CN210712908U

CN210712908U - First bottom plate component, second bottom plate component, bottom plate and tower drum foundation

Info

Publication number: CN210712908U
Application number: CN201921356875.XU
Authority: CN
Inventors: 孙阳; 李沐; 邓飞; 张鹤鸣
Original assignee: Shenzhen Guojin Xinneng Electric Power Design Institute Co Ltd
Current assignee: Shenzhen Guojin Xinneng Electric Power Design Institute Co Ltd
Priority date: 2019-01-18
Filing date: 2019-08-20
Publication date: 2020-06-09
Anticipated expiration: 2029-08-20
Also published as: CN210621741U; CN211421159U; CN210827541U; CN210621742U; CN210827542U; CN111456068A; CN111456067A; CN211714003U; CN211446991U; CN111456908A; CN111456069A; CN211446990U; CN210621744U; CN210621743U; CN111456070A; CN111456911A; CN210621740U; CN111456072A; CN111456910A; CN111456073A

Abstract

The application discloses first bottom plate component, second bottom plate component, bottom plate and tower section of thick bamboo basis, first bottom plate component includes: a first base member that is a sector-shaped cylinder; the first boss component is a sector cylinder coaxial with the first base component, the radius of the first boss component is smaller than that of the first base component, and the bottom surface of the first boss component is attached to the top surface of the first base component; a rib extending radially outward from the outer peripheral wall of the first boss member and connected to the top surface of the first base member. The utility model provides a first bottom plate component, for the product of prefabricated formula, can process first bottom plate component in the better area of processing condition in advance, transports again and splices for the bottom plate to the area that needs to build tower section of thick bamboo basis, need not to pour the bottom plate in situ, and the volume and the width of first bottom plate component are far less than the volume and the width of bottom plate, the transportation of being convenient for.

Description

First bottom plate component, second bottom plate component, bottom plate and tower drum foundation

Technical Field

The application belongs to the technical field of tower drum construction, and particularly relates to a first bottom plate component of a tower drum foundation, a second bottom plate component of the tower drum foundation, a bottom plate of the tower drum foundation and the tower drum foundation.

Background

Along with the increase of the generating efficiency of the fan, the length of the blade is longer and longer, and the height and the section size of the fan tower barrel matched with the blade are also increased continuously. The steel structure tower barrel is high in cost and difficult to transport, so that the construction requirement of the large-section high tower barrel is difficult to meet. Concrete towers are of great interest because they enable large wind power plants to be economically constructed. The tower section of thick bamboo base in tower section of thick bamboo bottom carries upper portion tower section of thick bamboo, and its compressive strength directly influences the stability and the equilibrium of whole tower section of thick bamboo. In the related art, in order to stably connect various parts of a tower drum foundation, the tower drum foundation is cast in place, and when a construction site is located in a remote area or an area with severe environment, construction difficulty is high, and an improvement space exists.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art.

A first object of the present application is to provide a first floor member of a tower foundation, comprising: a first base member that is a sector-shaped cylinder; the first boss component is a sector cylinder coaxial with the first base component, the radius of the first boss component is smaller than that of the first base component, and the bottom surface of the first boss component is attached to the top surface of the first base component; a rib extending radially outward from the outer peripheral wall of the first boss member and connected to the top surface of the first base member, the rib having a length in the radial direction that is less than the radius of the first base member combined with the radius of the first boss member.

The utility model provides a first bottom plate component, for the product of prefabricated formula, through setting up the first bottom plate component of above-mentioned structural style, can process out first bottom plate component in the better area of processing condition in advance, transport again and need build the area concatenation of tower section of thick bamboo basis for the bottom plate, need not to pour the bottom plate in situ, and the volume and the width of first bottom plate component far are less than the volume and the width of bottom plate, the transportation of being convenient for.

According to the first bottom plate member of the tower foundation of one embodiment of the application, the radian of the first boss member is equal to that of the first base member, the bottom surface of the first boss member is in direct contact with the top surface of the first base member, and two side walls of the first boss member are respectively aligned with two side walls of the first base member along the axial direction.

A first base member and a first boss member of a tower foundation according to an embodiment of the present disclosure, the arc of the first base member and the arc of the first boss member each being 20 °; and/or the first floor member has a width at least in one direction of not more than 3.5 m.

According to the first bottom plate member of the tower foundation of one embodiment of the application, the two side walls of the first bottom plate member are provided with a plurality of annular first connecting ribs extending outwards.

According to the first bottom plate member of tower foundation of an embodiment of this application, first bottom plate member is equipped with a plurality of curved first base prestressing conduits that run through itself along circumference, and at least one in a plurality of first base prestressing conduits locates the position of being close to the periphery wall of first bottom plate member, and the ratio of the distance of at least one in a plurality of first base prestressing conduits to the centre of a circle of first bottom plate member and the radius of first bottom plate member is between 0.4-0.6.

