CN212772447U - Irritate core lattice tower crane foundation structure - Google Patents
Irritate core lattice tower crane foundation structure Download PDFInfo
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- CN212772447U CN212772447U CN202020650418.8U CN202020650418U CN212772447U CN 212772447 U CN212772447 U CN 212772447U CN 202020650418 U CN202020650418 U CN 202020650418U CN 212772447 U CN212772447 U CN 212772447U
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Abstract
The utility model relates to a core-filling lattice tower crane foundation structure, which comprises four lattice columns fixedly arranged at the lower part of a bearing platform, a spiral reinforcement cage fixedly arranged in the lattice columns, shear resisting plates fixed on the lattice columns and shear resisting keys fixed on the lattice columns; the lattice column sequentially penetrates through the basement top plate and the basement bottom plate from the lower part of the tower crane bearing platform to be connected with the pile foundation, and a pre-buried pipe is arranged at the center of the lattice column buried in the tower crane bearing platform, so that concrete is poured in the center of the lattice column between the basement bottom plate and the tower crane bearing platform conveniently; the utility model discloses the practicality is strong, uses fairly simplely, not only can increase the bond stress of lattice column and concrete, improve the pulling stress of component, increase rigidity, improve overall stability, anti ability and the moment of flexure balance ability of cutting the internal stress destruction of dashing when having improved cushion cap work load moreover.
Description
Technical Field
The utility model relates to an irritate core lattice tower crane foundation structure uses at architectural equipment technical field.
Background
The tower crane is an important symbol and main transport machine for building construction, has large operation space, bears the vertical transport and horizontal transport of materials in the building construction, is widely applied to the building industry, is an important hoisting device in modern construction, and has safe and reliable operation which is an important index for ensuring the safety of the whole construction site; the tower crane is mainly characterized in that objects required by a building are lifted and carried in a large space, belongs to dangerous operation building machinery, and is slightly neglected in the links of design, manufacture, installation, use, maintenance and the like of the tower crane, so that casualties and equipment accidents can be caused. How to improve the intrinsic safety of the tower crane, how to reasonably use and manage the tower crane and make the tower crane play a role better and more safely is one of the problems to be solved urgently in the construction industry; in actual work, a tower crane needs to be installed before the basement bottom plate is completed in a plurality of construction projects according to the requirements of construction progress, a reinforced concrete bored concrete pile is implanted into a lattice column of a tower crane foundation, angle steel and a connecting plate are arranged at the top of the lattice column and extend into a reinforced concrete bearing platform of the tower crane for connection, and a lattice type tower foundation bears large loads such as vertical load, bending moment, shearing force, torque and the like. When construction basement floor, floor and roof, the longitudinal and transverse level of slab muscle passes the lattice column, and vertical reinforcing bar is restricted by lattice column angle steel, appears the slab muscle interval and surpasss the designing requirement, and the inside bulky plain concrete that forms of lattice column, lattice column steel sheet and concrete bond strength are not enough, cause and just draw a great deal of problems such as bonding strength is not enough.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses an add shear resisting board and shear key in the outside of lattice column, anti ability and the moment of flexure balancing ability of cutting the internal stress destruction of dashing when effectively having improved cushion cap work load when increasing lattice column and concrete bond stress.
The technical scheme of the utility model as follows:
a core-filling lattice tower crane foundation structure comprises four lattice columns fixedly arranged at the lower part of a bearing platform, spiral reinforcement cages fixedly arranged inside the lattice columns, shear resisting plates fixed on the lattice columns and shear resisting keys fixed on the lattice columns; the lattice column sequentially penetrates through the basement top plate and the basement bottom plate from the lower portion of the tower crane bearing platform to be connected with the pile foundation, the embedded pipe is arranged at the center of the lattice column embedded in the tower crane bearing platform, concrete is poured into the center of the lattice column between the basement bottom plate and the bottom of the tower crane bearing platform conveniently, the lattice column is a prefabricated part, and the lattice column and the spiral reinforcement cage are of a welding structure.
The part of the lower part of the lattice column, which is embedded into the pile foundation, is provided with a plurality of shear keys, the number of the shear keys on each side wall surface of the lattice column is equal and evenly distributed, and the shear keys are connected with the outer surface of the lattice column in a vertical structure.
The lattice column is provided with shear resisting plates at the positions of penetrating through the top plate and the bottom plate of the basement, and the shear resisting plates are connected with the outer surface of the lattice column in an undetachable manner.
After penetrating out of the top plate of the basement, the lattice column and the bottom surface of the bearing platform form a gap, the lattice column penetrates through the top of the bearing platform from the bottom of the bearing platform, and the top surface of the lattice column is flush with the top surface of the bearing platform.
The fixed center that sets up at the inside lattice column of embedding in tower crane cushion cap of buried pipe, the buried pipe is the cylinder type structure, and the preformed hole is seted up at the middle part of buried pipe, and the top of buried pipe is parallel and level mutually with the top face of lattice column, and the bottom of buried pipe is parallel and level mutually with the bottom face of cushion cap.
