Tower crane foundation

Abstract

The utility model belongs to the technical field of building construction, and relates to a tower crane foundation. The tower crane foundation comprises horse stool steel bars, a fixed frame and four tower crane supporting legs, the lower parts of the horse stool reinforcing steel bars are embedded in a first layer of pouring concrete of an in-sea pier and abutment; the fixing frame is connected to the top face of a horse stool steel bar and comprises four positioning frames, and height adjusting assemblies are installed in the middles of the four borders of the positioning frames. The four tower crane supporting legs are correspondingly arranged on the four positioning frames, each tower crane supporting leg comprises a supporting base and two supporting legs oppositely arranged on the top face of the supporting base, the supporting bases are connected to the top faces of the positioning frames, and the top faces of the height adjusting assemblies are connected with the bottom faces of the supporting bases in a pressed mode. The two supporting legs form an assembling connector so as to be matched with a tower body foundation section connecting bottom plate of the tower crane to be installed. According to the tower crane foundation disclosed by the utility model, the levelness of the tower crane supporting legs is convenient to adjust, and the subsequent installation accuracy of the tower crane is ensured, so that the construction efficiency of wharf berth engineering construction is improved, and various problems existing during construction by utilizing a barge and a crawler crane at present are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a tower crane foundation. Background Art

[0002] The construction of the wharf berth project includes the construction of multiple offshore piers such as working platforms, mooring piers, and berthing piers. Steel cages and formworks are required for the construction of each offshore pier. The weight of a single steel cage can reach 3.5t, and the formwork is supported by steel molds, and the weight of a single piece can reach 2.1t.

[0003] At present, barge cranes are usually used to transport the steel cages and formworks used in various offshore piers to the locations to be constructed, that is, crawler cranes are installed on flat barges, and the crawler cranes use the crane arm to transport and install the steel cages and formworks. However, the use of barges is subject to ship traffic control, slow port departure, and greatly affected by weather and waves; the use of barges and crawler cranes is expensive and has a low safety factor; crawler cranes need to lie down and raise their crane arms when operating, resulting in a long transportation and installation time for steel cages and formworks; thus, the construction efficiency of various offshore piers is reduced, and the construction efficiency of the wharf berth project is further reduced. Utility Model Content

[0004] In view of the deficiencies existing in the related technologies, the utility model provides a tower crane foundation, aiming to provide a new idea for the construction of various offshore piers during the construction of dock berth projects, so as to solve the problems mentioned in the above-mentioned background technology.

[0005] The utility model provides a tower crane foundation, which is arranged on the first layer of poured concrete of a mid-sea pier in the construction of a wharf berth project, and comprises:

[0006] The lower part of the saddle steel bar is buried in the first layer of poured concrete; the top surface of the saddle steel bar is higher than the top surface of the first layer of poured concrete, and forms a horizontal supporting surface;

[0007] The fixed frame is connected to the horizontal supporting surface of the horse stool steel bar; the fixed frame includes four square-shaped positioning frames, and the four positioning frames are arranged at the four corners of a square; the middle of the four frames of each positioning frame is equipped with a height-adjusting component with an adjustable top surface height;

[0008] Four tower crane legs are arranged on four positioning frames in a one-to-one correspondence; each tower crane leg includes a support seat and two support legs protruding from the top surface of the support seat and arranged opposite to each other; the support seat is connected to the top surface of the positioning frame, and the top surfaces of the four height adjustment components on the positioning frame are all pressed onto the bottom surface of the support seat; the two support legs constitute an assembly interface to adapt to the connecting bottom plate of the tower body foundation section of the tower crane to be installed.

[0009] In some of the embodiments, the height adjustment assembly includes a height adjustment bolt, a sleeve and a fastening nut; the sleeve includes a head and a rod, the rod of the sleeve vertically penetrates the frame and protrudes from the bottom surface of the frame, and the fastening nut is screwed to one end of the rod protruding from the bottom surface of the frame so that the head of the sleeve is crimped against the top surface of the frame; the height adjustment bolt is screwed to the upper part of the sleeve and can move up and down, and the top surface of the height adjustment bolt is crimped against the bottom surface of the support seat.

