CN102995629B - Precast reinforced concrete square pile and manufacturing method thereof - Google Patents

Precast reinforced concrete square pile and manufacturing method thereof Download PDF

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Publication number
CN102995629B
CN102995629B CN 201210550070 CN201210550070A CN102995629B CN 102995629 B CN102995629 B CN 102995629B CN 201210550070 CN201210550070 CN 201210550070 CN 201210550070 A CN201210550070 A CN 201210550070A CN 102995629 B CN102995629 B CN 102995629B
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stake
pile
sharp
dowel
mentioned
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CN102995629A (en
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颜庆智
王传波
陈海阳
何飞
张照玉
徐飞
孙翔
王风民
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QINGDAO HAOHE CONCRETE PRODUCTS CO Ltd
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QINGDAO HAOHE CONCRETE PRODUCTS CO Ltd
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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

Prefabricated Reinforced Concrete Square Pile and preparation method thereof
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 existing pile foundation basic engineering, 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 reinforcing cage is made and wasted time and energy, and labour intensity is big, 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, the sharp assembly of stake, 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, the sharp assembly of stake are formed whole skeleton, and whole skeleton and high-strength concrete are formed whole solid pile body, and whole solid pile body is made up of stake main paragraph and stake apical segment, and the section of stake main paragraph is positive square, the stake apical segment side of being taper.
Above-mentioned reinforcing cage by 8 main muscle by stirrup in the shape of a spiral shape slip roll welding make.
The thickness of being built formed reinforcement cover by above-mentioned high-strength concrete is 45~60mm.
The sharp assembly of above-mentioned stake comprises the sharp steel plate of stake and five piles point dowel, and the sharp dowel of stake centered by the pile point dowel wherein is positioned at the center of an apical segment, and all the other four piles point dowels are the sharp dowel of avris stake, are to be formed by the main muscle bending that is positioned at four jiaos of reinforcing cages; Sharp steel plate one end of above-mentioned stake is connected with the sharp center of stake dowel full weld, is welded with parallels or short muscle between the other end and avris stake point dowel, and avris stake point dowel is wound with stirrup outward.
Above-mentioned avris stake point 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 side stake, process not stake end net sheet, the sharp steel plate of stake of concreting, and main muscle is prepared in the sharp steel plate of stake and the welding of Center stake point dowel;
B adopts sliding welding machine, prepares reinforcing cage with the method for welding of sliding, and enters step c then;
C places stake end net sheet and is connected with stirrup by colligation or welding manner, and the main muscle that the most advanced and sophisticated reinforcing cage of bending stake is four jiaos forms the dowel of stake point, places the sharp steel plate of stake, and is connected with main muscle by welding manner; The whole skeleton of the side of making stake thus;
D prepare to be used for the mould of the side of makinging, and on mould separant coating, above-mentioned whole skeleton is contained on the mould, enter step e then;
E prepares high performance concrete, is poured in the mould, and shakes tamping; Enter step f then;
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 technology advanced person is easy to operate, reliable in quality, production efficiency height.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, a 5. sharp center dowel, 6. a sharp 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, the sharp assembly of stake, 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, the sharp assembly of stake are formed whole skeleton, and whole skeleton and high-strength concrete are formed whole solid pile body, and whole solid pile body is made up of stake main paragraph and stake apical segment, and the section of stake main paragraph is positive square, the stake apical segment side of being taper.
Preferably, above-mentioned reinforcing cage by 8 main muscle by stirrup in the shape of a spiral shape slip roll welding make.
Preferably, the thickness of building formed reinforcement cover 4 by above-mentioned high-strength concrete can be 45~60mm.As to select label for use be the C60 concrete.
Preferably, the sharp assembly of above-mentioned stake comprises five piles point dowel, and the sharp dowel 5 of stake centered by the pile point dowel wherein is positioned at the center of an apical segment, and all the other four piles point dowels are avris stake point dowel, are to be formed by the main muscle bending that is positioned at four jiaos of reinforcing cages.The sharp assembly of stake also comprises the sharp steel plate 6 of stake, and sharp steel plate one end of stake is connected with the sharp center of stake dowel full weld, is welded with parallels or short muscle 7 between the other end and avris stake point dowel, and avris stake point dowel is wound with stirrup outward; Four avris stakes point dowel is 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 side's stake 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 side stake, process not stake end net sheet, the sharp steel plate of stake of concreting, and main muscle is prepared in the sharp steel plate of stake and the welding of Center stake point dowel;
B adopts sliding welding machine, prepares reinforcing cage with the method for welding of sliding, and enters step c then;
C places stake end net sheet and is connected with stirrup by colligation or welding manner, and the main muscle that the most advanced and sophisticated reinforcing cage of bending stake is four jiaos forms the dowel of stake point, places the sharp steel plate of stake, and is connected with main muscle by welding manner; The whole skeleton of the side of making stake thus;
D prepare to be used for the mould of makings side stake, and on mould separant coating, square whole skeleton is contained on the mould, enter step e then;
E prepares high performance concrete, is poured in the mould, and shakes tamping; Enter step f then;
F obtains whole solid side's stake 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 (2)

