CN217601493U - High pile cap tower crane foundation - Google Patents
High pile cap tower crane foundation Download PDFInfo
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- CN217601493U CN217601493U CN202221039314.9U CN202221039314U CN217601493U CN 217601493 U CN217601493 U CN 217601493U CN 202221039314 U CN202221039314 U CN 202221039314U CN 217601493 U CN217601493 U CN 217601493U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 116
- 239000010959 steel Substances 0.000 claims abstract description 116
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 18
- 239000004567 concrete Substances 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of tower crane foundations, and provides a high pile cap tower crane foundation, which comprises a steel platform and a supporting pile arranged below the steel platform; the supporting pile comprises a reinforced concrete cast-in-place pile and a steel column which is fixed at the top of the reinforced concrete cast-in-place pile and extends upwards; the upper end of the steel column is fixedly connected with the steel platform. The embodiment of the utility model provides a high pile cushion cap tower crane foundation, steel platform and steel column can be at the prefabricated shaping of mill, the job site only needs concreting in order to form the reinforced concrete bored concrete pile, compared with the prior art, the concrete placement volume of job site has been reduced, concrete placement time and setting time have been shortened, and then the efficiency of construction of tower crane foundation has been improved, the engineering time of tower crane foundation has been reduced, the advance of tower crane installation progress has been promoted, and then can utilize the tower crane in advance to carry out perpendicular transportation to the material.
Description
Technical Field
The utility model belongs to the technical field of tower crane foundation technique and specifically relates to a high pile cap tower crane foundation.
Background
In the structural construction of buildings, a tower crane is often adopted to vertically transport materials. The traditional construction method comprises the following steps: firstly, excavating a foundation pit, after earth is excavated to the elevation of a substrate, constructing a tower crane foundation, and then installing a tower crane on the tower crane foundation. The construction mode can not utilize the tower crane to vertically transport materials in the early stage of foundation pit construction, so that the vertical transportation difficulty of the materials in the early stage of the foundation pit construction is high, and the construction period is prolonged.
At present, through constructing the high pile cap tower crane foundation to just can accomplish the installation of tower crane before the foundation ditch excavation, and then solved the perpendicular transportation problem of material of foundation ditch early stage. For example, patent application No. 201810001964.6 discloses a high-pile bearing platform tower crane foundation reinforcing structure and a construction method thereof, but the steel pipe pile and the bearing platform of the tower crane foundation are formed by pouring concrete, so that the construction period of the tower crane foundation is long, and the construction efficiency is low; and the tower crane foundation mostly adopts concrete to cause its load great, is unfavorable for holistic stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: the high-pile bearing platform tower crane foundation is provided, and the construction efficiency of the tower crane foundation is improved.
The utility model provides a technical scheme that its technical problem adopted is: the high pile cap tower crane foundation comprises a steel platform and a support pile arranged below the steel platform; the supporting pile comprises a reinforced concrete cast-in-place pile and a steel column which is fixed at the top of the reinforced concrete cast-in-place pile and extends upwards; the upper end of the steel column is fixedly connected with the steel platform.
Furthermore, four tower crane bases which are arranged in a square shape are fixed above the steel platform.
Further, the tower crane base comprises a tower crane column and an ear plate; the tower hoisting column is vertically arranged, and the lower end of the tower hoisting column is fixedly connected with the steel platform; the lug plate is fixedly connected with the side surface of the tower crane column; the ear plate is provided with a first through hole which is vertically arranged.
Furthermore, the lower end of the steel column is arranged in the reinforced concrete cast-in-place pile and is fixedly connected with a reinforcement cage in the reinforced concrete cast-in-place pile.
Further, the steel platform is fixedly connected with the steel column through a bolt structure.
Furthermore, a positioning cylinder sleeved on the steel column is fixed below the steel platform.
Furthermore, the steel column comprises a central column body with a cross-shaped cross section and four side plates which are uniformly distributed on the circumference and fixed around the central column body at intervals.
Furthermore, a lug extending to the position between the adjacent side plates is arranged on the inner surface of the positioning cylinder.
Further, the number of the support piles is five; wherein the four supporting piles are arranged in a square shape; the other support pile is arranged in the middle of the four support piles arranged in a square shape.
Furthermore, tie plates are fixed among the steel columns of the four square support piles.
