CN102995629A - Precast reinforced concrete square pile and manufacturing method thereof - Google Patents
Precast reinforced concrete square pile and manufacturing method thereof Download PDFInfo
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- CN102995629A CN102995629A CN2012105500705A CN201210550070A CN102995629A CN 102995629 A CN102995629 A CN 102995629A CN 2012105500705 A CN2012105500705 A CN 2012105500705A CN 201210550070 A CN201210550070 A CN 201210550070A CN 102995629 A CN102995629 A CN 102995629A
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Abstract
The invention discloses a precast reinforced concrete square pile and a manufacturing method thereof. The square pile comprises a reinforcement cage, a pile toe assembly, a pile tip mesh and high-strength concrete, wherein HRB400 reinforcement is adopted as main reinforcement of the reinforcement cage; the reinforcement cage is formed by the main reinforcement manufactured by welding stirrups in a spiral sliding manner; the section of the reinforcement cage is a regular quadrangle; the pile tip mesh, the reinforcement cage and the pile toe assembly form a whole framework; the whole framework and the high-strength concrete form a whole solid pile body; the whole solid pile body is formed by a pile body section and a pile toe section; and the section of the pile body section is square, and the section of the pile toe section is pyramidal. In the invention, as the pile equipped reinforcement cage is formed by mechanical roll welding, the usage amount of the stirrups can be reduced; the square pile has the advantages of advanced process, convenience in operation, reliable quality and high production efficiency; and besides, the whole strength of the pile can be improved by adopting the high-strength concrete for pouring.
Description
Technical field
The present invention relates to building materials production and processing field, specifically relate to a kind of Prefabricated Reinforced Concrete Square Pile, and a kind of preparation method of Prefabricated Reinforced Concrete Square Pile.
Background technology
According to the design of existing pile foundation, the ordinary reinforced concrete stake adopts the reinforcing cage of making in advance also to carry out intensive colligation stirrup in process of production, and the main muscle of hoop knot carries out fluid concrete, covering, maintenance through adjustment, inspection, matched moulds and forms.Above-mentioned concrete pile complex manufacturing is and ancient, and fabrication of reinforcing cage is wasted time and energy, and labour intensity is large, cost of production of poor quality, as to increase concrete pile.
This shows, be necessary to precast reinforced concrete pile pile body in the prior art with and preparation method thereof improve.
Summary of the invention
Task of the present invention be to solve ordinary reinforced concrete stake pile body in the prior art with and preparation method thereof the technological deficiency that exists, provide a kind of Prefabricated Reinforced Concrete Square Pile, and a kind of preparation method of Prefabricated Reinforced Concrete Square Pile.
Its technical solution is:
A kind of Prefabricated Reinforced Concrete Square Pile comprises reinforcing cage, pile top assembly, stake end net sheet and high-strength concrete; The main muscle of reinforcing cage adopts the HRB400 reinforcing bar, and reinforcing cage is slided to weld by the stirrup curl by main muscle and makes, and its section is square; Above-mentioned stake end net sheet, reinforcing cage, pile top assembly form whole skeleton, and whole skeleton and high-strength concrete are formed whole solid pile body, and whole solid pile body is comprised of stake main paragraph and pile top section, and the section of stake main paragraph is positive square, pile top Duan Weifang taper.
Above-mentioned reinforcing cage is made by the stirrup roll welding of sliding in the shape of a spiral by 8 main muscle.
The thickness of being built formed reinforcement cover by above-mentioned high-strength concrete is 45～60mm.
Above-mentioned pile top assembly comprises pile top steel plate and five piles point dowel, and pile top dowel centered by the pile point dowel wherein is positioned at the center of pile top section, and all the other four piles point dowels are avris pile top dowel, are to be formed by the main muscle bending that is positioned at four jiaos of reinforcing cages; Above-mentioned pile top steel plate one end is connected with pile top center dowel full weld, is welded with parallels or short muscle between the other end and avris pile top dowel, and avris pile top dowel is wound with stirrup outward.
Above-mentioned avris pile top dowel is to use hydraulic machinery will be positioned at a bending and molding of main muscle of four jiaos of reinforcing cages.
Four corners of above-mentioned stake main paragraph are chamfering, and chamfering is of a size of 10～30mm, or 10 * 45 °～30 * 45 °.
