CN102226339A - Prefabricated high-strength steel fiber reinforced concrete quadrate pile - Google Patents
Prefabricated high-strength steel fiber reinforced concrete quadrate pile Download PDFInfo
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- CN102226339A CN102226339A CN2011100761988A CN201110076198A CN102226339A CN 102226339 A CN102226339 A CN 102226339A CN 2011100761988 A CN2011100761988 A CN 2011100761988A CN 201110076198 A CN201110076198 A CN 201110076198A CN 102226339 A CN102226339 A CN 102226339A
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Abstract
The invention discloses a prefabricated high-strength steel fiber reinforced concrete quadrate pile which comprises a concrete pile body (1), the cross section of the concrete pile body (1) is quadrate, the inside of the concrete pile body (1) is provided with a reinforcing cage (2), and the reinforcing cage (2) is composed of a main reinforcement (2-1) and a stirrup (2-2) arranged on the main reinforcement (2-1). The prefabricated high-strength steel fiber reinforced concrete quadrate pile is characterized in that a steel fiber reinforced concrete (3) is respectively cast in the two ends of the concrete pile body (1), the lengths L of the steel fiber reinforced concretes (3) in the two ends of the concrete pile body (1) are 1-10 times as large as the length of the cross section of the concrete pile body (1), a common concrete (4) is cast in the middle part of the concrete pile body (1), and the two ends of the reinforcing cage (2) are provided with at least a layer of reinforcing mesh panels (5). The prefabricated high-strength steel fiber reinforced concrete quadrate pile disclosed by the invention has the advantages of high pile forming rate, good ductility of pile body, quick pile splicing, material saving, light weight, and capability of improving the striking resistant capacity of a pile head and the soil embedding capacity (rock embedding capacity) of a pile tip, and further improving the ratio of bearing capacity to price.
Description
Technical field:
The present invention relates to a kind of prefabricated high strength steel fiber reinforced concrete side stake, belong to building material technical field.
Technical background:
At present, have in market as the piling of foundation pile engineering a variety of, if any pile tube, all kinds of sides' stakes, castinplace pile, bored pile etc., these pilings mainly divide non-prestressed member and prestressed member two big classes, the prestressed member piling comprises, pile tube, prestress square pile etc.Their shortcoming is: fragility is bigger, and is shorter from the time to rupture that ftractures; Stake ductility is poor, causes the moment building collapsing when earthquake takes place, and makes the interior personnel of building not have the adequate time escape; Corrosion-resistant is not suitable for corrosion and soil environment such as saline and alkaline; Shear resistance is poor, makes building opposing horizontal applied force poor performance; Complex process, the cost of manufacture height, fund threshold height is used in Industry Promotion.Non-prestressed member stake comprises, the stake of tradition side, tube-sinking cast-in-situ pile, CFG stake etc.It is relatively low that they show as bearing capacity of single pile, and bending resistance (drawing), shear behavior are poor, long construction period, and pile quality is wayward; Piling well damage in stake transportation of tradition side and the use causes the pile body poor durability; Pile shaft concrete strength is low, and steel using amount is big, and the cost height is uneconomical.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art and provide a kind of manufacture craft simple, pile body ductility is good, corrosion-resistant, the bearing capacity of single pile height, it is good that performance is cut in horizontal bending resistance, shock resistance is strong, in the transportation loss few, material-saving economy, apply the low prefabricated high strength steel fiber reinforced concrete side stake of threshold.
Purpose of the present invention can reach by following measure: a kind of prefabricated high strength steel fiber reinforced concrete side stake, it comprises the concrete pile body, its cross section is square, be provided with reinforcing cage in the concrete pile body, reinforcing cage is made of the stirrup on main muscle and the main muscle, it is characterized in that the two ends in the concrete pile body build steel fiber concrete, the length L of the steel fiber concrete at two ends be the concrete pile body the cross section length of side 1-10 doubly, ordinary concrete is built at middle part in the concrete pile body, and the two ends of reinforcing cage are provided with one deck reinforced mesh at least.
