CN212641503U - Pole tower foundation of coastal area transmission line - Google Patents
Pole tower foundation of coastal area transmission line Download PDFInfo
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- CN212641503U CN212641503U CN202020928479.6U CN202020928479U CN212641503U CN 212641503 U CN212641503 U CN 212641503U CN 202020928479 U CN202020928479 U CN 202020928479U CN 212641503 U CN212641503 U CN 212641503U
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Abstract
The utility model provides a coastal area transmission line's shaft tower basis, include: the first support body is in a solid hexahedron shape and comprises four side surfaces, an upper surface and a lower surface; the embedded steel bars are arranged in the first supporting body; the plurality of preformed holes are arranged in the first support body in a way of avoiding the embedded steel bars, and penetrate through the upper surface and the lower surface; the water absorption cotton core is arranged between the side face and the embedded steel bar; the water suction pipes are arranged between the water suction cotton core and the embedded steel bars and are arranged close to the water suction cotton core, and a plurality of water suction holes are formed in the water suction pipes and face the water suction cotton core; the communicating pipe runs through a plurality of water suction pipes, the lower end of the communicating pipe is arranged in the water suction pipe at the lowest end, the upper end of the communicating pipe passes through the upper surface and is communicated with a water suction port of the water pump, and an outlet of the water pump is communicated with the water storage tank. The water absorption cotton core arranged in the water absorption cotton core absorbs water, prevents seawater from corroding the embedded steel bars too early, prolongs the service life of the embedded steel bars, and further prolongs the service life of the tower foundation.
Description
Technical Field
The utility model relates to a transmission line technical field especially relates to a coastal area transmission line's shaft tower basis.
Background
Reinforced concrete is widely used in structural engineering due to its good material properties and mechanical properties. The design and use requirements of the reinforced concrete structure are about 50 years generally, some require hundreds of years, in reality, the reinforced concrete structure in a corrosive environment is far short of the design and use period, some are corroded and damaged in 15 to 20 years, the repair cost in the use process is increased due to insufficient durability of the structure, the normal use of the project is influenced, and resources are seriously wasted.
With the rapid development of economic construction in China, the urbanization construction enables the scale of infrastructure to be large, and some coastal cities with more developed economy have to enlarge more coastal areas to meet the requirement of urban construction land due to the limitation of geographical position environments. In recent years, many projects that power transmission lines pass through coastal areas appear in coastal areas, so that tower foundations in the coastal areas are inevitably in underground seawater environments for a long time, and the seawater contains substances such as chloride ions which are very harmful to reinforced concrete structures, and the service life requirements of the tower foundations cannot be guaranteed.
Therefore, it is necessary to develop a tower foundation of a transmission line in coastal areas, which can avoid the corrosion of seawater to a reinforced concrete structure and prolong the service life of the tower foundation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.
Therefore the utility model provides a coastal region transmission line's shaft tower basis.
In view of this, the utility model provides a coastal area transmission line's shaft tower basis, shaft tower basis includes:
the first support body is in a solid hexahedron shape and comprises four side surfaces, an upper surface and a lower surface;
the embedded steel bar is arranged in the first support body;
the preformed holes are arranged in the first support body in a manner of avoiding the embedded steel bars, and penetrate through the upper surface and the lower surface;
the water absorption cotton core is arranged between the side face and the embedded steel bar;
the water suction pipes are arranged between the water suction cotton core and the embedded steel bars and are arranged close to the water suction cotton core, and a plurality of water suction holes are formed in the water suction pipes and face the water suction cotton core;
the communicating pipe penetrates through the water suction pipes, the lower end of the communicating pipe is arranged in the water suction pipe at the lowest end, the upper end of the communicating pipe penetrates through the upper surface and is communicated with a water suction port of the water pump, and an outlet of the water pump is communicated with the water storage tank.
Furthermore, the embedded steel bars comprise four embedded steel bar frames, the four embedded steel bar frames are sequentially connected, and the four embedded steel bar frames and the four side faces are correspondingly arranged.
Furthermore, pre-buried steel bar frame includes main reinforcing bar and stirrup, and is a plurality of the stirrup overcoat is on a plurality of main reinforcing bars.
Further, the stirrup near the side face is 50mm to 70mm from the side face.
