CN215888205U - Prefabricated fender pile of asymmetric structure - Google Patents

Abstract

The utility model discloses a prefabricated support pile with an asymmetric structure, which comprises a pile body, a reinforcement cage, an end plate and two anchor plates, wherein the reinforcement cage is arranged on the pile body; the soil blocking side of the pile body is a tension side and the opposite side is a compression side, the pile body is provided with a first through hole and a second through hole, and the distance from the first through hole to the compression side is greater than the distance from the second through hole to the tension side; the reinforcement cage is arranged in the pile body along the axial direction of the pile body; the end plate is placed at the top end of the pile body and connected with the reinforcement cage; the two anchor plates are respectively arranged at two sides of the pile body, face to the side face of the pile body and are connected with the end plate; the number of the reinforcing bars on the tension side is more than that of the reinforcing bars on the compression side; the main stressed steel bars are intensively arranged on the tension side, and the steel bars are arranged on the compression side only according to the construction requirement, so that the reinforcement amount of the prefabricated support pile is effectively reduced, and the bending strength of the right section of the prefabricated support pile is fully utilized; the pile body is provided with two asymmetric through holes, so that the mechanical requirement can be met, the consumption of concrete materials can be saved, and the self weight of the prefabricated support pile can be reduced.

Description

Prefabricated fender pile of asymmetric structure

Technical Field

The utility model relates to the technical field of concrete precast piles, in particular to a precast supporting pile with an asymmetric structure.

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, most prefabricated support piles adopt symmetrical structures, for example, a steel reinforcement cage of the prefabricated support pile adopts a symmetrical reinforcement distribution mode, a pile body of the prefabricated support pile is of a symmetrical structure, and the like, the steel reinforcement cage adopts the symmetrical reinforcement distribution mode to cause the waste of reinforcement distribution, and the pile body adopts the symmetrical structure to easily increase the weight of the pile body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a prefabricated support pile with an asymmetric structure aiming at reducing the reinforcement amount and the weight of a pile body of the prefabricated support pile aiming at overcoming the defects of the prior art.

The utility model provides a prefabricated support pile with an asymmetric structure, which comprises a pile body, a reinforcement cage, an end plate and two anchor plates, wherein the reinforcement cage is arranged on the pile body;

the cross section of the pile body is rectangular, the soil blocking side of the pile body is a tension side and the opposite side of the pile body is a compression side, the tension side and the compression side are opposite in a first direction, and the reinforcement cage is placed in the pile body along the axial direction of the pile body, wherein the first direction is perpendicular to the axial direction of the pile body;

the pile body is axially provided with a first through hole and a second through hole in a penetrating manner, the first through hole and the second through hole are opposite in the first direction, the first through hole is close to the pressure side relative to the second through hole, and the distance from the first through hole to the pressure side is larger than the distance from the second through hole to the tension side;

the end plate is placed at the top end of the pile body and connected with the reinforcement cage;

the two anchor plates are respectively arranged on two sides of the pile body in the first direction, face the side face of the pile body and are connected with the end plate;

the number of the reinforcing bars on the tension side of the prefabricated support pile with the asymmetric structure is more than that of the reinforcing bars on the compression side of the prefabricated support pile with the asymmetric structure.

Optionally, the reinforcement cage 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;

many first principal steel bar sets up along second direction interval, many second principal steel bar is followed the second direction interval sets up, wherein, the second direction first direction with two liang of mutually perpendicular of axial of pile body.

Optionally, the first main reinforcing steel bars are prestressed twisted steel bars, and the plurality of second main reinforcing steel bars comprise prestressed twisted steel bars and steel strands;

the number of prestressed twisted steel bars in the second main steel bars is equal to the number of the first main steel bars.