According to the first bottom plate member of the tower foundation of one embodiment of the application, the first bottom plate member is provided with a plurality of arc-shaped first bottom plate prestressed pipelines which penetrate through the first bottom plate member along the circumferential direction, the first bottom plate prestressed pipelines are arranged at intervals along the radial direction, the distance between every two adjacent first bottom plate prestressed pipelines is not more than 1000mm, the distance between the innermost first bottom plate prestressed pipeline and the center of the first bottom plate member is not more than 1000mm, and the distance between the outermost first bottom plate prestressed pipeline and the outer peripheral wall of the first bottom plate member is not more than 1000 mm.

According to the first bottom plate component of tower section of thick bamboo basis of an embodiment of this application, two lateral walls of first bottom plate component all are equipped with pre-buried first connecting box, the interior plate of first connecting box is connected with pre-buried first anchor bar.

A second object of the present application is to provide a second floor member of a tower foundation, the second floor member comprising: a second base member that is a sector-shaped cylinder; the second boss component is a sector cylinder coaxial with the second base component, the radius of the second boss component is smaller than that of the second base component, and the bottom surface of the second boss component is attached to the top surface of the second base component.

According to the second bottom plate member of the tower foundation of one embodiment of the present application, the radian of the second boss member is equal to that of the second base member, the bottom surface of the second boss member is in direct contact with the top surface of the second base member, and the two side walls of the second boss member are respectively aligned with the two side walls of the second base member along the axial direction.

A second base member of the tower foundation according to an embodiment of the present application, the arc of the second base member and the arc of the second boss member each being 20 °; and/or the second floor member has a width at least in one direction of not more than 3.5 m.

According to the second bottom plate member of the tower foundation of one embodiment of the application, the two side walls of the second bottom plate member are provided with a plurality of annular second connecting ribs which extend outwards.

According to the second bottom plate member of tower foundation of an embodiment of this application, the second bottom plate member is equipped with a plurality of curved second base prestressing conduits that run through itself along circumference, and at least one in a plurality of the second base prestressing conduits is located the position of being close to the periphery wall of second bottom plate member, and the ratio of the distance of at least one in a plurality of the second base prestressing conduits to the centre of a circle of second bottom plate member to the radius of second bottom plate member is between 0.4-0.6.

According to the second bottom plate member of the tower foundation of one embodiment of the application, the second bottom plate member is provided with a plurality of arc-shaped second bottom plate prestressed pipelines which penetrate through the second bottom plate member along the circumferential direction, the plurality of second bottom plate prestressed pipelines are arranged at intervals along the radial direction, the distance between two adjacent second bottom plate prestressed pipelines is not more than 1000mm, the distance between the innermost second bottom plate prestressed pipeline and the circle center of the second bottom plate member is not more than 1000mm, and the distance between the outermost second bottom plate prestressed pipeline and the peripheral wall of the second bottom plate member is not more than 1000 mm.

According to the second bottom plate component of tower section of thick bamboo basis of an embodiment of this application, two lateral walls of second bottom plate component all are equipped with pre-buried second connecting box, the interior plate of second connecting box is connected with pre-buried second anchor bar.

A third objective of the present application is to provide a bottom plate of a tower foundation, including: a plurality of first floor members as described in any of the above; a plurality of second floor members as described in any of the above; the plurality of first bottom plate members and the plurality of second bottom plate members are arranged along the circumferential direction and are spliced.

According to an embodiment of the present application, the bottom plate of the tower base further includes: the dowel steel, two lateral walls of first bottom plate component all are equipped with the first splice bar of a plurality of annular that outwards stretches out, two lateral walls of second bottom plate component all are equipped with a plurality of annular second splice bars that outwards stretch out, first splice bar with the second splice bar sets up along radially crisscross, the dowel steel runs through first splice bar reaches the second splice bar, the dowel steel includes at least along vertical spaced apart two.

According to one embodiment of the present disclosure, a side wall of the first floor member may be spaced apart from a corresponding side wall of an adjacent one of the second floor members by no less than 200 mm.

According to the bottom plate of the tower foundation of one embodiment of the application, the radian of the first base member and the radian of the first boss member are both 20 degrees, the radian of the second base member and the radian of the second boss member are both 20 degrees, and two second bottom plate members are arranged between any two adjacent first bottom plate members.

A fourth object of the present application is to provide a tower foundation including a bedplate as described in any of the above.

The advantages of the tower foundation, the bedplate, the second bedplate member and the first bedplate member are the same as those of the prior art, and are not described herein again.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a tower foundation according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a boss and a rib of an embodiment of the present application when a first floor member and a second floor member are joined to form a floor;

FIG. 3 is a schematic structural diagram of the backplane of the embodiment of the present application, which is divided into a first backplane member and a second backplane member;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a schematic structural view of a first floor member and a second floor member of the first embodiment of the present application joined as a floor;

FIG. 6 is a schematic cross-sectional view of the connection between the floor members of the first embodiment of the present application;

FIG. 7 is a schematic structural view of a second embodiment of the present application in which a first floor member and a second floor member are joined to form a floor;

FIG. 8 is a schematic structural view of a third embodiment of the present application in which a first floor member and a second floor member are joined to form a floor;

fig. 9 is a schematic cross-sectional view of the connection between the floor members according to the third embodiment of the present application.