Further, the diameter of the main steel bar and the stirrup is 16mm to 32 mm.
Further, the pole tower foundation further comprises:
and the anti-corrosion plate is arranged between the water suction pipe and the embedded steel bar frame.
Furthermore, the water suction pipe is annular and is sleeved on the plurality of anti-corrosion plates.
Further, the pole tower foundation further comprises:
the second support body is sleeved at the lower end of the first support body, the lower end face of the second support body is aligned with the lower surface, and the upper surface of the second support body is an inclined plane inclined downwards.
Further, the pole tower foundation further comprises:
and the anticorrosive layer is arranged on the outer surface of the second support body, and the thickness of the anticorrosive layer is 280-320 mu m.
The utility model provides a technical scheme can include following beneficial effect:
when having the sea water to enter into in the first support, absorb moisture through the cotton core that absorbs water that sets up wherein, through absorbing water pipe and communicating pipe with the sea water suction storage water tank in, avoid the too early corrosion embedded steel bar of sea water, improve embedded steel bar's life, and then improve the life of shaft tower basis.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows a schematic view of a tower foundation according to an embodiment of the invention;
FIG. 2 shows a schematic view of the direction A-A of FIG. 1;
FIG. 3 shows a schematic view of the direction B-B of FIG. 1;
fig. 4 is a schematic view of a pre-buried steel bar frame according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
the anti-corrosion device comprises a first supporting body 1, embedded steel bars 2, embedded steel bar frames 21, main steel bars 211, stirrups 212, preformed holes 3, a water absorption cotton core 4, a water absorption pipe 5, a communicating pipe 6, an anti-corrosion plate 7, a second supporting body 8 and an anti-corrosion layer 9.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Examples
Fig. 1 shows a schematic view of a tower foundation according to an embodiment of the invention; FIG. 2 shows a schematic view of the direction A-A of FIG. 1; FIG. 3 shows a schematic view of the direction B-B of FIG. 1;
as shown in fig. 1 to fig. 3, this embodiment provides a tower foundation of a power transmission line in a coastal area, where the tower foundation includes:
the first support body 1 is in a solid hexahedron shape, and the first support body 1 comprises four side surfaces, an upper surface and a lower surface;
the embedded steel bar 2 is arranged in the first supporting body 1;
the preformed holes 3 are formed in the first supporting body 1 in a mode that the preformed holes 3 avoid the embedded steel bars 2, and the preformed holes 3 penetrate through the upper surface and the lower surface;
the water absorption cotton core 4 is arranged between the side face and the embedded steel bar 2;
the water suction pipes 5 are arranged between the water suction cotton core 4 and the embedded steel bars 2 and are arranged close to the water suction cotton core 4, and a plurality of water suction holes are formed in the water suction pipes 5 and face the water suction cotton core 4;
the communicating pipe 6 penetrates through the plurality of water suction pipes 5, the lower end of the communicating pipe 6 is arranged in the water suction pipe 5 at the lowest end, the upper end of the communicating pipe 6 penetrates through the upper surface to be communicated with a water suction port of a water pump (not shown), and an outlet of the water pump is communicated with a water storage tank (not shown).
Wherein, embedded steel bar 2 plays the effect of support to first supporter 1, improves the holding power on shaft tower basis, and preformed hole 3 is used for placing rag bolt, plays the supporting role to the shaft tower through rag bolt, has adopted four preformed holes 3 as the explanation in this embodiment, but can select the preformed hole 3 of corresponding quantity according to rag bolt's quantity in the reality, what need explain, rag bolt's quantity is selected according to the size of shaft tower and the atress pattern of shaft tower.
At coastal zone, bury the shaft tower basis in the underground, also often receive the erosion of sea water in the underground, after a period of time, first supporter 1 will produce the crack, the sea water enters into first supporter 1 through crack or the tiny pore of first supporter 1 in, and then erode embedded steel bar 2, set up through the cotton core 4 that absorbs water with moisture absorption, inhale the storage water tank with the sea water through suction pipe 5 and communicating pipe 6 in, avoid the too early corruption embedded steel bar 2 of sea water, improve embedded steel bar 2's life, and then improve the life of shaft tower basis.
Further, the embedded steel bar 2 includes four embedded steel bar frames 21, the four embedded steel bar frames 21 are sequentially connected, and the four embedded steel bar frames 21 are correspondingly disposed on four sides.
