CN113106971A - Support disc type prestressed concrete pile - Google Patents
Support disc type prestressed concrete pile Download PDFInfo
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- CN113106971A CN113106971A CN202110452113.5A CN202110452113A CN113106971A CN 113106971 A CN113106971 A CN 113106971A CN 202110452113 A CN202110452113 A CN 202110452113A CN 113106971 A CN113106971 A CN 113106971A
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 87
- 210000003205 muscle Anatomy 0.000 claims description 26
- 238000009826 distribution Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000005056 compaction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
Abstract
The invention discloses a support disc type prestressed concrete pile, which comprises a plurality of sections of connected pile bodies, wherein support discs are arranged at intervals along the vertical direction of the pile bodies and protrude out of the pile bodies; the adjacent support disc type prestressed concrete piles are connected through pile connectors, each pile connector comprises a pile hoop and a pile end plate, and the pile end plates of the adjacent support disc type prestressed concrete piles are connected. According to the invention, the supporting discs protruding out of the pile bodies are arranged between the pile bodies, the contact area between the side surfaces of the supporting disc type prestressed concrete pile and a soil body is increased by the supporting discs, the side frictional resistance of the supporting disc type prestressed concrete pile is improved, and a certain end resistance can be provided, so that the bearing capacity of the supporting disc type prestressed concrete pile is improved, meanwhile, the supporting discs protruding locally can play a certain compaction and compaction role on the soil body under the supporting discs in the pile sinking process, and the vertical bearing capacity of the supporting disc type prestressed concrete pile is improved, and meanwhile, the settlement of the supporting disc type prestressed concrete pile under the vertical load is reduced.
Description
Technical Field
The invention relates to the technical field of reinforced concrete prefabricated products for buildings, in particular to a supporting disc type prestressed concrete pile.
Background
The prestressed concrete pile has wide application in foundation engineering, and has the characteristics of high bearing capacity, convenience in manufacturing, simple mold, strong corrosion resistance and the like. The prestressed concrete pile can be used in large or important buildings as a substructure to transfer the load of the building to a soil bearing layer or a harder place, so as to increase the safety and stability of the building structure.
Because the prestressed concrete pile mostly adopts the production form of prefabricating in the mill, under the condition that single prestressed concrete pile length is limited, in the prior art, the mode of connecting a plurality of sections of prestressed concrete piles is adopted to ensure the use requirement of the prestressed concrete pile, but in the prior art, the structural strength of the joint of the plurality of sections of prestressed concrete piles is poor, and the bearing capacity of the prestressed concrete pile is reduced.
Therefore, how to change the current situation that the load-bearing capacity of the prestressed concrete pile is poor in the prior art becomes a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a supporting disc type prestressed concrete pile, which aims to solve the problems in the prior art and improve the bearing capacity of the prestressed concrete pile.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a supporting disc type prestressed concrete pile, which comprises a plurality of sections of connected pile bodies, wherein supporting discs are arranged at intervals along the vertical direction of the pile bodies, the cross section shapes of the supporting discs are consistent with the cross section shapes of the pile bodies, the cross section areas of the supporting discs are larger than that of the pile bodies, the supporting discs and the pile bodies are coaxially arranged, and the supporting discs are arranged by protruding out of the pile bodies;
the adjacent supporting disc type prestressed concrete piles are connected by using pile connectors, each pile connector comprises a pile hoop and a pile end plate, the pile hoop is sleeved outside the pile body, the pile end plate is positioned on the axial end face of the pile body, a gap is formed between the top surface of the pile hoop and the top surface of the pile end plate, the pile hoop is connected with the pile end plate, and the pile end plates of the adjacent supporting disc type prestressed concrete piles are connected;
the bottom of the pile body located at the bottommost part is connected with a pile tip, the pile tip is provided with a tip structure, and one end, far away from the tip structure, of the pile tip is connected with the pile body.
Preferably, the supporting disc comprises a main body part and two connecting parts which are connected, the two connecting parts are symmetrically arranged at two ends of the main body part, the main body part is of a columnar structure, the connecting parts are of a platform-shaped structure, one end, with a larger cross-sectional area, of the connecting part is equal to the cross-sectional area of the main body part, one end, with a smaller cross-sectional area, of the connecting part is equal to the cross-sectional area of the pile body, one end, with a larger cross-sectional area, of the connecting part is connected with the main body part, and one end, with.
