CN215252813U - Asymmetric reinforcement structure of prefabricated fender pile and prefabricated fender pile - Google Patents
Asymmetric reinforcement structure of prefabricated fender pile and prefabricated fender pile Download PDFInfo
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- CN215252813U CN215252813U CN202121608570.0U CN202121608570U CN215252813U CN 215252813 U CN215252813 U CN 215252813U CN 202121608570 U CN202121608570 U CN 202121608570U CN 215252813 U CN215252813 U CN 215252813U
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Abstract
The utility model discloses an asymmetric reinforcement structure of a prefabricated support pile and the prefabricated support pile, wherein the asymmetric reinforcement structure of the prefabricated support pile comprises a pile body and a reinforcement cage; the soil blocking side of the pile body is a tension side and the opposite side is a compression side; the reinforcement cage is placed in the pile body and comprises a plurality of main reinforcements extending along the axial direction of the pile body; the plurality of main reinforcing steel bars comprise a plurality of first main reinforcing steel bars and a plurality of second main reinforcing steel bars, the first main reinforcing steel bars are arranged on the compression side, the second main reinforcing steel bars are arranged on the tension side, and the number of the first main reinforcing steel bars is less than that of the second main reinforcing steel bars. The utility model provides an among the technical scheme, concentrate the configuration with main atress reinforcing bar and draw the side, only dispose the reinforcing bar according to the structure requirement in the pressurized side, this has just effectively reduced the arrangement of reinforcement volume of prefabricated fender pile, and the positive cross-section bending strength of the prefabricated fender pile of make full use of reaches better economic effect.
Description
Technical Field
The utility model relates to a precast concrete pile technical field, in particular to asymmetric arrangement of reinforcement structure and prefabricated fender pile of prefabricated fender pile.
Background
At present, concrete precast piles are more and more commonly applied to engineering supporting projects, in order to meet the requirements of construction processes, precast piles with high rigidity, simple processes and low cost need to be manufactured, and therefore, the parameters of the precast supporting piles, such as size, shape, structure, reinforcing bars and the like need to be improved, so that the precast piles are convenient and easy to use. At present, a steel reinforcement cage of a prefabricated support pile adopts a symmetrical reinforcement mode, and the reinforcement cage adopts the symmetrical reinforcement mode to cause reinforcement waste.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a prefabricated fender pile's asymmetric arrangement of reinforcement structure and prefabricated fender pile, aim at reducing the arrangement of reinforcement volume of prefabricated fender pile.
The utility model provides an asymmetric reinforcement structure of a prefabricated support pile, which comprises a pile body and a reinforcement cage;
the soil blocking side of the pile body is a tension side and the opposite side is a compression side, and the tension side and the compression side are opposite in a first direction;
the reinforcement cage is placed in the pile body and comprises a plurality of main reinforcements extending along the axial direction of the pile body;
the plurality of main reinforcing steel bars comprise a plurality of first main reinforcing steel bars and a plurality of second main reinforcing steel bars, the first main reinforcing steel bars are arranged on the compression side, the second main reinforcing steel bars are arranged on the tension side, and the number of the first main reinforcing steel bars is less than that of the second main reinforcing steel bars.
Optionally, the first main reinforcing steel bar is a prestressed twisted steel bar, and the plurality of second main reinforcing steel bars include a prestressed twisted steel bar and a steel strand.
Optionally, the number of prestressed rebar of the second plurality of primary rebars is equal to the number of first primary rebars.
Optionally, one steel strand is arranged between any two adjacent prestressed twisted steel bars in the second main steel bars.
Optionally, the first main steel bar is a prestressed tendon, and the plurality of second main steel bars include prestressed tendons and steel strands equal to the first main steel bar in number.
Optionally, the steel strand is a prestressed steel strand or a non-prestressed steel strand.
Optionally, the cross-sectional shape of the pile body is a rectangle, a plurality of the first main reinforcements are arranged at intervals along a second direction, a plurality of the second main reinforcements are arranged at intervals along the second direction, the second direction is perpendicular to the first direction, and both the second direction and the first direction are side lengths of the rectangle.
Optionally, the shaft is formed with a first side and a second side opposite in the second direction;
the number of the main reinforcing steel bars close to the first side is equal to the number of the main reinforcing steel bars close to the second side.
