CN216807893U - Lower column pier type tower crane foundation - Google Patents
Lower column pier type tower crane foundation Download PDFInfo
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- CN216807893U CN216807893U CN202123194222.6U CN202123194222U CN216807893U CN 216807893 U CN216807893 U CN 216807893U CN 202123194222 U CN202123194222 U CN 202123194222U CN 216807893 U CN216807893 U CN 216807893U
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Abstract
The utility model provides a lower column pier type tower crane foundation, which comprises: the pre-buried festival of tower crane, the lower extreme of the pre-buried festival of tower crane is provided with column pier under the basis, and the outside of column pier is provided with the peripheral raft board of basis down to the lower extreme of column pier is provided with down the column pier iron reinforcement under the basis, the lower extreme of the peripheral raft board of basis is provided with the waterproof layer, and the lower extreme of waterproof layer is provided with plain concrete bed course, the outside of the peripheral raft board of basis is provided with the stagnant water steel sheet, and the upside of the peripheral raft board of basis is provided with the iron reinforcement on the basis. The utility model solves the problems of concrete and reinforcing steel bar material waste caused by cubic foundations designed by all tower crane manufacturers on the market, poor structural stability of embedded sections and low safety coefficient of connection with crane equipment.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a lower column pier type tower crane foundation.
Background
The tower crane is a necessary large-scale machine device in the construction of constructional engineering, and because the large-scale machine device has large lifting capacity, long and large arms and high independent height, a very large bending moment can be generated at the bottom of the tower crane, and a concrete foundation with large volume and heavy weight needs to be manufactured during the installation so as to ensure the use safety of the concrete foundation. This basis will abandon after construction is accomplished, and it buries in underground also unable recovery, therefore a large amount of reinforcing bars, concrete material can be wasted to this basis, improves project cost and is unfavorable for energy-concerving and environment-protective.
At present, all tower crane manufacturer's in the market basis of designing is the cube, and its structural design is unreasonable, and when the tower crane model is great, construction engineering ground bearing capacity was not enough, still need the increase size moreover, consequently can increase the waste of material, and secondly current tower crane embedded section structural stability is relatively poor, and it is lower with hoist equipment connection factor of safety.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a lower pier type tower crane foundation is provided so as to solve the problem of waste of concrete and reinforcing steel bar materials caused by cubic foundations designed by all tower crane manufacturers on the market.
In order to achieve the above object, there is provided a lower pier-type tower crane foundation comprising:
the pre-buried festival of tower crane, the lower extreme of the pre-buried festival of tower crane is provided with column pier under the basis, and the outside of column pier is provided with basic peripheral raft board under the basis to the lower extreme of column pier is provided with iron reinforcement under the column pier under the basis, the lower extreme of basic peripheral raft board is provided with the waterproof layer, and the lower extreme of waterproof layer is provided with plain concrete bed course, the outside of basic peripheral raft board is provided with the stagnant water steel sheet, and the upside of basic peripheral raft board is provided with iron reinforcement on the basis to the downside of basic peripheral raft board is provided with iron reinforcement under the basis.
Furthermore, the front view section of the lower foundation column pier is of an isosceles trapezoid structure with a wide upper part and a narrow lower part, and the embedded section of the tower crane is fixed at the center of the lower foundation column pier.
Further, the stagnant water steel sheet sets up to the steel sheet piece that both ends were equipped with the lateral bend angle, arranges the outside at the peripheral raft of basis between two parties, and steel sheet piece later stage and peripheral building main body raft pour into an overall structure.
Further, the lower iron reinforcement of the lower column pier is arranged to be arranged at the bottom of the lower column pier of the foundation in a grid mode, the upper portion of the lower iron reinforcement of the lower column pier is provided with a horizontal section of reinforcement which is bound and fixed with the upper iron reinforcement of the foundation, and the lower iron reinforcement of the lower column pier and the lower column pier of the foundation are poured into an integral structure.
Furthermore, half of stagnant water steel sheet level placed in the middle is in the structure of basic peripheral raft outside, and half is arranged in the structure of basic peripheral raft outside, and the height of basic peripheral raft is unanimous with the height of building subject raft.
Further, iron reinforcement and basic iron reinforcement are all overhanging overlap joint length of peripheral raft board of basis down on the basis, and the later stage of being convenient for carries out the overlap joint with the reinforcing bar of peripheral building subject raft board, connects to become wholly.