The utility model discloses following beneficial effect has:
1. the utility model discloses when using, add the spiral reinforcement cage in the inside of lattice column and make concrete and reinforcing bar combined work, increase the bond stress, improve the tensile stress of component, increase rigidity, improve overall stability.
2. Utilize the utility model provides a part that reinforced concrete bored concrete pile was buried to lattice column increases the shear key, increases the frictional force and the mechanical snap-in force of lattice column and reinforced concrete bored concrete pile core concrete, moment of flexure balance ability when improving cushion cap work load.
3. The utility model provides a lattice column is increasing the shear-resisting board passing basement roof and basement bottom plate department, the ability of cutting the internal stress destruction to anti dashing when improving cushion cap work load.
Drawings
Fig. 1 is a schematic elevation structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the middle bearing platform and the lattice column of the present invention;
fig. 3 is a schematic top view of the spiral reinforcement cage of the present invention;
fig. 4 is a schematic top view of the shear plate resistant according to the present invention;
FIG. 5 is a schematic top view of the shear key of the present invention;
the reference numbers in the figures denote:
1. tower crane; 2. a bearing platform; 3. shearing resisting plates; 4. a basement roof; 5. a lattice column; 6. a basement floor; 7. a shear key; 8. a pile foundation; 9. reserving a hole; 10. pre-burying a pipe; 11. a spiral reinforcement cage.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, the grouted lattice tower crane foundation structure includes four lattice columns 5 fixedly disposed at the lower portion of a bearing platform 2, spiral reinforcement cages 11 fixedly disposed inside the lattice columns 5, shear-resisting plates 3 fixed on the lattice columns 5, and shear-resisting keys 7 fixed on the lattice columns 5; the lattice column 5 sequentially penetrates through the basement top plate 4 and the basement bottom plate 6 from the lower portion of the tower crane bearing platform 2 to be connected with the pile foundation 8, the embedded pipe 10 is arranged at the center of the lattice column 5 embedded in the tower crane bearing platform 2, and concrete is poured in the center of the lattice column 5 between the basement bottom plate 6 and the bottom of the tower crane bearing platform 2 conveniently.
The lattice column 5 is the prefab, and lattice column 5 and spiral reinforcement cage 11 are welded structure, and the inside spiral reinforcement cage that adds of lattice column 5 makes concrete and reinforcing bar work jointly, increases the bond stress, increases rigidity, the improvement stability of improvement component.
The part of 5 lower parts of lattice column imbed pile foundation 8 is equipped with a plurality of shear key 7, and the shear key 7 quantity on 5 every lateral wall faces of lattice column is equal and evenly distributed, and the shear key 7 is the vertical structure with the outward appearance of lattice column 5 and is connected, and the shear key 7 can increase the frictional force and the mechanical interlock of lattice column 5 and reinforced concrete bored concrete pile stake core concrete, improves the moment of flexure balancing ability when cushion cap 2 work load.
The lattice column 5 is provided with the shear resisting plate 3 at the position penetrating through the basement top plate 4 and the basement bottom plate 6, the shear resisting plate 3 is connected with the outer surface of the lattice column 5 in an undetachable mode, and the shear resisting plate 3 can improve the capability of resisting the damage of the shear internal stress when the bearing platform 2 works and loads.
After penetrating out of the basement top plate 4, the latticed column 5 and the bottom surface of the bearing platform 2 are spaced, the latticed column 5 penetrates through the top of the bearing platform 2 from the bottom of the bearing platform 2, and the top surface of the latticed column 5 is flush with the top surface of the bearing platform 2.
The fixed center that sets up in the inside lattice column 5 of tower crane cushion cap 2 of burying of pre-buried pipe 10, pre-buried pipe 10 are cylinder type structure, and preformed hole 9 is seted up at the middle part of pre-buried pipe 10, and the top of pre-buried pipe 10 is parallel and level mutually with the top face of lattice column 5, and the bottom of pre-buried pipe 10 is parallel and level mutually with the bottom face of cushion cap 2.
The utility model discloses a theory of operation:
use the utility model discloses the time:
firstly, manufacturing a lattice column 5 in advance according to a design scheme, and directly fixing shear resisting plates 3 and shear resisting keys 7 on the outer surface of the lattice column 5 according to the measuring height when the lattice column 5 is prefabricated, so that the upper and lower shear resisting plates 3 correspond to the positions of a basement top plate 4 and a basement bottom plate 6 respectively after being hoisted, and the shear resisting keys 7 are embedded into a pile foundation 8; inside 5 lattice columns were installed into in advance to spiral reinforcement cage 11 in the lattice column 5 to firmly weld 5 lattice columns and 11 spiral reinforcement cages, then when pouring into pile foundation reinforcement cage under, in time transfer 5 lattice columns into pile foundation concrete.
