CN209114957U - A kind of partial prestressing taper mutation steel fibre concrete electric pole and its foundation construction structure - Google Patents
A kind of partial prestressing taper mutation steel fibre concrete electric pole and its foundation construction structure Download PDFInfo
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- CN209114957U CN209114957U CN201821153501.3U CN201821153501U CN209114957U CN 209114957 U CN209114957 U CN 209114957U CN 201821153501 U CN201821153501 U CN 201821153501U CN 209114957 U CN209114957 U CN 209114957U
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- electric pole
- main reinforcement
- steel fibre
- prestressing
- rod
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Abstract
The utility model discloses a kind of partial prestressing taper mutation steel fibre concrete electric pole and its foundation construction structures, the body of rod including the armored concrete that cross section is annular surface, the body of rod is in centrum shape, taper is 1: 75, the body of rod includes skeleton and concrete cover, the concrete cover wraps up the skeleton, the skeleton includes main reinforcement and auxiliary bar, the auxiliary bar is by spiral bar, interior stirrup and outer stirrup are constituted, it is respectively fixed with the interior stirrup from inside to outside in the concrete cover, main ribs, the spiral bar and the outer stirrup, main ribs are made of underrelaxation spiral ribs prestressing force main reinforcement and hot-rolled ribbed non-prestressed main reinforcement, the two sides of each non-prestressed main reinforcement are respectively fixed with the prestressing force main reinforcement.The utility model is compact-sized, and space occupied is small, construction is simple, has wide applicability.
Description
Technical field
The utility model relates to power infrastructures technical fields, and in particular to a kind of partial prestressing taper mutation steel fibre
Concrete electric pole and its foundation construction structure.
Background technique
With the development of China's power industry, concurrent is using more and more extensive.At present to replace steel tower conduct
Power transmission line supporter has annular prestressed concrete electric pole, by being the reinforcing bar in annular concrete to cross section
Apply prestressing force, to improve the rigid of the electric pole, so as to the transmission line of electricity for supporting load quite heavy.But existing concrete
Electric pole can lose flexural strength and impact strength if all imposing prestressing force, and toughness is insufficient, part then occur and answer in advance
The concurrent of power.Partially prestressed concrete electric pole is cooperated using prestressing force main reinforcement and non-prestressed main reinforcement, although this
Mode can reach intensity requirement, but material consumption is also larger, and since two different reinforcing bars are used cooperatively, electric pole reinforcing bar
Skeleton ties up complex process, reduces production efficiency, improves production cost.
Meanwhile the terminal of existing power network line, corner, T connect and need to play bracing wire, space occupied is big, can not adapt to city
The status that soil mesh is becoming tight.
Utility model content
The utility model aims to solve at least one of the problems of the prior art.
The purpose of this utility model is that propose a kind of partial prestressing taper mutation steel fibre concrete electric pole, it is practical new using this
The electric pole of type does not have to play bracing wire, and space occupied is small, and saving soil can be better in the case where being becoming tight urban land day
Adapt to the development of society.
The partial prestressing taper mutation steel fibre concrete electric pole of embodiment according to the present utility model, including cross section are annular
The body of rod of the armored concrete in face, the body of rod are in centrum shape, taper 1: 75, and the body of rod includes that skeleton and concrete are protected
Sheath, the concrete cover wrap up the skeleton, and the skeleton includes main reinforcement and auxiliary bar, and the auxiliary bar is by spiral shell
Revolve muscle, interior stirrup and outer stirrup are constituted, be respectively fixed with the interior stirrup, described from inside to outside in the concrete cover
Main reinforcement, the spiral bar and the outer stirrup, main ribs are by underrelaxation spiral ribs prestressing force main reinforcement and hot-rolled ribbed non-pre- answer
Advocate muscle composition, the two sides of each non-prestressed main reinforcement are respectively fixed with the prestressing force main reinforcement.
In addition, can also be had according to the partial prestressing taper mutation steel fibre concrete electric pole of the utility model above-described embodiment
There is following additional technical feature:
One embodiment according to the present utility model, the 32 prestressing force main reinforcements and diameter that main ribs are 8mm by diameter
For 16 non-prestressed main reinforcement compositions of 20mm.
One embodiment according to the present utility model, the proof stress of the prestressing force main reinforcement are 1050Mpa.
One embodiment according to the present utility model, the body of rod wall thickness are 80mm.