For further realize purpose of the present invention, the length L of the steel fiber concrete at described two ends be the concrete pile body the cross section length of side 1-2 doubly.
In order further to realize purpose of the present invention, the spacing of the stirrup at described reinforcing cage two ends is less than the spacing of the stirrup at reinforcing cage middle part, and the spacing of the stirrup at reinforcing cage two ends is 30-100mm, and the spacing of the stirrup at reinforcing cage middle part is 100-200mm.
Airtight hollow in order further to realize that purpose of the present invention, the middle part of described reinforcing cage are provided with.
In order further to realize purpose of the present invention, one end of described concrete pile body has the stake point, the length L of the steel fiber concrete of one end be the concrete pile body the cross section length of side 1-10 doubly, the length L 1 of the steel fiber concrete of the sharp end of stake be the concrete pile body the cross section length of side 1-5 doubly.
For further realize purpose of the present invention, the length L of the steel fiber concrete of a described end be the concrete pile body the cross section length of side 1-2 doubly, the length L 1 of the steel fiber concrete of the sharp end of stake be the concrete pile body the cross section length of side 1-2 doubly.
In order further to realize purpose of the present invention, at least one end of described concrete pile body is provided with the metal end plate that is connected with reinforcing cage, four end limits of end plate are provided with bevel for welding, are provided with reinforcing bar around the end plate and connect circular hole, and the main muscle of reinforcing cage is connected circular hole and connects with reinforcing bar.
In order further to realize purpose of the present invention, the middle part of described end plate is provided with through hole.
In order further to realize purpose of the present invention, at least one end of concrete pile body is with the pile protection hoop.
In order further to realize purpose of the present invention, the number of plies of the two ends reinforced mesh of described reinforcing cage is a layer 1-7.
The present invention can produce following good effect compared with the prior art: the present invention has strengthened pile crown, the sharp intensity of stake owing to adopt steel fiber concrete at the pile body two ends, has improved the anti-hammering ability of pile body and (the going into rock) ability of burying.Pile crown, the broken phenomenon of stake end seldom appear in pile driving process, quick construction, economy.Increase steel fibre, cancelled the members such as billet, steel hoop, steel boots of traditional side stake, reduced rolled steel dosage, improved economic performance.(bevel for welding is established on square metal steel plate four limits owing to use the connection end plate in the both ends or one end that will connect stake in addition, the reinforcing cage stud is connected on the steel plate, the drawknot degree is good and solid), or use the pile protection hoop and (a kind ofly make by steel plate, side's hoop of stake end, the side of being enclosed within) pile extension ability and pile extension speed have been improved, pile body ductility is good, pile rate height.Owing to be provided with airtight round core pipe in the middle of hollow square pile, reduced deadweight again, saved reinforcing bar and concrete, a nearly step has been improved the economic performance of this stake.
