CN212561601U - New and expanded wind power foundations on weak foundations and shallow overlays - Google Patents
New and expanded wind power foundations on weak foundations and shallow overlays Download PDFInfo
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Abstract
一种软弱地基浅覆盖层上新建与扩建的风电基础及其施工方法，是通过在软弱地基浅覆盖层内、或在软弱地基浅覆盖层内且围绕着原有风电基础设置环形群桩、在环形群桩上设置环梁、在环梁的内部设置基础顶板或将包围在环梁内部的原有风电基础的基础底座加以重新利用、在基础顶板或基础底座上设置台柱、在环梁与台柱之间设置用于支撑台柱并传递台柱荷载的加强构件、在台柱上固定用于塔筒安装固定的基础环，完成新建与扩建风电基础，满足在软弱地基浅覆盖层上新建与扩建风力发电场的现实需要。本实用新型利用扩展基础顶盖压力及侧壁筒型基础主被动土压力来抵抗风机运行中产生的大弯矩荷载，充分利用了土地资源，提高了承载力，降低了成本，提高了效率。
A newly-built and expanded wind power foundation on a shallow covering layer of a weak foundation and a construction method thereof. Set ring beams on the ring piles, set the foundation top plate inside the ring beam, or reuse the foundation base of the original wind power foundation surrounded by the ring beam, set the pillars on the foundation roof or foundation base, set the ring beam and the pillar on the ring beam The reinforcing members used to support the columns and transmit the load of the columns are arranged between them, and the foundation rings used for the installation and fixing of the towers are fixed on the columns, so as to complete the new construction and expansion of the wind power foundation, and meet the requirements for the construction and expansion of wind power plants on the shallow covering layer of the weak foundation. realistic needs. The utility model utilizes the expansion foundation roof pressure and the active and passive earth pressure of the sidewall cylindrical foundation to resist the large bending moment load generated during the operation of the fan, fully utilizes the land resources, improves the bearing capacity, reduces the cost and improves the efficiency.
Description
Technical Field
The utility model relates to a fan foundation especially relates to a wind-powered electricity generation basis suitable for newly-built and extension on soft ground shallow overburden belongs to fan foundation design construction technical field.
Background
Wind energy is inexhaustible renewable clean energy, wind power generation is one of the most potential sustainable projects in the world, and the key point of the wind power generation is to ensure the sustainable development of the wind power generation and install a wind turbine foundation for fixing a wind turbine tower.
However, the territorial resources are limited, and the construction of wind power generation fields on land or at sea also faces the problems of shortage of the territorial resources, complex geological conditions and the like, and in order to fully utilize the territorial resources and the wind power resources, the wind power generation fields often need to be constructed in the regions with unfavorable geological conditions, such as a soft foundation shallow covering layer.
When a fan foundation is built in a weak foundation shallow covering layer area, complex foundation treatment procedures such as rock-socketed piling and the like are often required in the prior art, and the efficiency and the cost are not economical.
In addition, the design service life of a wind power plant is generally 20 years, some wind power plant units and foundation structures thereof which are put into operation at the beginning of the century or earlier reach the late stage of the design service life and need to be updated or expanded, but the wind power plant constructed at the early stage usually occupies predominant wind power resources, and the complete abandonment of the existing wind power plant is a great resource waste.
Especially those arranged on shallow overburden of soft foundations are subject to long-term fatigue failure, which may lead to their foundation collapse.
The traditional gravity-based wind power foundation (gravity-based foundation) structure depends on the theory and design of reinforced concrete, and the design is not suitable for a weak foundation shallow covering layer area, because the geological structure can bring about the problems of foundation settlement and the like along with the use time, the self weight of a fan, load change and the like.
CN 202000369U discloses the affiliated heavy board structure of preventing of steel framework offshore wind turbine foundation, comprises a plurality of steel casing pipes, weld a plurality of connecting slot on the outer wall of steel casing pipe bottom, each connecting slot passes through the bolt fastening and prevents heavy board. However, the above structure is only applicable to offshore structures and does not solve the problem of settlement of soft foundations.
