WO2023020381A1 - 一种海上风电单桩嵌岩基础施工用装配式平台 - Google Patents

一种海上风电单桩嵌岩基础施工用装配式平台 Download PDF

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Publication number
WO2023020381A1
WO2023020381A1 PCT/CN2022/112086 CN2022112086W WO2023020381A1 WO 2023020381 A1 WO2023020381 A1 WO 2023020381A1 CN 2022112086 W CN2022112086 W CN 2022112086W WO 2023020381 A1 WO2023020381 A1 WO 2023020381A1
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WO
WIPO (PCT)
Prior art keywords
modules
column
platform
structural
sub
Prior art date
Application number
PCT/CN2022/112086
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English (en)
French (fr)
Chinese (zh)
Inventor
傅一帆
邱松
王其标
黄周泉
苗艳遂
王炜霞
王衔
富坤
张洁
李森
Original Assignee
中交第三航务工程局有限公司
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Publication date
Application filed by 中交第三航务工程局有限公司 filed Critical 中交第三航务工程局有限公司
Priority to KR1020237040591A priority Critical patent/KR20230175303A/ko
Publication of WO2023020381A1 publication Critical patent/WO2023020381A1/zh

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Classifications

    • 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
    • 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
    • E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22—Foundations specially adapted for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • 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
    • 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
    • E02B2017/0047—Methods for placing the offshore structure using a barge
    • 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
    • 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
    • E02B2017/0073—Details of sea bottom engaging footing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines

