A wind farm wind turbine foundation automatic design method and device

Abstract

The application discloses a kind of wind farm wind turbine foundation automatic design method and device, the method is for shallow buried foundation, using the way of multiple iteration calculation, calculate the wind turbine foundation design result, finally calculate the wind turbine foundation design result and engineering quantity.For deep foundation, adopt automatic matching preset foundation engineering quantity, then according to load range meets design result, according to geological condition matching pile foundation design result, finally calculate the wind turbine foundation design result and engineering quantity.The method of the application has strong operability, improves the degree of automation design of wind farm wind turbine foundation, greatly reduces the process of wind turbine foundation design under the requirement of meeting the reliability of wind turbine foundation bearing capacity, has very strong engineering applicability, at the same time, it is suitable for domestic and foreign wind power industry wind turbine foundation automatic design, fills the blank in the field of wind farm wind turbine foundation automatic design and engineering quantity calculation.

Description

Technical Field

[0001] This invention relates to the field of wind power technology, and in particular to an automatic design method and device for wind turbine foundations in wind farms. Background Technology

[0002] With the advancement of grid parity for wind power and the continued development of large-scale wind power base projects, according to the large-scale wind power base projects that started construction in 2021, one base in Gansu has a planned capacity of 13.95 million kilowatts, and conventional large-scale base projects also reach 2-3 million kilowatts. The traditional wind turbine foundation design process of design institutes is to first obtain load data from the wind turbine manufacturer, and then manually calculate the foundation type and engineering quantity one by one.

[0003] Such a large-scale wind farm project, with its diverse wind conditions and turbine models, means diverse turbine loads and foundations. Relying on manual verification of each turbine is destined to fail to provide a solution with the optimal LCOE for the entire site, and the design cycle is also lengthy. In the era of grid parity, the cost pressures at every stage of wind farm development are enormous. Considering the "quick and efficient" nature of the wind power industry, the traditional method of manual foundation verification is no longer suitable for market demands. Summary of the Invention

[0004] The main objective of this invention is to provide an automatic design method and device for wind turbine foundations in wind farms. This aims to address pain points in the industry's development, overcome the shortcomings of existing design methods, and propose an automatic design and quantity calculation method for wind turbine foundations. It enables rapid iteration of multiple schemes and recommends the foundation scheme with the optimal quantity based on the LCOE (Limited Cost of Engineering) principle. For engineering technicians designing wind farms, this allows for the rapid design of matching technical solutions, improving work efficiency and demonstrating strong practicality, thus filling a gap in the field of automatic design and quantity calculation for wind turbine foundations.

[0005] To achieve the above objectives, the present invention provides an automatic design method for wind turbine foundations in wind farms, the method comprising the following steps:

[0006] S1: Determine the foundation type for the target wind turbine based on site conditions;

[0007] S2: When the foundation type is a shallow foundation, determine the radius value R of the target wind turbine foundation, obtain the foundation design result based on the radius value R, and match it with the corresponding foundation standard engineering quantity list in the database;

[0008] S4: Based on the aforementioned basic standard bill of quantities, obtain the basic engineering quantities, and verify the basic engineering quantities to obtain the final bill of quantities;

[0009] S5: When the foundation type is a deep foundation, match the corresponding standard bill of quantities for pile foundations based on the foundation information of the target wind turbine foundation;

[0010] S6: Based on the standard bill of quantities for pile foundations, obtain the quantities of pile foundations and verify them to obtain the final bill of quantities.

[0011] Optionally, in step S1: the site conditions include topography, geography, and hydrology.

[0012] Optionally, step S2 specifically includes:

[0013] When the foundation type is a shallow foundation, the standard value of the bending moment load M under normal operating conditions acting on the top of the foundation is used. k and the standard value of vertical force acting on the top of the foundation under normal operating conditions Iterate to obtain the radius value R of the target wind turbine foundation;

[0014] Based on the radius value R, the basic design results are obtained and matched with the corresponding basic standard engineering quantity list in the database.

[0015] Optionally, the iterative calculation of the radius value R of the target wind turbine foundation specifically includes:

[0016] Obtain the initial radius value, and obtain the height of the basic frustum based on the radius value. Then, use the height of the basic frustum to obtain the eccentricity corresponding to the current radius value.

[0017] Determine whether the eccentricity does not exceed a preset threshold. If not, iteratively update the radius value until the eccentricity does not exceed the preset threshold.