Further, the pre-buried festival of tower crane sets up including inboard cross connecting rod, and cross connecting rod's upper end is provided with the cross connecting rod to the cross connecting rod encloses into square structure, and the outer end corner end setting of cross connecting rod is connected with the top connecting seat, and threaded connection hole has been seted up to the upper end of top connecting seat, and the lower extreme of top connecting seat is provided with the diagonal brace.
Further, the lower extreme of top connecting seat is provided with the surrounding rod, and the surperficial outside of surrounding rod is provided with horizontal boss, and the lower extreme of horizontal boss is provided with vertical boss to the lower extreme of vertical boss is provided with the bottom connecting seat, and the lower extreme of bottom connecting seat is connected with the piece of burying deeply.
The beneficial effect of the utility model is that,
1. the lower column pier type tower crane foundation adjusts the tower crane foundation into a lower column pier form, so that the stress of the tower crane foundation is more reasonable, the total material consumption is reduced, and the engineering quantity of earth excavation during construction is also reduced;
2. according to the utility model, the top of the lower column pier and the raft plates around the foundation can form a building main body, so that the material waste is reduced;
3. the utility model avoids the right-angle outer edge of the cubic structure of the traditional foundation, so that the lower waterproof layer is easier to construct, and the waterproof quality is improved;
4. through the deep embedded part, the bottom connecting seat, the surrounding rods and the cross connecting rods which are included by the embedded section of the tower crane, the structural strength of the whole embedded section is enhanced, and the safety coefficient of connection with crane equipment is further improved.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure according to an embodiment of the present invention.
FIG. 2 is a schematic partial side view cross-sectional structure according to an embodiment of the utility model.
Fig. 3 is a bottom view schematically illustrating the structure of the present invention.
Fig. 4 is a schematic structural diagram of a pre-buried section according to an embodiment of the present invention.
1. Pre-embedding sections of a tower crane; 11. a cross connecting rod; 12. a top connection seat; 13. connecting holes; 14. a diagonal brace; 15. a surrounding rod; 16. a transverse reinforcing block; 17. a longitudinal reinforcing block; 18. a bottom connecting seat; 19. deeply burying the part; 2. a foundation lower column pier; 3. raft plates around the foundation; 4. a waterproof layer; 5. a plain concrete cushion; 6. a water stop steel plate; 7. iron reinforcement on the foundation; 8. iron reinforcing steel bars are arranged below the lower column piers; 9. iron reinforcement under the foundation.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a front view structural schematic diagram, fig. 2 is a cross-sectional structural schematic diagram, fig. 3 is a bottom view structural schematic diagram, and fig. 4 is a pre-buried section structural schematic diagram.
Referring to fig. 1 to 4, the present invention provides a lower pier type tower crane foundation, including: the prefabricated foundation comprises a tower crane embedded section 1, a foundation lower pier 2, a foundation peripheral raft plate 3, a waterproof layer 4, a plain concrete cushion layer 5, a water stop steel plate 6, a foundation upper iron reinforcement 7, a lower pier lower iron reinforcement 8 and a foundation lower iron reinforcement 9.
Specifically, the lower extreme of pre-buried festival 1 of tower crane is provided with column pier 2 under the basis, and the outside of column pier 2 is provided with peripheral raft 3 of basis under the basis, and the lower extreme of column pier 2 is provided with down column pier iron reinforcement 8, the lower extreme of peripheral raft 3 of basis is provided with waterproof layer 4, and waterproof layer 4's lower extreme is provided with plain concrete bed course 5, the outside of peripheral raft 3 of basis is provided with stagnant water steel sheet 6, and the upside of peripheral raft 3 of basis is provided with iron reinforcement 7 on the basis, and the downside of peripheral raft 3 of basis is provided with iron reinforcement 9 under the basis.
In this embodiment, the lower pier-type tower crane foundation of this embodiment is composed of a foundation lower pier 2 and a foundation peripheral raft 3, and the used materials are steel bars and concrete.
The front section of the lower foundation pier 2 is an isosceles trapezoid structure with a wide upper part and a narrow lower part, and the embedded section 1 of the tower crane is fixed at the center of the lower foundation pier 2.
In the embodiment, the lower foundation pier 2 is used for embedding and installing an embedded section or an embedded leg used by the tower crane, the height of the lower foundation pier is determined according to the model of the tower crane, and the embedding depth requirement of the embedded section or the embedded leg is required to be met; the width of the bottom surface of the tower crane is 1m to 2m wider than that of the tower body of the tower crane, so that the requirement of the foundation on impact resistance is met.