Optionally, the reinforcement cage further includes a spiral rib, and the spiral rib is wound around the peripheries of the plurality of main reinforcements.
The utility model also provides a prefabricated fender pile, including the asymmetric arrangement of reinforcement structure of prefabricated fender pile as introduced above.
The utility model provides an among the technical scheme, concentrate the configuration with main atress reinforcing bar and draw the side, only dispose the reinforcing bar according to the structure requirement in the pressurized side, this has just effectively reduced the arrangement of reinforcement volume of prefabricated fender pile, and the positive cross-section bending strength of the prefabricated fender pile of make full use of reaches better economic effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a prefabricated support pile provided by the present invention;
FIG. 2 is a schematic structural view of the pile body in FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 at the end plate;
fig. 4 is a partial structural view of the prefabricated support pile in fig. 1;
FIG. 5 is a schematic view of the structure of FIG. 4 at the first anchor pad;
FIG. 6 is a schematic view of the structure of FIG. 4 at a second anchor pad;
the reference numbers illustrate: the prefabricated support pile comprises a prefabricated support pile 100, a pile body 1, a compression side 11, a tension side 12, a first through hole 13, a second through hole 14, an embedded lifting hole 15, a reinforcement cage 2, a first main reinforcement 21a, a second main reinforcement 21b, a prestressed twisted steel 211, a steel strand 212, a third main reinforcement 21c, a fourth main reinforcement 21d, a hook rib 22, a spiral rib 23, an end plate 3, a first combined connecting hole 31, a first screw tensioning hole 311, a first rib passing groove 312, a first rib sinking hole 313, a second combined connecting hole 32, a second rib passing groove 321, a second rib sinking hole 322, a third combined connecting hole 33, a second screw tensioning hole 331, a third rib passing groove 332, a third rib sinking hole 333, a through hole 34, an anchor plate 4, a first anchor plate 4a, a second anchor plate 4b, a first pull anchor 5a and a second pull anchor 5 b.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a prefabricated support pile, which comprises an asymmetric reinforcement structure of the prefabricated support pile, as shown in figures 1 and 2, the asymmetric reinforcement structure of the prefabricated support pile comprises a pile body 1 and a reinforcement cage 2; the soil blocking side of the pile body 1 is a pressure side 11 and the opposite side is a tension side 12, and the pressure side 11 and the tension side 12 are opposite in a first direction; the reinforcement cage 2 is placed in the pile body 1, and the reinforcement cage 2 comprises a plurality of main reinforcements extending along the axial direction of the pile body 1; the plurality of main reinforcing bars includes a plurality of first main reinforcing bars 21a and a plurality of second main reinforcing bars 21b, the first main reinforcing bars 21a are arranged at the compression side 11, the second main reinforcing bars 21b are arranged at the tension side 12, and the number of the first main reinforcing bars 21a is less than that of the second main reinforcing bars 21 b.
The utility model provides an among the technical scheme, concentrate the configuration with main atress reinforcing bar and draw side 12, only dispose the reinforcing bar according to the structure requirement in pressurized side 11, this has just effectively reduced prefabricated fender pile 100's arrangement of reinforcement volume, and the positive section bending strength of make full use of prefabricated fender pile 100 reaches better economic effect.
Specifically, as shown in fig. 1 to 3, in the present embodiment, the cross-sectional shape of the pile body 1 is a rectangle, a plurality of first main reinforcements 21a are arranged at intervals along a second direction, and a plurality of second main reinforcements 21b are arranged at intervals along the second direction, wherein the second direction is perpendicular to the first direction, and the second direction and the first direction are both side length directions of the rectangle.
Specifically, in the present embodiment, the first main reinforcing bars 21a are tendons, and the plurality of second main reinforcing bars 21b include tendons and strands 212 equal in number to the first main reinforcing bars 21 a. The tension side 12 is provided with steel strands 212, and the steel strands 212 may be prestressed steel strands or non-prestressed steel strands, so that the horizontal shear resistance of the precast pile 100 can be enhanced.
For example, as shown in fig. 2, in the present embodiment, the first main reinforcement 21a is a prestressed twisted reinforcement 211, and the plurality of second main reinforcements 21b include a prestressed twisted reinforcement 211 and a steel strand 212; and, the number of prestressed twisted steel bars 211 among the plurality of second main bars 21b is equal to the number of first main bars 21 a.