[0018] Optionally, the expression for the eccentricity is:

[0019]

[0020]

[0021]

[0022]

[0023]

[0024]

[0025]

[0026] ;

[0027] in, It is the eccentricity; The standard value of the base weight plus the backfill load is given in kN. The standard value of the vertical force acting on the top of the foundation is expressed in kN. The volume of the foundation concrete, in m3; The self-weight of the foundation concrete, kN; Based on the soil cover volume, m 3 ; The self-weight of the soil covering the foundation, kN; The height of the basic frustum is calculated using the formula, and the absolute value is taken. This represents the standard value of the bending moment load acting on the top of the foundation.

[0028] Optionally, the expression for iteratively updating the radius value is:

[0029] R 更新后 =R 更新前 +0.25.

[0030] Optionally, in step S5, the basic information includes the foundation type, foundation diameter, single pile diameter, single pile length, and number of piles.

[0031] Optionally, in step S4, the basic engineering quantities are reviewed to obtain the final engineering quantity list, which specifically includes: determining whether to increase the foundation treatment engineering quantity based on the geological conditions of the wind field, reviewing the foundation treatment, and obtaining the final engineering quantity list.

[0032] Optionally, in step S6, the quantity of the pile foundation work is reviewed to obtain a final bill of quantities, which specifically includes: reviewing the quantity of the pile foundation work according to the load range, matching the quantity of the pile foundation work according to the geological conditions, and obtaining a final bill of quantities.

[0033] Furthermore, to achieve the above objectives, the present invention also provides an automatic design device for wind turbine foundations in wind farms, the automatic design device for wind turbine foundations in wind farms comprising:

[0034] The foundation type determination module is used to determine the foundation type of the target wind turbine foundation based on site conditions;

[0035] The basic standard bill of quantities determination module is used to determine the radius value R of the target wind turbine foundation when the foundation type is a shallow foundation, obtain the foundation design result based on the radius value R, and match the corresponding basic standard bill of quantities in the database.

[0036] The basic final bill of quantities determination module is used to obtain the basic quantities of works based on the basic standard bill of quantities, and to verify the basic quantities of works to obtain the final bill of quantities.

[0037] The standard quantity list determination module for pile foundations is used to match the corresponding standard quantity list for pile foundations based on the foundation information of the target wind turbine foundation when the foundation type is a deep foundation.

[0038] The final bill of quantities determination module for pile foundations is used to obtain the quantities of pile foundations based on the standard bill of quantities for pile foundations, and to verify the quantities of pile foundations to obtain the final bill of quantities.

[0039] This invention proposes an automatic design method and device for wind turbine foundations in wind farms. For shallow foundations, the method employs multiple iterative calculations to determine the foundation design results and final quantities. For deep foundations, it automatically matches preset foundation quantities, then matches the pile foundation design results based on load range and geological conditions, ultimately calculating the foundation design results and quantities. This method is highly operable, improving the automation level of wind turbine foundation design while significantly reducing the design process while meeting the reliability requirements of foundation bearing capacity. It has strong engineering applicability and is suitable for automatic design of wind turbine foundations in both domestic and international wind power industries, filling a gap in the field of automatic design and quantity calculation for wind turbine foundations in wind farms. Attached Figure Description

[0040] Figure 1 This is a flowchart illustrating an automatic design method for wind turbine foundations in a wind farm, as described in an embodiment of the present invention.

[0041] Figure 2 This is a schematic diagram of a typical cross-section of a shallow-buried extended foundation in an embodiment of the present invention;

[0042] Figure 3 This is a schematic diagram of the foundation cap in an embodiment of the present invention;

[0043] Figure 4 This is a cross-sectional schematic diagram in an embodiment of the present invention;

[0044] Figure 5 This is a plan view of the pile foundation in an embodiment of the present invention.

[0045] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0046] It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0047] Currently, in related technical fields, existing wind farm turbine foundation designs first obtain load data from wind turbine manufacturers, and then manually calculate the foundation type and workload for each turbine. For such large-scale projects with varying wind conditions and diverse turbine models, this means diverse turbine loads and foundations. Relying on manual verification for each turbine inevitably fails to provide a solution with the optimal LCOE for the entire site, and the design cycle is lengthy. In the era of grid parity, the cost pressures at every stage of wind farm development are enormous. Considering the "quick and efficient" nature of the wind power industry, the traditional method of manually verifying foundations is no longer suitable for market demands.

