CN115110567B - Modularized assembled wind power expansion foundation and construction method thereof - Google Patents

Modularized assembled wind power expansion foundation and construction method thereof Download PDF

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Publication number
CN115110567B
CN115110567B CN202210802082.6A CN202210802082A CN115110567B CN 115110567 B CN115110567 B CN 115110567B CN 202210802082 A CN202210802082 A CN 202210802082A CN 115110567 B CN115110567 B CN 115110567B
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China
Prior art keywords
bearing platform
anchor
platform units
ring beam
wind power
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CN202210802082.6A
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CN115110567A (en
Inventor
吴香国
李伟涛
刘万通
张宇豪
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Harbin Institute of Technology
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Harbin Institute of Technology
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/44Foundations for machines, engines or ordnance
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/08Sinking workpieces into water or soil inasmuch as not provided for elsewhere
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • E02D27/14Pile framings, i.e. piles assembled to form the substructure
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • E02D27/425Foundations for poles, masts or chimneys specially adapted for wind motors masts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/16Arrangement or construction of joints in foundation structures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/30Miscellaneous comprising anchoring details
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The invention relates to a modularized assembled wind power expansion foundation and a construction method thereof, wherein the modularized assembled wind power expansion foundation comprises the following components: the fixing assembly comprises a ring beam and a first anchoring part, the ring beam is arranged at the lower end of the bearing platform unit, a plurality of bearing platform units are sequentially arranged around the circumference of the ring beam to define a mounting cavity for fixing the tower barrel, and the first anchoring part penetrates through the bearing platform units and is detachably connected with the ring beam. The modularized assembled wind power expansion foundation can be designed in a modularized manner, so that the construction period is shortened, the construction quality is good, and the construction efficiency is high.

Description

Modularized assembled wind power expansion foundation and construction method thereof
Technical Field
The invention relates to the technical field of wind power equipment, in particular to a modularized assembled wind power expansion foundation and a construction method thereof.
Background
Wind energy is used as a clean renewable energy source, and has quite wide application prospect. The development of land wind energy and offshore wind energy has achieved remarkable achievements over decades. The wind turbine generator has the advantages of high power generation amount of a wind turbine, stable running of a fan and mature manufacturing technology, and is widely put into use in recent years.
Because the wind motor tower belongs to the high-rise structure and bears larger horizontal and vertical loads, the foundation body shape is larger. The reinforced concrete foundation in the related art needs to be subjected to operations of binding reinforcing steel bars and pouring concrete on site, and because the bolts, the shear reinforcing steel bars and the concrete are integrally poured, the construction period of the wind power foundation is long, and the quality of the foundation concrete structure is greatly influenced by factors of construction operation environment.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the invention provides a modularized assembled wind power expansion foundation which can be designed in a modularized manner, shortens the construction period and improves the construction quality and efficiency.
The embodiment of the invention also provides a construction method of the modularized assembled wind power expansion foundation.
According to an embodiment of the invention, a modular assembled wind power extension foundation comprises: the fixing assembly comprises a ring beam and a first anchoring part, the ring beam is arranged at the lower end of the bearing platform unit, a plurality of bearing platform units are sequentially arranged around the circumference of the ring beam to define a mounting cavity for fixing the tower barrel, and the first anchoring part penetrates through the bearing platform units and is detachably connected with the ring beam.
According to the modularized assembly type wind power expansion foundation disclosed by the embodiment of the invention, as the plurality of bearing platform units are mutually independent, the bearing platform units can be conveniently transported, hoisted and spliced. And because a plurality of cushion cap units are connected with the ring beam through the first anchoring component, a plurality of cushion cap units can form a whole, and the installation reliability of the modularized assembly type wind power expansion foundation is higher. Therefore, the modularized assembly type wind power expansion foundation can be subjected to modularized design, the construction period is shortened, and the construction quality and efficiency are improved.
In some embodiments, the first anchoring member comprises a first upper anchor plate group and a first anchor rod group, the first upper anchor plate group is arranged at the upper end of the bearing platform unit, the first anchor rod group penetrates through the bearing platform units and the ring beam, the upper end of the first anchor rod group is connected with the first upper anchor plate group, and the lower end of the first anchor rod group is connected with the ring beam.
In some embodiments, the first upper anchor plate group comprises a plurality of independent first upper anchor plates, the first anchor plate group comprises a plurality of first anchor rods, the first upper anchor plates, the first anchor rods and the bearing platform units are in one-to-one correspondence, the upper ends of the first anchor rods are connected with the first upper anchor plates, and the lower ends of the first anchor rods are connected with the ring beams.
In some embodiments, the total amount of the plurality of bearing platform units is N, the number of part of bearing platform units is M, the number of the other part of bearing platform units is N-M, and the fixing assembly further comprises prestressed tendons, wherein the prestressed tendons are arranged in the N-M bearing platform units in a penetrating manner.
In some embodiments, the number of the tendons is plural, and the plural tendons are arranged in the N-M bearing platform units at intervals.
