CN212200393U - Hollow concrete pile - Google Patents
Hollow concrete pile Download PDFInfo
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- CN212200393U CN212200393U CN202020319515.9U CN202020319515U CN212200393U CN 212200393 U CN212200393 U CN 212200393U CN 202020319515 U CN202020319515 U CN 202020319515U CN 212200393 U CN212200393 U CN 212200393U
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- pile
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Abstract
The utility model discloses a hollow concrete pile. A hollow concrete pile comprising: the pile comprises a pile body, a pile body and a pile body, wherein the surface of the pile body is provided with a plurality of grooves, and the grooves are respectively arranged along the length direction of the pile body; the through hole penetrates through the pile body; the steel reinforcement cage, the steel reinforcement cage is inlayed in the pile body, and the steel reinforcement cage includes a plurality of first reinforcing bars and a plurality of second reinforcing bar, and the second reinforcing bar is the spiral, and each first reinforcing bar intersects and nodical quantity is at least two with the second reinforcing bar respectively, and the second reinforcing bar centers on around the through-hole, and each first reinforcing bar is arranged respectively around the through-hole. Has the advantages that: the through holes of the grooves can reduce the dead weight of the pile body, thereby being beneficial to saving materials and being convenient for transportation; the first steel bars and the second steel bars are intersected to form a steel bar cage, so that the structural stability of the steel bar cage is enhanced, and the structural strength of the pile body can be enhanced. The utility model relates to a building material.
Description
Technical Field
The utility model relates to a building material, in particular to hollow concrete pile.
Background
Pipe piles and cross piles are commonly used in the field of foundation and foundation engineering materials.
The inside of cross stake is solid structure usually, and the arrangement of reinforcement is a lot of, and technical defect lies in: the weight is large, and the transportation and the construction are inconvenient.
The inside of tubular pile is hollow structure to be favorable to reducing weight, technical defect lies in: the mechanical property is weaker, and the method can only be used in engineering fields with relatively lower mechanical requirements, such as temporary foundation treatment and the like, so that the universality of the pipe pile is poorer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a hollow concrete pile that mechanical properties is good and weight is lighter.
The technical scheme adopted for solving the technical problems is as follows:
a hollow concrete pile comprising:
the pile comprises a pile body, a pile body and a pile body, wherein the surface of the pile body is provided with a plurality of grooves, and the grooves are respectively arranged along the length direction of the pile body;
the through hole penetrates through the pile body;
the steel reinforcement cage, the steel reinforcement cage is inlayed in the pile body, and the steel reinforcement cage includes a plurality of first reinforcing bars and a plurality of second reinforcing bar, and the second reinforcing bar is the spiral, and each first reinforcing bar intersects and nodical quantity is at least two with the second reinforcing bar respectively, and the second reinforcing bar centers on around the through-hole, and each first reinforcing bar is arranged respectively around the through-hole.
The hollow concrete pile at least has the following beneficial effects:
the through holes of the grooves can reduce the dead weight of the pile body, thereby being beneficial to saving materials and being convenient for transportation; the first steel bars and the second steel bars are intersected to form a steel bar cage, so that the structural stability of the steel bar cage is enhanced, and the structural strength of the pile body can be enhanced.
In a possible embodiment of the invention, the cross-sectional shape of the through-hole is circular. The cross section of the through hole is circular, so that the through hole can be manufactured by a centrifugal method, and the structural strength of the hollow concrete pile is enhanced.
In a possible embodiment of the present invention, the number of the grooves is four, the four grooves are parallel to each other, and the four grooves are uniformly distributed around the pile body. The grooves are uniformly distributed around the pile body, so that the cross section of the pile body is cross-shaped, the self weight of the pile body is favorably reduced, and the pile body keeps good structural strength.
In a possible embodiment of the invention, the cross-sectional shape of the groove is a right angle. The cross section of the groove is right-angled, so that the groove is easy to form, and the manufacturing difficulty of the pile body is favorably reduced.
In a possible embodiment of the present invention, a chamfer is provided at the intersection of two inner side surfaces of the groove, and the chamfer is an inclined surface or a cambered surface. The chamfer angle makes the pile body easy to demould, and is beneficial to improving the manufacturing efficiency of the pile body.
In a possible embodiment of the present invention, the two ends of the first steel bar are respectively provided with an upset head, the upset head is arranged on the end face of the pile body, and the radial dimension of the upset head is greater than the first steel bar. The upset head makes the first reinforcing bar can be taut in the pile body, is favorable to strengthening the structural stability of first reinforcing bar to the reliability of reinforcing pile body.
In a possible embodiment of the invention, each first reinforcement is circumferentially equispaced around the helix axis of the second reinforcement. First reinforcing bar centers on the helix axis circumference equipartition of second reinforcing bar, can make the steel reinforcement cage all have good structural stability on all directions, is favorable to strengthening the structural strength of hollow concrete pile.
In a possible embodiment of the present invention, the projection shape of the second steel bar on the end face of the pile body is a circle. The projection shape of the second reinforcing steel bar on the end face of the pile body is circular, so that the second reinforcing steel bar can be uniformly distributed around the through hole, and the structural strength of the hollow concrete pile is improved.