[0048] To address this issue, various embodiments of the automatic design method for wind turbine foundations in wind farms according to the present invention are proposed. The automatic design method for wind turbine foundations provided by the present invention, while meeting the requirements for accurate analysis of wind turbine foundation design requirements and calculation of wind farm wind turbine foundation engineering quantities, reduces reliance on experience, improves the design efficiency of wind turbine foundations, meets the design requirements of wind turbine foundations, and automatically recommends wind turbine foundations based on the unit load and geological topography of different turbine models.

[0049] This invention provides an automatic design method for wind turbine foundations in wind farms, referring to... Figure 1 , Figure 1 This is a flowchart illustrating an embodiment of the automatic design method for wind turbine foundations in wind farms according to the present invention.

[0050] In this embodiment, the automatic design method for wind turbine foundations in wind farms includes the following steps:

[0051] 1) Determination of basic form

[0052] Wind turbine foundations can be broadly classified into two categories: shallow foundations and deep foundations. The type of foundation must be determined based on the site's topography and geological conditions. Different foundation types require different considerations during foundation design, making this first step crucial.

[0053] 2) Shallow foundation design [Choose one of steps 2 and 3]

[0054] The shallow-buried wind turbine foundation design in this invention satisfies the following two conditions:

[0055] The basic design does not take into account the amount of foundation treatment work, which is counted separately.

[0056] In the basic design, the groundwater level is always considered to be below the foundation depth. If the water level is high, a separate analysis and calculation will be performed.

[0057] Typical cross-section of shallow buried extended foundation is as follows: Figure 2 .

[0058] The calculation formulas involved are as follows:

[0059]

[0060]

[0061]

[0062]

[0063]

[0064]

[0065]

[0066]

[0067] Explanation of parameters in the formula:

[0068] Eccentricity;

[0069] The standard value of the foundation self-weight plus the backfill load, in kN;

[0070] The standard value of the vertical force acting on the top of the foundation, in kN;

[0071] Foundation concrete volume, m 3 ;

[0072] Self-weight of foundation concrete, kN;

[0073] The volume of soil cover on the foundation, in m 3 ;

[0074] The self-weight of the soil covering the foundation is kN;

[0075] The height of the basic frustum is calculated using the formula and then the absolute value is taken.

[0076] The standard value of the bending moment load acting on the top of the foundation.

[0077] 3) Deep foundation design

[0078] To facilitate the work in this phase, the foundation cap is constructed according to... Figure 3 Consideration should be given to uniform dimensions.

[0079] Number of foundation piles: 30 precast pipe piles are considered; 25 cast-in-place piles are considered.

[0080] The design of the foundation and pile foundation does not take into account the groundwater level and site flood control requirements.

[0081] Taking into account factors such as pile diameter, market supply, transportation, and construction conditions (pile-forming machinery, groundwater level, etc.), the following unified standards will be followed in this stage: PHC piles will be designed with a diameter of 600mm, and cast-in-place piles with a diameter of 800mm. Figure 3 , Figure 4 and Figure 5 These respectively show the foundation cap plan, cross-sectional view, and pile foundation layout plan.

[0082] 4) Determining the quantity of work based on design parameters

[0083] For shallow foundations, the foundation design results are calculated iteratively based on the unit load, and the foundation engineering quantities are matched accordingly. For deep foundations, the pre-set foundation engineering quantities are matched, and the pile foundation design results are matched based on the load range and geological conditions.

[0084] 5) Output the bill of quantities

[0085] Output the bill of quantities and provide the corresponding cost.

[0086] This embodiment provides an automated design method for wind turbine foundations in wind farms. For shallow foundations, a multi-iterative calculation method is used to calculate the foundation design results, ultimately determining the foundation design outcome and quantities. For deep foundations, an automatic matching of preset foundation quantities is employed. Then, based on the load range conforming to the design results and geological conditions, the pile foundation design results are matched, ultimately calculating the foundation design outcome and quantities. This method is highly operable, improving the automation level of wind turbine foundation design in wind farms. While meeting the reliability requirements of foundation bearing capacity, it significantly reduces the design process. This method has strong engineering applicability and is suitable for automated design of wind turbine foundations in both domestic and international wind power industries. It fills a gap in the field of automated design and quantity calculation for wind turbine foundations in wind farms.