In this embodiment, the height of the raft 3 around the foundation is the same as or slightly thicker than the building main body, preferably 300mm to 600mm, and the width is determined by bidirectional eccentric anti-overturning calculation according to the tower crane load.
As a better implementation mode, the lower part of the whole foundation is provided with a plain concrete cushion layer 5 and a waterproof layer 4, so that the whole foundation can be conveniently connected with the building main body to form a whole in the later period; the peripheral raft 3 of foundation sets up stagnant water steel sheet 6 all around, and the way is with basement construction joint for be connected rather than when building main body raft construction and form wholly.
Stagnant water steel sheet 6 sets up to the steel sheet piece that both ends were equipped with the lateral bend angle, arranges the outside at peripheral raft 3 of basis between two parties, and steel sheet piece later stage and peripheral building subject raft pour into an overall structure.
As a preferred embodiment, the water stop steel plates 6 having the downwardly inclined side bent shape at both ends prevent groundwater from penetrating into the structural body.
The lower iron steel bars 8 of the lower column pier are arranged to be arranged at the bottom of the lower column pier 2 of the foundation in a latticed mode, the upper portions of the lower iron steel bars 8 of the lower column pier are provided with steel bars of horizontal sections, the steel bars and the upper iron steel bars 7 of the foundation are bound and fixed, and the lower iron steel bars 8 of the lower column pier and the lower column pier 2 of the foundation are poured into an integral structure.
As a better implementation mode, the lower pier lower iron reinforcement 8, the foundation upper iron reinforcement 7 and the foundation lower iron reinforcement 9 are concreted to form an integral structure of the foundation lower pier 2 and the foundation peripheral raft 3, so that the stability and the structural strength of the lower pier type tower crane foundation are enhanced.
Half of stagnant water steel sheet 6 level placed in the middle is in the structure in the peripheral raft 3 outside of basis, and half is arranged in the structure of peripheral raft 3 of basis outside, and the height of the peripheral raft 3 of basis is unanimous with the height of building subject raft.
The tower crane embedded section 1 is provided with a cross connecting rod 11 including an inner side, the upper end of the cross connecting rod 11 is provided with a transverse connecting rod, the transverse connecting rod is enclosed into a square structure, the outer end corner end of the transverse connecting rod is provided with a top connecting seat 12, the upper end of the top connecting seat 12 is provided with a threaded connecting hole 13, and the lower end of the top connecting seat 12 is provided with an inclined stay bar 14.
As a preferred embodiment, the top connecting seat 12 and the connecting hole 13 are convenient for stable connection of crane equipment, the cross connecting rod 11 enhances the structural stability of the integral embedded section, and the bottom of the inclined supporting rod 14 is welded and fixed with the outer side of the surrounding rod 15 to enhance the stability of the top connecting seat 12.
The lower extreme of top connecting seat 12 is provided with surrounding rod 15, and the surperficial outside of surrounding rod 15 is provided with horizontal reinforcement piece 16, and the lower extreme of horizontal reinforcement piece 16 is provided with vertical reinforcement piece 17, and the lower extreme of vertical reinforcement piece 17 is provided with bottom connecting seat 18, and the lower extreme of bottom connecting seat 18 is connected with deep buried piece 19.
In this embodiment, the rail 15 sets up to square tubular construction, and vertical rail 15 connects into square structure with whole pre-buried festival, and horizontal reinforcement piece 16 and vertical reinforcement piece 17 are around the outside welded fastening of rail 15, and horizontal reinforcement piece 16 is the same with vertical reinforcement piece 17 structure, all sets up to C shape open type frid structure, and the inside bolt that sets up of bottom connecting seat 18 eats into the peripheral raft 3 of basis inside, and buries the inside of column pier 2 under the basis deeply 19.
Firstly, calculating and determining the size of a foundation and reinforcing bars according to a structure diagram of an engineering project and a specification of a tower crane; excavating earthwork according to the design elevation of the foundation, and clearing and checking the groove; pouring a plain concrete cushion layer 5, and constructing a waterproof layer 4; binding a foundation steel bar, installing a pre-buried section 1 or a pre-buried support leg of the tower crane, and arranging a water stop steel plate 6; pouring concrete and maintaining; after the concrete reaches the required strength, a tower crane is installed; and constructing the raft, and connecting the raft with the tower crane foundation to form a whole.