Preferably, the cross section of the pile body is rectangular, regular polygon or circular.
Preferably, when the cross section of the pile body is rectangular, the length of the long side of the cross section of the pile body is 1-3 times of the length of the short side of the cross section of the pile body, the height of the supporting disc is not less than 0.3-1 times of the length of the short side of the cross section of the pile body, and the height of the supporting disc protruding out of the pile body is 0.05-0.1 times of the length of the short side of the cross section of the pile body;
when the cross section of the pile body is a regular hexagon, the height of the supporting disc is 0.35-1.2 times of the length of a symmetric axis of the cross section of the pile body, and the height of the supporting disc protruding out of the pile body is 0.05-0.1 times of the length of the symmetric axis of the cross section of the pile body;
when the cross section of the pile body is circular, the height of the support disc is not less than 0.3-1 time of the diameter of the pile body, and the height of the support disc protruding out of the pile body is 0.05-0.1 time of the diameter of the pile body.
Preferably, pile body inside has vertical muscle and stirrup, vertical muscle with the axis of pile body parallels, the stirrup wind the axis setting of pile body, the stirrup is hoop stirrup or heliciform stirrup.
Preferably, when the cross section of the pile body is rectangular or regular hexagon, the corners of the stirrups are rounded.
Preferably, an included angle between a side surface of the main body portion and a side surface of the connecting portion is 45 °.
Preferably, prop up and have a set distribution muscle and a set annular muscle in the dish, prop up set distribution muscle with the quantity of indulging the muscle is unanimous and the one-to-one, prop up set distribution muscle with it links to each other to indulge muscle welding or ligature, prop up set annular muscle around the axis setting of pile body, a plurality of prop up set annular muscle is followed the axis equidistant of pile body is arranged.
Preferably, the pile end plates of the adjacent supporting disc type prestressed concrete piles are connected in a welding mode, and the pile end plates are annularly overlaid in three layers around the axis of the pile body.
Compared with the prior art, the invention has the following technical effects: the invention relates to a support disc type prestressed concrete pile, which comprises a plurality of sections of pile bodies connected with each other, wherein support discs are arranged at intervals in the vertical direction of the pile bodies, the cross section shapes of the support discs are consistent with the cross section shape of the pile bodies, the cross section area of each support disc is larger than that of each pile body, the support discs and the pile bodies are coaxially arranged, and the support discs are arranged in a protruding manner; the adjacent support disc type prestressed concrete piles are connected by utilizing pile joints, each pile joint comprises a pile hoop and a pile end plate, the pile hoop is sleeved outside the pile body, the pile end plate is positioned on the axial end face of the pile body, a gap is reserved between the top surface of the pile hoop and the top surface of the pile end plate, the pile hoops are connected with the pile end plates, and the pile end plates of the adjacent support disc type prestressed concrete piles are connected in a welding mode; the bottom of the pile body located at the bottommost part is connected with a pile tip, the pile tip is provided with a tip structure, and one end, far away from the tip structure, of the pile tip is connected with the pile body. According to the support disc type prestressed concrete pile, the support discs protruding out of the pile bodies are arranged between the pile bodies, the contact area between the side faces of the support disc type prestressed concrete pile and a soil body is increased by the support discs, the side frictional resistance of the support disc type prestressed concrete pile is improved, and certain end resistance can be provided, so that the bearing capacity of the support disc type prestressed concrete pile is improved, meanwhile, the support discs protruding partially can play a certain compaction and compaction role on the soil body under the support discs in the pile sinking process, and the vertical bearing capacity of the support disc type prestressed concrete pile is improved, and meanwhile, the settlement of the support disc type prestressed concrete pile under a vertical load is reduced. In addition, in some specific construction processes, a plurality of sections of supporting disc type prestressed concrete piles are required to be connected, adjacent supporting disc type prestressed concrete piles are connected by welding through pile end plates of pile joints, each pile joint comprises a pile hoop and a pile end plate, the pile hoop is sleeved outside a pile body, the adjacent pile end plates are connected, and the connection firmness is improved; the pile body at the bottommost part is provided with a pile tip which is provided with a tip structure, so that convenience is provided for construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a supporting disc type prestressed concrete pile of the present invention;
