CN204590062U - A kind of pole tower pile used for transmission line - Google Patents
A kind of pole tower pile used for transmission line Download PDFInfo
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- CN204590062U CN204590062U CN201520232270.5U CN201520232270U CN204590062U CN 204590062 U CN204590062 U CN 204590062U CN 201520232270 U CN201520232270 U CN 201520232270U CN 204590062 U CN204590062 U CN 204590062U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 48
- 239000004567 concrete Substances 0.000 claims abstract description 25
- 239000004575 stone Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000011065 in-situ storage Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a kind of technical scheme of pole tower pile used for transmission line, the program comprises the prefabricated reinforced concrete single pile of the cushion cap adopting steel concrete second pouring to be formed and the once-cast being fixed on described cushion cap lower end, the end face of described cushion cap and the axis perpendicular of described prefabricated reinforced concrete single pile, the upper end of described prefabricated reinforced concrete single pile is linkage section, the lower end of described prefabricated reinforced concrete single pile is load-bearing section, described linkage section is embedded in described cushion cap, the soffit of described linkage section is mutually concordant with the soffit of described cushion cap, concrete I is cast with in described cushion cap, concrete II is cast with in the load-bearing section of described prefabricated reinforced concrete single pile, be prefabricated with stone bolt in described cushion cap, the upper surface of described cushion cap is stretched out in the end of this stone bolt.Pile foundation resistance to plucking good stability of the present utility model, quality is high, and single pile can adopt mass production simultaneously, substantially reduces construction period, improves the efficiency of construction of whole engineering.
Description
Technical field
The utility model relates to engineering construction technical field, especially a kind of pole tower pile used for transmission line.
Background technology
Along with the develop rapidly of Chinese national economy, country is annual for power infrastructures, and the investment especially for ultra-high-tension power transmission line increases day by day.Pole and tower foundation is as the important component part of transmission line structure, and its cost, duration and labor consumption account for very large proportion in whole line project.According to relevant statistics: the Transmission Tower Foundation Engineering duration accounts for the half the time of whole duration, and freight volume accounts for whole engineering 60%, and expense accounts for whole engineering 15% ~ 35%.The quality of Foundation selection, design and construction drastically influence the construction of line project.
According to the existing technical specification of China, the design of top steel tower part with abroad compare, comparatively reasonable and ripe, and the key dimension of design is larger than external, design comparatively conservative, thus the expense of the aspect such as foundation construction is than abroad exceeding a lot.Meanwhile, infrastructure is excessive, if basis is large-area excavation, will certainly cause the destruction of large area vegetation and the passage of water and soil.Therefore be necessary to strengthen the research to transmission line foundation, reduce the consumption of concrete and reinforcing bar, reduce the excavated volume of the cubic metre of earth and stone, thus reduce foundation cost, saving resource, also reduce the destruction to vegetation, strengthen environmental protection, realizes sustainable development simultaneously.
Present stage, transmission line tower foundation generally adopted footing foundation and bored concrete pile foundation two kinds, and these two kinds of bases are Cast-in-situs type basis.
Footing foundation pulls out poor stability, needs to excavate ground before fluid concrete, destroy original soil texture; Long in time limit, workload is large, and need template many, the basis tight to construction period is not suitable for; The large cooperation needing man power and material of earthwork amount, needs to do precipitation process in district higher at water level during excavation, increases workload; Concrete amount is large, increases construction costs.
The quality problems of bored concrete pile foundation and its pile-formation process closely related.And the bad control of construction technology, the level of skill of this and site operation personnel has much relations; Construction process of bored concrete pile is more complicated than driven pile, easily occurs the quality problems such as broken pile, necking down, concrete disintegration; Bored concrete pile foundation has the construction technology such as mud off and second pouring, adds the duration; Because piling quality is stable not, the stake inspection of greater number be inspected by random samples, increase testing cost.
The weak point that Here it is existing for prior art.
Summary of the invention
Technical problem to be solved in the utility model, be exactly for the deficiency existing for prior art, and a kind of technical scheme of pole tower pile used for transmission line is provided, pile foundation resistance to plucking good stability of the present utility model, quality is high, single pile can adopt mass production simultaneously, substantially reduces construction period, improves the efficiency of construction of whole engineering.
This programme is achieved by the following technical measures: the prefabricated reinforced concrete single pile comprising the cushion cap adopting steel concrete second pouring to be formed and the once-cast being fixed on described cushion cap lower end, the end face of described cushion cap and the axis perpendicular of described prefabricated reinforced concrete single pile, the upper end of described prefabricated reinforced concrete single pile is linkage section, the lower end of described prefabricated reinforced concrete single pile is load-bearing section, described linkage section is embedded in described cushion cap, the soffit of described linkage section is mutually concordant with the soffit of described cushion cap, concrete I is cast with in described cushion cap, concrete II is cast with in the load-bearing section of described prefabricated reinforced concrete single pile, be prefabricated with stone bolt in described cushion cap, the upper surface of described cushion cap is stretched out in the end of this stone bolt.