The lower column pier type tower crane foundation can effectively solve the problem of waste of concrete and reinforcing steel bar materials caused by cubic foundations designed by all tower crane manufacturers on the market, and the tower crane foundation is adjusted into a lower column pier mode to be more reasonable in stress, so that the total material consumption is reduced, and the engineering quantity of earth excavation during construction is also reduced; according to the utility model, the top of the lower column pier and the raft plates around the foundation can form a building main body, so that the material waste is reduced; the utility model avoids the right-angle outer edge of the cubic structure of the traditional foundation, makes the lower waterproof layer easier to construct and improves the waterproof quality.
Claims (8)
1. A lower pier tower crane foundation, comprising: pre-buried festival (1) of tower crane, the lower extreme of pre-buried festival (1) of tower crane is provided with column pier (2) under the basis, and the outside of column pier (2) is provided with peripheral raft (3) of basis to the lower extreme of column pier (2) is provided with down column pier iron reinforcement (8), the lower extreme of peripheral raft (3) of basis is provided with waterproof layer (4), and the lower extreme of waterproof layer (4) is provided with plain concrete bed course (5), the outside of peripheral raft (3) of basis is provided with stagnant water steel sheet (6), and the upside of peripheral raft (3) of basis is provided with iron reinforcement (7) on the basis to the downside of peripheral raft (3) of basis is provided with iron reinforcement (9) under the basis.
2. The lower pier-type tower crane foundation according to claim 1, wherein the front section of the foundation lower pier (2) is an isosceles trapezoid structure with a wide upper part and a narrow lower part, and the tower crane embedded section (1) is fixed at the center of the foundation lower pier (2).
3. A lower pier tower crane foundation according to claim 1, wherein the water stop steel plates (6) are provided as steel plate pieces with lateral bending angles at both ends, and are arranged centrally outside the peripheral raft (3) of the foundation, and the steel plate pieces are cast with the peripheral building main body raft into an integral structure at a later stage.
4. The lower pier-type tower crane foundation according to claim 1, wherein the lower pier lower iron steel bars (8) are arranged to be arranged at the bottom of the foundation lower pier (2) in a grid-shaped manner, the upper parts of the lower pier lower iron steel bars (8) are provided with horizontal sections of steel bars which are fixedly bound with the foundation upper iron steel bars (7), and the lower pier lower iron steel bars (8) and the foundation lower pier (2) are poured into an integral structure.
5. A pier-descending tower crane foundation according to claim 1, wherein the water stop steel plates (6) are placed half-way inside the structure outside the foundation perimeter rafts (3) and half-way outside the structure of the foundation perimeter rafts (3), and the height of the foundation perimeter rafts (3) is the same as the height of the building body rafts.
6. A lower pier tower crane foundation according to claim 1, wherein the foundation upper iron reinforcement (7) and the foundation lower iron reinforcement (9) extend outwardly beyond the foundation perimeter raft (3) by an overlap length.
7. The lower pier-type tower crane foundation according to claim 1, wherein the tower crane embedded section (1) comprises an inner cross connecting rod (11), a cross connecting rod is arranged at the upper end of the cross connecting rod (11) and surrounds a square structure, a top connecting seat (12) is connected to the corner end of the outer end of the cross connecting rod, a threaded connecting hole (13) is formed in the upper end of the top connecting seat (12), and an inclined strut (14) is arranged at the lower end of the top connecting seat (12).
8. A lower pier tower crane foundation according to claim 7, wherein the lower end of the top connecting base (12) is provided with a surrounding rod (15), and the surface outside of the surrounding rod (15) is provided with a transverse reinforcing block (16), the lower end of the transverse reinforcing block (16) is provided with a longitudinal reinforcing block (17), and the lower end of the longitudinal reinforcing block (17) is provided with a bottom connecting base (18), and the lower end of the bottom connecting base (18) is connected with a deep buried part (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123194222.6U CN216807893U (en) | 2021-12-17 | 2021-12-17 | Lower column pier type tower crane foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123194222.6U CN216807893U (en) | 2021-12-17 | 2021-12-17 | Lower column pier type tower crane foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216807893U true CN216807893U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123194222.6U Active CN216807893U (en) | 2021-12-17 | 2021-12-17 | Lower column pier type tower crane foundation |
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| CN (1) | CN216807893U (en) |
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2021
- 2021-12-17 CN CN202123194222.6U patent/CN216807893U/en active Active
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