CN103739252A - Concrete and concrete pole using same - Google Patents
Concrete and concrete pole using same Download PDFInfo
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- CN103739252A CN103739252A CN201310670837.2A CN201310670837A CN103739252A CN 103739252 A CN103739252 A CN 103739252A CN 201310670837 A CN201310670837 A CN 201310670837A CN 103739252 A CN103739252 A CN 103739252A
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Abstract
The invention provides concrete and a concrete pole using the same. The concrete comprises the following components by mass: 0.9-1.1 parts of cement, 0.85-0.95 part of sand, 1.6-2 parts of broken stone, 0.1-0.3 part of water, 0.0125-0.02 part of additives, and 0.1-0.2 part of reinforcing fibers. The concrete prepared by the above formula has significantly improved compressive strength, tensile strength, bending strength, and shear strength when compared with common concrete, and has greatly improved shock resistance, fatigue resistance, post-cracking toughness and durability. The concrete pole comprises an annular concrete layer prepared by the concrete and a steel reinforcement cage embedded in the annular concrete layer; the steel reinforcement cage comprises prestressed steel bars and nonprestressed steel bars which vertically wind the axis array of the annular concrete layer and are disposed with intervals in order. The concrete pole with the above structure is simple and reasonable in structure, and has high shear strength, local compressive strength, and bending strength.
Description
Technical field
The present invention relates to building materials field, refer to especially a kind of concrete and apply this concrete cement pole.
Background technology
China, along with the quickening of reform and opening-up developing steps, has nowadays become industrial power in the world, and power demand is increasing.In order to make transmitting line, be that industrial expansion is served better, accomplish fluently solid foundation, quality and secure context to transmitting line are had higher requirement.
Cement pole is widely used on overhead transmission line, electric power, communication and contact system, illuminating line, many-sided advantages such as its outstanding behaviours takies in over-all properties, weather resistance, cost, land resources, town and country view, routine maintenance.Due to improving constantly that overhead transmission line requires, add that climatic factor changes, acid rain amount increases, temperature variation greatly, coastland intensity of typhoon greatly etc.Conventional cement pole generally adopts strength grade C50 concrete at present, conventional cement pole can not effectively be resisted the infringement of external environmental factor to cement pole, cause cement pole cracking early, under actual motion load, crack quantity multiple cracking width is large, can not give full play to the effect of Steel Bar Tensile Strength.Therefore, need to adopt the cement pole that anti-bending strength is good, intensity is high could meet the circuit-line actual demand constantly changing.And produce high-performance cement bar, need more high performance concrete to coordinate just to reach requirement, mostly adopt at present steel fiber reinforced concrete structure, but there is the deficiencies such as easy-to-rust, low strength in steel fiber.
Summary of the invention
The present invention proposes a kind of concrete, has solved the concrete crushing strength that in prior art, cement pole uses and the not good problem of tensile strength.
Technical scheme of the present invention is achieved in that
A kind of concrete, comprises following mass fraction:
0.9～1.1 part of cement, 0.85～0.95 part, sand, 1.6～2 parts of rubbles,
0.1～0.3 part, water, 0.0125～0.02 part of admixture, 0.1～0.2 part of reinforcing fibre.
Further, the ratio of described water, admixture and reinforcing fibre is 10:200:11.
Further, described cement is P II 52.5R silicate cement.
Further, described admixture is high-performance polycarboxylic acid series additive.
Further, described reinforcing fibre length value is 20～35mm.
The present invention also provides a kind of cement pole, and in order to solve, existing cement pole structure is not good, the problem of undercapacity.Technical scheme is as follows:
A kind of cement pole, comprise: adopt the annular concrete layer that described concrete makes and be embedded in the Steel Reinforcement Cage in described annular concrete layer, described Steel Reinforcement Cage comprises longitudinally around described annular concrete layer axis array and spaced deformed bar and nonprestressed reinforcement successively.
Further, described cement pole is hollow-cone body.
Further, described cement pole is hollow body.
Further, the peripheral winding of described Steel Reinforcement Cage is equipped with spiral reinforcement.
Further, described Steel Reinforcement Cage internal surface is evenly provided with the vertical circle of many framves, and described vertical circle rolls the annulus forming for cold-drawn low-carbon wire.
The invention has the beneficial effects as follows: take concrete ultimate compression strength, tension, bending resistance, slip resistance that above-mentioned formula is made to be significantly increased compared with normal concrete, its shock resistance, antifatigue, split rear toughness and weather resistance has larger improvement, make the concrete that belongs to hard brittle material originally become the matrix material with certain plastic property, thereby improved the life-span that structure is used; And the material price adopting is cheap, saving construction costs etc. is had to important economic benefit and social benefit.