The side surface of above-mentioned whole solid pile body is provided with the concrete hemispherical protuberances every certain design pitch.
A kind of preparation method of above-mentioned Prefabricated Reinforced Concrete Square Pile comprises the steps:
The a materials are prepared, and according to the size of required processing square pile, process not stake end net sheet, the pile top steel plate of concreting, and main muscle is prepared in pile top steel plate and the welding of center pile top dowel;
B adopts sliding welding machine, prepares reinforcing cage with the method for welding of sliding, and then enters step c;
C places stake end net sheet and is connected with stirrup by colligation or welding manner, and the main muscle that bending pile top end bar cage is four jiaos forms the dowel of pile top, places the pile top steel plate, and is connected with main muscle by welding manner; Make thus the whole skeleton of square pile;
D prepare to be used for makes the mould of square pile, and on mould separant coating, above-mentioned whole skeleton is contained on the mould, then enter step e;
E prepares high performance concrete, is poured in the mould, and shakes tamping; Then enter step f;
F obtains whole solid pile body after adopting natural curing or stream curing.
The present invention has following useful technique effect:
Among the present invention, stake is joined reinforcing cage and is adopted mechanical roll welding moulding, can save the stirrup consumption, and technique is advanced, and is easy to operate, reliable in quality, and production efficiency is high.In addition, adopt high-strength concrete to build, can improve the bulk strength of stake.
Description of drawings
Below in conjunction with accompanying drawing and the specific embodiment the present invention is illustrated further:
Fig. 1 is the structural principle schematic diagram of a kind of embodiment of Prefabricated Reinforced Concrete Square Pile among the present invention.
Fig. 2 is the A-A sectional structure principle schematic of Fig. 1.
The main muscle of 1. reinforcing cages among the figure, the 2. stirrup of reinforcing cage, a 3. end net sheet, 4. reinforcement cover, 5. pile top center dowel, 6. the pile top steel plate is 7. lacked muscle or parallels.
The specific embodiment
In conjunction with Fig. 1 and Fig. 2, a kind of Prefabricated Reinforced Concrete Square Pile comprises reinforcing cage, pile top assembly, stake end net sheet and high-strength concrete.The main muscle 1 of reinforcing cage adopts the HRB400 reinforcing bar, and reinforcing cage is slided to weld by stirrup 2 curls by main muscle 1 and makes, and the section of reinforcing cage (structure) is square.Above-mentioned stake end net sheet 3, reinforcing cage, pile top assembly form whole skeleton, and whole skeleton and high-strength concrete are formed whole solid pile body, and whole solid pile body is comprised of stake main paragraph and pile top section, and the section of stake main paragraph is positive square, pile top Duan Weifang taper.
Preferably, above-mentioned reinforcing cage is made by the stirrup roll welding of sliding in the shape of a spiral by 8 main muscle.
The thickness of preferably, building formed reinforcement cover 4 by above-mentioned high-strength concrete can be 45～60mm.As to select label be the C60 concrete.
Preferably, above-mentioned pile top assembly comprises five piles points dowel, and pile top dowel 5 centered by the pile point dowel wherein is positioned at the center of pile top section, and all the other four piles point dowels are avris pile top dowel, are to be formed by the main muscle bending that is positioned at four jiaos of reinforcing cages.The pile top assembly also comprises pile top steel plate 6, and pile top steel plate one end is connected with pile top center dowel full weld, is welded with parallels or short muscle 7 between the other end and avris pile top dowel, and avris pile top dowel is wound with stirrup outward; Four avris pile top dowels are to use hydraulic machinery will be positioned at a bending and molding of main muscle of four jiaos of reinforcing cages.
Preferably, four corners of above-mentioned stake main paragraph are chamfering, and chamfering is of a size of 10～30mm, or 10 * 45 °～30 * 45 °.
Preferably, the side surface of above-mentioned whole solid pile body is provided with the concrete hemispherical protuberances every certain design pitch.When square pile is used as Piles for Friction Piles, can increase pile body frictional force in soil.