The utility model has the advantages that: the embodiment of the utility model provides a high pile cushion cap tower crane foundation, steel platform and steel column can be at the prefabricated shaping of mill, the job site only needs concreting in order to form the reinforced concrete bored concrete pile, compared with the prior art, the concrete placement volume of job site has been reduced, concrete placement time and setting time have been shortened, and then the efficiency of construction of tower crane foundation has been improved, the engineering time of tower crane foundation has been reduced, the advance of tower crane installation progress has been promoted, and then can utilize the tower crane in advance to carry out perpendicular transportation to the material.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below; it is obvious that the drawings in the following description are only some of the embodiments described in the present application, and that, to a person skilled in the art, other drawings can also be derived from them without inventive effort.
FIG. 1 is a schematic structural diagram of a high pile cap tower crane foundation provided by the embodiment of the utility model;
FIG. 2 is a schematic structural diagram of the connection of a tower crane base and a steel platform;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a top view of the support post;
FIG. 5 is a schematic view of the structure of FIG. 1 with the steel platform removed;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is an enlarged view at B in FIG. 5;
FIG. 8 is a schematic view of the structure of the positioning cylinder connected with the steel platform.
The reference numbers in the figures are: 101-steel platform, 102-support pile, 103-reinforced concrete cast-in-place pile, 104-steel column, 105-tower crane base, 106-tower crane column, 107-lug plate, 108-first through hole, 109-steel reinforcement cage, 110-positioning barrel, 111-central column, 112-side plate, 113-lug, 114-tie plate, 115-tray, 116-bolt hole, 117-threaded hole.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. In case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
Referring to fig. 1, the high pile cap tower crane foundation provided by the embodiment of the present invention includes a steel platform 101 and a support pile 102 disposed below the steel platform 101; the support pile 102 comprises a reinforced concrete cast-in-place pile 103 and a steel column 104 which is fixed at the top of the reinforced concrete cast-in-place pile 103 and extends upwards; the upper end of the steel column 104 is fixedly connected with the steel platform 101.
The embodiment of the utility model provides a high pile cap tower crane basis mainly includes steel platform 101 and support column 102. The steel platform 101 is a steel structure made of steel plates and used as a bearing platform for installing a tower crane. The support piles 102 are disposed below the steel platform 101 to support the steel platform 101. The number of the supporting columns 102 should be set according to the intensity calculation, and is not particularly limited herein. The support column 102 comprises a reinforced concrete cast-in-place pile 103 and a steel column 104; the reinforced concrete cast-in-place pile 103 is formed by pouring reinforced concrete, the steel column 104 is a steel structure made of profile steel, the lower end of the steel column 104 is fixedly connected with the top of the reinforced concrete cast-in-place pile 103, and the upper end of the steel column 104 is fixedly connected with the steel platform 101.
The embodiment of the utility model provides a high pile cushion cap tower crane foundation, because steel platform 101 and steel column 104 are the steel construction, can be in advance at the prefabricated shaping of mill, only need on the foundation ditch pore-forming and pour reinforced concrete in order to form reinforced concrete bored concrete pile 103 downthehole at the job site like this, compared with the prior art, the concrete placement volume of job site has been reduced, concrete placement time and setting time have been shortened, and then the efficiency of construction on tower crane foundation has been improved, the engineering time on tower crane foundation has been reduced, the advance of tower crane installation progress has been promoted, and then can utilize the tower crane to carry out perpendicular transportation to the material in advance.
The embodiment of the utility model provides a high pile cap tower crane foundation construction accomplishes the back, and the body of the tower crane can directly support on steel platform 101 to adopt welding or bolted connection's mode and steel platform 101 fixed connection. Of course, the tower body of the tower crane can also be fixed on the steel platform 101 through an intermediate piece. For example, referring to fig. 1 and 2, four tower crane bases 105 arranged in a square shape are fixed above the steel platform 101. The tower crane base 105 is fixedly connected with the steel platform 101 and used for supporting a tower body of a tower crane. During installation, the tower body of the tower crane is supported on the four tower crane seats 105, and the tower body is fixedly connected with the four tower crane seats 105.
Referring to fig. 3, the tower crane base 105 includes a tower crane post 106 and an ear plate 107; the tower hanging columns 106 are vertically arranged, and the lower ends of the tower hanging columns are fixedly connected with the steel platform 101; the ear plate 107 is fixedly connected with the side surface of the tower crane column 106; the ear plate 107 has a first through hole 108 arranged vertically.