And the cement pole that adopts said structure to make, simple and reasonable, there is higher slip resistance, local bearing strength and bending strength, can directly replace middle-size and small-size steel tower, guaranteed the quality of transmitting line and safe time, can saving steel and concrete, minimizing disposal of pollutants, there is outstanding technical economic benefit and environmental benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the two dimensional structure schematic diagram of a kind of cement pole embodiment 6 of the present invention;
Fig. 2 is the cross-sectional structure schematic diagram of cement pole shown in Fig. 1;
Fig. 3 is the part of cement pole Steel Reinforcement Cage shown in Fig. 1 two dimensional structure schematic diagram;
Fig. 4 is the two dimensional structure schematic diagram of a kind of cement pole embodiment 7 of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
In the present embodiment, concrete mass fraction is:
0.11 part, water, 0.02 part of high-performance polycarboxylic admixture, 0.1 part of the reinforcing fibre that length is 35mm, 0.9 part of P II 52.5R silicate cement, 0.85 part, sand, 1.6 parts of rubbles.Wherein, sand adopts the medium sand that fineness modulus is 2.3～3.2.Rubble adopts 5～20 continuous gradings, and maximum particle diameter is not more than 25mm.
Embodiment 2:
In the present embodiment, concrete mass fraction is:
0.28 part, water, 0.0125 part of high-performance polycarboxylic admixture, 0.2 part of the reinforcing fibre that length is 20mm, 1.1 parts of P II 52.5R silicate cements, 0.95 part, sand, 2 parts of rubbles.Wherein, sand adopts the medium sand that fineness modulus is 2.3～3.2.Rubble adopts 5～20 continuous gradings, and maximum particle diameter is not more than 25mm.
Embodiment 3:
In the present embodiment, concrete mass fraction is:
0.2 part, water, 0.0125 part of high-performance polycarboxylic admixture, 0.15 part of the reinforcing fibre that length is 28mm, 1 part of P II 52.5R silicate cement, 0.9 part, sand, 1.8 parts of rubbles.Wherein, sand adopts the medium sand that fineness modulus is 2.3～3.2.Rubble adopts 5～20 continuous gradings, and maximum particle diameter is not more than 25mm.
Embodiment 4:
In the present embodiment, concrete mass fraction is:
0.28 part, water, 0.015 part of high-performance polycarboxylic admixture, 0.1 part of the reinforcing fibre that length is 28mm, 0.9 part of P II 52.5R silicate cement, 0.9 part, sand, 2 parts of rubbles.Wherein, sand adopts the medium sand that fineness modulus is 2.3～3.2.Rubble adopts 5～20 continuous gradings, and maximum particle diameter is not more than 25mm.
Embodiment 5:
In the present embodiment, concrete mass fraction is:
0.2 part, water, 0.02 part of high-performance polycarboxylic admixture, 0.2 part of the reinforcing fibre that length is 28mm, 1.1 parts of P II 52.5R silicate cements, 0.9 part, sand, 1.6 parts of rubbles.Wherein, sand adopts the medium sand that fineness modulus is 2.3～3.2.Rubble adopts 5～20 continuous gradings, and maximum particle diameter is not more than 25mm.
The experimental data measuring according to above-described embodiment is as follows:
By adding reinforcing fibre, utilize the tension force of reinforcing fibre, make a kind of concrete of the present invention there is low-shrinkage, promoted concrete splitting resistance.Described reinforcing fibre is high polymer fiber material.By adding high-performance polycarboxylic admixture, reduced concrete water consumption, reduce fresh concrete through time slump-loss, optimize concrete pore structure after sclerosis, improve concrete degree of compactness and fastness to rubbing.
In sum, a kind of concrete of the present invention has advantages of that concrete compressive strength is higher, its shock resistance, antifatigue, split rear toughness and weather resistance has larger improvement, make the concrete that belongs to hard brittle material originally become the matrix material with certain plastic property, thereby improved the life-span that structure is used; And the material price adopting is cheap, saving construction costs etc. is had to important economic benefit and social benefit.
The present invention also provides a kind of cement pole that adopts above-mentioned concrete to make.The embodiment 6 of a kind of cement pole of the present invention shown in Figure 1, comprising: Steel Reinforcement Cage and the annular concrete layer 1 that adopts described concrete to make.Annular concrete layer 1 is the cone-shaped body of hollow.Steel Reinforcement Cage is embedded in described annular concrete layer 1.The peripheral winding of described Steel Reinforcement Cage is equipped with spiral reinforcement 4.The cement pole of cone-shaped body, has higher ultimate compression strength, is applicable to the occasion that carrying demand is higher.
Described Steel Reinforcement Cage comprises deformed bar 2 and nonprestressed reinforcement 3.Deformed bar 2 and nonprestressed reinforcement 3 are and are longitudinally embedded in annular concrete layer 1, and arrange around described annular concrete layer 1 axis array successively interval.So, the bending resistance of a kind of cement pole of the present invention, resistance to compression and slip resistance are all compared traditional cement pole and have been obtained very big lifting.