One embodiment according to the present utility model, the non-prestressed main reinforcement and the prestressing force main reinforcement are solid by binding
It is fixed, and the non-prestressed main reinforcement begins to upwardly extend from the position away from the body of rod bottom end 1m.
One embodiment according to the present utility model, the spiral bar uses diameter for the low-carbon cold drawn wire of 5mm, described
Interior stirrup uses diameter for the plain bar of 10mm, and the outer stirrup uses diameter for the plain bar of 8mm.
One embodiment according to the present utility model, the proportion of the armored concrete are as follows: cement uses general silicon 52.5,
Every cubic metre of dosage is 460kg；Sand in sand use, every cubic metre of dosage are 620kg, and sandstone contains rate 3.0%；Stone uses 5mm-
20mm rubble, every cubic metre of dosage are 1200kg；Water uses tap water, and every cubic metre of dosage is 130kg；Water-reducing agent uses poly- carboxylic
Hydrochlorate, every cubic metre of dosage are 9.5kg；Admixture uses the enhanced compound material of concrete, and every cubic metre of dosage is 46kg；Steel is fine
Dimension uses 40*1.2*0.6mm, and every cubic metre of dosage is 50kg；The ratio of mud is 0.28, and slump control ratio is 10cm-12cm.
Another purpose of the utility model is to propose a kind of basis of partial prestressing taper mutation steel fibre concrete electric pole
Constructing structure.
Another embodiment according to the present utility model, a kind of basis of partial prestressing taper mutation steel fibre concrete electric pole are applied
Work structure includes aforementioned partial prestressing taper mutation steel fibre concrete electric pole, chassis and the dirt set gradually from bottom to up
Layer, concrete layer and back fill course, wherein the post of the partial prestressing taper mutation steel fibre concrete electric pole with
The chassis is connected and the body of rod and the chassis are placed in the grey soil layer bottom, and the body of rod sequentially passes through from bottom to up
The ash soil layer, the concrete layer and the back fill course.
Another embodiment according to the present utility model, the body of rod buried depth are 1/6th of the body of rod length.
Compared with the existing technology, the beneficial effects of the utility model are:
The partial prestressing taper mutation steel fibre concrete electric pole and its foundation construction structure of the utility model are in the aerial of city
In line construction and track remodelling, the use of steel pole can be replaced in a certain range, save construction fund, construction is simple, just
In installation；Do not have to play bracing wire because it connects in the terminal of power network line, corner, T simultaneously, space occupied is small, saves soil, this is in city
In the case that area soil day is becoming tight, the development of society is adapted to, provides good cheap and good-quality product to power grid；Also,
Because being partially prestressed electric wire pole, prestressing force main reinforcement and non-prestressed main reinforcement are used in mixed way, and have given full play to the advantage of the two, maximum
The integral strength of electric pole is improved to degree, while also reducing the production cost of electric pole to the maximum extent.The utility model energy
Enough carry 300 square millimeters of single back lines or 150 square millimeters of double-circuit lines.
The utility model is compact-sized, easy for construction, has wide applicability.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the overall structure diagram of the partial prestressing taper mutation steel fibre concrete electric pole of the utility model embodiment；
Fig. 2 is the sectional view in Fig. 1 at A-A；
Fig. 3 is the foundation construction structure of the partial prestressing taper mutation steel fibre concrete electric pole entirety of the utility model embodiment
Schematic diagram；
Fig. 4 is the foundation construction structure of the partial prestressing taper mutation steel fibre concrete electric pole bottom of the utility model embodiment
Schematic diagram.
In figure: 1- prestressing force main reinforcement, the non-prestressed main reinforcement of 2-, 3- spiral bar, stirrup in 4-, the 5- body of rod, the chassis 6-, 7-
Grey soil layer, 8- concrete layer, 9- back fill course.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
As shown in Figure 1 and Figure 2, according to the partial prestressing taper mutation steel fibre concrete electric pole of the utility model embodiment 1, packet
The body of rod 5 for the armored concrete that cross section is annular surface is included, the body of rod 5 is in centrum shape, taper 1: 75, the body of rod 5
Including skeleton and concrete cover, the concrete cover wraps up the skeleton, and the skeleton includes main reinforcement and auxiliary steel
Muscle, the auxiliary bar are made of spiral bar 3, interior stirrup 4 and outer stirrup, divide from inside to outside in the concrete cover
It is pre- by underrelaxation spiral ribs that it is not fixed with the interior stirrup 4, main ribs, the spiral bar 3 and the outer stirrup, main ribs
Stress main reinforcement 1 and hot-rolled ribbed non-prestressed main reinforcement 2 composition, the two sides of each non-prestressed main reinforcement 2 are respectively fixed with one
A prestressing force main reinforcement 1.