Definitions

  • the invention relates to an assembled platform for offshore wind power single pile rock-socketed foundation construction.
  • the purpose of the present invention is to overcome the defects of the prior art and provide a prefabricated platform for offshore wind power single-pile rock-socketed foundation construction, so as to ensure the standardization of modules and interfaces through the modular construction design of the platform, and maximize the platform land utilization and reduce construction costs.
  • An assembled platform for offshore wind power single pile rock-socketed foundation construction according to the present invention comprises:
  • the anti-sinking sub-platform includes: several first column connection modules and several anti-sinking plate modules that are spliced together horizontally, wherein,
  • Each of the first column connection modules includes: a first anti-sinking plate, a first column vertically passing through the center of the first anti-sinking plate and fixedly connected to it, and several equidistantly embedded in the a first main beam on the first anti-sinking plate and one end connected to the outer peripheral surface of the first column;
  • Each of the anti-sinking plate modules includes: a second anti-sinking plate and a second main beam embedded in the second anti-sinking plate;
  • the top sub-platform includes: several second column connection modules and several structural modules spliced together horizontally, wherein,
  • Each of the second column connection modules includes: a cube connection frame, a connection panel installed on the top of the cube connection frame, and a second column vertically passing through the center of the connection panel and fixedly connected to it, wherein , the bottom end of the second column is docked with the first column through a support module;
  • Each of the structural modules includes: a cubic structural frame and a structural panel installed on the top of the cubic structural frame.
  • each of the support modules includes: two third column connection sub-modules that are vertically spliced together and a connecting sub-module located between the two third column connections. Fourth column between submodules.
  • each of the third column connection sub-modules includes: a third column and a number of columns installed at equal intervals on the outer peripheral surface of the third column flange.
  • the bottom end of one of the third column connection submodules in each of the support modules is connected to the first column by means of flange connection
  • the modules are docked, and the top of the third column connection sub-module is connected to the second column connection module by flange connection, and the fourth column is connected to the third column connection module by flange connection.
  • each of the first anti-settling plate and the second anti-settling plate is provided with a number of anti-settling plate reinforcing ribs arranged in a criss-cross pattern.
  • each of the first column connection modules includes four first main beams, and the other end of each first main beam is connected to the four first main beams.
  • One edge of the first anti-sinking plate is flush; two ends of each second main beam are respectively flush with two opposite edges of the second anti-sinking plate where it is located.
  • the second main girder in each of the anti-settling plate modules is connected to one of the first main girders or connected to another
  • the second main girder in one of the anti-sinking plate modules is butted.
  • each of the cube connecting frames is constructed of four first support columns and eight first beams, and every two of them are located on the same vertical plane.
  • a first reinforcing brace is vertically connected between the first beams inside.
  • a part of the several structural modules is the first structural module, and the other part is the second structural module, wherein,
  • the cubic structural frame in each of the first structural modules is constructed by four second support columns and eight second crossbeams, and two second crossbeams located in the same vertical plane are obliquely connected to each other.
  • the second brace whose roots intersect with each other;
  • the cubic structural frame in each of the second structural modules is constructed by four third support columns and eight third beams, and the size of the structural panels in the second structural modules is smaller than that of the first structural modules Dimensions of structural panels in .
  • each of the cubic connecting frames is connected to a cubic structural frame by flange connection.
  • the present invention forms the top sub-platform, the anti-sinking sub-platform and the support module through the connection between each module and the sub-module, and then forms the top-level sub-platform, the anti-sinking sub-platform and the support module through the connection between the
  • the integrated assembled platform effectively solves the problems of low reuse rate and heavy reinforcement and reconstruction work of the single-pile foundation construction platform in the prior art because it cannot be disassembled, and the stability of the present invention is relatively high. It is convenient to install and disassemble and can be recycled. In addition, the present invention also has the advantages of convenient installation and low cost.
  • Fig. 1 is a three-dimensional structural schematic diagram of an assembled platform for offshore wind power single pile rock-socketed foundation construction according to the present invention
  • Fig. 2 is the structural plan view of anti-sinking platform in the present invention.
  • Fig. 3 is a structural perspective view of the first column connection module of the anti-sinking sub-platform in the present invention
  • Fig. 4 is a structural side view of the first column connection module of the anti-sinking sub-platform in the present invention.
  • Fig. 5 is a structural perspective view of the anti-sinking plate module of the anti-sinking sub-platform in the present invention.