1. a Prefabricated Reinforced Concrete Square Pile is characterized in that comprising reinforcing cage, the sharp assembly of stake, 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, the sharp assembly of stake are formed whole skeleton, and whole skeleton and high-strength concrete are formed whole solid pile body, and whole solid pile body is made up of stake main paragraph and stake apical segment, and the section of stake main paragraph is positive square, the stake apical segment side of being taper; Above-mentioned reinforcing cage by 8 main muscle by stirrup in the shape of a spiral shape slip roll welding make; The thickness of being built formed reinforcement cover by above-mentioned high-strength concrete is 45~60mm; The sharp assembly of above-mentioned stake comprises the sharp steel plate of stake and five piles point dowel, and the sharp dowel of stake centered by the pile point dowel wherein is positioned at the center of an apical segment, and all the other four piles point dowels are the sharp dowel of avris stake, are to be formed by the main muscle bending that is positioned at four jiaos of reinforcing cages; Sharp steel plate one end of above-mentioned stake is connected with the sharp center of stake dowel full weld, is welded with parallels or short muscle between the other end and avris stake point dowel, and avris stake point dowel is wound with stirrup outward; Above-mentioned avris stake point 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 * 45 °~30 * 45 °; The side surface of above-mentioned whole solid pile body is provided with the concrete hemispherical protuberances every certain design pitch.
2. 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 side stake, process not stake end net sheet, the sharp steel plate of stake of concreting, and main muscle is prepared in the sharp steel plate of stake and the welding of Center stake point dowel;
B adopts sliding welding machine, prepares reinforcing cage with the method for welding of sliding, and enters step c then;
C places stake end net sheet and is connected with stirrup by colligation or welding manner, and the main muscle that the most advanced and sophisticated reinforcing cage of bending stake is four jiaos forms the dowel of stake point, places the sharp steel plate of stake, and is connected with main muscle by welding manner; The whole skeleton of the side of making stake thus;
D prepare to be used for the mould of the side of makinging, and on mould separant coating, above-mentioned whole skeleton is contained on the mould, enter step e then;
E prepares high performance concrete, is poured in the mould, and shakes tamping; Enter step f then;
F obtains whole solid pile body after adopting natural curing or stream curing.
CN 201210550070 2012-12-17 2012-12-17 Precast reinforced concrete square pile and manufacturing method thereof Active CN102995629B (en)

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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
CN104821118B (en) * 2015-06-03 2017-02-22 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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* Cited by examiner, † Cited by third party
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
CN101942832B (en) * 2010-06-07 2012-07-18 大连大金马基础建设有限公司 Full prestressed concrete integral solid square pile with steel pile tip and manufacturing method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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Denomination of invention: Precast reinforced concrete square pile and manufacturing method thereof

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Pledgee: Qingdao Huitong Chinese financing Company limited by guarantee

Pledgor: Qingdao Haohe Concrete Products Co., Ltd.

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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

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