The partial prestressing taper mutation steel fibre concrete electric pole of the present embodiment 1 is by using partially prestressed electric wire pole, prestressing force
Main reinforcement 1 and non-prestressed main reinforcement 2 are used in mixed way, and have given full play to the advantage of the two, farthest improve the entirety of electric pole
Intensity, while the production cost of electric pole is also reduced to the maximum extent, while in the overhead construction in city and track remodelling
In, the use of steel pole can be replaced in a certain range, save construction fund, construction is simple is easily installed；And because its land occupation is empty
Between it is small, save soil, this in the case where being becoming tight urban land day, adapt to society development, provided to power grid good
Cheap and good-quality product.
Preferably, the length of the partial prestressing taper mutation steel fibre concrete electric pole of the present embodiment 1 is 15m, and 5 top of the body of rod is straight
Diameter is 350mm, bottom diameter 550mm, strength grade of concrete C80.
Wherein, the major process unit of the partial prestressing taper mutation steel fibre concrete electric pole of the present embodiment 1 and device include
250 tons of jack tension machines, 20 tons of steel bar headers, stretching end anchorage, fixing end anchorage, male cone, the true cutter of reinforcing bar tune and
Other electric poles production necessaries are process.And 1 elongation value of stretching of prestressing force main reinforcement is 76-80mm；1 upsetting of prestressing force main reinforcement
Head intensity >=1275MPa；1 heading diameter of prestressing force main reinforcement >=12mm；Prestressing force main reinforcement 1 and 2 protective layer of non-prestressed main reinforcement are
20mm。
Further, main ribs by 32 prestressing force main reinforcements 1 and diameter that diameter is 8mm are 20mm 16 it is non-pre-
Stress main reinforcement 2 forms.
Further, the proof stress of the prestressing force main reinforcement 1 is 1050Mpa.
Further, 5 wall thickness of the body of rod is 80mm.So set, can effectively ensure that the structural strength of electric pole, satisfaction makes
With needs.
Further, the non-prestressed main reinforcement 2 and the prestressing force main reinforcement 1 be by binding and fixing, and described non-pre- answers
Advocate muscle 2 from away from the 5 bottom end 1m of the body of rod position begin upwardly extend.
Further, the spiral bar 3 uses diameter for the low-carbon cold drawn wire of 5mm, and the interior stirrup 4 uses diameter
For the plain bar of 10mm, the outer stirrup uses diameter for the plain bar of 8mm.Wherein, spiral bar 3, interior stirrup 4 and outer steel
Hoop is all made of Q235 steel.
Further, the proportion of the armored concrete are as follows: cement uses general silicon 52.5, and every cubic metre of dosage is 460kg；
Sand in sand use, every cubic metre of dosage are 620kg, and sandstone contains rate 3.0%；Stone uses 5mm-20mm rubble, every cubic metre of dosage
For 1200kg；Water uses tap water, and every cubic metre of dosage is 130kg；Water-reducing agent uses polycarboxylate, and every cubic metre of dosage is
9.5kg；Admixture uses the enhanced compound material of concrete, and every cubic metre of dosage is 46kg；Steel fibre uses 40*1.2*0.6mm,
Every cubic metre of dosage is 50kg；The ratio of mud is 0.28, and slump control ratio is 10cm-12cm.
The partial prestressing taper mutation steel fibre concrete electric pole of the utility model embodiment 1 can carry 300 square millimeters of lists
Loop line road or 150 square millimeters of double-circuit lines, and the terminal of power network line, corner, T connect and do not have to play bracing wire, having preferably makes
Use effect.
As shown in Figure 3, Figure 4, according to the base of the partial prestressing taper mutation steel fibre concrete electric pole of the utility model embodiment 2
Plinth constructing structure is set gradually including partial prestressing taper mutation steel fibre concrete electric pole described above, chassis 6 and from bottom to up
Grey soil layer 7, concrete layer 8 and back fill course 9, wherein the bar of the partial prestressing taper mutation steel fibre concrete electric pole
5 bottom of body and the chassis 6 are connected and the body of rod 5 and the chassis 6 are placed in 7 bottom of the grey soil layer, the body of rod 5 from
Under supreme sequentially pass through the grey soil layer 7, the concrete layer 8 and the back fill course 9.
