CN204023562U - Pretensioning prestressed concrete solid square pile - Google Patents
Pretensioning prestressed concrete solid square pile Download PDFInfo
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- CN204023562U CN204023562U CN201420418450.8U CN201420418450U CN204023562U CN 204023562 U CN204023562 U CN 204023562U CN 201420418450 U CN201420418450 U CN 201420418450U CN 204023562 U CN204023562 U CN 204023562U
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Abstract
The utility model discloses a kind of pretensioning prestressed concrete solid square pile, belong to building unit, comprise pile body and the end plate being connected with the upper end of pile body, the lower end of pile body is pile top, described pile body is formed by concreting, the built-in reinforcing cage of pile body, described reinforcing cage consists of main muscle and stirrup, described stirrup is connected to integral body by main muscle, the lower end connecting reinforcement pile top of described reinforcing cage, the upper end heading of the main muscle of described reinforcing cage, heading is fixedly connected with end plate, the end face of described reinforcing cage is square, described main muscle adopts steel bar for prestressed concrete, in described reinforcing cage, be also provided with four non-prestressed additional main muscle, described additional main muscle is located at four jiaos of reinforcing cage and fixes with the stirrup of reinforcing cage, the stirrup of described reinforcing cage arranges twist, the stirrup of described reinforcing cage is connected by roll welding with main muscle.Square pile overall construction intensity of the present utility model is high.
Description
Technical field
The utility model relates to building unit technical field, relates in particular to a kind of pretensioning prestressed concrete solid square pile.
Background technology
Pretensioning prestressed concrete pile becomes basically universal in the whole nation at present, and the degree of recognition of building bound pair pretensioning prestressed concrete pile progressively improves.In prior art, have multiple prestressed concrete solid pile, if the pile body part of a kind of square pile is wherein by the main muscle of stirrup spiral winding prestressing force, stirrup is tied up and is connected with main muscle intersection; The main muscle of prestressing force is the main muscle combination of four jiaos of main muscle of prestressing force and interior four jiaos of prestressing force, and four jiaos of main muscle of prestressing force are four main muscle of prestressing force, are distributed in four jiaos of pile body, form square; Interior four jiaos of main muscle of prestressing force are also four main muscle of prestressing force, are evenly distributed on foursquare four limits that consist of four jiaos of main muscle of prestressing force.The main muscle setting of its prestressing force and irrational distribution, affected the overall construction intensity of pile body.
Utility model content
In view of this, the utility model provides a kind of pretensioning prestressed concrete solid square pile, and main purpose is to improve the overall construction intensity of pile body.
For achieving the above object, the utility model mainly provides following technical scheme:
Embodiment of the present utility model provides a kind of pretensioning prestressed concrete solid square pile, comprise pile body and the end plate being connected with the upper end of pile body, the lower end of pile body is pile top, described pile body is formed by concreting, the built-in reinforcing cage of pile body, described reinforcing cage consists of main muscle and stirrup, described stirrup is connected to integral body by main muscle, the lower end connecting reinforcement pile top of described reinforcing cage, the upper end heading of the main muscle of described reinforcing cage, heading is fixedly connected with end plate, the end face of described reinforcing cage is square, described main muscle adopts steel bar for prestressed concrete, in described reinforcing cage, be also provided with four non-prestressed additional main muscle, described additional main muscle is located at four jiaos of reinforcing cage and fixes with the stirrup of reinforcing cage, the stirrup of described reinforcing cage arranges twist, the stirrup of described reinforcing cage is connected by roll welding with main muscle.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Aforesaid pretensioning prestressed concrete solid square pile, described stirrup adopts mild steel wire.
Aforesaid pretensioning prestressed concrete solid square pile, described reinforcing bar pile top comprises non-prestressed pile top dowel and is positioned at the steel boots of pile top end, the tetragonous cone table of described steel boots for being formed by four block plates, described non-prestressed pile top dowel is five, wherein four non-prestressed pile top dowels are peripheral dowel, dowel centered by; Four peripheral dowels are individually fixed in four rib places of tetragonous cone table inside, and center dowel is along the axis setting of tetragonous cone table, and one end of center dowel is passed the end face of tetragonous cone table and fixed with the end face of tetragonous cone table, and peripheral dowel is wound with stirrup outward; , non-prestressed pile top dowel stretches into reinforcing cage, and the length that stretches into reinforcing cage is not less than 1m, and four peripheral dowels and spiral bar carry out colligation to be fixed, and center dowel is fixed on the center of reinforcing cage by fixture.