In some embodiments, the fixing assembly further comprises a second anchoring part, the second anchoring part comprises a second lower anchor plate, a second upper anchor plate and a plurality of second anchor rods, the second lower anchor plate is arranged at the lower ends of the M bearing platform units, the second upper anchor plate is arranged at the upper ends of the M bearing platform units, the plurality of second anchor rods are respectively arranged at the M bearing platform units in a penetrating mode, the upper ends of the second anchor rods are connected with the second upper anchor plate, and the lower ends of the second anchor rods are connected with the second lower anchor plate.
In some embodiments, one of the two adjacent bearing platform units is provided with a key tooth, the other bearing platform unit is provided with a key groove, the key tooth and the key groove both extend along the radial direction of the ring beam, and the key tooth is matched with the key groove.
In some embodiments, the key teeth are provided with at least two groups along the up-down direction, the key grooves are provided with at least two groups along the up-down direction, and the two groups of key teeth are in one-to-one correspondence with the two groups of key grooves.
In some embodiments, the bearing platform unit has two opposite side elevation along the circumference of the ring beam, and an included angle between the two side elevation is greater than or equal to 5 ° and less than or equal to 15 °.
In some embodiments, an anchoring channel is provided in the platform unit, the anchoring channel has a start end and an anchoring end, the start end is provided on the upper end surface of the platform unit, the anchoring end is provided on one end of the platform unit adjacent to the installation cavity, and the anchoring channel is used for penetrating an anchor rod connected with the tower.
In some embodiments, the platform unit is provided with a boss, and the start end is provided on the boss.
In some embodiments, the modular assembled wind power expansion foundation further comprises a waterproof adhesive tape, wherein the waterproof adhesive tape is arranged between two adjacent bearing platform units.
According to another embodiment of the invention, the modular assembled wind power expansion foundation construction method comprises the following steps:
providing a ring beam, and arranging the ring beam on a target site;
providing a plurality of independent bearing platform units, and sequentially arranging the plurality of bearing platform units along the circumferential direction of the ring beam so as to define an installation cavity for fixing the tower drum;
providing a first anchoring part, penetrating the first anchoring part to a plurality of bearing platform units, and connecting the first anchoring part with the ring beam so as to fix the bearing platform units.
According to the modularized assembly type wind power expansion foundation construction method provided by the embodiment of the invention, the plurality of bearing platform units are mutually independent, so that the bearing platform units can be conveniently transported, hoisted and spliced. And because a plurality of cushion cap units are connected with the ring beam through the first anchoring component, a plurality of cushion cap units can form a whole, and the installation reliability of the modularized assembly type wind power expansion foundation is higher. Therefore, the modularized assembly type wind power expansion foundation construction method can carry out modularized design, shortens the construction period and improves the construction quality and efficiency.
In some embodiments, the total number of the plurality of the bearing platform units is N, the number of the bearing platform units is M, the number of the other bearing platform units is N-M, wherein the step of arranging the plurality of bearing platform units in turn along the circumferential direction of the ring beam to define the installation cavity for fixing the tower further comprises the steps of:
arranging N-M bearing platform units in sequence along the circumferential direction of the ring beam;
and providing a prestressed reinforcement, and penetrating the prestressed reinforcement into N-M bearing platform units along the circumferential direction of the ring beam.
In some embodiments, the modular assembled wind power extension foundation construction method further comprises the steps of:
providing a second lower anchor plate, and paving the second lower anchor plate at a position where M bearing platform units are required to be installed;
sequentially arranging M bearing platform units along the circumferential direction of the ring beam so as to define the mounting cavity together with N-M bearing platform units;
providing a second upper anchor plate, and covering the second upper anchor plate on the M bearing platform units;
providing a plurality of second anchor rods, sequentially penetrating the second anchor rods into the M bearing platform units from top to bottom, connecting the upper ends of the second anchor rods with the second upper anchor plates, and connecting the lower ends of the second anchor rods with the second lower anchor plates.
In some embodiments, the first anchoring member comprises a plurality of first upper anchor plates and a plurality of first anchor rods, wherein the "threading the first anchoring member onto a plurality of the platform units and connecting the first anchoring member with the ring beam to fix a plurality of the platform units" comprises the steps of:
after the bearing platform units are arranged at the upper ends of the ring beams, a plurality of first anchor rods sequentially penetrate through the bearing platform units from top to bottom;
and connecting the lower end of the first anchor rod with the ring beam, and connecting the upper end of the first anchor rod with the first upper anchor plate.
Drawings
FIG. 1 is an exploded schematic view of a modular assembled wind power extension foundation of an embodiment of the present invention.
Fig. 2 is a construction state diagram of the modular assembled wind power expansion foundation according to the embodiment of the present invention after assembling N-M platform units.
FIG. 3 is a construction state diagram of the modular assembled wind power expansion foundation according to the embodiment of the invention after N-M bearing platform units are penetrated into a prestressed reinforcement.
Fig. 4 is a construction state diagram of the modular assembled wind power expansion foundation according to the embodiment of the present invention after assembling M platform units.