Description of drawings:
Fig. 1 is the structural representation of first kind of embodiment of the present invention;
Fig. 2 is the structural representation of second kind of embodiment of the present invention;
Fig. 3 is the structural representation of the third embodiment of the present invention;
Fig. 4 is the structural representation of the 4th kind of embodiment of the present invention;
Fig. 5 is the structural representation of the 5th kind of embodiment of the present invention;
Fig. 6 is the structural representation of the 6th kind of embodiment of the present invention;
Fig. 7 is the structural representation of end plate of the present invention;
Fig. 8 is the lateral view of Fig. 7;
Fig. 9 is the enlarged drawing at end plate of the present invention place;
Figure 10 is a connected mode enlarged drawing of the present invention;
Figure 11 is the structural representation of the 7th kind of embodiment of the present invention;
Figure 12 is the enlarged drawing at the pile protection hoop place of Figure 11;
The specific embodiment: preferred forms of the present invention is elaborated below in conjunction with accompanying drawing:
Embodiment 1: a kind of prefabricated high strength steel fiber reinforced concrete side stake (referring to Fig. 1), it comprises concrete pile body 1, its cross section is square, be provided with reinforcing cage 2 in the concrete pile body 1, reinforcing cage 2 is made of main muscle 2-1 and colligation or the stirrup 2-2 that is welded on the main muscle 2-1, the spacing of the stirrup 2-2 at reinforcing cage 2 two ends is less than the spacing of the stirrup 2-2 at reinforcing cage 2 middle parts, be that two ends are closeer than the middle part, the spacing of the stirrup 2-2 at reinforcing cage 2 two ends is 30-100mm, and the spacing of the stirrup 2-2 at reinforcing cage 2 middle parts is 100-200mm.Steel fiber concrete 3 is built at two ends in the concrete pile body 1, the length L of the steel fiber concrete 3 at two ends be concrete pile body 1 the cross section length of side 1-2 doubly, ordinary concrete 4 is built at middle part in the concrete pile body 1, the middle part of reinforcing cage 2 is provided with airtight hollow 6, reduce the concrete consumption, hollow 6 can be located in the ordinary concrete 4, also can be located in steel fiber concrete 3 and the ordinary concrete 4, the two ends of reinforcing cage 2 are provided with two-layer reinforced mesh 5, have improved the anti-degree that impacts of pile body.Be provided with suspension ring 7 in the concrete pile body 1.
Embodiment 2: a kind of prefabricated high strength steel fiber reinforced concrete side stake (referring to Fig. 2), and its structure is substantially the same manner as Example 1, and its difference is that an end of concrete pile body 1 has the stake point.The length L of the steel fiber concrete 3 of one end is 1.2 times of the cross section length of side of concrete pile body 1, and the length L 1 of the steel fiber concrete 3 of the sharp end of stake is 1.6 times of the cross section length of side of concrete pile body 1.
Embodiment 3: a kind of prefabricated high strength steel fiber reinforced concrete side stake (referring to Fig. 3, Fig. 6, Fig. 7, Fig. 8), its structure is substantially the same manner as Example 1, its difference is that an end of concrete pile body 1 is provided with the metal end plate 8 that is connected with reinforcing cage 2, four end limits of end plate 8 are provided with bevel for welding 8-1, be provided with reinforcing bar around the end plate 8 and connect circular hole 8-2, the main muscle 2-1 of reinforcing cage 2 is connected circular hole 8-2 and connects with reinforcing bar, the middle part of end plate 8 is provided with through hole 8-3, and the length L of the steel fiber concrete 3 at two ends is 1.2 times of the cross section length of side of concrete pile body 1.
Embodiment 4: a kind of prefabricated high strength steel fiber reinforced concrete side stake (referring to Fig. 4, Fig. 6, Fig. 7, Fig. 8), and its structure is substantially the same manner as Example 3, and its difference is that its difference is that an end of concrete pile body 1 has the stake point.The length L of the steel fiber concrete 3 of one end be concrete pile body 1 the cross section length of side 2-5 doubly, the length L 1 of the steel fiber concrete 3 of the sharp end of stake be concrete pile body 1 the cross section length of side 1-5 doubly.
Embodiment 5: a kind of prefabricated high strength steel fiber reinforced concrete side stake (referring to Fig. 5, Fig. 6, Fig. 7, Fig. 8), its structure is substantially the same manner as Example 1, its difference is that the two ends of concrete pile body 1 are provided with the metal end plate 8 that is connected with reinforcing cage 2, four end limits of end plate 8 are provided with bevel for welding 8-1, be provided with reinforcing bar around the end plate 8 and connect circular hole 8-2, the main muscle 2-1 of reinforcing cage 2 is connected circular hole 8-2 and connects with reinforcing bar, the middle part of end plate 8 is provided with through hole 8-3.The length L of the steel fiber concrete 3 at two ends be concrete pile body 1 the cross section length of side 5-10 doubly.