Optionally, the end plate is a rectangular plate adapted to the shape of the pile body, and the end plate includes a first side portion and a second side portion, the first side portion abuts against the compression side, and the second side portion abuts against the tension side;

the first side part is provided with a plurality of first combined connecting holes corresponding to the first main reinforcing steel bars in a penetrating manner, and the second side part is provided with a plurality of second combined connecting holes corresponding to the prestressed threaded reinforcing steel bars in the second main reinforcing steel bars in a penetrating manner;

the first combined connecting hole comprises a first screw tensioning hole, a first rib passing groove and a first rib sinking hole, the first rib passing groove extends along the first direction, the first screw tensioning hole is communicated with one end, close to the second side portion, of the first rib passing groove, the first rib sinking hole is communicated with one end, far away from the second side portion, of the first rib passing groove, and the aperture of the first rib sinking hole is smaller than that of the first screw tensioning hole;

the second combined connecting hole comprises a second rib passing groove and a second rib sinking hole, the second rib passing groove extends along the first direction, the second rib sinking hole is communicated with one end, close to the first side portion, of the second rib passing groove, and one end, far away from the first side portion, of the second rib passing groove penetrates through the second side portion in the first direction.

Optionally, the plurality of primary rebars comprises two third primary rebars and two fourth primary rebars;

the two third main steel bars are respectively arranged on two sides of the first through hole in the second direction, are positioned between the first main steel bar and the first through hole, and are connected through a hook bar;

the two fourth main steel bars are respectively arranged on two sides of the second through hole in the second direction, and the two fourth main steel bars are located between the second main steel bars and the second through hole; and the two fourth main reinforcing steel bars are connected through a hook rib.

Optionally, the end plate includes two third side portions opposite to each other in the second direction, each third side portion is provided with two third combined connecting holes in a penetrating manner, and the two third combined connecting holes correspond to the third main reinforcing steel bar and the fourth main reinforcing steel bar respectively;

the third combined connecting hole comprises a second screw tensioning hole, a third passing rib groove and a third sinking rib hole, the third passing rib groove extends along the first direction, the second screw tensioning hole is communicated with the third passing rib groove close to one end of the second side portion, the third sinking rib hole is communicated with the third passing rib groove far away from one end of the second side portion, and the aperture of the third sinking rib hole is smaller than that of the second screw tensioning hole.

Optionally, one of the two anchor plates is a first anchor plate near the compression side and the other is a second anchor plate near the tension side;

wherein the area of the second anchor plate is greater than the area of the first anchor plate.

Optionally, the dimension of the second anchor plate in the second direction is greater than the dimension of the first anchor plate in the second direction.

Optionally, the first anchor plate and the second anchor plate have proximal inner sides;

the precast support pile with the asymmetric structure further comprises a first pull anchor and a second pull anchor, and the first pull anchor and the second pull anchor are arranged along the first direction;

one end of the first pull anchor is connected with the inner side face of the first pull anchor, one end of the second pull anchor is connected with the inner side face of the second anchor plate, and one end, far away from the second anchor plate, of the second pull anchor is hooked with one end, far away from the first pull anchor, of the first pull anchor.

Optionally, a size of the second pull anchor in the first direction is larger than a size of the first pull anchor in the first direction.

According to the technical scheme provided by the utility model, the stress performance of the end plate is improved, the main stress steel bars are intensively arranged on the tension side, and the steel bars are arranged on the compression side only according to the construction requirement, so that the reinforcement quantity of the prefabricated support pile is effectively reduced, and the bending strength of the right section of the prefabricated support pile is fully utilized; the pile body is provided with two asymmetric through holes, so that the mechanical requirement can be met, the consumption of concrete materials can be saved, and the self weight of the prefabricated support pile can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 with an asymmetric structure provided by the utility model;

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 schematic structural view of the asymmetric precast support pile of 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 pile body 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 threaded reinforcement 211, a steel strand 212, a third main reinforcement 21c, a fourth main reinforcement 21d, a hook reinforcement 22, a spiral reinforcement 23, an end plate 3, a first combined connecting hole 31, a first screw tensioning hole 311, a first reinforcement passing groove 312, a first reinforcing bar hole 313, a second combined connecting hole 32, a second reinforcing bar passing groove 321, a second reinforcing bar hole 322, a third combined connecting hole 33, a second screw tensioning hole 331, a third reinforcing bar passing groove 332, a third reinforcing bar hole 333, a through hole 34, an anchor plate 4, a first anchor plate 4a, a second anchor plate 4b, a first pulling anchor 5a and a second pulling anchor 5 b.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment 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, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination 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 with an asymmetric structure, and as shown in fig. 1 to 3, the prefabricated support pile 100 with the asymmetric structure comprises a pile body 1, a reinforcement cage 2, an end plate 3 and two anchor plates 4.