Reference numerals:

a tower base 100 is provided, which is,

a base plate 10, a first base plate member 10a, a second base plate member 10b, a first base member 11a, a second base member 11b, a boss 12, a first boss member 12a, a second boss member 12b, a rib 13a, a first connecting rib 14a, a second connecting rib 14b, a dowel 14c, a first base prestressed pipe 15a, a second base prestressed pipe 15b, a second prestressed rib 16c, a first connecting box 17a, a second connecting box 17b, a first anchor rib 18a, a second anchor rib 18b, a post-cast strip 19, a seam 19b,

the support rod comprises a central cylinder 20, a top plate 30, a support rod 40, a support rod body 41, a connecting rod 44 and a cushion layer 50.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

The tower foundation 100 of the embodiment of the present application is used for supporting a tower body, and the upper end of the tower body can be used for installing a wind turbine.

Referring now to FIG. 1, a tower foundation 100 according to an embodiment of the present application is described.

As shown in fig. 1, the tower foundation 100 of the embodiment of the present application includes: a bottom plate 10, a central cylinder 20, a top plate 30, and a support rod 40.

Wherein, the bottom plate 10 is located the foundation ditch, in the execution of reality, can be equipped with bed course 50 in the foundation ditch, then set up bottom plate 10 on bed course 50, the area of bottom plate 10 in the horizontal direction is greater than the area of a central section of thick bamboo 20 and roof 30, and the steadiness of bottom is higher like this, and bottom plate 10 can be reinforced concrete structure in order to have stronger compressive property. In a practical implementation, the bottom plate 10 may be designed as a circular plate, but is not limited to a flat plate structure, such as a step plate structure that may have steps.

The lower end of the central tube 20 is connected to the bottom plate 10, and the central tube 20 may be of a reinforced concrete structure to have a strong pressure resistance.

The central cylinder 20 is supported on the bottom plate 10, the central cylinder 20 may be a ring structure, a cavity is formed in the middle of the central cylinder 20, and a door opening is formed in at least one wall surface of the central cylinder 20, and the cavity is used for installing some accessory equipment of the wind turbine, including a platform plate for maintenance.

The upper end of the center tube 20 is connected to the top plate 30, the upper surface of the center tube 20 is connected to the lower surface of the top plate 30, and the top plate 30 may be a reinforced concrete structure to have a strong pressure resistance. The top plate 30 is used for supporting the tower body above, and as shown in fig. 1, anchor bolts are arranged on the top plate 30 and used for connecting tower flanges at the upper part.

The support bar 40 includes: a support rod body 41 and a connecting rod 44.

The lower end of the support rod body 41 is fixedly connected with the connecting rod 44, and the support rod body 41 and the connecting rod 44 form an acute angle, for example, the included angle between the support rod body 41 and the connecting rod 44 is α, and α is more than or equal to 30 degrees and less than or equal to 60 degrees.

After the support rod body 41 is installed on the tower foundation 100, the support rod body 41 extends obliquely from top to bottom in a direction away from the central cylinder 20, the connecting rod 44 extends in the horizontal direction, the support rod body 41 is of a reinforced concrete structure, the connecting rod 44 is of a reinforced concrete structure, and the upper end of the support rod body 41 is connected with the top plate 30, so that the horizontal and vertical supporting forces provided by the support rod 40 are balanced. In an actual implementation, the supporting rod 40 is a prefabricated supporting rod 40, and the connecting rod 44 and the supporting rod body 41 may be integrally cast.

It can be appreciated that the obliquely arranged support rods 40 can provide an oblique supporting force to the top plate 30, so that the stability and balance of the top plate 30 and the tower body above the top plate are better.

As shown in fig. 1, the base plate 10 includes: the bottom plate 10 body, the boss 12 and the rib 13 a.

The base plate 10 body can be flat, the base plate 10 body is supported on the cushion layer 50, the boss 12 protrudes out of the upper surface of the base plate 10 body, the area of the boss 12 is smaller than that of the base plate 10 body, the boss 12 can be located at the center of the base plate 10 body, the central cylinder 20 is supported on the boss 12, that is, the main bearing area of the base plate 10 is in the center position, and the structure of the boss 12 is equivalent to thickening the center area of the base plate 10, so that the base plate 10 is prevented from being crushed by the central cylinder 20, the top plate 30 and the tower cylinder body above the central cylinder 20.

As shown in fig. 1 and 2, the rib 13a extends radially outward from the outer periphery of the boss 12, the rib 13a may be flush with the boss 12, the rib 13a is connected to the upper surface of the body of the base plate 10, the lower surface of the rib 13a is flush with the upper surface of the body of the base plate 10, and the rib 13a may have a bar shape.