The tower crane column 106 supports the tower body. The tower davits 106 may be cylindrical or prismatic; in this embodiment, the tower crane post 106 is preferably an octagonal prism. The lower end face of the tower crane column 106 is in close contact with the upper surface of the steel platform 101, and the tower crane column 106 is fixedly connected with the steel platform 101 in a welding mode, a threaded connection mode or a bolt connection mode. The upper end surface of the tower crane column 106 forms a support surface for supporting the tower body. The ear plate 107 plays a role of connection; otic placode 107 welding or integrated into one piece are in tower crane post 106's side, and the vertical first through-hole 108 that supplies the bolt to pass that is provided with on the otic placode 107. When the tower crane is installed, the tower body is supported on the upper end surfaces of the four tower crane posts 106, then bolts penetrate through the first through holes 108 in the lug plates 107 and the through holes in the bottom plate of the tower body, nuts are screwed on the end portions of the bolts, and after the nuts are screwed, the tower body is supported and fixed on the tower crane posts 106. In order to improve the firmness of the fixation of the tower body, it is preferable that four ear plates 107 are arranged around the tower hanging column 106.
Referring to fig. 1, fig. 4, fig. 5, and fig. 6, an embodiment of the present invention provides a high-rise pile cap tower crane foundation, the lower end of the steel column 104 is disposed in the cast-in-place reinforced concrete pile 103 and fixedly connected to the reinforcement cage 109 in the cast-in-place reinforced concrete pile 103. Therefore, the connection strength and connection firmness of the steel column 104 and the reinforced concrete cast-in-place pile 103 can be improved, and the reliability of the support pile 102 is ensured.
The steel platform 101 is supported on top of the steel column 104, and can be fixedly connected with the steel platform by welding. Preferably, the steel platform 101 is fixedly connected to the steel column 104 through a bolt structure. For example, referring to fig. 2, 3, and 7, the bolt structure includes bolt holes 116 disposed on the steel platform 101, threaded holes 117 disposed at the top of the steel columns 104, and attachment bolts passing through the bolt holes 116 and threaded into the threaded holes 117. Preferably, the bolt hole 116 is a stepped hole with a large top and a small bottom, so that the head of the connecting bolt is accommodated in the bolt hole 116 and does not protrude from the upper surface of the steel platform 101.
Referring to fig. 8, a positioning cylinder 110 sleeved on the steel column 104 is fixed below the steel platform 101. Through setting up a location section of thick bamboo 110, at the in-process of installing steel platform 101 to steel column 104 top, can fix a position steel platform 101, and then aim at steel platform 101's bolt hole 116 and steel column 104's screw hole 117 fast, and then improved steel platform 101's installation effectiveness. The positioning cylinder 110 may be welded directly to the bottom of the steel platform 101. Preferably, the positioning cylinder 110 is fixedly connected with the steel platform 101 through a tray 115. The tray 115 is in a circular truncated cone shape with a large upper part and a small lower part; the upper end of the positioning cylinder 110 is welded with the lower end of the tray 115, and the upper end of the tray 115 is welded with the steel platform 101.
Referring to fig. 5 to 7, the steel column 104 includes a central column 111 with a cross-shaped cross section, and four side plates 112 circumferentially spaced and fixed around the central column 111. Of course, the steel column 104 may have other structures, and is not limited in particular. Referring to fig. 8, the positioning cylinder 110 is provided on an inner surface thereof with a projection 113 extending between adjacent side plates 112. When the steel platform 101 is installed, after the positioning cylinder 110 is sleeved on the upper end of the steel column 104, the convex block 113 in the positioning cylinder 110 is just clamped between the adjacent side plates 112, so that the limiting and rotation-preventing functions are achieved.
Referring to fig. 1 and 5, in the tower crane foundation of the high pile cap provided by the embodiment of the present invention, the number of the support piles 102 is five; four of the support piles 102 are arranged in a square; another support pile 102 is provided in the middle of four support piles 102 in a square arrangement. Further, tie plates 114 are fixed between the steel columns 104 of the four support piles 102 arranged in a square. The number of the tie plates 114 is four, and the four tie plates 114 are respectively arranged between two adjacent steel columns 104 and connect the adjacent steel columns 104 together; this connects the four support piles 102 in a square arrangement together by the drawknot plates 114, which improves the reliability and stability of the support piles 102.
The embodiment of the utility model provides a high pile cushion cap tower crane foundation's work progress as follows:
s1, carrying out precipitation construction on a construction site, ensuring that underground water is at least 1 meter below the bottom elevation of a filling hole, leveling earth, then paying off to determine the horizontal position of the filling hole, and digging the filling hole by adopting a rotary digging machine.