[0087] To more clearly explain this application, a specific example of an automatic design method for wind turbine foundations in wind farms is presented.

[0088] In this embodiment, an automatic design method for wind turbine foundations in a wind farm includes the following specific implementation steps:

[0089] 1) Determination of basic form

[0090] The foundation type (shallow or deep) needs to be determined based on the site's topography and geological conditions. The foundation type (shallow / deep) is determined according to site conditions (topography, geology, hydrology). Different foundation types require different reference conditions during foundation design. Bearing capacity characteristic value, Standard Penetration Test (SPT) compaction number, compression modulus, and compression coefficient can be used to determine the type of wind turbine foundation. The foundation type can be automatically determined based on other input parameters, or it can be manually specified.

[0091] The bearing capacity characteristic values ​​are derived from geological survey data;

[0092] Standard penetration test (SPT) numbers are derived from geological survey data;

[0093] The compression modulus comes from geological survey data;

[0094] The compression coefficient is derived from geological survey data.

[0095] Basic form (optional):

[0096] The basic form can be automatically determined based on other input parameters, or it can be specified manually.

[0097] 2) Shallow-buried foundation design

[0098] 2) and 3) are chosen from the result of step 1). When the basic form is chosen as 2):

[0099] For shallow foundations, the input includes the standard value of the bending moment load Mk and the standard value of the vertical force Kn acting on the top of the foundation under normal operating conditions. The system iterates to calculate the radius R of the wind turbine foundation. Initially, it is 9 meters, and each iteration adds 0.25 meters to the previous value.

[0100] ① Given initial values ​​R = m (R1 = 9 + 0.25, R2 = R1 + 0.25 ... Ri = Ri-1 + 0.25);

[0101] ② Calculate h2;

[0102] ③ Calculate based on the proposed foundation dimensions. and The conclusion is ;

[0103] ④ Based on known information , and Calculate the eccentricity e;

[0104] ⑤ Determine if the eccentricity e ≤ 0.22. If not, return to step one to redetermine R1.

[0105] ⑥ After calculating the eccentricity to meet the requirements of item ⑤, select the R value, output the basic design structure, and match the standardized bill of quantities corresponding to the R value in the database.

[0106] 3) Deep foundation design

[0107] 2) and 3) are chosen based on the result of 1). When the basic form is chosen as 3):

[0108] To facilitate the work in this phase, the foundation cap is constructed according to... Figure 3 For uniform dimensions, the number of foundation piles is as follows: 30 precast pipe piles and 25 cast-in-place piles. The design of the pile cap and pile foundation will not consider groundwater level or site flood control requirements. Taking into account factors such as pile diameter, market supply, transportation, and construction conditions (pile-forming machinery, groundwater level, etc.), the following unified standards will be followed at this stage: PHC pile diameter will be 600mm, and cast-in-place pile diameter will be 800mm.

[0109] The system matches the standard bill of quantities for pile foundations based on the foundation type, foundation diameter, single pile diameter, single pile length, and number of piles.

[0110] ① Select the pile type (precast pile / cast-in-place pile) based on the site's geological conditions.

[0111] ② Calculate the pile length based on the load under extreme working conditions of the selected machine model (the initial matching pile length is 30m).

[0112] ③ Calculate and verify the pile length based on the collected geological parameters of the project, and adjust the pile length accordingly; if there are no geological parameters, verify the selected 30m pile length based on the situation of similar projects in the adjacent area, and adjust the pile length as needed.

[0113] 4) Determining the quantity of work based on design parameters

[0114] For shallow foundations, the foundation design results are calculated iteratively based on the unit load, and the foundation engineering quantities are matched accordingly. For deep foundations, the pre-set foundation engineering quantities are matched, and the pile foundation design results are matched based on the load range and geological conditions.

[0115] 5) Output the bill of quantities

[0116] Output the bill of quantities and provide the corresponding cost.

[0117] When the basic form is 2), it is determined whether to increase the amount of foundation treatment work or to conduct a review of the foundation treatment based on the geological conditions of the wind field. Then, a complete bill of quantities is output, which includes: earthwork excavation, rock excavation, earthwork backfilling, concrete, subbase concrete, steel reinforcement installation, prestressed anchor bolts, drainage pipes, polyvinyl alcohol fiber, high-strength grouting material, settlement monitoring, wind turbine site beautification, wire mesh fencing, etc.