CN102926949A discloses a floating transportation method of an offshore complete machine, wherein a frame structure is arranged on a deck of a transportation and installation ship, and a wind power foundation connected with a transition section is prefabricated; extending the transition section out of the frame structure, and temporarily fixing the wind power foundation and the frame structure; hoisting a fan tower cylinder, a fan head and a fan blade in sequence; and transporting the wind power complete machine to an installation site. The utility model discloses a can realize whole one step type transportation. But is economically less advantageous than mono-piles and jacket because of the large size of their cylindrical foundations. JP2006083603A discloses a method of constructing a mono-pile foundation, such as a wind power plant, on ground, such as a landfill site in coastal areas, wherein mono-piles are embedded therein when soft layers are deposited on supporting layers of the ground. However, the method needs to improve the soft layer ground and then arrange the single pile, which increases the construction difficulty.
Therefore, under the condition that the existing equipment is limited, it is necessary to build an extension foundation on the existing fan foundation, and it is urgent to develop an extension foundation structure of the existing fan suitable for the soft foundation shallow covering layer.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a newly-built and extension's wind power basis on soft ground shallow covering layer for the installation of a wind generating set tower section of thick bamboo is fixed.
The wind power foundation suitable for being newly built and expanded on a soft foundation shallow covering layer fully utilizes land resources, avoids rock embedding and large-area foundation treatment, can complete the field construction of newly building or expanding the wind power foundation by utilizing existing small-sized equipment, is safe, economic, efficient and convenient to complete construction operation, and improves economic benefits and social benefits.
Therefore, the utility model provides a following technical scheme:
the utility model provides a newly-built wind-powered electricity generation basis on weak ground shallow overburden, wind-powered electricity generation basis includes from supreme down in proper order:
the pile group comprises annular piles, annular beams, foundation top plates, table columns, reinforcing members and foundation rings;
the annular pile group comprises more than 4 piles, one end of each pile extends into the soft foundation shallow covering layer, the other end of each pile is connected with the ring beam, and the side wall of each pile is in contact with the side wall of the adjacent pile.
The ring beam is arranged at the tops of the piles of the ring-shaped grouped piles and connected with the tops of all the piles;
the foundation top plate is arranged along the inner circumferential direction of the ring beam, and the outer circumferential side wall of the foundation top plate is at least partially connected with the inner circumferential side wall of the ring beam;
the upper part of the foundation top plate is axially provided with the table post, and the top of the table post is provided with a foundation ring for installing and fixing a tower cylinder in the wind generating set;
the plurality of reinforcing members are circumferentially arranged on the side wall of the table column, one end of each reinforcing member is connected with the side wall of the table column, and the other end of each reinforcing member is connected with the ring beam and used for supporting the table column and transmitting the load of the table column.
A wind power foundation expanded on a soft foundation shallow covering layer is a wind power foundation expanded on an original wind power foundation of the soft foundation shallow covering layer, wherein the original wind power foundation comprises a foundation base and a foundation upper platform arranged on the foundation base, and the foundation base is circular or polygonal;
wind-powered electricity generation basis includes from supreme down in proper order: the pile group comprises annular piles, ring beams, table columns, reinforcing members and foundation rings;
the annular pile group is arranged along the periphery of the foundation base and comprises more than 4 pile columns, one end of each pile column extends into the shallow covering layer of the soft foundation, the other end of each pile column is connected with the annular beam, and the side wall of each pile column is in contact with the side wall of the adjacent pile column;
the ring beam is arranged at the tops of the piles of the ring-shaped grouped piles and connected with the tops of all the piles;
the base is arranged on the inner side of the ring beam, and the outer peripheral side wall of the base is at least partially connected with the inner peripheral side wall of the ring beam;
the platform column is sleeved on the side wall of the upper platform of the foundation, and a foundation ring is fixedly arranged at the top of the platform column and used for installing and fixing a tower barrel of the wind generating set; the distance from the top end of the table column to the top end of the base upper table ranges from 1m to 3 m.
The plurality of reinforcing members are circumferentially arranged on the side wall of the table column, one end of each reinforcing member is connected with the side wall of the table column, and the other end of each reinforcing member is connected with the ring beam and used for supporting the table column and transmitting the load of the table column.
