-12-11 2019-12-10 Cadre de battage avec découpe

Country Status (2)

Country Link
NL (1) NL2022173B1 (fr)
WO (1) WO2020122712A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054710A (en) 1979-05-25 1981-02-18 Cjb Bearl & Wright Ltd Levelling seabed templates
DE202009006507U1 (de) * 2009-04-30 2009-08-06 Bard Engineering Gmbh Führungsgestell zum vertikalen Führen von mindestens einem Fundamentpfahl beim Errichten eines Fundaments einer Offshore-Windenergieanlage und Stapel-, Aufricht- und Absenkvorrichtung zum Errichten eines Fundaments einer Offshore-Windenergieanlage
GB2460172A (en) * 2008-05-24 2009-11-25 Marine Current Turbines Ltd Installation of a pile in the seabed using a guide structure
GB2473683A (en) * 2010-01-05 2011-03-23 Fast Frames Method and apparatus for driving a pile into a substrate
EP2546418A1 (fr) 2011-07-11 2013-01-16 GeoSea NV Procédé permettant de fournir une fondation pour une masse située en hauteur et cadre de positionnement pour la mise en oeuvre du procédé
GB2496412A (en) * 2011-11-10 2013-05-15 Tidal Generation Ltd Installing a structure on a bed of a body of water
WO2013122457A1 (fr) 2012-02-13 2013-08-22 Ihc Holland Ie B.V. Gabarit d'installation d'une pluralité d'éléments de fondation dans une formation souterraine immergée et procédé associé

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054710A (en) 1979-05-25 1981-02-18 Cjb Bearl & Wright Ltd Levelling seabed templates
GB2460172A (en) * 2008-05-24 2009-11-25 Marine Current Turbines Ltd Installation of a pile in the seabed using a guide structure
DE202009006507U1 (de) * 2009-04-30 2009-08-06 Bard Engineering Gmbh Führungsgestell zum vertikalen Führen von mindestens einem Fundamentpfahl beim Errichten eines Fundaments einer Offshore-Windenergieanlage und Stapel-, Aufricht- und Absenkvorrichtung zum Errichten eines Fundaments einer Offshore-Windenergieanlage
GB2473683A (en) * 2010-01-05 2011-03-23 Fast Frames Method and apparatus for driving a pile into a substrate
EP2546418A1 (fr) 2011-07-11 2013-01-16 GeoSea NV Procédé permettant de fournir une fondation pour une masse située en hauteur et cadre de positionnement pour la mise en oeuvre du procédé
GB2496412A (en) * 2011-11-10 2013-05-15 Tidal Generation Ltd Installing a structure on a bed of a body of water
WO2013122457A1 (fr) 2012-02-13 2013-08-22 Ihc Holland Ie B.V. Gabarit d'installation d'une pluralité d'éléments de fondation dans une formation souterraine immergée et procédé associé

Also Published As

Publication number Publication date
NL2022173B1 (en) 2020-07-02

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