fig. 2 is a schematic view illustrating a tray type prestressed concrete pile according to the present invention, which has a rectangular cross-section;
fig. 3 is a schematic view of other embodiments of the branch plate type prestressed concrete pile of the present invention when the cross-section is rectangular;
fig. 4 is a schematic view illustrating a cross-section of a branch plate type prestressed concrete pile according to the present invention in the form of a regular hexagon;
fig. 5 is a schematic view illustrating a cross-section of a branch plate type prestressed concrete pile according to the present invention is circular;
FIG. 6 is a schematic structural view of a branch plate of the branch plate type prestressed concrete pile of the present invention;
FIG. 7 is a cutaway schematic view of a portion of the structure of FIG. 6;
fig. 8 is a sectional view schematically showing a pile joint of the tray type prestressed concrete pile according to the present invention;
FIG. 9 is an enlarged schematic view of a portion of the structure of FIG. 8;
wherein, 100 is a supporting disc type prestressed concrete pile, 1 is a pile body, 2 is a supporting disc, 3 is a pile joint, 4 is a pile sleeve hoop, 5 is a pile end plate, 6 is a pile tip, 7 is a main body part, 8 is a connecting part, 9 is a longitudinal bar, 10 is a hoop bar, 11 is a supporting disc distribution bar, 12 is a supporting disc annular bar, and 13 is an anchoring end plate bar.
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.
The invention aims to provide a supporting disc type prestressed concrete pile, which aims to solve the problems in the prior art and improve the bearing capacity of the prestressed concrete pile.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 9, in which fig. 1 is a schematic structural view of a supporting plate type prestressed concrete pile according to the present invention, fig. 2 is a schematic view of a tray type prestressed concrete pile of the present invention when the cross-section is rectangular, fig. 3 is a schematic view of another embodiment of a tray type prestressed concrete pile of the present invention when the cross-section is rectangular, fig. 4 is a schematic view showing a cross-section of the branch plate type prestressed concrete pile of the present invention in the form of a regular hexagon, fig. 5 is a schematic view showing a case where a cross section of a branch plate type prestressed concrete pile of the present invention is circular, fig. 6 is a schematic view showing a structure of a branch plate type prestressed concrete pile of the present invention, fig. 7 is a sectional view illustrating a partial structure of fig. 6, fig. 8 is a sectional view illustrating a pile joint of a headboard type prestressed concrete pile according to the present invention, and fig. 9 is an enlarged view illustrating a partial structure of fig. 8.
The invention provides a supporting disc type prestressed concrete pile 100, which comprises a plurality of sections of connected pile bodies 1, supporting discs 2 are arranged at intervals along the vertical direction of the pile bodies 1, the cross section shapes of the supporting discs 2 are consistent with the cross section shape of the pile bodies 1, the cross section area of each supporting disc 2 is larger than that of each pile body 1, the supporting discs 2 and the pile bodies 1 are coaxially arranged, and the supporting discs 2 protrude out of the pile bodies 1;
the adjacent support disc type prestressed concrete piles 100 are connected by using pile connectors 3, each pile connector 3 comprises a pile hoop 4 and a pile end plate 5, each pile hoop 4 is sleeved outside the corresponding pile body 1, each pile end plate 5 is located on the axial end face of the corresponding pile body 1, a gap is formed between the top face of each pile hoop 4 and the top face of each pile end plate 5, each pile hoop 4 is connected with each pile end plate 5, and the pile end plates 5 of the adjacent support disc type prestressed concrete piles 100 are connected;
the bottom of the pile body 1 at the bottommost part is connected with a pile tip 6, the pile tip 6 has a tip structure, and one end of the pile tip 6, which is far away from the tip structure, is connected with the pile body 1.