In a possible embodiment of the present invention, the projection shape of the second steel bar on the end face of the pile body is an octagon. The projection shape of the second reinforcing steel bars on the end face of the pile body is octagonal, so that the second reinforcing steel bars can be uniformly distributed around each groove and chamfer, and the structural strength of the hollow concrete pile is improved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a reinforcement cage according to embodiment 1 of the present invention;
fig. 2 is a schematic cross-sectional view of a hollow concrete pile according to embodiment 1 of the present invention;
fig. 3 is a schematic cross-sectional view of a hollow concrete pile according to embodiment 2 of the present invention;
reference numerals:
pile body 1, recess 2, through-hole 3, first reinforcing bar 4, second reinforcing bar 5, chamfer 6, upset 7.
Detailed Description
Example 1:
this section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 2, a hollow concrete pile includes:
the pile comprises a pile body 1, wherein the surface of the pile body 1 is provided with a plurality of grooves 2, and the grooves 2 are respectively arranged along the length direction of the pile body 1;
the through hole 3 penetrates through the pile body 1;
the steel reinforcement cage, the steel reinforcement cage is inlayed in pile body 1, and the steel reinforcement cage includes a plurality of first reinforcing bars 4 and a plurality of second reinforcing bar 5, and second reinforcing bar 5 is the spiral, and each first reinforcing bar 4 intersects and nodical quantity is two at least with second reinforcing bar 5 respectively, and second reinforcing bar 5 centers on around through-hole 3, and each first reinforcing bar 4 arranges respectively around through-hole 3.
The hollow concrete pile at least has the following beneficial effects:
the through holes 3 of the groove 2 can reduce the dead weight of the pile body 1, thereby being beneficial to saving materials and being convenient for transportation; the first reinforcing steel bars 4 and the second reinforcing steel bars 5 are intersected to form a reinforcing steel bar cage, so that the structural stability of the reinforcing steel bar cage is enhanced, and the structural strength of the pile body 1 can be enhanced.
In the present embodiment, the cross-sectional shape of the through-hole 3 is circular. The cross-sectional shape of the through-hole 3 is circular, so that the through-hole 3 can be manufactured by a centrifugal method, which is beneficial to enhancing the structural strength of the hollow concrete pile.
The centrifugal method is a method for forming the pile body 1. The manufacturing process of the hollow concrete pile of the embodiment includes: firstly, proportionally blanking and uniformly stirring concrete for later use, and simultaneously performing sleeve penetrating, heading 7 and roll welding treatment on the first reinforcing steel bar 4 in a cage workshop, wherein the first reinforcing steel bar 4 is subjected to prestress treatment and the roll welding treatment to mutually fix the first reinforcing steel bar 4 and the second reinforcing steel bar 5 so as to form a reinforcing steel bar cage; after the reinforcing cage is formed, putting the reinforcing cage into a steel mould for tensioning prestress, and then distributing concrete; then the steel die is subjected to die filling and die covering, and then the steel die is put into a centrifuge for centrifugal treatment, so that the through hole 3 with a circular section is naturally formed. After the centrifugal treatment, steam curing is carried out on the hollow concrete pile, then expansion and demolding are carried out, the hollow concrete pile is placed into a high-pressure kettle for pressure steam curing, and finally quality inspection is carried out.
In this embodiment, the number of the grooves 2 is four, the four grooves 2 are parallel to each other, and the four grooves 2 are uniformly distributed around the pile body 1. The grooves 2 are uniformly distributed around the pile body 1, so that the cross section of the pile body 1 is cross-shaped, the self weight of the pile body 1 is favorably reduced, and the pile body 1 keeps good structural strength.
The cross-sectional shape of the pile 1 is a cross shape, and the cross shape means that four corners of a rectangle are recessed on the basis of the rectangle, so that the cross-sectional shape of the pile 1 is a cross shape as shown in fig. 2.
In the present embodiment, the sectional shape of the groove 2 is a right angle. The cross section of the groove 2 is right-angled, so that the groove 2 is easy to form, and the manufacturing difficulty of the pile body 1 is reduced.
With respect to the groove 2, the sectional shape of the groove 2 is a right angle, which means that the included angle between the two inner side surfaces of the groove 2 is 90 °.
In this embodiment, a chamfer 6 is provided at the intersection of two inner side surfaces of the groove 2, and the chamfer 6 is an inclined surface or an arc surface. Chamfer 6 makes pile body 1 easy to demould, which is beneficial to improving the manufacturing efficiency of pile body 1.
With respect to chamfer 6, chamfer 6 refers to the intersection of the two inner sides of pile body 1. Chamfer 6 is beveled meaning that the surface of chamfer 6 is planar and the surface of chamfer 6 is inclined to the inner side of groove 2 as shown in fig. 2. The chamfer 6 is an arc surface, which means that the surface of the chamfer 6 has an arc surface shape.