[0010] In some of the embodiments, a first positioning hole is opened at each of the four corners of the positioning frame, and a corresponding second positioning hole is opened on the support seat connected to the positioning frame; the tower crane foundation also includes a plurality of positioning components, each positioning component includes a positioning screw and a positioning nut screwed to the upper part of the positioning screw, and the lower part of the positioning screw passes through the second positioning hole and the first positioning hole in sequence to realize the positioning of the support seat on the positioning frame.

[0011] In some of the embodiments, two supporting legs of each tower crane leg are provided with coaxially arranged pin holes, which are matched with assembly holes on the connecting bottom plate of the tower body foundation section.

[0012] In some of the embodiments, the fixing frame further includes a plurality of supporting frames, and each of the two adjacent positioning frames is connected with a supporting frame.

[0013] In some embodiments, two supporting frames are connected between two adjacent positioning frames, and the two supporting frames are arranged opposite to each other and are respectively aligned with two oppositely arranged borders on the positioning frame.

[0014] In some of the embodiments, each tower crane leg further includes two reinforcement plates, and the two reinforcement plates are respectively connected between the same ends of the two supporting legs.

[0015] In some of the embodiments, each tower crane leg further includes a plurality of ribs connected to the outer sides of the supporting legs or the reinforcing plates.

[0016] Based on the above technical scheme, the tower crane foundation in the embodiment of the utility model provides bottom support for the fixed frame and the tower crane legs thereon through the setting of the horse stool steel bars, thereby enhancing the embedded strength of the tower crane foundation; through the setting of the height adjustment component, it is convenient to accurately control the horizontality of the tower crane legs, thereby ensuring the installation accuracy and safety of the subsequent tower crane, and improving the construction efficiency of the wharf berth project. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a structural schematic diagram of the tower crane foundation of the utility model;

[0019] Figure 2 It is a structural schematic diagram of a fixed frame in a tower crane foundation of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the tower crane legs in the tower crane foundation of the utility model;

[0021] Figure 4 It is a structural schematic diagram of a height adjustment component in a tower crane foundation of the utility model;

[0022] Figure 5 It is a schematic diagram of the tower crane foundation of the utility model before being embedded;

[0023] Figure 6 It is a schematic diagram of the tower crane foundation after pre-embedding of the utility model is completed.

[0024] In the figure:

[0025] 1. Stool steel bars; 2. Fixed frame; 21. Positioning frame; 211. First positioning hole; 22. Support frame; 3. Tower crane legs; 31. Support seat; 311. Second positioning hole; 32. Support leg; 321. Pin hole; 33. Reinforcement plate; 34. Rib plate; 4. Positioning assembly; 41. Positioning screw; 42. Positioning nut; 5. Height adjustment assembly; 51. Height adjustment bolt; 52. Sleeve; 53. Fastening nut; 6. First layer of concrete pouring; 7. Second layer of concrete pouring; 8. Pile foundation; 9. Pier steel bars. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "top", "bottom", "inside", "outside", "left", "right", "front", "back", "vertical", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] refer to Figure 1-Figure 6 As shown, the utility model provides a tower crane foundation, which is arranged on the first layer of poured concrete 6 of a mid-sea pier in the construction of a wharf berth project; the tower crane foundation is used to erect a tower crane at the mid-sea pier, and then the tower crane is used to replace the crawler crane to transport and install steel cages, formwork, etc. during the construction of the wharf berth project.