FIG. 5 is a construction state diagram of the modular assembled wind power extension foundation of an embodiment of the present invention after the second anchor member is assembled.
FIG. 6 is a construction state diagram of a modular assembled wind power extension foundation of an embodiment of the present invention after assembly of a first anchor component.
FIG. 7 is a schematic diagram of a platform unit of a modular assembled wind power extension foundation according to an embodiment of the invention.
FIG. 8 is a schematic diagram of another view of a cap unit of a modular assembled wind power extension foundation according to an embodiment of the present invention.
FIG. 9 is a perspective view of a platform unit of a modular assembled wind power extension foundation according to an embodiment of the invention.
FIG. 10 is a schematic diagram of a platform unit of a modular assembled wind power extension foundation according to another embodiment of the invention.
FIG. 11 is a schematic view of a ring beam of a modular assembled wind power extension foundation of an embodiment of the present invention.
FIG. 12 is a schematic view of a first lower anchor plate of a modular assembled wind power expansion foundation according to an embodiment of the present invention.
FIG. 13 is a schematic view of a first upper anchor plate set of a modular assembled wind power expansion foundation according to an embodiment of the present invention.
FIG. 14 is a schematic view of a first anchor bar set of a modular assembled wind power expansion foundation according to an embodiment of the present invention.
FIG. 15 is a schematic view of a second lower anchor plate of a modular assembled wind power extension foundation according to an embodiment of the present invention.
FIG. 16 is a schematic view of a second upper anchor plate of a modular assembled wind power extension foundation according to an embodiment of the present invention.
FIG. 17 is a schematic diagram of a second anchor bar of a modular assembled wind power extension foundation of an embodiment of the present invention.
FIG. 18 is a schematic diagram of a tendon of a modular assembled wind power expansion foundation according to an embodiment of the present invention.
FIG. 19 is a construction flow diagram of a modular assembled wind power extension foundation according to an embodiment of the present invention.
Reference numerals:
1. a bearing platform unit; 11. a mounting cavity; 12. key teeth; 13. a key slot; 14. an anchor channel; 141. a starting end; 142. an anchor end; 15. a boss; 16. a waterproof adhesive tape; 17. a tendon penetrating duct;
2. a fixing assembly; 21. a ring beam; 22. a first anchor member; 221. a first lower anchor plate; 222. a first upper anchor plate group; 2221. a first upper anchor plate; 223. a first anchor bar set; 2231. a first anchor rod; 23. a second anchor member; 231. a second lower anchor plate; 232. a second upper anchor plate; 233. a second anchor rod; 24. and (5) prestressed tendons.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
A modular assembled wind power extension foundation and a construction method thereof according to an embodiment of the present invention will be described with reference to fig. 1 to 19.
As shown in fig. 1 to 6, the modular assembled wind power expansion foundation according to the embodiment of the present invention includes: the fixing assembly 2 and a plurality of independent cap units 1, the fixing assembly 2 includes ring beam 21 and first anchor part 22, and ring beam 21 locates the lower extreme of cap unit 1, and a plurality of cap units 1 are arranged in proper order around the circumference of ring beam 21 in order to inject the installation cavity 11 that is used for fixed tower section of thick bamboo, and first anchor part 22 wears to locate a plurality of cap units 1 and is connected with ring beam 21 detachably.
According to the modularized assembly type wind power expansion foundation provided by the embodiment of the invention, the plurality of bearing platform units 1 are mutually independent, so that the bearing platform units 1 can be conveniently transported, hoisted and spliced. And because the plurality of bearing platform units 1 are connected with the ring beam 21 through the first anchoring part 22, the plurality of bearing platform units 1 can form a whole, and the installation reliability of the modularized assembly type wind power expansion foundation is higher.
Therefore, the modular assembled wind power expansion foundation of the embodiment of the invention can prefabricate the bearing platform unit 1 in a factory, for example, the bearing platform unit 1 can be poured by concrete. And then the on-site assembly is carried out, so that the industrialized and modularized design of the land fan foundation construction is realized, the construction speed of the modularized assembled wind power expansion foundation is improved, the influence of severe environmental factors can be obviously overcome, and the overall construction work efficiency and the construction quality control level of the land fan foundation are improved.
Optionally, the total amount of the plurality of bearing platform units 1 is N, the number of the part bearing platform units 1 is M, the number of the other part bearing platform units 1 is N-M, the fixing assembly 2 further comprises prestressed tendons 24, and the prestressed tendons 24 are arranged in the N-M bearing platform units in a penetrating manner. When the modularized assembly type wind power expansion foundation is constructed, N-M bearing platform units can be assembled on the ring beam 21, and then the prestress ribs 24 are sequentially penetrated on the N-M bearing platform units along the circumferential direction of the ring beam 21. It will be appreciated that since the M cap units are not installed, working space is provided for tensioning and anchoring the tendons 24. And the prestress ribs 24 are arranged in the partial bearing platform unit 1 in a penetrating way, so that the stability of the modular assembled wind power expansion foundation after connection can be further improved.