Further, 5 buried depth of the body of rod is 1/6th of 5 length of the body of rod.
The utility model is compact-sized, easy for construction, has wide applicability.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.
Claims (8)
1. a kind of partial prestressing taper mutation steel fibre concrete electric pole, it is characterised in that: mixed including the reinforcing bar that cross section is annular surface
The body of rod of soil is coagulated, the body of rod is in centrum shape, taper 1: 75, and the body of rod includes skeleton and concrete cover, described
Concrete cover wraps up the skeleton, and the skeleton includes main reinforcement and auxiliary bar, and the auxiliary bar is by spiral bar, interior steel
Hoop and outer stirrup are constituted, and are respectively fixed with the interior stirrup, main ribs, described from inside to outside in the concrete cover
Spiral bar and the outer stirrup, main ribs are by underrelaxation spiral ribs prestressing force main reinforcement and hot-rolled ribbed non-prestressed main reinforcement group
At the two sides of each non-prestressed main reinforcement are respectively fixed with the prestressing force main reinforcement.
2. partial prestressing taper mutation steel fibre concrete electric pole according to claim 1, it is characterised in that: main ribs are by straight
16 non-prestressed main reinforcement compositions that the 32 prestressing force main reinforcements and diameter that diameter is 8mm are 20mm.
3. partial prestressing taper mutation steel fibre concrete electric pole according to claim 1, it is characterised in that: the prestressing force master
The proof stress of muscle is 1050Mpa.
4. partial prestressing taper mutation steel fibre concrete electric pole according to claim 1, it is characterised in that: the body of rod wall thickness
For 80mm.
5. partial prestressing taper mutation steel fibre concrete electric pole according to claim 1, it is characterised in that: described non-prestressed
Main reinforcement and the prestressing force main reinforcement are by binding and fixing, and the non-prestressed main reinforcement begins from the position away from the body of rod bottom end 1m
It upwardly extends.
6. partial prestressing taper mutation steel fibre concrete electric pole according to claim 1, it is characterised in that: the spiral bar is adopted
The low-carbon cold drawn wire for being 5mm with diameter, the interior stirrup use diameter for the plain bar of 10mm, and the outer stirrup is using straight
Diameter is the plain bar of 8mm.
7. a kind of foundation construction structure of partial prestressing taper mutation steel fibre concrete electric pole, it is characterised in that: wanted including such as right
Ask partial prestressing taper mutation steel fibre concrete electric pole, chassis and the dirt set gradually from bottom to up described in any one of 1-6
Layer, concrete layer and back fill course, wherein the post of the partial prestressing taper mutation steel fibre concrete electric pole with
The chassis is connected and the body of rod and the chassis are placed in the grey soil layer bottom, and the body of rod sequentially passes through from bottom to up
The ash soil layer, the concrete layer and the back fill course.
8. the foundation construction structure of partial prestressing taper mutation steel fibre concrete electric pole according to claim 7, feature exist
In: the body of rod buried depth is 1/6th of the body of rod length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153501.3U CN209114957U (en) | 2018-07-13 | 2018-07-13 | A kind of partial prestressing taper mutation steel fibre concrete electric pole and its foundation construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153501.3U CN209114957U (en) | 2018-07-13 | 2018-07-13 | A kind of partial prestressing taper mutation steel fibre concrete electric pole and its foundation construction structure |
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| CN209114957U true CN209114957U (en) | 2019-07-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725605A (en) * | 2019-10-30 | 2020-01-24 | 广西大学 | Method for reinforcing in-service electric pole |
| CN110748187A (en) * | 2019-10-30 | 2020-02-04 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Method for reinforcing service pole by mixing FRP (fiber reinforced Plastic) ribs |
-
2018
- 2018-07-13 CN CN201821153501.3U patent/CN209114957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725605A (en) * | 2019-10-30 | 2020-01-24 | 广西大学 | Method for reinforcing in-service electric pole |
| CN110748187A (en) * | 2019-10-30 | 2020-02-04 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Method for reinforcing service pole by mixing FRP (fiber reinforced Plastic) ribs |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190902 Address after: 072150 Yingu Village, Mancheng District, Baoding City, Hebei Province Patentee after: Hebei Tongli Cement Products Co., Ltd. Address before: 072550 Ansu Town, Xushui County, Baoding City, Hebei Province, Unit 102, Building 2, Anshun Home District, Anshun Street, Jianming West Road Patentee before: Wei Jinhe |