Further, as shown in fig. 2, in the present embodiment, one steel strand 212 is disposed between any two adjacent prestressed twisted steel bars 211 in the plurality of second main steel bars 21 b.
As shown in fig. 2, in the present embodiment, the reinforcement cage 2 further includes a spiral bar 23, and the spiral bar 23 is wound around the peripheries of the plurality of main reinforcements.
As shown in fig. 2, in the present embodiment, shaft 1 is formed with first and second sides opposite in the second direction; the number of the main reinforcing steel bars close to the first side is equal to the number of the main reinforcing steel bars close to the second side.
As shown in fig. 1 to 3, in the present embodiment, the precast support pile 100 further includes an end plate 3 and two anchor plates 4. The pile body 1 is provided with a first through hole 13 and a second through hole 14 in an axial penetrating manner, the first through hole 13 and the second through hole 14 are opposite in a first direction, the first through hole 13 is close to the pressure side 11 relative to the second through hole 14, and the distance from the first through hole 13 to the pressure side 11 is larger than the distance from the second through hole 14 to the tension side 12.
Specifically, the first direction is perpendicular to the axial direction of the pile body 1, for example, as shown in fig. 2, the first through hole 13 and the second through hole 14 are both circular holes, the size of the center of the first through hole 13 and the size of the pressure side 11 in the first direction are larger than the size of the center of the second through hole 14 and the size of the tension side 12 in the first direction, and the pile body 1 is provided with two asymmetric through holes, so that the consumption of concrete materials can be saved while the mechanical requirements are met, the self weight of the prefabricated support pile 100 is reduced, and the technical and economic indexes of the prefabricated support pile are improved. Wherein the aperture of the first through hole 13 and the aperture of the second through hole 14 are generally equal.
As shown in fig. 1 and 2, in the present embodiment, the pile body 1 has a first symmetry axis in the first direction, and the center of the first through hole 13 and the center of the second through hole 14 are both located on the first symmetry axis. That is, the center of the first through hole 13 is opposite to the center of the second through hole 14 in the first direction.
Specifically, as shown in fig. 2, the first through hole 13 and the second through hole 14 are both located between the first main steel bar 21a and the second main steel bar 21b, the plurality of main steel bars includes two third main steel bars 21c, the two third main steel bars 21c are respectively disposed on two sides of the first through hole 13 in the second direction, and the two third main steel bars 21c are both located between the first main steel bar 21a and the first through hole 13; the two third main reinforcing bars 21c are connected by the hooking bar 22.
Similarly, as shown in fig. 2, the plurality of main reinforcing bars includes two fourth main reinforcing bars 21d, the two fourth main reinforcing bars 21d are respectively disposed on two sides of the second through hole 14 in the second direction, and the two fourth main reinforcing bars 21d are both located between the second main reinforcing bar 21b and the second through hole 14; the two fourth main reinforcing bars 21d are connected by the hooking bar 22.
As shown in fig. 1, the end plate 3 connects the end face of the pile body 1 and the corresponding end of the reinforcement cage 2. Specifically, as shown in fig. 1 and 3, in the present embodiment, the end plate 3 is a rectangular plate adapted to the shape of the pile body 1, and the end plate 3 includes a first side portion and a second side portion, the first side portion is close to the compression side 11, and the second side portion is close to the tension side 12; a plurality of first combined connecting holes 31 are formed in the first side part corresponding to the plurality of first main reinforcing steel bars 21a in a penetrating manner, and a plurality of second combined connecting holes 32 are formed in the second side part corresponding to the plurality of second main reinforcing steel bars 21b in a penetrating manner; the first combined connecting hole 31 comprises a first screw tensioning hole 311, a first rib passing groove 312 and a first rib sinking hole 313, the first rib passing groove 312 extends along a first direction, the first screw tensioning hole 311 is communicated with one end, close to the second side portion, of the first rib passing groove 312, the first rib sinking hole 313 is communicated with one end, far away from the second side portion, of the first rib passing groove 312, and the aperture of the first rib sinking hole 313 is smaller than that of the first screw tensioning hole 311; the second combined connecting hole 32 includes a second rib passing groove 321 and a second rib sinking hole 322, the second rib passing groove 321 extends along the first direction, the second rib sinking hole 322 is communicated with one end of the second rib passing groove 321 close to the first side portion, and one end of the second rib passing groove 321 far away from the first side portion penetrates through the second side portion in the first direction.