[0118] When the foundation type is 3), match the preset foundation engineering quantity, and match the pile foundation design result according to the load range and geological conditions. After verifying the result, output a complete bill of quantities, which includes: earthwork excavation, earthwork backfilling, C40 foundation concrete, steel reinforcement, 500mm thick crushed stone soil cushion layer, C20 foundation cushion concrete, φ50 PVC drainage pipe, polyvinyl alcohol fiber material, C80 high-strength concrete grouting material, epoxy asphalt coating, anchor bolt assembly, wind turbine location protective fence, wind turbine foundation settlement observation system, Ø800 pile foundation, pile foundation testing, etc.

[0119] This embodiment proposes a method for automatic design and quantity calculation of wind turbine foundations in wind farms. It enables rapid iteration of multiple schemes and recommends the foundation scheme with the optimal quantity based on the LCOE (Limited Cost of Engineering) principle. For engineers designing wind farms, this method allows for rapid design of matching technical solutions, improving work efficiency and demonstrating strong practicality, filling a gap in the field of automatic design and quantity calculation of wind turbine foundations. While meeting the requirements for accurate analysis of wind turbine foundation design requirements and the calculation of wind farm wind turbine foundation quantities, it reduces reliance on experience, improves the design efficiency of wind turbine foundations, and automatically recommends wind turbine foundations based on the unit load and geological topography of different turbine models.

[0120] In an optional embodiment, an automatic design device for wind turbine foundations in wind farms is also provided. The automatic design device for wind turbine foundations in wind farms proposed in this embodiment of the invention includes:

[0121] The foundation type determination module is used to determine the foundation type of the target wind turbine foundation based on site conditions;

[0122] The basic standard bill of quantities determination module is used to determine the radius value R of the target wind turbine foundation when the foundation type is a shallow foundation, obtain the foundation design result based on the radius value R, and match the corresponding basic standard bill of quantities in the database.

[0123] The basic final bill of quantities determination module is used to obtain the basic quantities of works based on the basic standard bill of quantities, and to verify the basic quantities of works to obtain the final bill of quantities.

[0124] The standard quantity list determination module for pile foundations is used to match the corresponding standard quantity list for pile foundations based on the foundation information of the target wind turbine foundation when the foundation type is a deep foundation.

[0125] The final bill of quantities determination module for pile foundations is used to obtain the quantities of pile foundations based on the standard bill of quantities for pile foundations, and to verify the quantities of pile foundations to obtain the final bill of quantities.

[0126] Other embodiments or specific implementations of the automatic design device for wind turbine foundations in wind farms of the present invention can be referred to the above-described method embodiments, and will not be repeated here.

[0127] Furthermore, this invention also proposes a storage medium storing a wind farm turbine foundation automatic design method program. When executed by a processor, the wind farm turbine foundation automatic design method program implements the steps of the wind farm turbine foundation automatic design method described above. Therefore, it will not be repeated here. Additionally, the beneficial effects of using the same method will not be repeated. For technical details not disclosed in the computer-readable storage medium embodiments of this application, please refer to the description of the method embodiments of this application. As an example, program instructions can be deployed to execute on a single computing device, or on multiple computing devices located at one location, or on multiple computing devices distributed across multiple locations and interconnected via a communication network.

[0128] Those skilled in the art will understand that all or part of the processes in the above embodiments can be implemented by a computer program instructing related hardware. The program can be stored in a computer-readable storage medium, and when executed, it can include the processes of the embodiments of the above methods. The storage medium can be a magnetic disk, optical disk, read-only memory (ROM), or random access memory (RAM), etc.

[0129] It should also be noted that the device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Furthermore, in the accompanying drawings of the device embodiments provided by this invention, the connection relationships between modules indicate that they have communication connections, which can be specifically implemented as one or more communication buses or signal lines. Those skilled in the art can understand and implement this without any creative effort.

[0130] Through the above description of the embodiments, those skilled in the art can clearly understand that the present invention can be implemented by means of software plus necessary general-purpose hardware, and of course, it can also be implemented by special hardware including application-specific integrated circuits, special CPUs, special memory, special components, etc. Generally, any function performed by a computer program can be easily implemented by corresponding hardware, and the specific hardware structure used to implement the same function can also be diverse, such as analog circuits, digital circuits, or special-purpose circuits. However, for the present invention, software program implementation is more often the preferred implementation method. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a readable storage medium, such as a computer floppy disk, USB flash drive, portable hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk, etc., including several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments of the present invention.