[0031] Further explanation: the construction of the wharf berth project includes the construction of multiple sea piers such as working platforms, mooring piers, and berthing piers; taking two liquid bulk berth projects in a certain port area as an example, they include 2 working platforms, 4 mooring piers, and 11 mooring piers, among which the volume of the working platform is much larger than that of the mooring piers and the mooring piers. The tower crane foundation of the utility model can be set on the first layer of poured concrete 6 of the mooring pier or the mooring pier. Since the volume of the mooring pier or the mooring pier is small, it is convenient to complete the construction of the first layer of poured concrete 6 in a shorter time; it can be understood that the tower crane foundation of the utility model can be set on the first layer of poured concrete 6 of the mooring pier or the mooring pier. The number and position of the crane foundation, that is, the number and position of the tower crane, are arranged according to the working range of the tower crane boom and the orientation of each offshore pier. In addition, when the first layer of concrete pouring 6 of the offshore pier where the tower crane foundation is located is being constructed, the steel cage and formwork used for the offshore pier are still transported and installed by barges and crawler cranes. After the installation and pre-embedding of the tower crane foundation are completed, the tower crane is erected, and the tower crane can be used to transport and install the steel cage and formwork used for other offshore piers, thereby improving the construction efficiency of the wharf berth project.

[0032] The tower crane foundation of the utility model comprises a horse stool steel bar 1, a fixed frame 2, and four tower crane legs 3.

[0033] The lower part of the horse stool steel bar 1 is buried in the first layer of poured concrete 6 of the mid-sea pier. The top surface of the horse stool steel bar 1 is higher than the top surface of the first layer of poured concrete 6, and the top surface of the horse stool steel bar 1 forms a horizontal supporting surface.

[0034] The fixed frame 2 is connected to the top surface of the horse stool steel bar 1, that is, the horizontal supporting surface; the connection between the fixed frame 2 and the horse stool steel bar 1 includes, but is not limited to, welding connection. The fixed frame 2 includes four square-shaped positioning frames 21, that is, the positioning frame 21 includes four frames, and the four frames are connected end to end to form a square shape; the four positioning frames 21 are arranged in a square shape. A height adjustment component 5 with an adjustable top surface height is installed in the middle of the four frames of each positioning frame 21.

[0035] The four tower crane legs 3 are arranged on the top surfaces of the four positioning frames 21 in a one-to-one correspondence. Each tower crane leg 3 includes a support seat 31 and two support legs 32. The two support legs 32 are vertically protruded on the top surface of the support seat 31 and are symmetrically arranged relative to the center of the support seat 31. The support seat 31 is connected to the top surface of the positioning frame 21, and the center of the support seat 31, that is, the center of the tower crane leg 3, is aligned with the center of the positioning frame 21; the top surfaces of the four height adjustment components 5 on the positioning frame 21 are all pressed onto the bottom surface of the support seat 31. The two support legs 32 constitute an assembly interface, which is compatible with the connecting bottom plate of the tower body foundation section of the tower crane to be installed; thus, through the setting of the four assembly interfaces on the four tower crane legs 3, the tower body foundation section of the tower crane to be installed can be assembled to the tower crane foundation. It is further explained that by adjusting the top surface height of each height adjustment component 5 on each positioning frame 21, the horizontality of each tower crane leg 3 can be adjusted; during adjustment, a spirit level is placed on the tower crane leg 3, and the top surface height of the height adjustment component 5 is slowly adjusted until the horizontality of the tower crane leg 3 is adjusted to within 1‰, and then the connection between the tower crane leg 3 and the positioning frame 21 can be reinforced, and the reinforcement method includes but is not limited to welding; thereby, by accurately controlling the horizontality of the tower crane leg 3, the verticality of the subsequent tower crane installation is ensured, thereby ensuring its installation accuracy and safety.

[0036] It should be noted that, after the horizontality of the tower crane legs 3 is adjusted to the right level, the second layer of poured concrete 7 of the sea pier where the tower crane foundation is located is constructed, and the horse stool steel bars 1, the fixed frame 2 and most of the height of the tower crane legs 3 will be wrapped by the second layer of poured concrete 7. After the concrete strength reaches the preset requirements, the pre-embedding of the tower crane foundation at the sea pier is completed; the tower body foundation section connecting the bottom plate of the tower crane to be installed is assembled to the four tower crane legs 3, and the subsequent tower crane installation is carried out.