Furthermore, the reinforcing member is a triangular supporting block arranged on the foundation top plate or the foundation base, one side of the reinforcing member is connected with the side wall of the table column, and the other side of the reinforcing member is connected with the ring beam.
Further, the reinforcing member includes a plurality of pairs of radial distribution beams and diagonal bracing ribs, wherein one end of the radial distribution beam 251 is connected to the bottom of the sidewall of the column, the other end is connected to the inner wall of the ring beam, one end of the diagonal bracing rib is connected to the upper portion of the sidewall of the column, and the other end is connected to the connecting portion of the ring beam and the radial distribution beam.
Furthermore, the top end of the column is an annular hollow cylinder, a cavity is formed below the annular structure, and the foundation ring and the tower drum arranged on the foundation ring are detachably connected with the annular structure.
Further, the foundation ring and install on the foundation ring the tower section of thick bamboo with the annular structure spiro union, the bottom of annular structure is equipped with the anchor slab, be equipped with the keyhole on the anchor slab, the crab-bolt passes the keyhole gets into in the bolt hole of annular structure.
Further, the basic top plate/basic base is circular or polygonal, and the basic top plate/basic base is connected with the ring beam through the circular edge or the polygonal corner of the basic top plate/basic base.
Further, the pile body of the ring-shaped pile group is one of Larsen steel plate piles, steel section prefabricated piles or concrete piles, and the concrete piles are drilled and poured concrete piles or prefabricated concrete piles.
Furthermore, the ring beam is a reinforced concrete beam.
Furthermore, when the pile column of the annular pile group is a Larsen steel plate pile or a steel section precast pile, the top of the pile column is provided with a plurality of layers of shear nails, and when the pile column of the annular pile group is a concrete pile, the top of the concrete pile is provided with exposed embedded steel bars.
Compared with the prior art, the embodiment of the utility model provides a beneficial effect and showing the progress and lie in:
1) the embodiment of the utility model provides a newly-built and expanded wind power foundation on weak ground shallow covering layer, through in the weak ground shallow covering layer, or in the weak ground shallow covering layer and around the wind power foundation around set up ring pile, set up the ring beam at ring pile stake top, set up the basic roof in the ring beam or will surround the basic foundation of the original wind power foundation in the ring beam inside and reuse, set up the pillar on basic roof or basic foundation, set up the reinforcement component that is used for supporting the pillar and transmitting the pillar load between ring beam and pillar, fix the foundation ring that is used for tower section of thick bamboo installation to fix on the pillar, accomplish newly-built and expanded wind power foundation's construction and construction, the wind power foundation is fixedly installed through a tower, and the practical requirements of newly building and expanding a wind power generation field on a soft foundation shallow covering layer are met;
2) the embodiment of the utility model provides a newly-built and expanded wind power foundation on soft foundation shallow overburden layer, combines the advantages of traditional extension foundation and cylinder type foundation, is a novel pile group cylinder type foundation structure formed by adding steel sheet piles or concrete piles on the periphery of traditional concrete extension foundation, the structure connects the extension foundation and the cylinder type foundation into a whole through a ring beam, makes full use of extension foundation top cover pressure and side wall cylinder type foundation active and passive soil pressure to resist large bending moment load generated in fan operation, improves the bearing capacity of the foundation structure, makes full use of land resources for newly-built and expanded wind power plant, reduces land occupation area, reduces resource occupation cost, avoids the problems of rock embedding and large area foundation treatment when the wind power foundation is newly-built and expanded on soft foundation shallow overburden layer in the prior art, the construction efficiency is improved, the existing wind power foundation can be effectively utilized, the method is safe, economic, efficient and convenient, the economic benefit of an enterprise can be effectively improved, and better social benefit can be obtained;
3) the embodiment of the utility model provides a newly-built and extension's wind power basis on weak ground shallow overburden, the design philosophy is unique, and construction method is simple and can be various, and fan foundation structure intensity is high, the bearing capacity is big, can guarantee wind generating set's safe operation, and has practiced thrift infrastructure's investment, can obtain better economy and social, consequently, has popularization and using value.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of an original wind power foundation of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a newly-built wind power foundation on a shallow covering layer of a soft foundation provided by an embodiment of the present invention;
FIG. 3 is a schematic sectional perspective view of the newly built wind power foundation shown in FIG. 2;
fig. 4 is a schematic view of a three-dimensional structure of a wind power foundation expanded on a shallow covering layer of a soft foundation provided by an embodiment of the present invention;
fig. 5 is a schematic sectional structure view of the enlarged wind power foundation plane shown in fig. 4.