As the further optimization to the present embodiment, described Steel Reinforcement Cage internal surface is evenly provided with the vertical circle 5 of many framves, and described vertical circle 5 rolls the annulus forming for cold-drawn low-carbon wire.The effect of spacer bar cage internal surface is played in the setting of the vertical circle 5 of frame, keeps its shape that deformation does not occur.
The cement pole of making by above-mentioned means, utilize spaced deformed bar 2 and nonprestressed reinforcement 3, guaranteed axial compression resistance and the bending strength of cement pole, thereby strengthened the supporting capacity of cement pole, and the setting of spiral reinforcement 4 has guaranteed the slip resistance of cement pole simultaneously.
The present embodiment is as follows through test data measured:
The embodiment 7 of a kind of cement pole of the present invention shown in Figure 4, is different from last embodiment: described annular concrete layer is hollow body.The cement pole of cylindrical body, has advantages of that floor space is less, is applicable to the area of land use anxiety.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a concrete, is characterized in that, comprises following mass fraction:
0.9～1.1 part of cement, 0.85～0.95 part, sand, 1.6～2 parts of rubbles,
0.1～0.3 part, water, 0.0125～0.02 part of admixture, 0.1～0.2 part of reinforcing fibre.
2. a kind of concrete according to claim 1, is characterized in that: the ratio of described water, admixture and reinforcing fibre is 10:200:11.
3. a kind of concrete according to claim 1 and 2, is characterized in that: described cement is P II 52.5R silicate cement.
4. a kind of concrete according to claim 1 and 2, is characterized in that: described admixture is high-performance polycarboxylic acid series additive.
5. a kind of concrete according to claim 1 and 2, is characterized in that: described reinforcing fibre length value is 20～35mm.
6. an application a kind of concrete cement pole as described in any one in claim 1 to 5, it is characterized in that, comprise: adopt the annular concrete layer that described concrete makes and be embedded in the Steel Reinforcement Cage in described annular concrete layer, described Steel Reinforcement Cage comprises longitudinally around described annular concrete layer axis array and spaced deformed bar and nonprestressed reinforcement successively.
7. a kind of cement pole according to claim 6, is characterized in that: described annular concrete layer is hollow-cone body.
8. a kind of cement pole according to claim 6, is characterized in that: described annular concrete layer is hollow body.
9. according to a kind of cement pole described in any one in claim 6 to 8, it is characterized in that: the peripheral winding of described Steel Reinforcement Cage is equipped with spiral reinforcement.
10. according to a kind of cement pole described in any one in claim 6 to 8, it is characterized in that: described Steel Reinforcement Cage internal surface is evenly provided with the vertical circle of many framves, described vertical circle rolls the annulus forming for cold-drawn low-carbon wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310670837.2A CN103739252A (en) | 2013-12-10 | 2013-12-10 | Concrete and concrete pole using same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310670837.2A CN103739252A (en) | 2013-12-10 | 2013-12-10 | Concrete and concrete pole using same |
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| CN103739252A true CN103739252A (en) | 2014-04-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921348A (en) * | 2014-04-30 | 2014-07-16 | 国家电网公司 | High-strength electric concrete pole manufacturing method |
| CN107476637A (en) * | 2017-08-16 | 2017-12-15 | 辽宁工程技术大学 | The wind-power tower and construction method of resin covering framework and fibre reinforced concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958262A (en) * | 2006-09-29 | 2007-05-09 | 上海电力线路器材有限公司 | Concrete in use for high strength reinforced concrete pole with large bending moment |
| CN200940358Y (en) * | 2006-08-30 | 2007-08-29 | 林兴 | Large bending torque part prestress concrete electric pole |
| CN103396063A (en) * | 2013-08-14 | 2013-11-20 | 黄贺明 | Lightweight high-strength ceramsite concrete and concrete pole |
-
2013
- 2013-12-10 CN CN201310670837.2A patent/CN103739252A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200940358Y (en) * | 2006-08-30 | 2007-08-29 | 林兴 | Large bending torque part prestress concrete electric pole |
| CN1958262A (en) * | 2006-09-29 | 2007-05-09 | 上海电力线路器材有限公司 | Concrete in use for high strength reinforced concrete pole with large bending moment |
| CN103396063A (en) * | 2013-08-14 | 2013-11-20 | 黄贺明 | Lightweight high-strength ceramsite concrete and concrete pole |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921348A (en) * | 2014-04-30 | 2014-07-16 | 国家电网公司 | High-strength electric concrete pole manufacturing method |
| CN103921348B (en) * | 2014-04-30 | 2016-03-23 | 国家电网公司 | A kind of preparation method of high strength electric power cement pole |
| CN107476637A (en) * | 2017-08-16 | 2017-12-15 | 辽宁工程技术大学 | The wind-power tower and construction method of resin covering framework and fibre reinforced concrete |
| CN107476637B (en) * | 2017-08-16 | 2019-05-10 | 辽宁工程技术大学 | The wind-power tower and construction method of resin covering frame and fibre reinforced concrete |
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Application publication date: 20140423 |