[0037] In the above-mentioned schematic embodiment, the arrangement of the horse stool steel bars 1 provides bottom support for the fixed frame 2 and the tower crane legs 3 thereon, thereby enhancing the embedded strength of the tower crane foundation; the arrangement of the height adjustment assembly 5 facilitates the precise regulation of the horizontality of the tower crane legs 3, thereby ensuring the accuracy and safety of the subsequent installation of the tower crane; on this basis, the tower crane is erected at the tower crane foundation at the mid-sea pier, and the tower crane can be used to quickly complete the transportation and installation of the steel cages and formworks used in other mid-sea piers, significantly improving the construction efficiency of the wharf berth project, and is less affected by weather and waves. Compared with the prior art of using barges and crawler cranes to transport and install steel cages, formworks, etc., the utilization rate of ships is reduced, the weather utilization rate is improved, and the construction safety is improved.

[0038] refer to Figure 1 , Figure 2 , Figure 4 As shown, in some embodiments, the height adjustment assembly 5 includes a height adjustment bolt 51, a sleeve 52 and a fastening nut 53. The sleeve 52 includes a head and a rod that are coaxially arranged, and the outer diameter of the head is larger than the outer diameter of the rod; the rod of the sleeve 52 vertically penetrates the frame of the positioning frame 21 and protrudes from the bottom surface of the frame, and the fastening nut 53 is screwed to one end of the rod that protrudes from the bottom surface of the frame, so that the head of the sleeve 52 is pressed against the top surface of the frame; thereby, the sleeve 52 is fastened to the positioning frame 21. The height adjustment bolt 51 includes a bolt head and a screw rod; the height adjustment bolt 51 is screwed to the upper part of the sleeve 52 through the screw rod, and the height adjustment bolt 51 can move up and down relative to the sleeve 52, and the top surface of the height adjustment bolt 51, that is, the top surface of the bolt head, is pressed against the bottom surface of the support seat 31. This exemplary embodiment refines the structural setting of the height adjustment assembly 5, and the height of the top surface of the height adjustment bolt 51 can be adjusted by screwing the bolt head of the height adjustment bolt 51, thereby accurately adjusting the horizontality of the tower crane leg 3.

[0039] refer to Figure 1 , Figure 2 As shown, in some embodiments, first positioning holes 211 are vertically opened at the four corners of each positioning frame 21, and second positioning holes 311 are correspondingly opened on the support seat 31 connected to the positioning frame 21. The tower crane foundation also includes a plurality of positioning components 4, each positioning component 4 includes a positioning screw 41, and a positioning nut 42 screwed to the upper part of the positioning screw 41. The lower part of the positioning screw 41 passes through the second positioning hole 311 and the first positioning hole 211 in sequence, and the bottom surface of the positioning nut 42 contacts the top surface of the support seat 31, thereby realizing the positioning of the support seat 31 on the positioning frame 21; it can be understood that the lower part of the positioning screw 41 is a bare rod, and the apertures of the second positioning hole 311 and the first positioning hole 211 are adapted to the outer diameter of the bare rod. This exemplary embodiment facilitates the connection and positioning of the tower crane leg 3 on the fixed frame 2 through the arrangement of the positioning component 4.

[0040] refer to Figure 1 , Figure 3 As shown, in some embodiments, pin holes 321 are formed through the two supporting legs 32 of each tower crane leg 3, and the pin holes 321 on the two supporting legs 32 are coaxially arranged, and the number of pin holes 321 on each tower crane leg 3 is at least one group; the pin holes 321 are matched with the assembly holes on the tower body foundation section connecting bottom plate; when the tower body foundation section connecting bottom plate is assembled to the tower crane leg 3, the connection between the tower crane foundation and the tower body foundation section connecting bottom plate of the tower crane to be installed is achieved by inserting the pin shaft into the pin hole 321 and the assembly hole.