S2, transporting the prefabricated steel platform 101 and the steel column 104 to a construction site; manufacturing a reinforcement cage 109 consisting of spiral stirrups and longitudinal bars on site; after the reinforcement cage 109 is manufactured, the upper end of the reinforcement cage 109 is welded with the lower end of the steel column 104 through the short steel bars; then hoisting the reinforcement cage 109 into the pouring hole, pouring concrete into the pouring hole, and forming a reinforced concrete pouring pile 103 after the concrete is solidified; wherein the top surface of the reinforced concrete cast-in-place pile 103 is flush with or slightly lower than the structural foundation pad.
S3, hoisting the steel platform 101 to the position above the steel column 104 and supporting the steel platform 101 on the steel column 104, then fixedly connecting the steel platform 101 with the steel column 104, and then installing the tower crane on the steel platform 101; thus, the materials can be vertically transported through the tower crane.
After the tower crane is installed, the excavator can be used for foundation pit earth excavation, and manual excavation is adopted at a certain distance from the steel column 104 during earth excavation to prevent the steel column 104 from being touched. And installing a tie plate 114 when the foundation pit is excavated to a certain depth, wherein the tie plate 114 is connected with the steel column 104 through bolts and surrounds the steel column 104 in sequence for a circle. And after the tie plate 114 is installed, excavating the earthwork of the foundation pit until the excavation reaches about 200mm from the elevation of the bottom of the foundation pit, and then manually excavating to the designed elevation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The high pile cap tower crane foundation is characterized by comprising a steel platform (101) and a support pile (102) arranged below the steel platform (101); the supporting pile (102) comprises a reinforced concrete cast-in-place pile (103) and a steel column (104) which is fixed at the top of the reinforced concrete cast-in-place pile (103) and extends upwards; the upper end of the steel column (104) is fixedly connected with the steel platform (101).
2. The high-pile cap tower crane foundation of claim 1, wherein four tower crane bases (105) arranged in a square shape are fixed above the steel platform (101).
3. The high pile cap tower crane foundation of claim 2, wherein the tower crane socket (105) comprises a tower crane post (106) and an ear plate (107); the tower crane column (106) is vertically arranged, and the lower end of the tower crane column is fixedly connected with the steel platform (101); the ear plate (107) is fixedly connected with the side surface of the tower crane column (106); the ear plate (107) is provided with a first through hole (108) which is vertically arranged.
4. The high-pile cap tower crane foundation of claim 1, wherein the lower ends of the steel columns (104) are arranged in the reinforced concrete cast-in-place pile (103) and fixedly connected with a reinforcement cage (109) in the reinforced concrete cast-in-place pile (103).
5. The high pile cap tower crane foundation of claim 1, wherein the steel platform (101) is fixedly connected with the steel column (104) through a bolt structure.
6. The high-pile cap tower crane foundation according to claim 5, wherein a positioning cylinder (110) sleeved on the steel column (104) is fixed below the steel platform (101).
7. The high-pile cap tower crane foundation of claim 6, wherein the steel columns (104) comprise a central column body (111) with a cross-shaped cross section and four side plates (112) which are circumferentially and uniformly arranged and fixed around the central column body (111) at intervals.
8. The high pile cap tower crane foundation of claim 7, wherein the positioning cylinder (110) is provided with a projection (113) on its inner surface extending between adjacent side plates (112).
9. The high pile cap tower crane foundation of claim 1, wherein the number of the support piles (102) is five; wherein the four support piles (102) are arranged in a square shape; the other support pile (102) is arranged in the middle of the four support piles (102) arranged in a square shape.
10. The high-pile cap tower crane foundation of claim 9, wherein tie plates (114) are fixed between the steel columns (104) of the four support piles (102) arranged in a square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221039314.9U CN217601493U (en) | 2022-04-29 | 2022-04-29 | High pile cap tower crane foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221039314.9U CN217601493U (en) | 2022-04-29 | 2022-04-29 | High pile cap tower crane foundation |
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| Publication Number | Publication Date |
|---|---|
| CN217601493U true CN217601493U (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221039314.9U Active CN217601493U (en) | 2022-04-29 | 2022-04-29 | High pile cap tower crane foundation |
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| CN (1) | CN217601493U (en) |
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- 2022-04-29 CN CN202221039314.9U patent/CN217601493U/en active Active
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