As shown in fig. 2, the cross-sectional shape of pile shaft 1 is rectangular, the earth retaining side of pile shaft 1 is pressure side 11 and the opposite side is tension side 12 (pressure side 11 and tension side 12 are opposite in the first direction), pile shaft 1 is provided with first through hole 13 and second through hole 14 penetrating in the axial direction, first through hole 13 and second through hole 14 are opposite in the first direction, first through hole 13 is close to pressure side 11 with respect to second through hole 14, and the distance from first through hole 13 to pressure side 11 is greater than the distance from second through hole 14 to 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 circle 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 circle 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 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.

As shown in fig. 1 and 2, the reinforcement cage 2 is arranged in the pile body 1 along the axial direction of the pile body 1; the number of the reinforcing bars on the tension side 12 of the prefabricated support pile 100 with the asymmetric structure is more than that of the reinforcing bars on the compression side 11 of the prefabricated support pile 100 with the asymmetric structure.

Specifically, the reinforcement cage 2 comprises a plurality of main reinforcements extending along the axial direction of the pile body 1; the main reinforcing steel bars comprise a plurality of first main reinforcing steel bars 21a and a plurality of second main reinforcing steel bars 21b, the first main reinforcing steel bars 21a are close to the compression side 11, the second main reinforcing steel bars 21b are close to the tension side 12, and the number of the first main reinforcing steel bars 21a is less than that of the second main reinforcing steel bars 21 b; the plurality of first main reinforcing steel bars 21a are arranged at intervals along the second direction, the plurality of second main reinforcing steel bars 21b are arranged at intervals along the second direction, main stressed reinforcing steel bars are intensively arranged on the tension side 12, and the reinforcing steel bars are arranged on the compression side 11 only according to the construction requirement, so that the reinforcement distribution amount of the prefabricated support pile 100 with the asymmetric structure is effectively reduced, the bending strength of the normal section of the prefabricated support pile 100 with the asymmetric structure is fully utilized, and a better economic effect is achieved. And the second direction, the first direction and the axial direction of the pile body 1 are mutually vertical in pairs.

In this 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 can be prestressed steel strands or non-prestressed steel strands, so that the horizontal shearing resistance of the prefabricated support pile 100 with the asymmetric structure 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.

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 precast support pile 100 with the asymmetric structure further comprises a first pull anchor 5a and a second pull anchor 5b, and the first pull anchor 5a and the second pull anchor 5b are both 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 with the asymmetric structure, and the pre-buried lifting holes 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 description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A prefabricated support pile with an asymmetric structure is characterized by comprising a pile body, a reinforcement cage, an end plate and two anchor plates;

the cross section of the pile body is rectangular, the soil blocking side of the pile body is a tension side and the opposite side of the pile body is a compression side, the tension side and the compression side are opposite in a first direction, and the reinforcement cage is placed in the pile body along the axial direction of the pile body, wherein the first direction is perpendicular to the axial direction of the pile body;

the pile body is axially provided with a first through hole and a second through hole in a penetrating manner, the first through hole and the second through hole are opposite in the first direction, the first through hole is close to the pressure side relative to the second through hole, and the distance from the first through hole to the pressure side is larger than the distance from the second through hole to the tension side;

the end plate is placed at the top end of the pile body and connected with the reinforcement cage;

the two anchor plates are respectively arranged on two sides of the pile body in the first direction, face the side face of the pile body and are connected with the end plate;

the number of the reinforcing bars on the tension side of the prefabricated support pile with the asymmetric structure is more than that of the reinforcing bars on the compression side of the prefabricated support pile with the asymmetric structure.