Alternatively, as shown in fig. 1, 2 and 18, the number of the tendons 24 is plural, and the tendons 24 are arranged in N-M platform units at intervals. For example, the tendon 24 may be of an annular configuration with an opening. A plurality of tendons 24 are arranged on the platform unit 1. For example, the pile cap unit 1 is provided with a plurality of rib penetrating holes 17 at intervals in the circumferential direction of the ring beam 21, the plurality of rib penetrating holes 17 can be arranged at the edge position of the pile cap unit 1, and the plurality of prestressed ribs 24 sequentially penetrate through the plurality of rib penetrating holes 17, so that the connection of the pile cap unit 1 can be more reliable.
In some embodiments, as shown in fig. 1 to 4 and 15 to 17, the fixing assembly 2 further includes a second anchoring part 23, where the second anchoring part 23 includes a second lower anchor plate 231, a second upper anchor plate 232, and a plurality of second anchor rods 233, the second lower anchor plate 231 is disposed at a lower end of the M platform units, the second upper anchor plate 232 is disposed at an upper end of the M platform units, the plurality of second anchor rods 233 are respectively disposed through the M platform units, an upper end of the second anchor rods 233 is connected to the second upper anchor plate 232, and a lower end of the second anchor rods 233 is connected to the second lower anchor plate 231. Alternatively, the second anchor members 23 may be provided in plural sets. For example, the second anchor members 23 are two groups, and the two groups of second anchor members 23 are arranged at intervals along the radial direction of the ring beam 21, so as to improve the connection reliability of the M bearing platform units.
It will be appreciated that, as shown in fig. 1 to 5, before the M cushion cap units are installed, the second lower anchor plate 231 is installed at a predetermined position, and then the M cushion cap units are assembled in sequence, so that the second lower anchor plate 231 is disposed at the lower ends of the M cushion cap units. Then penetrate a plurality of second stock 233 from top to bottom in the M cushion cap units in proper order, the upper end of second stock 233 links to each other with second anchor plate 232 on, and the lower extreme of second stock 233 links to each other with second anchor plate 231 down to carry out further fixing to M cushion cap units, thereby make a plurality of cushion cap units 1 after the equipment finishes have better mechanical stability, life is longer, and the assembly work of operating personnel of being convenient for.
Alternatively, as shown in fig. 1 to 6 and 11 to 14, the first anchoring member 22 includes a first upper anchor plate group 222 and a first anchor rod group 223, the first upper anchor plate group 222 is disposed at an upper end of the platform unit 1, the first anchor rod group 223 is disposed through the plurality of platform units 1 and the ring beam 21, an upper end of the first anchor rod group 223 is connected to the first upper anchor plate group 222, and a lower end of the first anchor rod group 223 is connected to the ring beam 21.
For example, the ring beam 21 is provided with a plurality of screw holes at intervals along the circumferential direction thereof, and the lower end of the first anchor rod group 223 is screw-fitted into the plurality of screw holes of the ring beam 21, thereby fixing the ring beam 21 and the first anchor rod group 223 relatively.
As another example, as shown in fig. 1 and 12, the first anchoring member 22 further includes a first lower anchor plate 221, the first lower anchor plate 221 is provided at a lower end of the ring beam 21, and a lower end of the first anchor rod group 223 passes through the ring beam 21 and is connected to the first lower anchor plate 221 to relatively fix the ring beam 21 and the first anchor rod group 223.
It will be appreciated that, as shown in fig. 1 to 6, the first lower anchor plate 221 is provided at the lower end of the ring beam 21 before the plurality of platform units 1 are installed at the upper end of the ring beam 21. After the assembly of the N bearing platform units is completed, the first anchor rod group 223 can sequentially penetrate into the N bearing platform units from top to bottom, the upper end of the first anchor rod group 223 is connected with the first upper anchor plate group 222, and the lower end of the first anchor rod group 223 penetrates through the bearing platform unit 1 and the ring beam 21 and then is connected with the first lower anchor plate 221, so that the N bearing platform units are further fixed, a plurality of bearing platform units 1 after the assembly is completed have better mechanical stability, the service life is longer, and the assembly work of operators is facilitated.
Further, as shown in fig. 1 to 6, the first upper anchor plate group 222 includes a plurality of independent first upper anchor plates 2221, the first anchor plate group 223 includes a plurality of first anchor rods 2231, the plurality of first upper anchor plates 2221, the plurality of first anchor rods 2231 and the plurality of platform units 1 are in one-to-one correspondence, the upper end of the first anchor rods 2231 is connected with the first upper anchor plates 2221, and the lower end of the first anchor rods 2231 is connected with the first lower anchor plates 221, so that an operator can fix the plurality of first anchor rods 2231 in the plurality of platform units 1 conveniently due to one-to-one correspondence of the plurality of first anchor plates 2221, and the modular assembled wind power expansion foundation is reasonable in structural design and simple in assembly process.