The bottom surface of the connecting rod 44 is attached and connected to the upper surface of the body of the base plate 10, and the radially inner end surface of the connecting rod 44 is attached and connected to the radially outer end surface of the rib 13 a.

The backplane 10 of the present application embodiment is described below with reference to fig. 3-9.

As shown in fig. 3 to 9, the bottom plate 10 includes a plurality of first bottom plate members 10a and a plurality of second bottom plate members 10b, the plurality of first bottom plate members 10a and the plurality of second bottom plate members 10b are circumferentially arranged and connected in a splicing manner, the side walls of two adjacent bottom plate members 10 are opposite to and connected with each other, so that the plurality of bottom plate members 10 can be spliced to form the bottom plate 10, and the first bottom plate members 10a and the second bottom plate members 10b are prefabricated, so that when the tower foundation 100 is constructed, the bottom plate 10 does not need to be cast in situ, the first bottom plate members 10a and the second bottom plate members 10b prefabricated in advance can be used to splice the bottom plate 10, so that a cast-in-situ manner is not needed, the construction efficiency of the tower foundation 100 in remote or severe environment areas can be effectively improved, the tower foundation is particularly suitable for use environments inconvenient for cast-in-situ construction, and the prefabricated structural accuracy is high, the cost is low.

In some embodiments, as shown in fig. 3, the first bottom plate member 10a and the second bottom plate member 10b are joined in such a manner that one first bottom plate member 10a corresponds to two second bottom plate members 10b, in such a manner that the curvature of the first base member 11a and the curvature of the first projection member 12a are both 20 °, and the curvature of the second base member 11b and the curvature of the second projection member 12b are both 20 °, i.e., the curvature of the first bottom plate member 10a and the curvature of the second bottom plate member 10b are both 20 °, and two second bottom plate members 10b are provided between any adjacent two first bottom plate members 10 a. Thus, the individual base plate 10 elements have a small arc and a correspondingly small width for ease of transport. Of course, the first bottom plate member 10a and the second bottom plate member 10b can be spliced in other combination manners, for example, the arc degree of the first bottom plate member 10a is 20 °, the arc degree of the second bottom plate member 10b is 40 °, and the splicing manners of the first bottom plate member 10a and the second bottom plate member 10b are staggered one by one.

The first floor member 10a and the second floor member 10b of the embodiment of the present application are described below.

As shown in fig. 3, the first floor member 10a includes: a first base member 11a, a first boss member 12a and a rib 13 a.

The first base member 11a is a sector cylinder, the first boss member 12a is a sector cylinder coaxial with the first base member 11a, the radius of the first boss member 12a is smaller than that of the first base member 11a, the bottom surface of the first boss member 12a is attached to the top surface of the first base member 11a, in actual implementation, the radians of the first boss member 12a and the first base member 11a are equal, the bottom surface of the first boss member 12a is attached to the top surface of the first base member 11a in a facing manner, and two side walls of the first boss member 12a are respectively aligned with two side walls of the first base member 11a along the axial direction, so that the first base member 10a is good in appearance flatness and convenient to produce and transport.

As shown in fig. 4, the rib 13a extends radially outward from the outer peripheral wall of the first boss member 12a, and the rib 13a is connected to the top surface of the first base member 11a, and the length of the rib 13a in the radial direction plus the radius of the first boss member 12a is smaller than the radius of the first base member 11 a. The rib 13a may have the same height as the first boss member 12a so that the rib 13a and the first boss member 12a may be flush in the thickness direction, the rib 13a may have a rectangular parallelepiped shape, the rib 13a has a width smaller than the length of the outer peripheral wall of the first boss member 12a, and the rib 13a serves to increase the strength and rigidity of the corresponding region of the first floor member 10 a.

In a practical implementation, the ratio of the sum of the length of the rib 13a in the radial direction and the radius of the first boss member 12a to the radius of the first base member 11a is a, and satisfies: 0.4. ltoreq. a.ltoreq.0.7, that is, the sum of the lengths of the rib 13a and the first boss member 12a in the radial direction of the first base member 10a is approximately half the length of the first base member 11 a.

The first bottom plate member 10a of the present application is a prefabricated product, and by providing the first bottom plate member 10a in the above structure, the first bottom plate member 10a can be processed in a region with better processing conditions in advance, and then the first bottom plate member 10a is transported to a region where the tower foundation 100 needs to be built and spliced into the bottom plate 10, so that the bottom plate 10 does not need to be cast in situ, and the volume and the width of the first bottom plate member 10a are far smaller than those of the bottom plate 10, thereby facilitating transportation.

As shown in fig. 3, the curvature of the first base member 11a and the curvature of the first boss member 12a are both 20 °, so that the width of the first floor member 10a in the direction of the outer peripheral wall (curved outer wall) is small for easy transportation.

The first floor member 10a has a width of not more than 3.5m in at least one direction. The first floor member 10a of the embodiment of the present application is a prefabricated type, which inevitably involves a problem of transportation, and the transportation thereof can be facilitated by defining the width thereof in a certain direction. Such as the first floor member 10a shown in fig. 3, has a width W1 in a specific direction (direction of both ends of the peripheral wall) of less than 3.5 m.