Claims

1. An automatic design method for wind turbine foundations in wind farms, characterized in that, The method includes the following steps: S1: Determine the foundation type for the target wind turbine based on site conditions; S2: When the foundation type is a shallow foundation, determine the radius value R of the target wind turbine foundation, obtain the foundation design result based on the radius value R, and match it with the corresponding foundation standard engineering quantity list in the database; S4: Based on the aforementioned basic standard bill of quantities, obtain the basic engineering quantities, and verify the basic engineering quantities to obtain the final bill of quantities; S5: When the foundation type is a deep foundation, match the corresponding standard bill of quantities for pile foundations based on the foundation information of the target wind turbine foundation; S6: Based on the standard bill of quantities for pile foundations, obtain the quantities of pile foundations and verify them to obtain the final bill of quantities; Step S2 specifically includes: When the foundation type is a shallow foundation, the standard value of the bending moment load M under normal operating conditions acting on the top of the foundation is used. k and the standard value of vertical force acting on the top of the foundation under normal operating conditions Iterate to obtain the radius value R of the target wind turbine foundation; Based on the radius value R, the basic design results are obtained and matched with the corresponding basic standard engineering quantity list in the database; The iteratively obtained radius value R of the target wind turbine foundation specifically includes: Obtain the initial radius value, and obtain the height of the basic frustum based on the radius value. Then, use the height of the basic frustum to obtain the eccentricity corresponding to the current radius value. Determine whether the eccentricity does not exceed a preset threshold. If not, iteratively update the radius value until the eccentricity does not exceed the preset threshold. The expression for the eccentricity is: ； in, It is the eccentricity; The standard value of the base weight plus the backfill load is given in kN. The standard value of the vertical force acting on the top of the foundation is expressed in kN. The volume of the foundation concrete, in m3; The self-weight of the foundation concrete, kN; Based on the soil cover volume, m 3 ; The self-weight of the soil covering the foundation, kN; The height of the basic frustum is calculated using the formula, and the absolute value is taken. This represents the standard value of the bending moment load acting on the top of the foundation.

2. The automatic design method for wind turbine foundations in wind farms as described in claim 1, characterized in that, In step S1: the site conditions include topography, geography and hydrology.

3. The automatic design method for wind turbine foundations in wind farms as described in claim 1, characterized in that, The expression for iteratively updating the radius value is: R 更新后 =R 更新前 +0.25。 4. The automatic design method for wind turbine foundations in wind farms as described in claim 1, characterized in that, In step S5, the basic information includes foundation type, foundation diameter, single pile diameter, single pile length, and number of piles.

5. The automatic design method for wind turbine foundations in wind farms as described in claim 1, characterized in that, In step S4, the basic engineering quantities are reviewed to obtain the final engineering quantity list. Specifically, this includes: determining whether to increase the foundation treatment engineering quantity based on the geological conditions of the wind field, reviewing the foundation treatment, and obtaining the final engineering quantity list.

6. The automatic design method for wind turbine foundations in wind farms as described in claim 1, characterized in that, In step S6, the quantity of the pile foundation work is reviewed to obtain the final bill of quantities. Specifically, this includes: reviewing the quantity of the pile foundation work according to the load range, matching the quantity of the pile foundation work according to the geological conditions, and obtaining the final bill of quantities.

7. An automatic design device for wind turbine foundations in a wind farm, characterized in that, The automatic design method for wind turbine foundations in wind farms according to any one of claims 1 to 6, wherein the automatic design device for wind turbine foundations in wind farms comprises: The foundation type determination module is used to determine the foundation type of the target wind turbine foundation based on site conditions; The basic standard bill of quantities determination module is used to determine the radius value R of the target wind turbine foundation when the foundation type is a shallow foundation, obtain the foundation design result based on the radius value R, and match the corresponding basic standard bill of quantities in the database. The basic final bill of quantities determination module is used to obtain the basic quantities of works based on the basic standard bill of quantities, and to verify the basic quantities of works to obtain the final bill of quantities. The standard quantity list determination module for pile foundations is used to match the corresponding standard quantity list for pile foundations based on the foundation information of the target wind turbine foundation when the foundation type is a deep foundation. The final bill of quantities determination module for pile foundations is used to obtain the quantities of pile foundations based on the standard bill of quantities for pile foundations, and to verify the quantities of pile foundations to obtain the final bill of quantities.

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