And secondly, after the earth at the lower part of the tower crane bearing platform 2 is excavated, cleaning the latticed column 5 and the core-filling spiral reinforcement cage 11, and checking a rusted part which needs to be subjected to rust removal treatment.
And mounting the lattice column 5 by using a steel mould.
And fourthly, pouring the lattice column 5 with core concrete.
a. The over-filling of the cast-in-place pile at the lower part of the raft foundation is more than or equal to 50cm, and the over-filling concrete is manually chiseled off when the raft foundation is constructed;
b. after the lattice columns 5 buried in the raft foundation are cleaned, pouring concrete with the raft foundation simultaneously;
c. pouring core concrete of the lattice column 5 from the top surface of the raft foundation to the bottom height of the basement bottom plate simultaneously with the basement structure column;
d. after the latticed columns buried in the basement top plate 4 are cleaned, pouring concrete with the basement top plate 4 at the same time;
e. pouring concrete into the latticed column from the top plate surface 4 of the basement to the bottom of the tower footing bearing platform 2 through a preformed hole 9 formed in a pre-buried pipe 10 vertically fixed in the latticed column 5 in the tower footing bearing platform 2;
and fifthly, removing the latticed column 5 template.
And sixthly, filling the lattice column 5 with core concrete for maintenance.
And (9) ensuring the verticality of the lattice column 5.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a irritate core lattice tower crane foundation structure which characterized in that: the steel plate shearing machine comprises four latticed columns (5) fixedly arranged at the lower part of a bearing platform (2), a spiral reinforcement cage (11) fixedly arranged in the latticed columns (5), a shearing resisting plate (3) fixed on the latticed columns (5) and a shearing resisting key (7) fixed on the latticed columns (5); the lattice column (5) sequentially penetrates through a basement top plate (4) and a basement bottom plate (6) from the lower part of the tower crane bearing platform (2) to be connected with a pile foundation (8), a pre-buried pipe (10) is arranged at the center of the lattice column (5) embedded in the tower crane bearing platform (2), and concrete is conveniently poured in the center of the lattice column (5) between the basement bottom plate (6) and the bottom of the tower crane bearing platform (2).
2. The grouted lattice tower crane foundation structure of claim 1, wherein: the lattice column (5) is a prefabricated part, and the lattice column (5) and the spiral reinforcement cage (11) are of a welded structure.
3. The grouted lattice tower crane foundation structure of claim 2, wherein: the part that the pile foundation (8) was buried in lattice column (5) lower part is equipped with a plurality of shear key (7), and shear key (7) quantity on every lateral wall face of lattice column (5) equals and evenly distributed, and shear key (7) are the vertical structure with the surface of lattice column (5) and are connected.
4. The grouted lattice tower crane foundation structure of claim 3, wherein: the lattice column (5) is provided with shear resisting plates (3) at the positions of penetrating through the basement top plate (4) and the basement bottom plate (6), and the shear resisting plates (3) are connected with the outer surface of the lattice column (5) in an undetachable manner.
5. The grouted lattice tower crane foundation structure of claim 4, wherein: after penetrating out of the basement top plate (4), the latticed column (5) and the bottom surface of the bearing platform (2) are spaced, the latticed column (5) penetrates through the top of the bearing platform (2) from the bottom of the bearing platform (2), and the top surface of the latticed column (5) is flush with the top surface of the bearing platform (2).
6. The grouted lattice tower crane foundation structure of claim 5, wherein: the embedded pipe (10) is fixedly arranged at the center of a latticed column (5) embedded in the tower crane bearing platform (2), the embedded pipe (10) is of a cylindrical structure, a preformed hole (9) is formed in the middle of the embedded pipe (10), the top of the embedded pipe (10) is flush with the top surface of the latticed column (5), and the bottom of the embedded pipe (10) is flush with the bottom surface of the bearing platform (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020650418.8U CN212772447U (en) | 2020-04-26 | 2020-04-26 | Irritate core lattice tower crane foundation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020650418.8U CN212772447U (en) | 2020-04-26 | 2020-04-26 | Irritate core lattice tower crane foundation structure |
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| CN212772447U true CN212772447U (en) | 2021-03-23 |
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| CN202020650418.8U Active CN212772447U (en) | 2020-04-26 | 2020-04-26 | Irritate core lattice tower crane foundation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434355A (en) * | 2022-07-08 | 2022-12-06 | 中国十七冶集团有限公司 | Self-lifting tower crane foundation for soft foundation of coastal mudflat and tower crane installation method |
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2020
- 2020-04-26 CN CN202020650418.8U patent/CN212772447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434355A (en) * | 2022-07-08 | 2022-12-06 | 中国十七冶集团有限公司 | Self-lifting tower crane foundation for soft foundation of coastal mudflat and tower crane installation method |
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