The four embedded steel bar frames 21 form a square shape and correspond to the four side faces of the first supporting body 1, so that the bearing capacity of the first supporting body 1 is improved, the tower foundation support device can be suitable for towers with more weight occasions, and the application range of the tower foundation is enlarged.
Fig. 4 is a schematic view of a pre-buried steel bar frame according to an embodiment of the present invention.
As shown in fig. 4, the pre-buried steel frames 21 include main bars 211 and stirrups 212, and the stirrups 212 are sleeved on the main bars 211.
The main steel bars 211 are used as a framework for installing longitudinal bars, so that the steel bars are prevented from deforming in the construction process, and the stirrups 212 are sleeved outside the main steel bars 211 which are arranged in a rectangular shape, so that the stress range of the embedded steel bar frame 21 is further expanded.
Further, the stirrup 212 near the side is 50mm to 70mm from the side.
The distance between the stirrup 212 close to the side face and the side face is a concrete protective layer, the larger the thickness of the concrete protective layer is, the better the anchoring performance and the durability performance of the stressed embedded steel bar 2 of the member are, but when the thickness of the protective layer is too thick, the concrete protective layer is weakened to protect the embedded steel bar 2 due to the fact that the concrete material cracks appear due to brittleness and shrinkage.
In this embodiment, the stirrup 212 near the side is 60mm from the side.
Further, the main bars 211 and the stirrups 212 have a diameter of 16mm to 32 mm.
High-strength-grade and large-diameter steel bars are selected for the main steel bars 211 and the stirrups 212 in the tower foundation in the coastal area so as to reduce the deformation of the embedded steel bars 2 under stress and reduce the deformation and cracks of the first supporting body 1 so as to enhance the durability of the tower foundation.
In this embodiment, the embedded steel bar 2 is HRB400 or HPB 300.
It should be noted that if the steel bars embedded in the first supporting body 1 are made of different materials and the mutual connection can conduct electricity, the corrosion of the embedded steel bars 2 may be promoted by the potential difference, so that the main steel bars 211 and the stirrups 212 of the same signs are used.
Further, the shaft tower basis still includes:
and the anti-corrosion plate 7 is arranged between the water suction pipe 5 and the embedded steel bar frame 21.
It should be noted that the anti-corrosion plate 7 is fixed between the water suction pipe 5 and the water absorbent cotton core 4 by iron wires, so that the play generated when the first support body 1 is poured is avoided.
Furthermore, the water suction pipe 5 is annular and is sleeved on the plurality of anti-corrosion plates 7.
The water suction pipe 5 is in a circular ring shape and sleeved on the corrosion-resistant plates 7, the totally-enclosed water suction pipe 5 improves the water suction efficiency, the water suction pipe 5 is made into a whole, only one water pump and one communicating pipe 6 are needed to simultaneously suck the water in the cotton core 4 sucked from four sides, the use quantity of the communicating pipe 6 and the water pump is reduced, and the enterprise economy is improved.
Further, the shaft tower basis still includes:
and the second support body 8 is sleeved at the lower end of the first support body 1, the lower end surface of the second support body 8 is aligned with the lower surface, and the upper surface of the second support body 8 is a slope surface which inclines downwards.
The second supporting body 8 and the first supporting body 1 are arranged in a ladder shape, so that the contact area between the tower foundation and the ground can be effectively increased, the stability of the tower foundation under the ground is improved, and the use safety of the tower is further improved.
The second support body 8 and the first support body 1 are integrally formed.
Further, the first support body 1 and the second support body 8 are made of concrete, and the concrete comprises cement, aggregate, COR reinforcing steel bar rust inhibitor and water.
The COR reinforcing steel bar rust inhibitor has a certain water reducing rate, is good in anti-permeability effect and improves the workability of concrete, the addition amount of the COR reinforcing steel bar rust inhibitor is 2-3% of that of cement, the COR reinforcing steel bar rust inhibitor is added with the cement and aggregate at the same time, the stirring time is properly prolonged, the initial curing is strengthened during natural curing, and when steam curing is adopted, the temperature of the concrete can be raised only by having necessary structural strength, so that the quality of the concrete is ensured, and the quality of the first support body 1 and the quality of the second support body 8 are further ensured.