According to the support disc type prestressed concrete pile 100, the support discs 2 protruding out of the pile body 1 are arranged between the pile bodies 1, the contact area between the side surfaces of the support disc type prestressed concrete pile 100 and a soil body is increased by the support discs 2, the side frictional resistance of the support disc type prestressed concrete pile 100 is improved, and certain end resistance can be provided, so that the bearing capacity of the support disc type prestressed concrete pile 100 is improved, meanwhile, the support discs 2 protruding locally can play a certain role in compacting and compacting the soil body under the support discs 2 in the pile sinking process, the vertical bearing capacity of the support disc type prestressed concrete pile 100 is improved, and meanwhile, the settlement of the support disc type prestressed concrete pile 100 under a vertical load is reduced. In addition, in some specific construction processes, a plurality of sections of supporting disc type prestressed concrete piles 100 are required to be connected, adjacent supporting disc type prestressed concrete piles 100 are connected through pile connectors 3, each pile connector 3 comprises a pile hoop 4 and a pile end plate 5, the pile hoops 4 are sleeved outside the pile body 1, and the adjacent pile end plates 5 are connected in a welding mode, so that the connection firmness is improved; the pile body 1 at the bottommost part is provided with the pile tip 6, and the pile tip 6 has a tip structure, so that convenience is provided for construction.
Wherein, the supporting disc 2 includes continuous main part 7 and two connecting portion 8, and two connecting portion 8 symmetries set up in the both ends of main part 7, and main part 7 is the columnar structure, and connecting portion 8 is the platform column structure, and the great one end of cross-sectional area of connecting portion 8 equals with the cross-sectional area of main part 7, and the less one end of cross-sectional area of connecting portion 8 equals with the cross-sectional area of shaft 1, and the great one end of cross-sectional area of connecting portion 8 links to each other with main part 7, and the less one end of cross-sectional area of. The main body part 7 of the supporting disc 2 protrudes out of the pile body 1, the sectional area of one end of the connecting part 8 is smaller, the sectional area of the other end of the connecting part is larger, a transition effect is achieved, the supporting disc 2 is connected with the upper pile body 1 and the lower pile body 1, and the structural integrity of the supporting disc type prestressed concrete pile 100 is improved.
Specifically, the cross section of the pile body 1 is rectangular, regular polygon or circular, wherein:
when the cross section of the pile body 1 is rectangular, the length of the long side of the cross section of the pile body 1 is 1-3 times of the length of the short side of the cross section of the pile body 1, the height of the root of the supporting disc 2 is not less than 0.3-1 time of the length of the short side of the cross section of the pile body 1, and the height of the supporting disc 2 protruding out of the pile body 1 is 0.05-0.1 time of the length of the short side of the cross section of the pile body 1;
when the cross section of the pile body 1 is a regular hexagon, the height of the pile body 1 is a plurality of times of the side length of the cross section of the pile body 1, the height of the supporting disc 2 is 0.35-1.2 times of the length of a symmetrical shaft of the cross section of the pile body 1, and the height of the supporting disc 2 protruding out of the pile body 1 is 0.05-0.1 times of the length of the symmetrical shaft of the cross section of the pile body 1;
when the cross section of the pile body 1 is circular, the height of the pile body 1 is a plurality of times of the diameter of the pile body 1, the height of the supporting disc 2 is not less than 0.3-1 time of the diameter of the pile body 1, and the height of the supporting disc 2 protruding out of the pile body 1 is 0.05-0.1 time of the diameter of the pile body 1.
When the cross section of the pile body 1 is rectangular, regular polygon or circular, the supporting disc 2 protrudes out of the pile body 1, so that compared with the structure of the pile body 1 with the same cross section area, the bearing capacity is ensured, and the concrete consumption is reduced; taking the cross section of pile body 1 as the regular hexagon as an example, the length of side of regular hexagon is 250mm, the height that props up dish 2 protrusion in pile body 1 is 25mm, prop up 2 department cross section and be the regular hexagon of length of side 279mm, prop up the height of dish 2 and be 100mm, prop up 2 interval 1000mm, the pile length is calculated according to 15m, compares the equal section stake of length of side 279mm regular hexagon cross-section, and concrete consumption has been compared and has been reduced 17.8%, has practiced thrift manufacturing cost.