[0041] refer to Figure 1 , Figure 2 As shown, in some embodiments, the fixed frame 2 further includes a plurality of support frames 22 , and each of the adjacent positioning frames 21 is connected with a support frame 22 , thereby connecting the four positioning frames 21 into one, thereby enhancing the overall structural strength of the fixed frame 2 .

[0042] refer to Figure 1 , Figure 2 As shown, in some embodiments, two supporting frames 22 are connected between each two adjacent positioning frames 21, and the two supporting frames 22 are arranged opposite to each other and are respectively aligned with two oppositely arranged borders on the positioning frame 21, thereby further improving the connection strength between each two adjacent positioning frames 21 and making the overall structural design of the fixed frame 2 more regular.

[0043] refer to Figure 3 As shown, in some embodiments, each tower crane leg 3 also includes two reinforcing plates 33, the two reinforcing plates 33 are clamped between the two supporting legs 32 and are arranged opposite to each other, and the two reinforcing plates 33 are respectively connected between the same ends of the two supporting legs 32; thereby, the structural strength of the two supporting legs 32 is improved, and the structural strength of the tower crane leg 3 is further improved.

[0044] refer to Figure 1 , Figure 3 As shown, in some embodiments, each tower crane leg 3 further includes a plurality of ribs 34 , and the plurality of ribs 34 are respectively connected to the outer sides of the supporting legs 32 or the reinforcing plates 33 , thereby further improving the structural strength of the tower crane legs 3 .

[0045] Combine the following Figure 1-Figure 6 , briefly describe the main construction process of the tower crane foundation of the utility model:

[0046] 1) Determine the offshore pier where the tower crane foundation is to be buried. The foundation pit excavation and pile foundation 8 burying construction have been completed at the offshore pier. Use a barge and crawler crane to transport the template and install it at the offshore pier. Carry out the pouring construction of the first layer of pouring concrete 6 of the offshore pier in the template, and bury the lower part of the horse stool steel bar 1 in the first layer of pouring concrete 6;

[0047] 2) Laying out the tower crane foundation on the first layer of poured concrete 6, that is, marking out the layout positions of the four tower crane legs 3;

[0048] 3) Connect the fixed frame 2 equipped with the height adjustment assembly 5 to the top surface of the horse stool steel bar 1, and make the centers of the four positioning frames 21 correspond to the layout positions of the four tower crane legs 3 on the first layer of poured concrete 6;

[0049] 4) placing the four tower crane legs 3 on the four positioning frames 21 respectively, and positioning the tower crane legs 3 on the positioning frames 21 through the positioning assembly 4;

[0050] 5) Screw the height adjustment bolt 51 in the height adjustment assembly 5 to finely adjust the level of each tower crane leg 3 until the level of each tower crane leg 3 is adjusted to within 1‰, and then reinforce the connection between the tower crane leg 3 and the positioning frame 21;

[0051] 6) Use a square barge and crawler crane to transport the pier steel bars 9 and place them on the first layer of cast concrete 6, then cast the second layer of cast concrete 7 of the mid-sea pier in the formwork. The second layer of cast concrete 7 wraps the horse stool steel bars 1, the fixed frame 2 and most of the height of the tower crane legs 3. The top surface height of the second layer of cast concrete 7 is slightly lower than the height of the pin holes 321 on the tower crane legs 3. After the concrete strength reaches the preset requirements, the tower crane foundation is embedded in the mid-sea pier.

[0052] 7) Use the barge and crawler crane to assemble the tower body foundation section of the tower crane to be installed onto the four tower crane legs 3 of the tower crane foundation, and then carry out the subsequent installation of the tower crane; when the erection of the tower crane at the offshore pier is completed, the tower crane is used to replace the barge and crawler crane to transport and install the steel cages and templates used for other offshore piers.