It should be noted that the concrete doped with the COR steel bar rust inhibitor can prevent or greatly slow down the corrosion speed of the embedded steel bar 2, and can prolong the service life of the embedded steel bar 2 by 2 to 3 times.
Further, the shaft tower basis still includes:
and the anticorrosive layer 9 is arranged on the outer surface of the second support body 8, and the thickness of the anticorrosive layer 9 is 280-320 mu m.
The anticorrosive coating 9 of the embodiment is high chlorinated polyethylene, has the thickness of 300 mu m, has excellent atmospheric aging resistance and chemical medium resistance, can be constructed in a low-temperature environment, has simple and convenient construction conditions, and can be brushed, rolled and sprayed. The paint film can be self-dried, and has high drying speed, and can be surface-dried in 30 minutes, dried in 6 hours and dried and hardened in 24 hours. The high chlorinated polyethylene is used for replacing chlorinated rubber to prepare the anticorrosive coating 9, so that the anticorrosive coating 9 with the performance similar to that of chlorinated rubber anticorrosive paint can be obtained, the production cost can be reduced, and the construction safety can be improved.
In addition to the anticorrosive coating 9 provided on the outer surface of the second support 8, the anticorrosive coating 9 is also provided on the first support 1 exposed to the ground.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (9)
1. The utility model provides a coastal area transmission line's shaft tower basis, its characterized in that, the shaft tower basis includes:
the first support body is in a solid hexahedron shape and comprises four side surfaces, an upper surface and a lower surface;
the embedded steel bar is arranged in the first support body;
the preformed holes are arranged in the first support body in a manner of avoiding the embedded steel bars, and penetrate through the upper surface and the lower surface;
the water absorption cotton core is arranged between the side face and the embedded steel bar;
the water suction pipes are arranged between the water suction cotton core and the embedded steel bars and are arranged close to the water suction cotton core, and a plurality of water suction holes are formed in the water suction pipes and face the water suction cotton core;
the communicating pipe penetrates through the water suction pipes, the lower end of the communicating pipe is arranged in the water suction pipe at the lowest end, the upper end of the communicating pipe penetrates through the upper surface and is communicated with a water suction port of the water pump, and an outlet of the water pump is communicated with the water storage tank.
2. The tower foundation of the coastal area power transmission line of claim 1, wherein the embedded steel bars comprise four embedded steel bar frames, the four embedded steel bar frames are sequentially connected, and the four embedded steel bar frames are arranged corresponding to the four side surfaces.
3. The tower foundation of the coastal area power transmission line of claim 2, wherein the pre-embedded steel bar frames comprise main steel bars and stirrups, and a plurality of the stirrups are sleeved outside the main steel bars.
4. The tower foundation of the coastal area transmission line of claim 3, wherein the distance between the stirrups close to the side face and the side face is 50mm to 70 mm.
5. The tower foundation of the coastal area power transmission line according to claim 3, wherein the diameters of the main steel bars and the stirrups are 16mm to 32 mm.
6. The tower foundation of claim 2, further comprising:
and the anti-corrosion plate is arranged between the water suction pipe and the embedded steel bar frame.
7. The tower foundation of the coastal area power transmission line of claim 6, wherein the suction pipe is annular and is externally sleeved on the plurality of corrosion-resistant plates.
8. The tower foundation of claim 1, further comprising:
the second support body is sleeved at the lower end of the first support body, the lower end face of the second support body is aligned with the lower surface, and the upper surface of the second support body is an inclined plane inclined downwards.
9. The tower foundation of claim 8, further comprising:
and the anticorrosive layer is arranged on the outer surface of the second support body, and the thickness of the anticorrosive layer is 280-320 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020928479.6U CN212641503U (en) | 2020-05-28 | 2020-05-28 | Pole tower foundation of coastal area transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020928479.6U CN212641503U (en) | 2020-05-28 | 2020-05-28 | Pole tower foundation of coastal area transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212641503U true CN212641503U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020928479.6U Active CN212641503U (en) | 2020-05-28 | 2020-05-28 | Pole tower foundation of coastal area transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212641503U (en) |
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2020
- 2020-05-28 CN CN202020928479.6U patent/CN212641503U/en active Active
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