Correspondingly, as shown in fig. 3, the second floor member 10b includes: a second base member 11b, a second boss member 12 b.

The second base member 11b is a sector cylinder, the second boss member 12b is a sector cylinder coaxial with the second base member 11b, the radius of the second boss member 12b is smaller than that of the second base member 11b, the bottom surface of the second boss member 12b is attached to the top surface of the second base member 11b, in actual implementation, the radians of the second boss member 12b and the second base member 11b are equal, the bottom surface of the second boss member 12b is attached to the top surface of the second base member 11b in a facing manner, and two side walls of the second boss member 12b are respectively aligned to two side walls of the second base member 11b along the axial direction, so that the second base member 10b has good flatness in appearance and is convenient to produce and transport.

The second bottom plate member 10b of the present application is a prefabricated product, and the second bottom plate member 10b having the above structure can be processed in a region with better processing conditions in advance, and then transported to a region where the tower foundation 100 needs to be built to be spliced into the bottom plate 10, so that the bottom plate 10 does not need to be cast in situ, and the volume and the width of the second bottom plate member 10b are far smaller than those of the bottom plate 10, thereby facilitating transportation.

As shown in fig. 3, the curvature of the second base member 11b and the curvature of the second boss member 12b are both 20 °, so that the width of the second floor member 10b in the direction of the outer peripheral wall (curved outer wall) is small for easy transportation.

The second floor member 10b has a width of not more than 3.5m at least in one direction. The second floor member 10b of the embodiment of the present application is a prefabricated type, which inevitably involves a problem of transportation, and the transportation thereof can be facilitated by defining the width thereof in a certain direction. Such as the second floor member 10b shown in fig. 3, has a width W2 in a specific direction (direction of both ends of the peripheral wall) of less than 3.5 m.

The first and

second floor members

10a and 10b of three structural forms and the completed floor panel 10 will be described below based on the embedded connection structure of the first and

second floor members

10a and 10 b.

The first connection structure form:

in the embodiment shown in fig. 5 and 6, both side walls of the first base member 10a are provided with a plurality of annular first connecting ribs 14a extending outward, and in practical implementation, the first connecting ribs 14a are provided on the side wall of the first base member 11a, but of course, the first connecting ribs 14a can be provided on the side wall of the first boss member 12 a. As shown in fig. 6, both ends of the first connecting rib 14a protrude into the side of the first floor member 10a to form a closed loop. The first floor member 10a may be U-shaped or V-shaped. The first floor member 10a may be formed by extending a portion of the reinforcing bars of the first floor member 10a out of concrete.

Correspondingly, both side walls of the second base member 10b are provided with a plurality of annular second connecting ribs 14b extending outwardly, and in an actual implementation, the second connecting ribs 14b are provided on the side wall of the second base member 11b, and of course, the second connecting ribs 14b can also be provided on the side wall of the second boss member 12 b. As shown in fig. 6, both ends of the second connecting rib 14b protrude into the side of the second floor member 10b to form a closed loop. The second floor member 10b may be U-shaped or V-shaped. The second floor member 10b may be formed by extending a portion of the reinforcing bars of the second floor member 10b out of concrete.

As shown in fig. 6, when the first floor member 10a and the second floor member 10b are joined to form the floor panel 10, the first connecting ribs 14a and the second connecting ribs 14b of the adjacent two floor members 10 are arranged to be staggered in the radial direction.

The two dowels 14c are arranged between the opposite side walls of the two adjacent first base plate members 10a, and the two dowels 14c are respectively arranged at the upper end and the lower end of the ring shape.

The joint between the adjacent two first floor members 10a and second floor member 10b is then filled with post-cast concrete. This makes it possible for the adjacent two first floor members 10a and second floor members 10b to be joined integrally by the post-cast strip 19.

The side wall of the first floor member 10a is spaced from the corresponding side wall of the adjacent one of the second floor members 10b by not less than 200 mm. The width of the post-cast strip 19 is large enough, so that effective casting is conveniently realized, and the connection strength is higher.

The above-described connecting structure is applied to the adjacent first floor member 10a and second floor member 10b, and also to the adjacent two second floor members 10 b.

In the embodiment shown in fig. 5, two second floor members 10b are disposed between any two adjacent first floor members 10a, that is, two adjacent second floor members 10b are also connected, and the connection structure thereof can refer to the connection structure of the second floor members 10b and the second floor members 10b, that is, the second connecting ribs 14b protruding from the opposite sides of two adjacent second floor members 10b are arranged in a staggered manner in the radial direction, the inserting ribs 14c penetrate the inner ring of the second connecting ribs 14b in the radial direction of the floor 10, and then the joint between two adjacent second floor members 10b is filled with post-cast concrete. This makes it possible for the adjacent two second floor members 10b to be connected integrally by the post-cast strip 19.