Aforesaid pretensioning prestressed concrete solid square pile, described reinforcing bar pile top comprises five non-prestressed pile top dowels and is positioned at the square steel plate of pile top end, four non-prestressed pile top dowels in five non-prestressed pile top dowels are peripheral dowel, dowel centered by one, the center of square steel plate has through hole, one end of center dowel through through hole and with square Plate Welding, one end of peripheral dowel and the welding of center dowel, peripheral dowel is wound with stirrup outward, non-prestressed pile top dowel stretches into reinforcing cage, and the length that stretches into reinforcing cage is not less than 1m, four peripheral dowels and spiral bar carry out colligation to be fixed, center dowel is fixed on the center of reinforcing cage by fixture.
Aforesaid pretensioning prestressed concrete solid square pile, described concrete forms reinforcement cover in the outside of reinforcing cage, and the thickness of reinforcement cover is 45mm～65mm.
Aforesaid pretensioning prestressed concrete solid square pile, the upper end of described additional main muscle is apart from the upper end 5cm～15cm of reinforcing cage.
Aforesaid pretensioning prestressed concrete solid square pile, described additional main muscle length is four times of the solid square pile cross section length of side and is not less than 2m.
Aforesaid pretensioning prestressed concrete solid square pile, described additional main muscle is fixed by the stirrup of colligation and reinforcing cage.
By technique scheme, pretensioning prestressed concrete solid square pile of the present utility model at least has following advantages:
Method with roll welding in the utility model is shaped as reinforcing cage by stirrup and main muscle according to certain spacing spiral roll solid welding, and not only processing is simple, efficiency is high, and guarantees that stirrup and main muscle fit together.Owing to adopting the mode of welding that stirrup and main muscle are fixed, main muscle can adopt the less reinforcing bar of main muscle diameter connecting than colligation mode, for the prestressed concrete pile of large usage quantity, can reduce consumptive material like this, greatly reduces manufacturing cost.Stirrup adopts mild steel wire production technology in actual production process simple, and quality is more easy to control, and mild steel wire easily welds, and is difficult for causing the situations such as loose cage, can improve the quality of solid square pile.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of manual, below with preferred embodiment of the present utility model and coordinate accompanying drawing to be described in detail as follows.
Accompanying drawing explanation
The structural representation of a kind of pretensioning prestressed concrete solid square pile that Fig. 1 provides for the utility model embodiment;
The schematic cross-section of a kind of pretensioning prestressed concrete solid square pile that Fig. 2 provides for the utility model embodiment;
The structural representation of the reinforcing bar pile top of a kind of pretensioning prestressed concrete solid square pile that Fig. 3 provides for the utility model embodiment;
The structural representation of the reinforcing bar pile top of a kind of pretensioning prestressed concrete solid square pile that Fig. 4 provides for the utility model embodiment.
The specific embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined utility model object is taked, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment according to the utility model application, structure, feature and effect thereof, be described in detail as follows.In following explanation, the not necessarily same embodiment that different " embodiment " or " embodiment " refer to.In addition, special characteristic, structure or the feature in one or more embodiment can be combined by any suitable form.
As depicted in figs. 1 and 2, a kind of pretensioning prestressed concrete solid square pile that an embodiment of the present utility model proposes, comprise the end plate 2 that pile body 1 is connected with upper end with pile body 1, the lower end of pile body is pile top 3, pile body 1 is formed by concreting, the built-in reinforcing cage 4 of pile body 1, reinforcing cage 4 consists of main muscle 41 and stirrup 42, stirrup 42 is connected to integral body by main muscle 41, the lower end connecting reinforcement pile top 5 of reinforcing cage 4, the upper end heading of the main muscle 41 of reinforcing cage 4, heading is fixedly connected with end plate 2, the end face of reinforcing cage 4 is square, main muscle 41 adopts steel bar for prestressed concrete, in reinforcing cage 4, be also provided with four non-prestressed additional main muscle 6, additional main muscle 6 is located at four jiaos of reinforcing cage 4 and is fixed with the stirrup 42 of reinforcing cage 4, the stirrup 42 of reinforcing cage 4 arranges twist, the stirrup 42 of reinforcing cage 4 is connected by roll welding with main muscle 41.