Further improvement of the utility model also has, and described cushion cap is the cube structure of cast-in-situ steel reinforced concrete.
Further improvement of the utility model also has, and described prefabricated reinforced concrete single pile is rectangular structure, and the diameter in its cross section is 250-550mm, facilitates the making of prefabricated reinforced concrete, transport and stacking.
Further improvement of the utility model also has, and the bottom of described prefabricated reinforced concrete single pile is rectangular pyramid structure, is convenient to prefabricated reinforced concrete to squeeze in soil.
In order to improve the resistance to plucking stability of pile foundation, raising single pile that can be suitable squeezes into the height on ground.During construction, the height of single pile can be determined according to the situation of actual bearing capacity of soil, be generally 7-9m, if the height of single pile is oversize, waste time and energy when not only manufacturing, and also can be cumbersome when single pile is driven underground, thus the progress of impact construction, therefore the height of single pile is preferably 8m.
Further improvement of the utility model also has, and described prefabricated reinforced concrete single pile is evenly arranged in the lower end of described cushion cap, to guarantee the uniform force of each prefabricated reinforced concrete single pile, further improves the safety and stability of whole pile foundation.
Technical characterstic of the present utility model and good effect are:
(1) prefabricated reinforced concrete single pile can adopt mass plant produced, and quality can ensure, improves the safety and stability of whole pole tower pile;
(2) because pile foundation directly enters underground with pile driver static pressure, so without the need to carrying out dig on a wide area during construction, spoiled soil area is less, improve the resistance to plucking stability on basis;
(3) because pole tower pile of the present utility model is without the need to adopting dig on a wide area, so even if having water or the high area of water level to construct, the draining that also need not continue to reduce horizontal plane, thus is reducing construction workload, improves efficiency of construction;
(4) in the utility model, because prefabricated reinforced concrete single pile can adopt factorial praluction, dispatch from the factory and namely meet construction requirement, the making of pole tower pile is completed after again prefabricated reinforced concrete single pile and cushion cap being carried out second pouring, and cast-in-site monolithic pole tower pile one of the prior art needs cast-in-site completely, two is need maintenance freezing period after completing, and therefore the utility model compared with prior art substantially reduces construction period;
(5) because prefabricated reinforced concrete single pile is batch production batch production, quality is guaranteed, and cast-in-situ concrete pile foundation site operation circumstance complication, and the basis after basic raw material and casting complete all needs to detect, therefore pole tower pile inspection fee of the present utility model is few, decreases detail estimate.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model detailed description of the invention.
In figure, 1 is nature ground, and 2 is cushion cap, and 3 is cushion cap arrangement of reinforcement, and 4 is single pile arrangement of reinforcement, and 5 is prefabricated reinforced concrete single pile, and 5.1 is linkage section, and 5.2 is load-bearing section, and 6 is stone bolt.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by a detailed description of the invention, and in conjunction with its accompanying drawing, this programme is set forth.
Can be found out by accompanying drawing, a kind of pole tower pile used for transmission line, comprise the prefabricated reinforced concrete single pile 5 of the cushion cap 2 adopting steel concrete second pouring to be formed and the once-cast being fixed on described cushion cap 2 lower end, the radical of prefabricated reinforced concrete single pile 5 should configure according to pole and tower foundation active force, and described cushion cap 2 is the cube structure of cast-in-situ steel reinforced concrete.The end face of described cushion cap 2 and the axis perpendicular of described prefabricated reinforced concrete single pile 5, the problem that the stake bursting caused when avoiding piling is broken.The upper end of described prefabricated reinforced concrete single pile 5 is linkage section 5.1, the lower end of described prefabricated reinforced concrete single pile 5 is load-bearing section 5.2, described linkage section 5.1 is embedded in described cushion cap 2, the soffit of described linkage section 5.1 is mutually concordant with the soffit of described cushion cap 2, be cast with the concrete I of C25-C30 in described cushion cap 2, in the load-bearing section 5.2 of described prefabricated reinforced concrete single pile 5, be cast with the concrete II of C30-50;
Be prefabricated with stone bolt 6 in described cushion cap 2, the upper surface of described cushion cap 2 is stretched out in the end of this stone bolt 6, for connecting ground electric power line pole tower.
Described prefabricated reinforced concrete single pile 5 is rectangular structure, and the diameter in its cross section is 250-550mm, is preferably 400mm, is convenient to the making of prefabricated reinforced concrete single pile 5, transport and stacking.