In some embodiments, as shown in fig. 7 to 10, one of the two adjacent platform units 1 is provided with a key tooth 12, the other is provided with a key groove 13, the key tooth 12 and the key groove 13 extend along the radial direction of the ring beam 21, and the key tooth 12 is matched with the key groove 13. Since the key teeth 12 and the key grooves 13 extend in the radial direction of the ring beam 21, the cap units 1 are pushed into the predetermined positions in the radial direction of the ring beam 21, and the connection reliability between the adjacent cap units 1 is high.
Specifically, as shown in fig. 7 to 10, the platform unit 1 has two side elevation surfaces arranged opposite to each other along the circumferential direction of the ring beam 21, wherein one side elevation surface is provided with a key slot 13, and the other side elevation surface is provided with a key tooth 12, so that the structural design of the platform unit 1 is simple, and the plurality of platform units 1 after assembly are more stable.
Further, the key teeth 12 are provided with at least two groups in the up-down direction, and the key grooves 13 are provided with at least two groups in the up-down direction. In the embodiment of the present invention, the key teeth 12 and the key grooves 13 are each provided with two sets. The two sets of key teeth 12 are in one-to-one correspondence with the two sets of key grooves 13, so that the connection between the bearing platform units 1 is more stable.
Optionally, the included angle between the two side elevation surfaces is greater than or equal to 5 degrees and less than or equal to 15 degrees. For example, the angle between the two side elevations may be 5 °, 8 °, 10 °, 12 ° or 15 °. The inventor of the application finds through experimental study that when the included angle between two side elevation is located above-mentioned scope, can make the structural design of cushion cap unit 1 reasonable, the wholeness after the assembly is better, stability is higher.
In some embodiments, as shown in fig. 9, an anchoring channel 14 is provided in the platform unit 1, the anchoring channel 14 has a start end 141 and an anchoring end 142, the start end 141 is provided on the upper end surface of the platform unit 1, the anchoring end 142 is provided on the end of the platform unit 1 adjacent to the installation cavity 11, and the anchoring channel 14 is used for penetrating a bolt connected with the tower. It can be appreciated that when the tower is assembled, the bottom of the tower is firstly installed in the installation cavity 11, and then the anchor rod passes through the anchoring channel 14 and is connected with the side wall of the bottom of the tower, so that the structure of the modular assembled wind power expansion foundation installation tower is more stable, and the use effect is better.
Alternatively, as shown in fig. 7 to 10, the platform unit 1 is provided with a boss 15, and the start end 141 is provided on the boss 15. It will be appreciated that the level of the boss 15 is high, so that the probability of rainwater entering the installation cavity 11 from the anchor channel 14 can be reduced, and the use effect of the modular assembled wind power expansion foundation is better.
Further, as shown in fig. 10, the modular assembled wind power expansion foundation further comprises a waterproof adhesive tape 16, and the waterproof adhesive tape 16 is arranged between two adjacent bearing platform units 1. It can be appreciated that the gaps between two adjacent bearing platform units 1 are sealed through the waterproof adhesive tape 16, so that the situation that rainwater or sundries enter the gaps between the bearing platform units 1 to influence the service life of the modularized assembly type wind power expansion foundation can be avoided. Furthermore, structural adhesive can be arranged between two adjacent bearing platform units 1, so that the bearing platform units 1 are more firmly connected, and the stability of the modular assembled wind power expansion foundation after installation is improved.
As shown in fig. 1 to 6, a construction method of a modular assembled wind power extension foundation according to another embodiment of the present invention is applied to the modular assembled wind power extension foundation of the above embodiment, and the construction method of the modular assembled wind power extension foundation includes the steps of:
providing a ring beam 21, and arranging the ring beam 21 on a target site;
providing a plurality of independent bearing platform units 1, and arranging the plurality of bearing platform units 1 in sequence along the circumferential direction of the ring beam 21 so as to define a mounting cavity 11 for fixing the tower;
the first anchor member 22 is provided, the first anchor member 22 is inserted into the plurality of cap units 1, and the first anchor member 22 is connected to the ring beam 21 to fix the plurality of cap units 1.
According to the construction method of the modularized assembly type wind power expansion foundation, which is another embodiment of the invention, as the plurality of bearing platform units 1 are mutually independent, the bearing platform units 1 can be conveniently transported, hoisted and spliced. And because the plurality of bearing platform units 1 are connected with the ring beam 21 through the first anchoring part 22, the plurality of bearing platform units 1 can form a whole, and the installation reliability of the modularized assembly type wind power expansion foundation is higher.
Wherein the "arranging the plurality of cap units 1 in sequence along the circumference of the ring beam 21 to define the installation cavity 11 for fixing the tower" further comprises the steps of:
arranging N-M bearing platform units in sequence along the circumferential direction of the ring beam 21;
the tendons 24 are provided, and the tendons 24 are arranged in N-M bearing platform units in a penetrating manner along the circumferential direction of the ring beam 21.