More specifically, the pile body 1 is internally provided with a longitudinal bar 9 and a stirrup 10, the longitudinal bar 9 is parallel to the axis of the pile body 1, the stirrup 10 is arranged around the axis of the pile body 1, and the stirrup 10 is a hoop stirrup or a spiral stirrup; when the cross section of the pile body 1 is rectangular or regular polygon, the corners of the stirrups 10 are rounded, that is, the longitudinal bars 9 at the corners move towards the axial direction of the pile body 1. It should be noted that the longitudinal bars 9 and the stirrups 10 should be made of materials meeting the standard to ensure the structural strength of the branch plate type prestressed concrete pile 100.
In other specific embodiments of the present invention, the included angle between the side surface of the main body portion 7 and the side surface of the connecting portion 8 is 45 °, in actual production, the included angle may also be selected according to production requirements, and the connecting portion 8 is located between the main body portion 7 and the pile body 1, so as to reduce stress concentration and avoid die cutting damage of the supporting disk 2.
Further, have a rim plate distribution muscle 11 and a rim plate annular muscle 12 in the rim plate 2, rim plate distribution muscle 11 with indulge the quantity of muscle 9 unanimous and one-to-one, rim plate distribution muscle 11 with indulge the muscle 9 ligature and link to each other, rim plate annular muscle 12 sets up around the axis of pile body 1, a plurality of rim plate annular muscle 12 is arranged along the axis of pile body 1 equidistant, guarantees the structural strength of 2 departments of rim plate to provide the guarantee for the bearing capacity of rim plate formula prestressed concrete pile 100.
In addition, the pile end plates 5 of the adjacent supporting disc type prestressed concrete piles 100 are connected in a welding mode, and three layers of overlaying welding are carried out around the axis of the pile body 1 in an annular mode (see the attached drawing 9 in detail), so that the connection strength is guaranteed. It should be noted here that the pile end plate 5 should be made of steel materials not lower than Q235B, the end plate produced by casting process is strictly forbidden, the product quality meets the production standard, and the pile end plate 5 is further connected with the end plate anchoring rib 13 to ensure the connection strength between the pile end plate 5 and the pile body 1.
According to the support disc type prestressed concrete pile 100, the support discs 2 protruding out of the pile body 1 are arranged between the pile bodies 1, the contact area between the side surfaces of the support disc type prestressed concrete pile 100 and a soil body is increased by the support discs 2, the side frictional resistance of the support disc type prestressed concrete pile 100 is improved, and a certain end resistance can be provided, so that the bearing capacity of the support disc type prestressed concrete pile 100 is improved, meanwhile, the support discs 2 protruding locally can play a certain role in compacting and compacting the soil body under the support discs 2 in the pile sinking process, the vertical bearing capacity of the support disc type prestressed concrete pile 100 is improved, and meanwhile, the settlement of the support disc type prestressed concrete pile 100 under a vertical load is reduced.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a supporting disk formula prestressed concrete pile which characterized in that: the pile comprises a plurality of sections of connected pile bodies, supporting discs are arranged at intervals along the vertical direction of the pile bodies, the cross section shapes of the supporting discs are consistent with the cross section shapes of the pile bodies, the cross section area of each supporting disc is larger than that of each pile body, the supporting discs and the pile bodies are coaxially arranged, and the supporting discs protrude out of the pile bodies;
the adjacent supporting disc type prestressed concrete piles are connected by using pile connectors, each pile connector comprises a pile hoop and a pile end plate, the pile hoop is sleeved outside the pile body, the pile end plate is positioned on the axial end face of the pile body, a gap is formed between the top surface of the pile hoop and the top surface of the pile end plate, the pile hoop is connected with the pile end plate, and the pile end plates of the adjacent supporting disc type prestressed concrete piles are connected;
the bottom of the pile body located at the bottommost part is connected with a pile tip, the pile tip is provided with a tip structure, and one end, far away from the tip structure, of the pile tip is connected with the pile body.
2. The tray-supported prestressed concrete pile according to claim 1, wherein: the branch dish including continuous main part and two connecting portion, two the connecting portion symmetry set up in the both ends of main part, the main part is the columnar structure, connecting portion are the platform column structure, the great one end of cross-sectional area of connecting portion with the cross-sectional area of main part equals, the less one end of cross-sectional area of connecting portion with the cross-sectional area of pile body equals, the great one end of cross-sectional area of connecting portion with the main part links to each other, the less one end of cross-sectional area of connecting portion with the pile body links to each other.