Further, for the ease of the manufacture of stirrup and the welding of reinforcing cage of reinforcing cage, following embodiment, wherein the stirrup employing mild steel wire of also providing of the present utility model.Mild steel wire is easy to produce, and is easy to carry out weld job.Mild steel hot rolling wire rod or cold-drawn low-carbon wire can pull into satisfactory mild steel wire.
Further, of the present utility modelly also provide following embodiment, as shown in Figure 3, reinforcing bar pile top 5 comprises five non-prestressed pile top dowels 51 and is positioned at the square steel plate 52 of pile top end, four non-prestressed pile top dowels in five non-prestressed pile top dowels 51 are peripheral dowel 511, centered by one, dowel 512, square steel plate 52 center has through hole, one end of center dowel 512 through through hole and with square Plate Welding, one end of peripheral dowel 511 and 512 welding of center dowel, the outer stirrup (not shown) that is wound with of peripheral dowel 511, non-prestressed pile top dowel stretches into reinforcing cage, and the length that stretches into reinforcing cage is not less than 1m, four peripheral dowels and spiral bar carry out colligation to be fixed, center dowel is fixed on the center of reinforcing cage by fixture.Fixture can adopt various ways, as comprised, for entangling the collar of center dowel 512 and the dowel that collar surrounding radioactivity is extended, dowel and reinforcing cage are fixing can be fixed on center dowel 512 center of reinforcing cage.
Further, of the present utility modelly also provide following embodiment, as shown in Figure 4, reinforcing bar pile top 5 comprises non-prestressed pile top dowel 51 and is positioned at the steel boots 53 of pile top end, the tetragonous cone table of steel boots 53 for being formed by four block plates, non-prestressed pile top dowel 51 is five, and wherein four non-prestressed pile top dowels are dowel 512 centered by 511, one of peripheral dowels; Four peripheral dowels 511 schedule respectively four rib places of tetragonous cone table inside, center dowel 512 is along the axis setting of tetragonous cone table, one end of center dowel 512 is passed the end face of tetragonous cone table and is welded and fixed with the end face of tetragonous cone table, the outer stirrup (not shown) that is wound with of peripheral dowel 511; Non-prestressed pile top dowel stretches into reinforcing cage, and the length that stretches into reinforcing cage is not less than 1m, and four peripheral dowels and spiral bar carry out colligation to be fixed, and center dowel is fixed on the center of reinforcing cage by fixture.Guaranteed that reinforcing bar pile top is connected with reinforcing cage firm, and the steadiness of square pile integral body.Peripheral dowel adopts the mode of colligation to be fixedly connected with the stirrup of reinforcing cage, convenient and swift.
Further, of the present utility modelly also provide following embodiment, concrete forms reinforcement cover 7 in the outside of reinforcing cage, and the thickness of reinforcement cover 7 is 45mm～65mm.Built-in reinforcing bar is effectively protected, extended the application life of square pile.
Further, of the present utility modelly also provide following embodiment, the upper end of additional main muscle 6 is apart from the upper end 5cm～15cm of reinforcing cage.The convenient end plate of installing.
Further, of the present utility modelly also provide following embodiment, additional main muscle 6 length are four times of the solid square pile cross section length of side and are not less than 2m.Improved the integrally-built fastness of square pile, increased the service life.