When the construction method of the modularized assembly type wind power expansion foundation is constructed in the mode, N-M bearing platform units can be assembled on the ring beam 21, and then the prestress ribs 24 are sequentially penetrated on the N-M bearing platform units along the circumferential direction of the ring beam 21. It will be appreciated that since the M cap units are not installed, working space is provided for tensioning and anchoring the tendons 24. And the prestress ribs 24 are arranged in the partial bearing platform unit 1 in a penetrating way, so that the stability of the modular assembled wind power expansion foundation after connection can be further improved.
Further, a second lower anchor plate 231 is provided, and the second lower anchor plate 231 is paved at a position where M bearing platform units are required to be installed;
the M bearing platform units are sequentially arranged along the circumferential direction of the ring beam 21 to define the installation cavity 11 together with the N-M bearing platform units, for example, the M bearing platform units can be moved into the reserved space by adopting a horizontal translation construction method;
providing a second upper anchor plate 232, and covering the second upper anchor plate 232 on the M bearing platform units;
a plurality of second anchor rods 233 are provided, the plurality of second anchor rods 233 are sequentially arranged in the M bearing platform units in a penetrating mode from top to bottom, the upper ends of the second anchor rods 233 are connected with the second upper anchor plates 232, and the lower ends of the second anchor rods 233 are connected with the second lower anchor plates 231.
According to the construction method of the modularized assembly type wind power expansion foundation, provided by the embodiment of the invention, the second lower anchor plate 231, the second upper anchor plate 232 and the plurality of second anchor rods 233 are arranged, so that the M bearing platform units are further fixed, the plurality of bearing platform units 1 after assembly are better in mechanical stability, longer in service life and convenient for assembly work of operators.
Further, "the first anchor member 22 is inserted through the plurality of cap units 1 and the first anchor member 22 is connected to the ring beam 21 to fix the plurality of cap units 1" includes the steps of:
before the plurality of platform units 1 are mounted on the upper end of the ring beam 21, a first lower anchor plate 221 is arranged on the lower end of the ring beam 21;
after the plurality of platform units 1 are installed at the upper ends of the ring beams 21, a plurality of first anchor rods 2231 are sequentially penetrated into the plurality of platform units 1 from top to bottom;
the lower end of the first anchor rod 2231 is connected to the first lower anchor plate 221, and the upper end of the first anchor rod 2231 is connected to the first upper anchor plate 2221. It will be appreciated that after the second anchor member 23 is assembled to the M cap units, the lower end of the first anchor rod group 223 may be connected to the second lower anchor plate 231 after passing through the cap units 1 and the ring beam 21, so as to further fix the N cap units, thereby enabling the assembled multiple cap units 1 to have better mechanical stability, longer service life, and being convenient for the assembly work of operators.
As shown in fig. 19, a specific embodiment of a construction method of the modular assembled wind power extension foundation of the present invention is described below.
S1: selecting a target site, leveling the target site, and performing paying-off measurement;
s2: placing the first lower anchor plate 221 and the ring beam 21 to a designated position, with the first lower anchor plate 221 located at the lower end of the ring beam 21;
s3: arranging N-M bearing platform units in sequence along the circumferential direction of the ring beam 21;
s4: providing a prestressed rib 24, and penetrating the prestressed rib 24 into N-M bearing platform units along the circumferential direction of the ring beam 21;
s5: providing a second lower anchor plate 231, and paving the second lower anchor plate 231 at a position where M bearing platform units are required to be installed;
s6: the M bearing platform units are sequentially arranged along the circumferential direction of the ring beam 21 so as to jointly define an installation cavity 11 with the N-M bearing platform units;
s7: providing a second upper anchor plate 232, and covering the second upper anchor plate 232 on the M bearing platform units;
s8: providing a plurality of second anchor rods 233, sequentially penetrating the plurality of second anchor rods 233 into the M bearing platform units from top to bottom, wherein the upper ends of the second anchor rods 233 are connected with the second upper anchor plates 232, and the lower ends of the second anchor rods 233 are connected with the second lower anchor plates 231;
s9: the plurality of first anchor rods 2231 are sequentially arranged in the plurality of platform units 1 in a penetrating manner from top to bottom, the lower ends of the first anchor rods 2231 are connected with the first lower anchor plate 221, and the upper ends of the first anchor rods 2231 are connected with the first upper anchor plate 2221.
S10: a waterproof adhesive tape 16 is arranged between every two adjacent bearing platform units 1 so as to realize the waterproof of the splicing seams.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the invention.