Embodiment 6: a kind of prefabricated high strength steel fiber reinforced concrete side stake (referring to Fig. 5, Fig. 6, Fig. 7, Fig. 8), and its structure is substantially the same manner as Example 5, and it is airtight hollow 6 that its difference is that the middle part of reinforcing cage 2 is not provided with, and this side's stake be solid side.The length L of the steel fiber concrete 3 at two ends be concrete pile body 1 the cross section length of side 1-10 doubly.
Embodiment 7: a kind of prefabricated high strength steel fiber reinforced concrete side stake (referring to Figure 11, Figure 12), and its structure is substantially the same manner as Example 1, and its difference is that the two ends of concrete pile body 1 are with pile protection hoop 9.
The foregoing description can be selected solid or hollow as required, and it is a monoblock steel plate that end plate 8 also can not established through hole.The number of plies of the two ends reinforced mesh 5 of reinforcing cage 2 is a layer 1-7 as required.Can not be provided with suspension ring 7 in the concrete pile body 1.
As required, the use (referring to Figure 10) that a kind of prefabricated high strength steel fiber reinforced concrete side stake of a plurality of the present invention can be linked together, side's stake is provided with metal end plate with the junction of side's stake, welds between the bevel for welding with metal end plate.Also the side's stake that is with pile protection hoop 9 can be welded to connect with angle steel, steel plate with the side's stake that is with pile protection hoop 9.
Above embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make the technical scheme of invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. prefabricated high strength steel fiber reinforced concrete side stake, it comprises concrete pile body (1), its cross section is square, be provided with reinforcing cage (2) in the concrete pile body (1), reinforcing cage (2) is made of the stirrup (2-2) on main muscle (2-1) and the main muscle (2-1), it is characterized in that the two ends in the concrete pile body (1) build steel fiber concrete (3), the length L of the steel fiber concrete at two ends (3) be concrete pile body (1) the cross section length of side 1-10 doubly, ordinary concrete (4) is built at middle part in the concrete pile body (1), and the two ends of reinforcing cage (2) are provided with one deck reinforced mesh (5) at least.
2. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 1, the length L that it is characterized in that the steel fiber concrete (3) at described two ends be concrete pile body (1) the cross section length of side 1-2 doubly.
3. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 1, the spacing of stirrup (2-2) that it is characterized in that described reinforcing cage (2) two ends is less than the spacing of the stirrup (2-2) at reinforcing cage (2) middle part, the spacing of the stirrup (2-2) at reinforcing cage (2) two ends is 30-100mm, and the spacing of the stirrup (2-2) at reinforcing cage (2) middle part is 100-200mm.
4. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 1 is characterized in that the middle part of described reinforcing cage (2) is provided with airtight hollow (6).
5. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 1, an end that it is characterized in that described concrete pile body (1) has the stake point, the length L of the steel fiber concrete of one end (3) be concrete pile body (1) the cross section length of side 1-10 doubly, the length L 1 of the steel fiber concrete (3) of the sharp end of stake be concrete pile body (1) the cross section length of side 1-5 doubly.
6. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 5, the length L that it is characterized in that the steel fiber concrete (3) of a described end be concrete pile body (1) the cross section length of side 1-2 doubly, the length L 1 of the steel fiber concrete (3) of the sharp end of stake be concrete pile body (1) the cross section length of side 1-2 doubly.
7. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 1, at least one end that it is characterized in that described concrete pile body (1) is provided with the metal end plate (8) that is connected with reinforcing cage (2), four end limits of end plate (8) are provided with bevel for welding (8-1), be provided with reinforcing bar around the end plate (8) and connect circular hole (8-2), the main muscle (2-1) of reinforcing cage (2) is connected circular hole (8-2) and connects with reinforcing bar.
8. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 7 is characterized in that the middle part of described end plate (8) is provided with through hole (8-3).
9. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 1 is characterized in that at least one end of described concrete pile body (1) is with pile protection hoop (9).
10. a kind of prefabricated high strength steel fiber reinforced concrete side stake according to claim 1 is characterized in that the number of plies of the two ends reinforced mesh (5) of described reinforcing cage (2) is a layer 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100761988A CN102226339A (en) | 2011-03-23 | 2011-03-23 | Prefabricated high-strength steel fiber reinforced concrete quadrate pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100761988A CN102226339A (en) | 2011-03-23 | 2011-03-23 | Prefabricated high-strength steel fiber reinforced concrete quadrate pile |
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| CN102226339A true CN102226339A (en) | 2011-10-26 |
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| CN2011100761988A Pending CN102226339A (en) | 2011-03-23 | 2011-03-23 | Prefabricated high-strength steel fiber reinforced concrete quadrate pile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704471A (en) * | 2012-05-22 | 2012-10-03 | 张俊峰 | Prestress solid concrete preformed pile |
| CN102995629A (en) * | 2012-12-17 | 2013-03-27 | 青岛昊河水泥制品有限责任公司 | Precast reinforced concrete square pile and manufacturing method thereof |
| CN113026727A (en) * | 2021-03-18 | 2021-06-25 | 盐城中桩预制构件有限公司 | Hollow precast concrete pile and processing method thereof |
| CN114016497A (en) * | 2021-11-11 | 2022-02-08 | 江苏宏强新型建材有限公司 | Prefabricated high-strength steel fiber concrete square pile |
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| CN1563601A (en) * | 2004-03-15 | 2005-01-12 | 中国第二十冶金建设公司 | Concrete pipe pile mixed by steel fiber and fabricating method |
| JP2006016777A (en) * | 2004-06-30 | 2006-01-19 | Tama Engineering Kk | Rotatingly press-fitted pile |
| CN1804229A (en) * | 2006-01-19 | 2006-07-19 | 张延军 | Prefabricated reinforced concrete pile with low temperature geothermal energy conversion function |
| CN201045187Y (en) * | 2007-04-30 | 2008-04-09 | 上海中技桩业发展有限公司 | Prestressing force high-strength concrete square pile |
| CN202031077U (en) * | 2011-03-23 | 2011-11-09 | 周晓伟 | Prefabricated high-strength steel fiber concrete square pile |
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2011
- 2011-03-23 CN CN2011100761988A patent/CN102226339A/en active Pending
Patent Citations (6)
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| CN2221618Y (en) * | 1994-10-28 | 1996-03-06 | 北京市通县冀东基础工程处 | Triangular precast reinforced concrete pile |
| CN1563601A (en) * | 2004-03-15 | 2005-01-12 | 中国第二十冶金建设公司 | Concrete pipe pile mixed by steel fiber and fabricating method |
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| CN1804229A (en) * | 2006-01-19 | 2006-07-19 | 张延军 | Prefabricated reinforced concrete pile with low temperature geothermal energy conversion function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704471A (en) * | 2012-05-22 | 2012-10-03 | 张俊峰 | Prestress solid concrete preformed pile |
| CN102995629A (en) * | 2012-12-17 | 2013-03-27 | 青岛昊河水泥制品有限责任公司 | Precast reinforced concrete square pile and manufacturing method thereof |
| CN102995629B (en) * | 2012-12-17 | 2013-09-18 | 青岛昊河水泥制品有限责任公司 | Precast reinforced concrete square pile and manufacturing method thereof |
| CN113026727A (en) * | 2021-03-18 | 2021-06-25 | 盐城中桩预制构件有限公司 | Hollow precast concrete pile and processing method thereof |
| CN114016497A (en) * | 2021-11-11 | 2022-02-08 | 江苏宏强新型建材有限公司 | Prefabricated high-strength steel fiber concrete square pile |
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Application publication date: 20111026 |