As shown in fig. 5, the first base plate member 10a is provided with a plurality of arc-shaped first base pre-stress pipelines 15a which penetrate through the first base plate member 10a along the circumferential direction, the first base pre-stress pipelines 15a are used for avoiding the first base plate member 10 pre-stress tendons, at least one of the plurality of first base pre-stress pipelines 15a is arranged at a position close to the outer circumferential wall of the first base plate member 10a, and the ratio of the distance from the at least one of the plurality of first base pre-stress pipelines 15a to the center of the first base plate member 10a to the radius of the first base plate member 10a is between 0.4 and 0.6. That is, the first floor member 10 is left with the tendons of the first floor 10 at least at the position near the outer peripheral wall and at the intermediate position of the first floor member 10 a. The position of one of the first foundation pre-stressing ducts 15a in the radial direction may correspond to the position of the rib 13 a.

In a practical implementation, the first seat pre-stressing conduit 15a is provided radially outside the first boss member 12a, and therefore the first seat pre-stressing conduit 15a may be provided in the first seat member 11 a.

Correspondingly, the second bottom plate member 10b is provided with a plurality of arc-shaped second base prestressed pipelines 15b which penetrate through the second bottom plate member 10b along the circumferential direction, the second base prestressed pipelines 15b are used for avoiding the prestressed ribs of the first bottom plate member 10, at least one of the plurality of second base prestressed pipelines 15b is arranged at a position close to the outer circumferential wall of the second bottom plate member 10b, and the ratio of the distance from the at least one of the plurality of second base prestressed pipelines 15b to the circle center of the second bottom plate member 10b to the radius of the second bottom plate member 10b is between 0.4 and 0.6.

In a practical implementation, the second seat pre-stressing conduit 15b is provided radially outside the second boss member 12b, and therefore the second seat pre-stressing conduit 15b may be provided in the second seat member 11 b.

Like this, when splicing first bottom plate component 10a and second bottom plate component 10b for bottom plate 10, first base prestressing pipeline 15a and second base prestressing pipeline 15b can just face the setting, and can form annular pipeline, and first bottom plate 10 prestressing tendons runs through first base prestressing pipeline 15a and second base prestressing pipeline 15b in order to provide circumferential stretch-draw prestressing force, and the connection between first bottom plate component 10a and the second bottom plate component 10b is more firm.

The second connection structure form:

in the embodiment shown in fig. 7, the first floor member 10a is provided with a plurality of arcuate first floor 10 prestressing conduits extending circumferentially therethrough, the plurality of first floor 10 prestressing conduits being spaced apart radially of the first floor member 10 a. The first base plate 10 pre-stressed duct is used to avoid the second pre-stressed tendons 16 c. In a practical implementation, a part of the first base plate 10 pre-stressing conduits extend through the first base member 11a, and another part of the first base plate 10 pre-stressing conduits extend through the first boss member 12a, but all of the first base plate 10 pre-stressing conduits may extend through the first base member 11 a.

Correspondingly, the second floor member 10b is provided with a plurality of arcuate second floor 10 pre-stressing conduits running circumferentially through itself, the plurality of second floor 10 pre-stressing conduits being spaced apart radially. The second base plate 10 prestressed pipe is used to avoid the second tendon 16 c. In a practical implementation, a part of the second base plate 10 pre-stressing conduits extend through the second base member 11b, and another part of the second base plate 10 pre-stressing conduits extend through the second boss member 12b, but all of the second base plate 10 pre-stressing conduits may extend through the second base member 11 b.

First bottom plate 10 prestressed pipe and second bottom plate 10 prestressed pipe are arc, when splicing first bottom plate component 10a and second bottom plate component 10b into bottom plate 10, first bottom plate 10 prestressed pipe just right sets up with second bottom plate 10 prestressed pipe, and can form annular pipeline, second prestressing tendons 16c runs through first base prestressed pipe 15a and second base prestressed pipe 15b in order, in order to provide tensile prestressing force of circumference, the connection between first bottom plate component 10a and the second bottom plate component 10b is more firm.

The distance between two adjacent first base plate 10 prestressed pipes is not more than 1000mm, the distance between the innermost first base plate 10 prestressed pipe and the circle center of the first base member 11a is not more than 1000mm, and the distance between the outermost first base plate 10 prestressed pipe and the outer peripheral wall of the first base member 11a is not more than 1000 mm.

The distance between two adjacent second base plate 10 prestressed pipes is not more than 1000mm, the distance between the innermost second base plate 10 prestressed pipe and the circle center of the second base member 11b is not more than 1000mm, and the distance between the outermost second base plate 10 prestressed pipe and the outer peripheral wall of the second base member 11b is not more than 1000 mm.

In this way, when the first floor member 10a and the second floor member 10b are joined to form the floor panel 10, the tensile forces in the respective regions are more balanced, and the joining of the first floor member 10a and the second floor member 10b is more secure.