Fig. 6 is a schematic structural diagram of ring-shaped piles according to embodiments 1 and 2 of the present invention, in which larsen steel sheet piles are used as piles and shear pins are disposed at the tops of the piles;
fig. 7 shows a schematic structural diagram of a ring-shaped pile group according to embodiments 1 and 2 of the present invention, which uses concrete piles as the piles of the ring-shaped pile group.
In the figure:
110-a base foundation, 120-a base foundation;
210-ring-shaped pile group, 211-Larsen steel plate pile, 212-shear nail, 213-concrete pile, 220-ring beam, 230-foundation top plate, 240-column, 241-ring structure, 242-anchor plate, 250-reinforcing member, 251-radial distribution beam, 252-diagonal rib beam and 260-foundation ring.
Detailed Description
In order to make the objects, technical solutions, advantageous effects and significant progress of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings provided in the embodiments of the present invention, and it is obvious that all the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the terms "first", "second", etc. in the description and claims of the present invention and the accompanying drawings of the embodiments of the present invention are used only for distinguishing different objects, and are not used for describing a specific order; furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
It is to be understood that:
in the description of the embodiments of the present invention, some indicative terms of orientation or position are only used for describing the orientation or position relationship shown in the drawings according to the embodiments of the present invention, so as to facilitate the description of the embodiments of the present invention and simplify the explanation, but not to indicate or imply the specific orientation, specific orientation configuration and operation that the device or element must have, and therefore, should not be interpreted as limiting the present invention.
In the present invention, unless otherwise specified or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, the terms may be fixed, detachable or movable, integrated, or connected inside two elements or the interaction relationship between two elements, and unless otherwise specified, the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be further noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.
The technical solution of the present invention will be described in detail with reference to specific examples.
The newly-built wind power foundation described in the following embodiments refers to a wind power foundation newly built on a soft foundation shallow covering layer, and the extended wind power foundation refers to a wind power foundation extended on an original wind power foundation of the soft foundation shallow covering layer.
Example 1
Embodiment 1 provides a newly-built wind power foundation on soft foundation shallow covering for the installation of wind generating set tower section of thick bamboo is fixed.
As shown in fig. 2 and 3, an embodiment of the present invention provides a newly-built wind power foundation on a soft foundation shallow covering layer, including ring-shaped piles 210, ring beams 220, foundation top plate 230, pillars 240, reinforcing members 250 and foundation rings 260.
One end of the ring-shaped pile group 210 vertically or obliquely extends into the soft foundation shallow covering layer, the other end of the pile is connected with the ring beam, and the side wall of the pile is in contact with the side wall of the adjacent pile. The pile body of the ring-shaped pile group 210 is selected from one of a Larsen steel plate pile, a steel section precast pile or a concrete pile, and the concrete pile is a drilled cast-in-place concrete pile or a precast concrete pile. Fig. 6 shows a structural schematic diagram of a ring-shaped pile group using a larsen steel sheet pile as a pile column and a shear pin arranged at the top of the pile column, wherein a plurality of layers of shear pins 212 are arranged at the top of the larsen steel sheet pile 211 or a steel profile precast pile. The pile body of the ring-shaped piles 210 may be concrete piles 213 as the pile columns of the ring-shaped piles 210, as shown in fig. 7, and the concrete piles 213 may be bored concrete piles or precast concrete piles.