Further, of the present utility modelly also provide following embodiment, additional main muscle is fixed by the stirrup of colligation and reinforcing cage.Convenient and swift.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. pretensioning prestressed concrete solid square pile, comprise pile body and the end plate being connected with the upper end of pile body, the lower end of pile body is pile top, described pile body is formed by concreting, the built-in reinforcing cage of pile body, described reinforcing cage consists of main muscle and stirrup, described stirrup is connected to integral body by main muscle, the lower end connecting reinforcement pile top of described reinforcing cage, the upper end heading of the main muscle of described reinforcing cage, heading is fixedly connected with end plate, the end face of described reinforcing cage is square, it is characterized in that, described main muscle adopts steel bar for prestressed concrete, in described reinforcing cage, be also provided with four non-prestressed additional main muscle, described additional main muscle is located at four jiaos of reinforcing cage and fixes with the stirrup of reinforcing cage, the stirrup of described reinforcing cage arranges twist, the stirrup of described reinforcing cage is connected by roll welding with main muscle.
2. pretensioning prestressed concrete solid square pile according to claim 1, is characterized in that, described stirrup adopts mild steel wire.
3. pretensioning prestressed concrete solid square pile according to claim 1, it is characterized in that, described reinforcing bar pile top comprises non-prestressed pile top dowel and is positioned at the steel boots of pile top end, the tetragonous cone table of described steel boots for being formed by four block plates, described non-prestressed pile top dowel is five, wherein four non-prestressed pile top dowels are peripheral dowel, dowel centered by; Four peripheral dowels are individually fixed in four rib places of tetragonous cone table inside, and center dowel is along the axis setting of tetragonous cone table, and one end of center dowel is passed the end face of tetragonous cone table and fixed with the end face of tetragonous cone table, and peripheral dowel is wound with stirrup outward; , non-prestressed pile top dowel stretches into reinforcing cage, and the length that stretches into reinforcing cage is not less than 1m, and four peripheral dowels and spiral bar carry out colligation to be fixed, and center dowel is fixed on the center of reinforcing cage by fixture.
4. pretensioning prestressed concrete solid square pile according to claim 1, it is characterized in that, described reinforcing bar pile top comprises five non-prestressed pile top dowels and is positioned at the square steel plate of pile top end, four non-prestressed pile top dowels in five non-prestressed pile top dowels are peripheral dowel, dowel centered by one, the center of square steel plate has through hole, one end of center dowel through through hole and with square Plate Welding, one end of peripheral dowel and the welding of center dowel, peripheral dowel is wound with stirrup outward, non-prestressed pile top dowel stretches into reinforcing cage, and the length that stretches into reinforcing cage is not less than 1m, four peripheral dowels and spiral bar carry out colligation to be fixed, center dowel is fixed on the center of reinforcing cage by fixture.
5. pretensioning prestressed concrete solid square pile according to claim 1, is characterized in that, described concrete forms reinforcement cover in the outside of reinforcing cage, and the thickness of reinforcement cover is 45mm～65mm.
6. pretensioning prestressed concrete solid square pile according to claim 1, is characterized in that, the upper end of described additional main muscle is apart from the upper end 5cm～15cm of reinforcing cage.
7. pretensioning prestressed concrete solid square pile according to claim 1, is characterized in that, described additional main muscle length is four times of the solid square pile cross section length of side and is not less than 2m.
8. pretensioning prestressed concrete solid square pile according to claim 1, is characterized in that, described additional main muscle is fixed by the stirrup of colligation and reinforcing cage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420418450.8U CN204023562U (en) | 2014-07-28 | 2014-07-28 | Pretensioning prestressed concrete solid square pile |
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| CN201420418450.8U CN204023562U (en) | 2014-07-28 | 2014-07-28 | Pretensioning prestressed concrete solid square pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221964A (en) * | 2018-01-31 | 2018-06-29 | 中国地质大学（武汉） | A kind of Bougainvillea spectabilis flower-shape concrete tubular pile and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221964A (en) * | 2018-01-31 | 2018-06-29 | 中国地质大学（武汉） | A kind of Bougainvillea spectabilis flower-shape concrete tubular pile and preparation method thereof |
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Address after: 265200 Shandong city of Laiyang province muyudian town Daming Village Patentee after: Jianhua building materials (Laiyang) Co. Ltd. Address before: 265200, Daming town, bath Town, Yantai, Yantai, Laiyang, Shandong Patentee before: Yantai Jianhua Concrete Pile Co.,Ltd. |