  • Fig. 6 is a structural bottom view of the anti-sinking plate module of the anti-sinking sub-platform in the present invention.
  • Fig. 7 is a top view of the structure of the top sub-platform in the present invention.
  • Fig. 8 is a structural perspective view of the second column connection module of the top sub-platform in the present invention.
  • Fig. 9 is a structural side view of the second column connection module of the top sub-platform in the present invention.
  • Fig. 10 is a structural perspective view of the first structural module of the top sub-platform in the present invention.
  • Fig. 11 is a structural side view of the first structural module of the top sub-platform in the present invention.
  • Fig. 12 is a structural perspective view of the second structural module of the top sub-platform in the present invention.
  • Fig. 13 is a structural side view of the second structural module of the top sub-platform in the present invention.
  • Fig. 14 is a structural perspective view of the third column connection sub-module of the support module in the present invention.
  • Fig. 15 is a structural side view of the third column connection sub-module of the support module in the present invention.
  • Fig. 16 is a structural perspective view of the fourth column of the supporting module in the present invention.
  • the present invention that is, a prefabricated platform for offshore wind power single-pile rock-socketed foundation construction, which includes: an anti-sinking sub-platform 1 and a top floor sub-platform connected above the anti-sinking sub-platform 1 through several support modules 2 platform3.
  • the anti-sinking sub-platform 1 includes: several first column connection modules 11 and several anti-sinking plate modules 12 that are spliced together horizontally, wherein,
  • each first column connection module 11 includes: a first anti-sinking plate 111, a first column 112 vertically passing through the center of the first anti-sinking plate 111 and fixedly connected thereto, and several etc.
  • the first main beam 113 is embedded on the first anti-sinking plate 111 at intervals and one end is connected to the outer peripheral surface of the first column 112, wherein, the bottom surface of the first anti-sinking plate 111 is provided with several anti-sinking plates staggered Plate reinforcement ribs 13.
  • the first column 112 is a hollow structure and a column connection flange 100 is provided at its top, each first column connection module 11 includes four first main beams 113, and each first main beam 113 The other end is flush with an edge of the first anti-sinking plate 111; the thickness of the anti-sinking plate reinforcing rib 13 on the bottom surface of the first anti-sinking plate 111 does not exceed the radius of the first main beam 113; each first column connection module 11 are all steel structures and are welded and finished as a whole;
  • each anti-sinking plate module 12 includes: a second anti-sinking plate 121 and a second main beam 122 embedded in the second anti-sinking plate 121, wherein the second anti-sinking plate 121 There are several anti-sinking plate reinforcement ribs 13 arranged in a criss-cross arrangement on the bottom surface of it.
  • the two ends of each second main beam 122 are respectively flush with the two opposite edges of the second anti-sinking plate 121;
  • the thickness of 13 does not exceed the radius of the second main beam 122;
  • each anti-sinking plate module 12 is a steel structure and is integrally welded and finished;
  • the second main beam 122 in each anti-sinking plate module 12 is connected to the first main beam 113 or connected to the second main beam 122 in another anti-sinking plate module 12 by means of flange connection, Specifically, the other end of the first main beam 113 and the two ends of the second main beam 122 are respectively provided with connecting flanges 200 .
  • the anti-sinking sub-platform 1 provides temporary vertical support by relying on the foundation bearing capacity of the seabed mud surface, and also provides certain rigidity for the entire construction platform.
  • the top floor sub-platform 3 includes: several second column connection modules 31 and several structural modules that are spliced together horizontally, a part of the several structural modules is the first structural module 32, and the other part is the second structural module 33 ,in,
  • each second column connection module 31 includes: a cube connection frame 311, a connection panel 312 installed on the top of the cube connection frame 311, and a connecting panel 312 that vertically passes through the center of the connection panel 312 and is fixedly connected to it.
  • the second column 313 wherein the bottom end of the second column 313 is connected to the first column 112 through the support module 2 .
  • each cube connecting frame 311 is constructed by four first support columns 3111 and eight first crossbeams 3112, and every two first crossbeams 3112 located in the same vertical plane are vertical It is connected with a first reinforcement brace 3113 for strengthening the bearing capacity of the second column connection module 31 itself;
  • the surface layer of the connection panel 312 is a steel plate, which is connected to the first beam 3112 on the top surface of the cube connection frame 311 through I-beams;
  • the second column 313 It is a hollow structure and its top and bottom ends are respectively provided with column connecting flanges 100;
  • each second column connecting module 31 is a steel structure and is integrally welded and finished;
  • Each of the first structural module 32 and the second structural module 33 includes: a cubic structural frame and a structural panel installed on the top of the cubic structural frame, specifically:
  • the cubic structural frame 321 in the first structural module 32 is constructed by four second support columns 3211 and eight second crossbeams 3212, and each two are located at Between the second crossbeams 3212 in the same vertical plane, there are two intersecting second reinforcing braces 3213 for strengthening the self-bearing capacity of the first structural module 32;