2. An asymmetrically structured prefabricated support pile according to claim 1, characterized in that said reinforcement cage comprises a plurality of main reinforcements extending in the axial direction of said 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;

many first principal steel bar sets up along second direction interval, many second principal steel bar is followed the second direction interval sets up, wherein, the second direction first direction with two liang of mutually perpendicular of axial of pile body.

3. The asymmetrically structured precast support pile of claim 2, wherein the first primary reinforcing bars are prestressed threaded reinforcing bars, and the plurality of second primary reinforcing bars include prestressed threaded reinforcing bars and steel strands;

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. An asymmetrically structured prefabricated support pile according to claim 3, characterised in that said end plate is a rectangular plate adapted to the shape of said pile body, said end plate comprising a first side portion and a second side portion, said first side portion abutting said compression side and said second side portion abutting said tension side;

the first side part is provided with a plurality of first combined connecting holes corresponding to the first main reinforcing steel bars in a penetrating manner, and the second side part is provided with a plurality of second combined connecting holes corresponding to the prestressed threaded reinforcing steel bars in the second main reinforcing steel bars in a penetrating manner;

the first combined connecting hole comprises a first screw tensioning hole, a first rib passing groove and a first rib sinking hole, the first rib passing groove extends along the first direction, the first screw tensioning hole is communicated with one end, close to the second side portion, of the first rib passing groove, the first rib sinking hole is communicated with one end, far away from the second side portion, of the first rib passing groove, and the aperture of the first rib sinking hole is smaller than that of the first screw tensioning hole;

the second combined connecting hole comprises a second rib passing groove and a second rib sinking hole, the second rib passing groove extends along the first direction, the second rib sinking hole is communicated with one end, close to the first side portion, of the second rib passing groove, and one end, far away from the first side portion, of the second rib passing groove penetrates through the second side portion in the first direction.

5. The asymmetrically structured prefabricated support pile according to claim 4, wherein the plurality of main reinforcing bars comprises two third main reinforcing bars and two fourth main reinforcing bars;

the two third main steel bars are respectively arranged on two sides of the first through hole in the second direction, are positioned between the first main steel bar and the first through hole, and are connected through a hook bar;

the two fourth main steel bars are respectively arranged on two sides of the second through hole in the second direction, and the two fourth main steel bars are located between the second main steel bars and the second through hole; and the two fourth main reinforcing steel bars are connected through a hook rib.

6. The asymmetrically structured prefabricated support pile according to claim 5, wherein said end plate includes two third side portions opposite in said second direction, each of said third side portions having two third combined coupling holes formed therethrough, said two third combined coupling holes corresponding to said third main reinforcing bars and said fourth main reinforcing bars, respectively;

the third combined connecting hole comprises a second screw tensioning hole, a third passing rib groove and a third sinking rib hole, the third passing rib groove extends along the first direction, the second screw tensioning hole is communicated with the third passing rib groove close to one end of the second side portion, the third sinking rib hole is communicated with the third passing rib groove far away from one end of the second side portion, and the aperture of the third sinking rib hole is smaller than that of the second screw tensioning hole.

7. An asymmetrically structured prefabricated support pile according to claim 2, characterised in that one of said two anchor plates is a first anchor plate near said compression side and the other is a second anchor plate near said tension side;

wherein the area of the second anchor plate is greater than the area of the first anchor plate.

8. An asymmetrically structured prefabricated support pile according to claim 7, characterised in that the dimension of said second anchor plate in said second direction is larger than the dimension of said first anchor plate in said second direction.

9. An asymmetrically structured prefabricated support pile according to claim 7, characterised in that said first anchor plate and said second anchor plate have adjacent inner sides;

the precast support pile with the asymmetric structure further comprises a first pull anchor and a second pull anchor, and the first pull anchor and the second pull anchor are arranged along the first direction;

one end of the first pull anchor is connected with the inner side face of the first pull anchor, one end of the second pull anchor is connected with the inner side face of the second anchor plate, and one end, far away from the second anchor plate, of the second pull anchor is hooked with one end, far away from the first pull anchor, of the first pull anchor.

10. An asymmetrically structured prefabricated support pile according to claim 9, characterised in that the dimension of said second tie anchor in said first direction is larger than the dimension of said first tie anchor in said first direction.

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