In this embodiment, two ends of the first steel bar 4 are respectively provided with an upset 7, the upset 7 is arranged on the end face of the pile body 1, and the radial dimension of the upset 7 is larger than that of the first steel bar 4. The upset head 7 makes the first steel bar 4 tensioned in the pile body 1, which is beneficial to enhancing the structural stability of the first steel bar 4, thereby enhancing the reliability of the pile body 1.
With respect to the upset 7, the upset 7 is a clamp that can clamp the first rebar 4 from both ends of the first rebar 4, respectively, thereby clamping the first rebar 4.
In this embodiment, the first reinforcing bars 4 are each circumferentially equispaced about the helix axis of the second reinforcing bar 5. First reinforcing bar 4 can make the steel reinforcement cage all have good structural stability on all directions around the helix axis circumference equipartition of second reinforcing bar 5, is favorable to strengthening the structural strength of hollow concrete pile.
As for the first reinforcing bars 4, each first reinforcing bar 4 penetrates the pile body 1 in the longitudinal direction of the pile body 1, and the upsets 7 tension the first reinforcing bars 4 from both ends of the pile body 1, respectively.
In this embodiment, the projection shape of the second reinforcement 5 on the end face of the pile body 1 is a circle. The projection shape of second reinforcing bar 5 at the terminal surface of pile body 1 is circular, makes second reinforcing bar 5 evenly arrange around through-hole 3, is favorable to improving the structural strength of hollow concrete pile.
As for the second reinforcing bars 5, the projection shape of the second reinforcing bars 5 on the end face of the pile body 1 is a circle as shown in fig. 2.
Example 2:
referring to fig. 3, the present embodiment is different from embodiment 1 in that:
in this embodiment, the projection shape of the second reinforcement 5 on the end face of the pile body 1 is an octagon. The projection shape of second reinforcing bar 5 at the terminal surface of pile body 1 is the octagon, makes second reinforcing bar 5 evenly arrange around each recess 2 and chamfer 6, is favorable to improving the structural strength of hollow concrete pile.
Regarding the second reinforcing steel bar 5, the projection shape of the second reinforcing steel bar 5 on the end face of the pile body 1 is an octagon shown in fig. 3, and four chamfers 6 are respectively parallel to four sides of the octagon.
Claims (9)
1. Hollow concrete pile, its characterized in that includes:
the pile comprises a pile body, a pile body and a pile body, wherein the surface of the pile body is provided with a plurality of grooves, and the grooves are respectively arranged along the length direction of the pile body;
the through hole penetrates through the pile body;
the steel reinforcement cage, the steel reinforcement cage is inlayed the stake is internal, the steel reinforcement cage includes a plurality of first reinforcing bars and a plurality of second reinforcing bar, the second reinforcing bar is the spiral, and is individual first reinforcing bar respectively with the crossing and nodical quantity of second reinforcing bar is at least two, the second reinforcing bar centers on around the through-hole, each first reinforcing bar is arranged respectively around the through-hole.
2. The hollow concrete pile of claim 1, wherein: the cross section of the through hole is circular.
3. The hollow concrete pile of claim 1, wherein: the number of the grooves is four, the four grooves are parallel to each other, and the four grooves are uniformly distributed on the periphery of the pile body.
4. The hollow concrete pile of claim 3, wherein: the cross-sectional shape of the groove is a right angle.
5. The hollow concrete pile of claim 4, wherein: and a chamfer is arranged at the intersection of the two inner side surfaces of the groove and is an inclined surface or an arc surface.
6. The hollow concrete pile of claim 1, wherein: and upset heads are respectively arranged at two ends of the first reinforcing steel bar and arranged on the end surface of the pile body, and the radial size of the upset heads is larger than that of the first reinforcing steel bar.
7. The hollow concrete pile of claim 1, wherein: and the first reinforcing steel bars are uniformly distributed around the spiral line axis of the second reinforcing steel bar in the circumferential direction.
8. The hollow concrete pile according to any one of claims 1 to 7, wherein: the projection shape of the second steel bar on the end face of the pile body is circular.
9. The hollow concrete pile according to any one of claims 1 to 7, wherein: the projection shape of the second steel bar on the end face of the pile body is octagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020319515.9U CN212200393U (en) | 2020-03-13 | 2020-03-13 | Hollow concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020319515.9U CN212200393U (en) | 2020-03-13 | 2020-03-13 | Hollow concrete pile |
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| Publication Number | Publication Date |
|---|---|
| CN212200393U true CN212200393U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020319515.9U Active CN212200393U (en) | 2020-03-13 | 2020-03-13 | Hollow concrete pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262544A (en) * | 2022-09-06 | 2022-11-01 | 中铁十一局集团有限公司 | Screw pile formed by synchronously forming concrete reinforcing steel bars and using method |
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2020
- 2020-03-13 CN CN202020319515.9U patent/CN212200393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262544A (en) * | 2022-09-06 | 2022-11-01 | 中铁十一局集团有限公司 | Screw pile formed by synchronously forming concrete reinforcing steel bars and using method |
| CN115262544B (en) * | 2022-09-06 | 2024-03-19 | 中铁十一局集团有限公司 | Screw pile for synchronous forming of concrete reinforcing steel bars and use method |
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