  • the surface layer of the structural panel 322 in the first structural module 32 is The steel plate is connected with the second crossbeam 3212 on the top surface of the cubic structural frame 331 through an I-beam; each first structural module 32 is a steel structure and is integrally welded and finished;
  • the cubic structural frame 331 in the second structural module 33 is constructed by four third support columns 3311 and eight third beams 3312 ; the second structural module 33
  • the surface layer of the structural panel 332 in the structure is a steel plate, which is connected to the third beam 3312 on the top surface of the cubic structural frame 331 through an I-beam, and the size of the structural panel 332 in the second structural module 33 is smaller than that of the first structural module 32.
  • the size of the structural panel 322; each second structural module 33 is a steel structure and is integrally welded and finished.
  • each first structural module 32 and the cubic structural frame 331 of the second structural module 33 are connected to the cubic connecting frame 311 in a flange connection; specifically, each first Both ends of the supporting column 3111 and each first crossbeam 3112 are respectively provided with connecting flanges 200, and both ends of each second supporting column 3211 and each second crossbeam 3212 are respectively provided with connecting flanges 200, and each of the third Both ends of the support column 3311 and each third beam 3312 are respectively provided with connecting flanges 200 .
  • part of the top sub-platform 3 can be used for engineering pile construction and sinking, and the other part can be used for placing rock-socketed drilling rigs and auxiliary equipment and other devices.
  • the top sub-platform 3 not only provides The jacking force of the jack on the top floor also provides a working platform for construction personnel and observation equipment, and also provides a certain degree of rigidity for the entire construction platform.
  • each support module 2 includes: two third column connection sub-modules 21 vertically spliced together and a fourth column 22 located between the two third column connection sub-modules 21, in,
  • Each third column connection sub-module 21 includes: a third column 211 and a plurality of column flanges 212 installed on the outer peripheral surface of the third column 211 at equal intervals.
  • each third column 211 and each fourth column 22 are hollow cylindrical structures and their top and bottom ends are respectively provided with column connection flanges 100; each third column connection sub-module 21 and The fourth column 22 is a steel structure and is integrally welded and finished.
  • the bottom end of the lower third column connection sub-module 21 of each support module 2 is connected to the first column connection module 11 in a flange connection manner, and the upper third column connection of each support module 2
  • the top of the sub-module 21 is connected to the second column connection module 31 by flange connection
  • the fourth column 22 is connected to the third column connection sub-module 21 by flange connection.
  • each support module 2 is located below The third column 211 and the first column 112 are butted through the column connecting flange 100, the third column 211 located above is connected to the second column 313 through the column connecting flange 100, and the two ends of the fourth column 22 are connected through the column connecting flange 100 is docked with two third uprights 211; the first upright 112 to the fourth upright 22 are sequentially connected to allow auxiliary piles to be inserted therein.
  • the support module 2 as the main load-bearing structural part of the entire construction platform, bears the vertical load, and is also used for socketing of auxiliary piles, and is connected and fixed with the auxiliary piles.
  • the using method of the present invention is as follows:
  • each module is combined and assembled to form the top sub-platform, anti-sinking sub-platform and support module, and then the top-level sub-platform, anti-sinking sub-platform and support module are assembled into a whole prefabricated platform, wherein, according to different construction
  • the environment, use function, design requirements and operation needs change the size of each module or platform to assemble platforms with different shapes and structures;
  • the entire construction platform is transported to the construction site by means of barge transportation, and hoisted to the sea surface by using lifting equipment;
  • each auxiliary pile is inserted into the first to fourth columns and fixed, and then the pile sinking construction of the engineering pile is carried out, and the pile is sinking to the rock surface, and the rock-socketed equipment on the top sub-platform is used for drilling construction.
  • the present invention forms the top sub-platform, the anti-sinking sub-platform and the support module through the assembly between each module and the sub-module, and then assembles it into a prefabricated platform for rock-socketed foundation construction, and the modularization of the prefabricated platform It maximizes the utilization rate of the construction platform, reduces the construction cost, and also reduces the damage and pollution to the marine ecological environment, which is in line with the business philosophy of green, environmental protection and sustainable development advocated by the state.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Foundations (AREA)
  • Wind Motors (AREA)
PCT/CN2022/112086 2021-08-19 2022-08-12 一种海上风电单桩嵌岩基础施工用装配式平台 WO2023020381A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020237040591A KR20230175303A (ko) 2021-08-19 2022-08-12 해상 풍력 발전 모노 파일 암반 매립 기초 시공용 조립형 플랫폼

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CN202110954894.8A CN113638386B (zh) 2021-08-19 2021-08-19 一种海上风电单桩嵌岩基础施工用装配式平台
CN202110954894.8 2021-08-19

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CN113638386B (zh) * 2021-08-19 2022-09-09 中交第三航务工程局有限公司 一种海上风电单桩嵌岩基础施工用装配式平台
CN114590365A (zh) * 2022-02-28 2022-06-07 武汉理工大学 一种uhpc管-杆网架结构漂浮机场模块及漂浮机场

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