The ring beam 220 is disposed on the top of the piles of the ring-shaped piles 210 and connected to the top of each pile of the ring-shaped piles 210. Optionally, the ring beam 220 is a reinforced concrete beam, wherein the steel bar is selected from a larsen steel sheet pile or a steel profile precast pile, a plurality of layers of shear nails are arranged at the top of the steel bar, or exposed embedded steel bars are arranged at the top of the concrete pile, and the shear nails or the exposed embedded steel bars are poured in the concrete of the ring beam.
The column 240 is axially arranged on the foundation top plate 230, the column 240 is arranged in the center of the foundation top plate 230, and a foundation ring 260 is fixedly arranged at the top of the column and used for mounting and fixing a tower cylinder in a wind generating set. As shown in fig. 3, the column 240 is a hollow cylinder having a ring structure 241 at the top thereof, and a working chamber is formed below the ring structure 241, the ring structure 241 is provided with bolt holes, the base ring 260 and the tower mounted on the base ring 260 are mounted on the column by bolts inserted into the bolt holes and by fastening nuts, and the working chamber is below the ring structure 241 and is used for mounting or replacing the bolts (in fig. 3, the protruding part on the upper part of the base ring 260 is the bolt). The bottom of the ring structure 241 is further provided with an anchor plate 242 having a plurality of bolt holes for passing anchor bolts through the bolt holes into the bolt holes of the ring structure 241.
A plurality of reinforcing members 250 are circumferentially disposed on the sidewalls of the columns 240, and one side of the reinforcing member is connected to the sidewalls of the columns 240 and the other side is connected to the ring beam 220, for supporting the columns and transferring the load of the columns. As shown in fig. 2, each of the reinforcing members 250 includes a radial distribution beam 251 and a diagonal rib beam 252, which are arranged in a pair, wherein one end of the radial distribution beam 251 is connected to the bottom of the sidewall of the column 240, the other end is connected to the inner wall of the ring beam 220, one end of the diagonal rib beam 252 is connected to the upper portion of the sidewall of the column 240, and the other end is connected to the connection portion of the ring beam 220 and the radial distribution beam 251.
Alternatively, the reinforcing member 250 may be a triangular support block (as shown in fig. 4 and 5) disposed on the base top plate 230, and one side of the triangular support block is connected to the sidewall of the pillar 240 and the other side of the triangular support block is connected to the top of the ring beam 220.
Example 2
Embodiment 2 provides a wind power foundation of extension on soft foundation shallow covering for the installation of wind generating set tower section of thick bamboo is fixed.
As shown in fig. 4 and 5, an embodiment of the present invention provides a wind power foundation expanded on a shallow covering layer of a soft foundation, including an annular pile group 210, a ring beam 220, an original wind power foundation, a pillar 240, a reinforcement member 250 and a foundation ring 260. The original wind power foundation is shown in fig. 1, and includes a foundation base 110 and a foundation upper table 120 disposed on the foundation base 110. The shape of the base 110 is not limited, and may be a circle as shown in fig. 1, or a polygon (not shown).
The extended wind power infrastructure is similar to the embodiment, and is not described herein again, and only the differences are described below.
A wind power foundation of extension on weak ground shallow covering includes: ring-shaped piles 210, ring beams 220, foundation bedplate 110, foundation upper stage 120, columns 240, reinforcing members 250, and foundation rings 260. The base chassis 110 is circular or polygonal.
Follow the periphery of foundation base 110 is provided with annular pile group 210, annular pile group 210 includes the stake more than 4, the one end of stake stretches into in the shallow overburden layer of weak ground, the other end of stake with ring beam 220 is connected, the lateral wall of stake contacts rather than adjacent stake lateral wall.
The ring beam 220 is disposed on the top of the piles of the ring-shaped piles 210 and connected to the top of each pile.
The base chassis 110 is disposed inside the ring beam 220, and an outer circumferential side wall of the base chassis 110 is connected to an inner circumferential side wall of the ring beam 220.
The table post 240 is sleeved on the side wall of the foundation upper table 120, and a foundation ring 260 is fixedly arranged at the top of the table post 120 and used for installing and fixing a tower barrel of the wind generating set; the distance from the top end of the column to the top end of the foundation upper table is 2 m.