A kind of preparation method of above-mentioned Prefabricated Reinforced Concrete Square Pile is characterized in that comprising the steps:
The a materials are prepared, and according to the size of required processing square pile, process not stake end net sheet, the pile top steel plate of concreting, and main muscle is prepared in pile top steel plate and the welding of center pile top dowel;
B adopts sliding welding machine, prepares reinforcing cage with the method for welding of sliding, and then enters step c;
C places stake end net sheet and is connected with stirrup by colligation or welding manner, and the main muscle that bending pile top end bar cage is four jiaos forms the dowel of pile top, places the pile top steel plate, and is connected with main muscle by welding manner; Make thus the whole skeleton of square pile;
D prepare to be used for makes the mould of square pile, and on mould separant coating, the whole skeleton of square pile is contained on the mould, then enter step e;
E prepares high performance concrete, is poured in the mould, and shakes tamping; Then enter step f;
F obtains whole solid square pile after adopting natural curing or stream curing.
The relevant technologies content of not addressing in the aforesaid way is taked or is used for reference prior art and can realize.
Need to prove that those skilled in the art can also make such or such easy variation pattern under the instruction of this manual, such as equivalent way, or obvious mode of texturing.Above-mentioned variation pattern all should be within protection scope of the present invention.
Claims (8)
1. a Prefabricated Reinforced Concrete Square Pile is characterized in that comprising reinforcing cage, pile top assembly, stake end net sheet and high-strength concrete; The main muscle of reinforcing cage adopts the HRB400 reinforcing bar, and reinforcing cage is slided to weld by the stirrup curl by main muscle and makes, and its section is square; Above-mentioned stake end net sheet, reinforcing cage, pile top assembly form whole skeleton, and whole skeleton and high-strength concrete are formed whole solid pile body, and whole solid pile body is comprised of stake main paragraph and pile top section, and the section of stake main paragraph is positive square, pile top Duan Weifang taper.
2. a kind of Prefabricated Reinforced Concrete Square Pile according to claim 1 is characterized in that: above-mentioned reinforcing cage is made by the stirrup roll welding of sliding in the shape of a spiral by 8 main muscle.
3. a kind of Prefabricated Reinforced Concrete Square Pile according to claim 1, it is characterized in that: the thickness of being built formed reinforcement cover by above-mentioned high-strength concrete is 45～60mm.
4. a kind of Prefabricated Reinforced Concrete Square Pile according to claim 1, it is characterized in that: above-mentioned pile top assembly comprises pile top steel plate and five piles point dowel, pile top dowel centered by the pile point dowel wherein, be positioned at the center of pile top section, all the other four piles point dowels are avris pile top dowel, are to be formed by the main muscle bending that is positioned at four jiaos of reinforcing cages; Above-mentioned pile top steel plate one end is connected with pile top center dowel full weld, is welded with parallels or short muscle between the other end and avris pile top dowel, and avris pile top dowel is wound with stirrup outward.
5. a kind of Prefabricated Reinforced Concrete Square Pile according to claim 4 is characterized in that: above-mentioned avris pile top dowel is to use hydraulic machinery will be positioned at a bending and molding of main muscle of four jiaos of reinforcing cages.
6. a kind of Prefabricated Reinforced Concrete Square Pile according to claim 1 is characterized in that: four corners of above-mentioned stake main paragraph are chamfering, and chamfering is of a size of 10～30mm, or 10 * 45 °～30 * 45 °.
7. a kind of Prefabricated Reinforced Concrete Square Pile according to claim 1, it is characterized in that: the side surface of above-mentioned whole solid pile body is provided with the concrete hemispherical protuberances every certain design pitch.
8. the preparation method of a Prefabricated Reinforced Concrete Square Pile as claimed in claim 1 comprises the steps:
The a materials are prepared, and according to the size of required processing square pile, process not stake end net sheet, the pile top steel plate of concreting, and main muscle is prepared in pile top steel plate and the welding of center pile top dowel;
B adopts sliding welding machine, prepares reinforcing cage with the method for welding of sliding, and then enters step c;
C places stake end net sheet and is connected with stirrup by colligation or welding manner, and the main muscle that bending pile top end bar cage is four jiaos forms the dowel of pile top, places the pile top steel plate, and is connected with main muscle by welding manner; Make thus the whole skeleton of square pile;
D prepare to be used for makes the mould of square pile, and on mould separant coating, above-mentioned whole skeleton is contained on the mould, then enter step e;
E prepares high performance concrete, is poured in the mould, and shakes tamping; Then enter step f;
F obtains whole solid pile body after adopting natural curing or stream curing.