The bottom of described prefabricated reinforced concrete single pile 5 is rectangular pyramid structure, is convenient to prefabricated reinforced concrete single pile 5 to be driven underground.
The height of described prefabricated reinforced concrete single pile 5 is 7-9m.
Described prefabricated reinforced concrete single pile 5 is evenly arranged in the lower end of described cushion cap 2.
During use, prefabricated reinforced concrete single pile 5 can carry out mass production, concrete, single pile arrangement of reinforcement 4 is adopted to make single pile structural frame, and the concrete of varying strength is poured into a mould respectively at linkage section 5.1 and load-bearing section 5.2, ensure that the intensity of linkage section 5.1 is less than the intensity of load-bearing section 5.2, be convenient to the broken pile before second pouring cushion cap 2, shorten the engineering time.After prefabricated single pile is transported to scene, according to the arrangement diagram of on-the-spot pile foundation, with pile driver, prefabricated reinforced concrete single pile 5 is squeezed into nature ground 1 time one by one, after the low strength concrete of the linkage section 5.1 of prefabricated reinforced concrete single pile 5 is removed, and it is fixing to adopt steel wire to carry out binding the single pile arrangement of reinforcement 4 of linkage section 5.1 and cushion cap arrangement of reinforcement 3, finally second pouring concrete I in suspended deck structure frame, then complete the preparation of whole pole tower pile.
By reference to the accompanying drawings the detailed description of the invention of utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (6)
1. a pole tower pile used for transmission line, it is characterized in that: the prefabricated reinforced concrete single pile comprising the cushion cap adopting steel concrete second pouring to be formed and the once-cast being fixed on described cushion cap lower end, the end face of described cushion cap and the axis perpendicular of described prefabricated reinforced concrete single pile, the upper end of described prefabricated reinforced concrete single pile is linkage section, the lower end of described prefabricated reinforced concrete single pile is load-bearing section, described linkage section is embedded in described cushion cap, the soffit of described linkage section is mutually concordant with the soffit of described cushion cap, concrete I is cast with in described cushion cap, concrete II is cast with in the load-bearing section of described prefabricated reinforced concrete single pile, be prefabricated with stone bolt in described cushion cap, the upper surface of described cushion cap is stretched out in the end of this stone bolt.
2. pole tower pile used for transmission line according to claim 1, is characterized in that: described cushion cap is the cube structure of cast-in-situ steel reinforced concrete.
3. pole tower pile used for transmission line according to claim 2, is characterized in that: described prefabricated reinforced concrete single pile is rectangular structure, and the diameter in its cross section is 250-550mm.
4. pole tower pile used for transmission line according to claim 3, is characterized in that: the bottom of described prefabricated reinforced concrete single pile is rectangular pyramid structure.
5. pole tower pile used for transmission line according to claim 4, is characterized in that: the height of described prefabricated reinforced concrete single pile is 7-9m.
6., according to the arbitrary described pole tower pile used for transmission line of claim 1-5, it is characterized in that: described prefabricated reinforced concrete single pile is evenly arranged in the lower end of described cushion cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232270.5U CN204590062U (en) | 2015-04-17 | 2015-04-17 | A kind of pole tower pile used for transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232270.5U CN204590062U (en) | 2015-04-17 | 2015-04-17 | A kind of pole tower pile used for transmission line |
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| Publication Number | Publication Date |
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| CN204590062U true CN204590062U (en) | 2015-08-26 |
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| CN201520232270.5U Active CN204590062U (en) | 2015-04-17 | 2015-04-17 | A kind of pole tower pile used for transmission line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759422A (en) * | 2015-11-24 | 2017-05-31 | 国家电网公司 | A kind of pile foundation of suitable electric pole |
| CN108867627A (en) * | 2018-08-01 | 2018-11-23 | 绵阳鼎飞益电子科技有限公司 | A kind of construction method convenient for transmission of electricity stake disassembly |
| CN113510124A (en) * | 2021-06-18 | 2021-10-19 | 中国核电工程有限公司 | Self-rotating decontamination device at bottom of spent fuel assembly transport container |
-
2015
- 2015-04-17 CN CN201520232270.5U patent/CN204590062U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759422A (en) * | 2015-11-24 | 2017-05-31 | 国家电网公司 | A kind of pile foundation of suitable electric pole |
| CN108867627A (en) * | 2018-08-01 | 2018-11-23 | 绵阳鼎飞益电子科技有限公司 | A kind of construction method convenient for transmission of electricity stake disassembly |
| CN113510124A (en) * | 2021-06-18 | 2021-10-19 | 中国核电工程有限公司 | Self-rotating decontamination device at bottom of spent fuel assembly transport container |
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