A plurality of reinforcing members 250 are circumferentially disposed on the sidewall of the column 240, and each reinforcing member 250 has one end connected to the sidewall of the column 240 and the other end connected to the ring beam 220, for supporting the column 240 and transferring the load of the column.
The structure and function of the pillar 240 in the extended wind power foundation are similar to those of the newly-built wind power foundation on the soft foundation shallow covering layer in embodiment 1, and therefore details are not repeated.
The structure and function of the reinforcing member 250 in the expanded wind power foundation are the same as those of the newly-built wind power foundation on the soft foundation shallow covering layer in embodiment 1, and therefore, the details are not repeated.
In this embodiment, the pile structure and the style of the ring-shaped piles 210 and the structure and the material of the ring beam 220 are the same as those of embodiment 1, and therefore, the description thereof is omitted.
The wind power foundation newly built and expanded on the soft foundation shallow covering layer and the construction method thereof provided by the embodiment are characterized in that the construction and the construction of the newly built and expanded wind power foundation are completed by arranging the annular grouped piles in the soft foundation shallow covering layer or in the soft foundation shallow covering layer and around the original wind power foundation, arranging the ring beam on the pile heads of the annular grouped piles, arranging the foundation top plate in the ring beam or reusing the foundation base of the original wind power foundation enclosed in the ring beam, arranging the bearing platform on the foundation top plate or the foundation base, arranging the reinforcing member for supporting the bearing platform and transmitting the load of the bearing platform between the ring beam and the bearing platform, fixing the foundation ring for installing and fixing the tower on the bearing platform, the wind power foundation is used for installing and fixing the tower barrel, and the practical requirements of building and expanding a wind power generation field on the soft foundation shallow covering layer are met.
Secondly, the utility model combines the advantages of the traditional extension foundation and the cylinder foundation, is a novel pile group cylinder foundation structure formed by adding steel sheet piles or concrete piles at the periphery of the traditional concrete extension foundation, the structure connects the extension foundation and the cylinder foundation into a whole through a ring beam, fully utilizes the top cover pressure of the extension foundation and the active and passive soil pressure of the side wall cylinder foundation to resist the large bending moment load generated in the operation of a fan, improves the bearing capacity of the foundation structure, fully utilizes land resources for the newly built and expanded wind power plant, reduces the land occupation area, reduces the resource occupation cost, avoids the problems of rock embedding and foundation treatment when the wind power foundation is newly built and expanded on a soft foundation shallow covering layer in the prior art, improves the construction efficiency, and can effectively utilize the existing wind power foundation, the method is safe, economic, efficient and convenient, and can effectively improve the economic benefit of enterprises and obtain better social benefit.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the present invention may be modified from the foregoing embodiments or equivalents of some or all of the features of the foregoing embodiments, and such modifications or substitutions do not depart from the spirit of the embodiments of the present invention.
Claims (10)
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| CN202021751300.0U CN212561601U (en) | 2020-08-20 | 2020-08-20 | New and expanded wind power foundations on weak foundations and shallow overlays |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851567A (en) * | 2020-08-20 | 2020-10-30 | 天津大学 | Newly built or expanded wind power foundation on shallow cover layer of weak foundation and its construction method |
| CN115341595A (en) * | 2022-09-02 | 2022-11-15 | 重庆大学 | Beam-slab type wind power original site extension foundation and construction method thereof |
| WO2024078329A1 (en) * | 2022-10-10 | 2024-04-18 | 上海风领新能源有限公司 | Lifting type tower barrel foundation, prefabricated module, and wind vane tower barrel |
-
2020
- 2020-08-20 CN CN202021751300.0U patent/CN212561601U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851567A (en) * | 2020-08-20 | 2020-10-30 | 天津大学 | Newly built or expanded wind power foundation on shallow cover layer of weak foundation and its construction method |
| CN115341595A (en) * | 2022-09-02 | 2022-11-15 | 重庆大学 | Beam-slab type wind power original site extension foundation and construction method thereof |
| WO2024078329A1 (en) * | 2022-10-10 | 2024-04-18 | 上海风领新能源有限公司 | Lifting type tower barrel foundation, prefabricated module, and wind vane tower barrel |
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