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| CN 201210550070 CN102995629B (en) | 2012-12-17 | 2012-12-17 | Precast reinforced concrete square pile and manufacturing method thereof |
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| CN 201210550070 CN102995629B (en) | 2012-12-17 | 2012-12-17 | Precast reinforced concrete square pile and manufacturing method thereof |
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| CN102995629A true CN102995629A (en) | 2013-03-27 |
| CN102995629B CN102995629B (en) | 2013-09-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652430A (en) * | 2014-12-30 | 2015-05-27 | 青岛昊河水泥制品有限责任公司 | Composite reinforcement partially prestressed concrete solid square pile and manufacturing method thereof |
| CN104821118A (en) * | 2015-06-03 | 2015-08-05 | 国网冀北电力有限公司唐山供电公司 | Teaching and training method for using of theodolite, and specialized theodolite stake |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB715719A (en) * | 1952-08-18 | 1954-09-22 | Stent Precast Concrete Ltd | Improvements in prestressed concrete piles |
| CN101942832A (en) * | 2010-06-07 | 2011-01-12 | 大连大金马基础建设有限公司 | Full prestressed concrete integrated root solid square pile with steel pile tip and manufacturing method thereof |
| CN201915400U (en) * | 2010-12-24 | 2011-08-03 | 上海中技桩业股份有限公司 | Prestressed solid square pile |
| CN102226339A (en) * | 2011-03-23 | 2011-10-26 | 周晓伟 | Prefabricated high-strength steel fiber reinforced concrete quadrate pile |
-
2012
- 2012-12-17 CN CN 201210550070 patent/CN102995629B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB715719A (en) * | 1952-08-18 | 1954-09-22 | Stent Precast Concrete Ltd | Improvements in prestressed concrete piles |
| CN101942832A (en) * | 2010-06-07 | 2011-01-12 | 大连大金马基础建设有限公司 | Full prestressed concrete integrated root solid square pile with steel pile tip and manufacturing method thereof |
| CN201915400U (en) * | 2010-12-24 | 2011-08-03 | 上海中技桩业股份有限公司 | Prestressed solid square pile |
| CN102226339A (en) * | 2011-03-23 | 2011-10-26 | 周晓伟 | Prefabricated high-strength steel fiber reinforced concrete quadrate pile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652430A (en) * | 2014-12-30 | 2015-05-27 | 青岛昊河水泥制品有限责任公司 | Composite reinforcement partially prestressed concrete solid square pile and manufacturing method thereof |
| CN104821118A (en) * | 2015-06-03 | 2015-08-05 | 国网冀北电力有限公司唐山供电公司 | Teaching and training method for using of theodolite, and specialized theodolite stake |
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| Publication number | Publication date |
|---|---|
| CN102995629B (en) | 2013-09-18 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Precast reinforced concrete square pile and manufacturing method thereof Effective date of registration: 20140508 Granted publication date: 20130918 Pledgee: Qingdao Huitong Chinese financing Company limited by guarantee Pledgor: Qingdao Haohe Concrete Products Co., Ltd. Registration number: 2014990000338 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Chuanbo Inventor after: Yan Qingzhi Inventor after: Chen Haiyang Inventor after: He Fei Inventor after: Zhang Zhaoyu Inventor after: Xu Fei Inventor after: Sun Xiang Inventor after: Wang Fengmin Inventor before: Yan Qingzhi Inventor before: Wang Chuanbo Inventor before: Chen Haiyang Inventor before: He Fei Inventor before: Zhang Zhaoyu Inventor before: Xu Fei Inventor before: Sun Xiang Inventor before: Wang Fengmin |
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Free format text: CORRECT: INVENTOR; FROM: YAN QINGZHI WANG CHUANBO CHEN HAIYANG HE FEI ZHANG ZHAOYU XU FEI SUN XIANGWANG FENGMIN TO: WANG CHUANBO YAN QINGZHI CHEN HAIYANG HE FEI ZHANG ZHAOYU XU FEI SUN XIANG WANG FENGMIN |
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Date of cancellation: 20150728 Granted publication date: 20130918 Pledgee: Qingdao Huitong Chinese financing Company limited by guarantee Pledgor: Qingdao Haohe Concrete Products Co., Ltd. Registration number: 2014990000338 |
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