Specifically, as shown in fig. 3, the end plate 3 is provided with gourd-shaped holes for prestress lacing and tension anchoring, the number of the reserved steel bar holes of the end plate 3 is designed according to the actual prestress and non-prestress reinforcement conditions, the steel bars are pushed into the holes from the reserved holes, and the prestressed steel bars are anchored by pier heads to complete tension. The first sinker hole 313 and the second sinker hole 322 are both semicircular holes.
As shown in fig. 3, in the present embodiment, the end plate 3 includes two third side portions opposite to each other in the second direction, and each third side portion is provided with a plurality of third combined connecting holes 33 arranged at intervals in the first direction; the third combined connecting hole 33 comprises a second screw tensioning hole 331, a third rib passing groove 332 and a third rib sinking hole 333, the third rib passing groove 332 extends along the first direction, the second screw tensioning hole 331 is communicated with one end, close to the second side portion, of the third rib passing groove 332, the third rib sinking hole 333 is communicated with one end, far away from the second side portion, of the third rib passing groove 332, and the aperture of the third rib sinking hole 333 is smaller than that of the second screw tensioning hole 331. Wherein, the third sinker hole 333 is a semicircular hole.
Specifically, as shown in fig. 1 and 3, two third combined connection holes 33 are penetratingly provided at each third side, and the two third combined connection holes 33 correspond to the third main reinforcing bars 21c and the fourth main reinforcing bars 21d, respectively.
As shown in fig. 3, in the present embodiment, the end plate 3 is penetratingly provided with a through hole 34, and the first combination coupling hole 31, the second combination coupling hole 32, and the third combination coupling hole 33 are circumferentially arranged at the periphery of the through hole 34. The through hole 34 may be a rectangular hole, and the first through hole 13 and the second through hole 14 are located inside the through hole 34.
As shown in fig. 1 and 4, in the present embodiment, two anchor plates 4 are respectively disposed on both sides of the pile body 1 in the first direction, and both anchor plates 4 face the side surface of the pile body 1 and are connected to the end plate 3.
Specifically, one of the two anchor plates 4 is a first anchor plate 4a close to the compression side 11, and the other is a second anchor plate 4b close to the tension side 12, and the first anchor plate 4a, the second anchor plate 4b and the end plate 3 are connected to form a whole, so that the damage of the end plate 3 caused by large prestress is reduced. Wherein, the first anchor plate 4a and the second anchor plate 4b can both be rectangular plates. And, the first anchor plate 4a and the second anchor plate 4b are both welded to the end plate 3.
In the present embodiment, the area of the second anchor plate 4b is larger than the area of the first anchor plate 4a, and specifically, as shown in fig. 4 to 6, in the present embodiment, the dimension of the second anchor plate 4b in the second direction is larger than the dimension of the first anchor plate 4a in the second direction. The length of the two anchor plates 4 is set, so that on one hand, materials are saved, and on the other hand, the requirements that the stress of the compression side 11 is different from that of the tension side 12 are met.
As shown in fig. 4 to 6, in the present embodiment, the first anchor plate 4a and the second anchor plate 4b have the same size in the axial direction of the pile body 1.
As shown in fig. 4, in the present embodiment, the first anchor plate 4a and the second anchor plate 4b have inner side faces that are close to each other; the prefabricated support pile 100 further comprises a first pull anchor 5a and a second pull anchor 5b, wherein the first pull anchor 5a and the second pull anchor 5b are arranged along a first direction; one end of the first pull anchor 5a is connected with the inner side surface of the first pull anchor 5a, one end of the second pull anchor 5b is connected with the inner side surface of the second anchor plate 4b, and one end of the second pull anchor 5b, which is far away from the second anchor plate 4b, is hooked with one end of the first pull anchor 5a, which is far away from the first pull anchor 5 a. The anchor is used for tying the anchor plate to improve the integrity and the strength, the end plate 3 and the anchor plate 4 are welded to form a whole, and the anchor plates 4 are connected through the anchor to improve the integrity.