The third connection structure form:

in the embodiment shown in fig. 8 and 9, both side walls of the first floor member 10a are provided with the first coupling boxes 17a embedded therein. In actual implementation, the first connection box 17a is provided on the side wall of the first base member 11a, but of course, the first connection box 17a may be provided on the side wall of the first boss member 12 a.

The inner side plate of the first connecting box 17a is connected with a first embedded anchor bar 18a, the first anchor bar 18a is embedded in the concrete structure, the inner side plate of each first connecting box 17a is connected with a plurality of first anchor bars 18a arranged at intervals, and the first anchor bars 18a are used for enhancing the connection strength between the embedded first connecting box 17a and the concrete structure.

As shown in fig. 9, a thin concrete layer is provided between the outer plate of the first connection box 17a and the side wall of the first bottom plate member 10a, the outer plate of the first connection box 17a has a through hole, and a relief hole is provided in a position of the concrete layer corresponding to the through hole when the first bottom plate member 10a is processed.

Correspondingly, two side walls of the second bottom plate member 10b are provided with embedded second connection boxes 17b, and the inner side plate of the second connection box 17b is connected with embedded second anchor bars 18 b. In actual implementation, the second connection box 17b is provided on the side wall of the second base member 11b, but of course, the second connection box 17b may be provided on the side wall of the second boss member 12 b.

The inner side plate of the second connecting box 17b is connected with a pre-buried second anchor bar 18b, the second anchor bar 18b is pre-buried in the concrete structure, the inner side plate of each second connecting box 17b is connected with a plurality of second anchor bars 18b arranged at intervals, and the second anchor bars 18b are used for enhancing the connection strength between the pre-buried second connecting box 17b and the concrete structure.

As shown in fig. 9, a thin concrete layer is provided between the outer panel of the second connection box 17b and the side wall of the second floor member 10b, the outer panel of the second connection box 17b has a through hole, and a relief hole is provided in a position of the concrete layer corresponding to the through hole when the second floor member 10b is processed.

When the first bottom plate member 10a and the second bottom plate member 10b are spliced into the bottom plate 10, the threaded connection member penetrates through the through holes and the avoiding holes of two adjacent bottom plate 10 members, thereby realizing the preliminary connection between the bottom plate 10 members.

After preliminary connection, a joint 19b can be left between two adjacent bottom plate 10 components, the upper ends of the first connecting box 17a and the second connecting box 17b are opened, high-strength mortar or grouting material is poured to the first connecting box 17a, the second connecting box 17b and the joint 19b, so that the first connecting box 17a, the second connecting box 17b and the joint 19b are tightly filled, and the first bottom plate component 10a and the second bottom plate component 10b are spliced.

As shown in fig. 8, the first base plate member 10a is provided with a plurality of arc-shaped first base pre-stress pipelines 15a which penetrate through the first base plate member 10a along the circumferential direction, the first base pre-stress pipelines 15a are used for avoiding the first base plate member 10 pre-stress tendons, at least one of the plurality of first base pre-stress pipelines 15a is arranged at a position close to the outer circumferential wall of the first base plate member 10a, and the ratio of the distance from the at least one of the plurality of first base pre-stress pipelines 15a to the center of the first base plate member 10a to the radius of the first base plate member 10a is between 0.4 and 0.6. That is, the first floor member 10 is left with the tendons of the first floor 10 at least at the position near the outer peripheral wall and at the intermediate position of the first floor member 10 a. The position of one of the first foundation pre-stressing ducts 15a in the radial direction may correspond to the position of the rib 13 a.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A first floor member of a tower foundation, comprising:

a first base member that is a sector-shaped cylinder;

the first boss component is a sector cylinder coaxial with the first base component, the radius of the first boss component is smaller than that of the first base component, and the bottom surface of the first boss component is attached to the top surface of the first base component;

a rib extending radially outward from the outer peripheral wall of the first boss member and connected to the top surface of the first base member, the rib having a length in the radial direction that is less than the radius of the first base member combined with the radius of the first boss member.

2. The tower foundation first base plate member of claim 1, wherein the first boss member has an arc equal to the first base member, and wherein the first boss member has a bottom surface in facing engagement with the first base member top surface, and wherein the first boss member has two side walls axially aligned with the first base member side walls, respectively.

3. The tower foundation first base plate member of claim 1, wherein the arc of the first base member and the arc of the first boss member are each 20 °;

and/or the first floor member has a width at least in one direction of not more than 3.5 m.

4. The first floor member of the tower foundation as claimed in any one of claims 1-3, wherein both side walls of the first floor member are provided with a plurality of outwardly extending annular first connecting ribs.

5. The first floor member of the tower foundation of claim 4, wherein said first floor member defines a plurality of arcuate first base pre-stressing conduits extending circumferentially therethrough, at least one of said plurality of first base pre-stressing conduits being disposed proximate to said outer peripheral wall of said first floor member, and wherein a ratio of a distance from said at least one of said plurality of first base pre-stressing conduits to a center of said first floor member to a radius of said first floor member is between 0.4-0.6.