Claims (11)

1. A modular assembled wind power extension foundation comprising: the fixing assembly (2) comprises a ring beam (21) and a first anchoring part (22), the ring beam (21) is arranged at the lower end of the bearing platform unit (1), the bearing platform units (1) are sequentially arranged around the circumference of the ring beam (21) to define a mounting cavity (11) for fixing a tower drum, and the first anchoring part (22) penetrates through the bearing platform units (1) and is detachably connected with the ring beam (21);
the total amount of the plurality of bearing platform units (1) is N, the number of part of bearing platform units (1) is M, the number of the other part of bearing platform units (1) is N-M, the fixing assembly (2) further comprises a plurality of prestressed tendons (24), the plurality of prestressed tendons (24) are arranged in the N-M bearing platform units (1) at intervals, the bearing platform units (1) are provided with a plurality of reinforcement penetrating holes (17) at intervals in the circumferential direction of the ring beam (21), the plurality of reinforcement penetrating holes (17) are arranged at the edge positions of the bearing platform units (1), and the plurality of prestressed tendons (24) are sequentially arranged in the plurality of reinforcement penetrating holes (17) in a penetrating mode;
the fixing assembly (2) further comprises a second anchoring part (23), the second anchoring part (23) comprises a second lower anchor plate (231), a second upper anchor plate (232) and a plurality of second anchor rods (233), the second lower anchor plate (231) is arranged at the lower ends of the M bearing platform units (1), the second upper anchor plate (232) is arranged at the upper ends of the M bearing platform units (1), the plurality of second anchor rods (233) are respectively arranged at the M bearing platform units (1) in a penetrating mode, the upper ends of the second anchor rods (233) are connected with the second upper anchor plates (232), and the lower ends of the second anchor rods (233) are connected with the second lower anchor plates (231);
two adjacent cushion cap units (1) are equipped with key tooth (12) on one, be equipped with keyway (13) on the other, key tooth (12) with keyway (13) are all followed the radial extension of ring beam (21), key tooth (12) with keyway (13) cooperation, key tooth (12) are provided with two sets of along upper and lower direction at least, keyway (13) are provided with two sets of at least along upper and lower direction, two sets of key tooth (12) and two sets of keyway (13) one-to-one.
2. The modular wind power expansion foundation according to claim 1, wherein the first anchoring part (22) comprises a first upper anchor plate group (222) and a first anchor rod group (223), the first upper anchor plate group (222) is arranged at the upper end of the bearing platform unit (1), the first anchor rod group (223) penetrates through a plurality of the bearing platform units (1) and the ring beam (21), the upper end of the first anchor rod group (223) is connected with the first upper anchor plate group (222), and the lower end of the first anchor rod group (223) is connected with the ring beam (21).
3. The modular wind power expansion foundation according to claim 2, wherein the first upper anchor plate group (222) comprises a plurality of independent first upper anchor plates (2221), the first anchor plate group (223) comprises a plurality of first anchor rods (2231), the plurality of first upper anchor plates (2221), the plurality of first anchor rods (2231) and the plurality of platform units (1) are in one-to-one correspondence, the upper ends of the first anchor rods (2231) are connected with the first upper anchor plates (2221), and the lower ends of the first anchor rods (2231) are connected with the ring beams (21).
4. The modular assembled wind power expansion foundation according to claim 1, wherein the bearing platform unit (1) is provided with two side elevation surfaces which are arranged oppositely along the circumferential direction of the ring beam (21), and an included angle between the two side elevation surfaces is more than or equal to 5 degrees and less than or equal to 15 degrees.
5. The modular assembled wind power expansion foundation according to claim 1, wherein an anchoring channel (14) is arranged in the bearing platform unit (1), the anchoring channel (14) is provided with a starting end (141) and an anchoring end (142), the starting end (141) is arranged on the upper end face of the bearing platform unit (1), the anchoring end (142) is arranged on one end, adjacent to the installation cavity (11), of the bearing platform unit (1), and the anchoring channel (14) is used for penetrating an anchor rod connected with the tower.
6. The modular wind power expansion foundation according to claim 5, characterized in that the platform unit (1) is provided with a boss (15), and the start end (141) is arranged on the boss (15).
7. The modular assembled wind power expansion foundation according to claim 1, further comprising a waterproof adhesive tape (16), wherein the waterproof adhesive tape (16) is arranged between two adjacent bearing platform units (1).
8. A modular assembled wind power expansion foundation construction method, characterized in that the modular assembled wind power expansion foundation is the modular assembled wind power expansion foundation according to any one of claims 1-7, comprising the following steps:
providing a ring beam (21), and arranging the ring beam (21) on a target site;
providing a plurality of independent bearing platform units (1), and arranging the plurality of bearing platform units (1) in sequence along the circumferential direction of the ring beam (21) so as to define an installation cavity (11) for fixing a tower;
providing a first anchoring part (22), penetrating the first anchoring part (22) to a plurality of bearing platform units (1), and connecting the first anchoring part (22) with the ring beam (21) so as to fix the plurality of bearing platform units (1).
9. The modular wind power expansion foundation construction method according to claim 8, wherein the total number of the plurality of bearing platform units (1) is N, the number of part of the bearing platform units (1) is M, the number of the other part of the bearing platform units (1) is N-M,
wherein the step of arranging the plurality of the platform units (1) in sequence along the circumferential direction of the ring beam (21) to define the installation cavity (11) for fixing the tower further comprises the steps of:
arranging N-M bearing platform units (1) in sequence along the circumferential direction of the ring beam (21);
and providing a prestressed tendon (24), and penetrating the prestressed tendon (24) into the N-M bearing platform units (1) along the circumferential direction of the ring beam (21).