As shown in fig. 4, in the present embodiment, the size of the second tie anchor 5b in the first direction is larger than the size of the first tie anchor 5a in the first direction. The different length of the anchor can form different stress of the anchor, the stress of the long anchor is larger, and the stress of the short anchor is smaller.
As shown in fig. 4, in the present embodiment, the pile body 1 is provided with an embedded lifting hole 15, and the embedded lifting hole 15 is located between the second anchor plate 4b and the first anchor plate 4 a. The pre-buried lifting holes 15 are arranged at two ends of the pile body 1 and used for lifting the prefabricated support pile 100, and belong to a reserved pore channel.
Specifically, as shown in fig. 4, in the present embodiment, the distance from the embedded lifting hole 15 to the second anchor plate 4b is greater than the distance from the embedded lifting hole 15 to the first anchor plate 4 a.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. An asymmetric reinforcement structure of a prefabricated support pile is characterized by comprising a pile body and a reinforcement cage;
the soil blocking side of the pile body is a tension side and the opposite side is a compression side, and the tension side and the compression side are opposite in a first direction;
the reinforcement cage is placed in the pile body and comprises a plurality of main reinforcements extending along the axial direction of the pile body;
the plurality of main reinforcing steel bars comprise a plurality of first main reinforcing steel bars and a plurality of second main reinforcing steel bars, the first main reinforcing steel bars are arranged on the compression side, the second main reinforcing steel bars are arranged on the tension side, and the number of the first main reinforcing steel bars is less than that of the second main reinforcing steel bars.
2. The asymmetric reinforcing structure of a precast pile of claim 1, wherein the first main reinforcing bars are prestressed twisted reinforcing bars, and the plurality of second main reinforcing bars include prestressed twisted reinforcing bars and steel strands.
3. The asymmetric reinforcing structure of a precast pile as recited in claim 2, wherein the number of prestressed twisted steel bars in the second main steel bars is equal to the number of the first main steel bars.
4. The asymmetric reinforcement structure of a precast pile defined in claim 2, wherein one of said steel strands is provided between any adjacent two of said second main reinforcing bars.
5. The asymmetric reinforcing structure of a precast pile of claim 1, wherein the first main reinforcing bars are pre-stressed reinforcing bars, and the plurality of second main reinforcing bars include pre-stressed reinforcing bars and steel strands in an amount equal to that of the first main reinforcing bars.
6. The asymmetric reinforcement structure of a precast support pile as set forth in any one of claims 2 to 5, wherein the steel strand is a prestressed steel strand or a non-prestressed steel strand.
7. An asymmetric reinforcing structure of a prefabricated support pile as claimed in any one of claims 1 to 5, wherein said pile body has a rectangular cross-sectional shape, a plurality of said first main reinforcing bars are arranged at intervals along a second direction, a plurality of said second main reinforcing bars are arranged at intervals along said second direction, wherein said second direction is perpendicular to said first direction, and said second direction and said first direction are both side length directions of said rectangle.
8. A prefabricated support pile asymmetric reinforcement structure according to claim 7, wherein said pile body is formed with first and second sides opposite in said second direction;
the number of the main reinforcing steel bars close to the first side is equal to the number of the main reinforcing steel bars close to the second side.
9. An asymmetric reinforcement structure for a prefabricated support pile according to any one of claims 1 to 5, wherein said reinforcement cage further comprises a spiral reinforcement wound around the periphery of a plurality of said main reinforcements.
10. A prefabricated support pile comprising an asymmetric reinforcement structure of a prefabricated support pile according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121608570.0U CN215252813U (en) | 2021-07-15 | 2021-07-15 | Asymmetric reinforcement structure of prefabricated fender pile and prefabricated fender pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121608570.0U CN215252813U (en) | 2021-07-15 | 2021-07-15 | Asymmetric reinforcement structure of prefabricated fender pile and prefabricated fender pile |
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| Publication Number | Publication Date |
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| CN215252813U true CN215252813U (en) | 2021-12-21 |
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| CN202121608570.0U Active CN215252813U (en) | 2021-07-15 | 2021-07-15 | Asymmetric reinforcement structure of prefabricated fender pile and prefabricated fender pile |
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