[0053] In summary, the tower crane foundation of the utility model is convenient for accurately regulating the horizontality of the tower crane legs 3, thereby ensuring the installation accuracy and safety of the subsequent tower crane; and then relying on the tower crane foundation buried at the sea pier to erect the tower crane, it is possible to quickly complete the transportation and installation of the steel cage and formwork used in other sea piers, significantly improving the construction efficiency of the entire wharf berth project, solving the problems of many restrictions, high costs, low safety factors, and long installation time when using square barges and crawler cranes to transport and install steel cages, formworks, etc. under the existing technology, and providing an important reference for similar offshore engineering construction.

[0054] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0055] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for which protection is requested in the utility model.

Claims

1. A tower crane foundation, characterized in that: The tower crane foundation is arranged on the first layer of poured concrete of a mid-sea pier in the construction of a dock berth project, and the tower crane foundation comprises: The saddle steel bar has a lower portion buried in the first layer of poured concrete; the top surface of the saddle steel bar is higher than the top surface of the first layer of poured concrete, and forms a horizontal supporting surface; A fixed frame connected to the horizontal supporting surface of the horse stool steel bar; the fixed frame includes four square-shaped positioning frames, and the four positioning frames are arranged at the four corners of a square; a height-adjusting component with an adjustable top surface height is installed in the middle of the four frames of each positioning frame; Four tower crane legs are arranged on the four positioning frames in a one-to-one correspondence; each of the tower crane legs includes a support seat and two support legs protruding from the top surface of the support seat and arranged opposite to each other; the support seat is connected to the top surface of the positioning frame, and the top surfaces of the four height adjustment components on the positioning frame are all pressed onto the bottom surface of the support seat; the two support legs constitute an assembly interface to adapt to the connecting bottom plate of the tower body foundation section of the tower crane to be installed.

2. The tower crane foundation according to claim 1, characterized in that: The height adjustment assembly includes a height adjustment bolt, a sleeve and a fastening nut; the sleeve includes a head and a rod, the rod of the sleeve vertically penetrates the frame and protrudes from the bottom surface of the frame, and the fastening nut is screwed to one end of the rod protruding from the bottom surface of the frame so that the head of the sleeve is pressed against the top surface of the frame; the height adjustment bolt is screwed to the upper part of the sleeve and can move up and down, and the top surface of the height adjustment bolt is pressed against the bottom surface of the support seat.

3. The tower crane foundation according to claim 1, characterized in that: A first positioning hole is opened at each of the four corners of the positioning frame, and a second positioning hole is correspondingly opened on the support seat connected to the positioning frame; the tower crane foundation also includes a plurality of positioning components, each of the positioning components includes a positioning screw and a positioning nut screwed to the upper part of the positioning screw, and the lower part of the positioning screw passes through the second positioning hole and the first positioning hole in sequence to realize the positioning of the support seat on the positioning frame.

4. The tower crane foundation according to claim 1, characterized in that: The two supporting legs of each tower crane leg are provided with coaxially arranged pin holes, which are matched with the assembly holes on the connecting bottom plate of the tower body foundation section.

5. The tower crane foundation according to claim 1, characterized in that: The fixing frame further comprises a plurality of supporting frames, and each of the two adjacent positioning frames is connected with a supporting frame.

6. The tower crane foundation according to claim 5, characterized in that: Two supporting frames are connected between two adjacent positioning frames. The two supporting frames are arranged opposite to each other and are respectively aligned with two oppositely arranged borders on the positioning frame.

7. The tower crane foundation according to claim 1, characterized in that: Each of the tower crane legs also includes two reinforcement plates, and the two reinforcement plates are respectively connected between the same ends of the two supporting legs.

8. The tower crane foundation according to claim 7, characterized in that: Each of the tower crane legs also includes a plurality of ribs, and the ribs are connected to the outer sides of the supporting legs or the reinforcing plates.

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