10. The modular assembled wind power expansion foundation construction method of claim 9, further comprising the steps of:
providing a second lower anchor plate (231), and paving the second lower anchor plate (231) at a position where M bearing platform units (1) are required to be installed;
arranging M bearing platform units (1) in sequence along the circumferential direction of the ring beam (21) so as to define the installation cavity (11) together with the N-M bearing platform units (1);
providing a second upper anchor plate (232), and covering the second upper anchor plate (232) on the M bearing platform units (1);
providing a plurality of second anchor rods (233), enabling the second anchor rods (233) to sequentially penetrate through M bearing platform units (1) from top to bottom, enabling the upper ends of the second anchor rods (233) to be connected with the second upper anchor plates (232), and enabling the lower ends of the second anchor rods (233) to be connected with the second lower anchor plates (231).
11. The modular wind power extension foundation construction method according to claim 8, wherein the first anchoring member (22) comprises a plurality of first upper anchor plates (2221) and a plurality of first anchor rods (2231), wherein "threading the first anchoring member (22) onto a plurality of the platform units (1) and connecting the first anchoring member (22) with the ring beam (21) to fix the plurality of the platform units (1)" comprises the steps of:
after the bearing platform units (1) are installed at the upper ends of the ring beams (21), sequentially penetrating the first anchor rods (2231) into the bearing platform units (1) from top to bottom;
the lower end of the first anchor rod (2231) is connected with the ring beam (21), and the upper end of the first anchor rod (2231) is connected with the first upper anchor plate (2221).
CN202210802082.6A 2022-07-08 2022-07-08 Modularized assembled wind power expansion foundation and construction method thereof Active CN115110567B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015131A1 (en) * 1979-02-19 1980-09-03 Timothy Michael Gilchrist Support structure for wind-powered electric generators
RU167022U1 (en) * 2016-06-02 2016-12-20 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") MODULAR FOUNDATION OF A WIND POWER PLANT
CN108867683A (en) * 2018-06-08 2018-11-23 中国建筑第二工程局有限公司 A kind of removable basic and its construction method of rail mounted
CN109295994A (en) * 2018-11-06 2019-02-01 重庆大学 A kind of full assembled composite structure wind-power tower basis
CN111809652A (en) * 2020-08-14 2020-10-23 天津大学 Assembled gravity wind power foundation structure and construction method thereof
CN215669649U (en) * 2021-09-06 2022-01-28 胡海翔 Wind power tower cylinder foundation and wind power tower
CN114351751A (en) * 2022-01-12 2022-04-15 重庆大学 Lightweight assembly type wind power structure foundation and assembly method thereof
CN114576098A (en) * 2022-03-23 2022-06-03 中国华能集团清洁能源技术研究院有限公司 Foundation prefabricated part, wind generating set foundation and wind generating set
CN217630065U (en) * 2022-07-08 2022-10-21 哈尔滨工业大学 Bearing platform unit and modularized assembly type wind power expansion foundation with same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008036934A2 (en) * 2006-09-21 2008-03-27 Ahmed Phuly Partially prefabricated modular foundation system
US8720139B2 (en) * 2012-03-30 2014-05-13 Allan P. Henderson Cementitious foundation cap with post-tensioned helical anchors

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015131A1 (en) * 1979-02-19 1980-09-03 Timothy Michael Gilchrist Support structure for wind-powered electric generators
RU167022U1 (en) * 2016-06-02 2016-12-20 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") MODULAR FOUNDATION OF A WIND POWER PLANT
CN108867683A (en) * 2018-06-08 2018-11-23 中国建筑第二工程局有限公司 A kind of removable basic and its construction method of rail mounted
CN109295994A (en) * 2018-11-06 2019-02-01 重庆大学 A kind of full assembled composite structure wind-power tower basis
CN111809652A (en) * 2020-08-14 2020-10-23 天津大学 Assembled gravity wind power foundation structure and construction method thereof
CN215669649U (en) * 2021-09-06 2022-01-28 胡海翔 Wind power tower cylinder foundation and wind power tower
CN114351751A (en) * 2022-01-12 2022-04-15 重庆大学 Lightweight assembly type wind power structure foundation and assembly method thereof
CN114576098A (en) * 2022-03-23 2022-06-03 中国华能集团清洁能源技术研究院有限公司 Foundation prefabricated part, wind generating set foundation and wind generating set
CN217630065U (en) * 2022-07-08 2022-10-21 哈尔滨工业大学 Bearing platform unit and modularized assembly type wind power expansion foundation with same

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
张学森等.海上风机支撑结构状态监测研究进展.2022,第1-7页. *
海上风电高桩承台基础钢筋模块化预制安装技术;郭新杰;黄炳南;;中国港湾建设(03);第23-25页 *
重力式海上风电机组基础施工技术;高宏飙;孙小钎;;风能(05);第14-17页 *

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