6. The first floor member of the tower foundation of any one of claims 1-3, wherein said first floor member is provided with a plurality of arc-shaped first floor prestressing conduits extending circumferentially therethrough, said plurality of first floor prestressing conduits being radially spaced apart, two adjacent ones of said first floor prestressing conduits being spaced apart by no more than 1000mm, the innermost one of said first floor prestressing conduits being spaced apart from a center of said first base member by no more than 1000mm, and the outermost one of said first floor prestressing conduits being spaced apart from an outer peripheral wall of said first base member by no more than 1000 mm.

7. The first floor member of the tower foundation as claimed in any one of claims 1-3, wherein both side walls of the first floor member are provided with a pre-embedded first connection box, and an inner side plate of the first connection box is connected with a pre-embedded first anchor bar.

8. The first floor member of the tower foundation of claim 7, wherein said first floor member defines a plurality of arcuate first base pre-stressing conduits extending circumferentially therethrough, at least one of said plurality of first base pre-stressing conduits being disposed proximate to said outer peripheral wall of said first floor member, and wherein a ratio of a distance from said at least one of said plurality of first base pre-stressing conduits to a center of said first floor member to a radius of said first floor member is between 0.4 and 0.6.

9. A second floor member of a tower foundation, the second floor member comprising:

a second base member that is a sector-shaped cylinder;

the second boss component is a sector cylinder coaxial with the second base component, the radius of the second boss component is smaller than that of the second base component, and the bottom surface of the second boss component is attached to the top surface of the second base component.

10. The tower foundation second base member as defined in claim 9, wherein the second boss member has an arc equal to the second base member, and wherein the second boss member has a bottom surface in facing abutment with the top surface of the second base member, and wherein the second boss member has two side walls axially aligned with the second base member.

11. The tower foundation second base plate member of claim 9, wherein the arc of the second base member and the arc of the second boss member are each 20 °;

and/or the second floor member has a width at least in one direction of not more than 3.5 m.

12. The second floor member of the tower foundation as claimed in any one of claims 9-11, wherein both side walls of the second floor member are provided with a plurality of annular second tie bars projecting outwardly therefrom.

13. The tower foundation second floor member as claimed in claim 12, wherein the second floor member is provided with a plurality of arcuate second base pre-stressing conduits extending circumferentially therethrough, at least one of the plurality of second base pre-stressing conduits being disposed proximate to the outer peripheral wall of the second floor member, the ratio of the distance from the at least one of the plurality of second base pre-stressing conduits to the center of the second floor member to the radius of the second floor member being between 0.4-0.6.

14. The tower foundation second floor member as claimed in any one of claims 9-11, wherein said second floor member is provided with a plurality of arc-shaped second floor prestressing conduits extending circumferentially therethrough, said plurality of second floor prestressing conduits being radially spaced apart, two adjacent ones of said second floor prestressing conduits being spaced apart by no more than 1000mm, the innermost one of said second floor prestressing conduits being spaced apart from a center of said second floor member by no more than 1000mm, and the outermost one of said second floor prestressing conduits being spaced apart from an outer peripheral wall of said second floor member by no more than 1000 mm.

15. The second floor member of the tower foundation as claimed in any one of claims 9-11, wherein both side walls of the second floor member are provided with pre-embedded second connection boxes, and the inner side plates of the second connection boxes are connected with pre-embedded second anchor bars.

16. The tower foundation second floor member as claimed in claim 15, wherein the second floor member is provided with a plurality of arcuate second base pre-stressing conduits extending circumferentially therethrough, at least one of the plurality of second base pre-stressing conduits being disposed proximate to the outer peripheral wall of the second floor member, the ratio of the distance from the at least one of the plurality of second base pre-stressing conduits to the center of the second floor member to the radius of the second floor member being between 0.4-0.6.

17. A bedplate for a tower foundation, comprising:

a plurality of first floor members according to any one of claims 1-8;

a plurality of second floor members according to any one of claims 9 to 16;

the plurality of first bottom plate members and the plurality of second bottom plate members are arranged along the circumferential direction and are spliced.

18. The tower foundation bedplate as recited in claim 17, further comprising: the dowel steel, two lateral walls of first bottom plate component all are equipped with the first splice bar of a plurality of annular that outwards stretches out, two lateral walls of second bottom plate component all are equipped with a plurality of annular second splice bars that outwards stretch out, first splice bar with the second splice bar sets up along radially crisscross, the dowel steel runs through first splice bar reaches the second splice bar, the dowel steel includes at least along vertical spaced apart two.

19. The tower foundation floor of claim 18, wherein the side walls of the first floor member are spaced from the corresponding side walls of an adjacent one of the second floor members by no less than 200 mm.

20. The tower foundation bedplate as claimed in claim 17, wherein the first base member and the first boss member are each 20 ° in arc, the second base member and the second boss member are each 20 ° in arc, and two of the second base members are disposed between any adjacent two of the first base members.

21. A tower foundation comprising a bedplate as claimed in any of claims 17 to 20.