3. The tray-supported prestressed concrete pile according to claim 1, wherein: the cross section of the pile body is rectangular, regular polygon or circular.
4. The backup prestressed concrete pile according to claim 3, characterized in that: when the cross section of the pile body is rectangular, the length of the long side of the cross section of the pile body is 1-3 times of the length of the short side of the cross section of the pile body, the height of the supporting disc is not less than 0.3-1 time of the length of the short side of the cross section of the pile body, and the height of the supporting disc protruding out of the pile body is 0.05-0.1 time of the length of the short side of the cross section of the pile body;
when the cross section of the pile body is a regular hexagon, the height of the supporting disc is 0.35-1.2 times of the length of a symmetric axis of the cross section of the pile body, and the height of the supporting disc protruding out of the pile body is 0.05-0.1 times of the length of the symmetric axis of the cross section of the pile body;
when the cross section of the pile body is circular, the height of the support disc is not less than 0.3-1 time of the diameter of the pile body, and the height of the support disc protruding out of the pile body is 0.05-0.1 time of the diameter of the pile body.
5. The tray-supported prestressed concrete pile according to claim 1, wherein: the pile body is internally provided with longitudinal bars and stirrups, the longitudinal bars are parallel to the axis of the pile body, the stirrups wind the axis of the pile body, and the stirrups are hoop stirrups or spiral stirrups.
6. The tray-supported prestressed concrete pile according to claim 5, wherein: when the cross section of the pile body is rectangular or regular hexagonal, the corners of the stirrups are rounded.
7. The tray-supported prestressed concrete pile according to claim 2, wherein: the included angle between the side surface of the main body part and the side surface of the connecting part is 45 degrees.
8. The tray-supported prestressed concrete pile according to claim 5, wherein: have a rim plate distribution muscle and rim plate annular muscle in the rim plate, rim plate distribution muscle with the quantity of indulging the muscle is unanimous and the one-to-one, rim plate distribution muscle with it links to each other to indulge muscle welding or ligature, rim plate annular muscle winds the axis setting of pile body, a plurality of rim plate annular muscle is followed the axis of pile body is equidistant arranges.
9. The tray-supported prestressed concrete pile according to claim 1, wherein: and the pile end plates of the adjacent supporting disc type prestressed concrete piles are welded and connected, and the pile end plates are annularly overlaid in three layers around the axis of the pile body.
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| CN202110452113.5A CN113106971A (en) | 2021-04-26 | 2021-04-26 | Support disc type prestressed concrete pile |
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| CN202110452113.5A CN113106971A (en) | 2021-04-26 | 2021-04-26 | Support disc type prestressed concrete pile |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572752A (en) * | 2012-08-09 | 2014-02-12 | 上海中技桩业股份有限公司 | Partial prestressed concrete bamboo joint pile |
| CN103953028A (en) * | 2014-05-15 | 2014-07-30 | 江苏合正能源科技有限公司 | Multi-branch disk square bored pile |
| CN203741818U (en) * | 2014-02-27 | 2014-07-30 | 安徽省公路桥梁工程有限公司 | Drainage type prefabricated tubular pile structure with supporting disc |
| JP2020029703A (en) * | 2018-08-22 | 2020-02-27 | 鹿島建設株式会社 | Pile body and construction method of pile |
| CN111424654A (en) * | 2020-05-15 | 2020-07-17 | 连云港市建筑设计研究院有限责任公司 | Corner arc-shaped prestressed concrete rectangular pile |
| CN112343042A (en) * | 2020-12-01 | 2021-02-09 | 宁波中淳高科股份有限公司 | UHPC prefabricated special-shaped pile and preparation method thereof |
-
2021
- 2021-04-26 CN CN202110452113.5A patent/CN113106971A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572752A (en) * | 2012-08-09 | 2014-02-12 | 上海中技桩业股份有限公司 | Partial prestressed concrete bamboo joint pile |
| CN203741818U (en) * | 2014-02-27 | 2014-07-30 | 安徽省公路桥梁工程有限公司 | Drainage type prefabricated tubular pile structure with supporting disc |
| CN103953028A (en) * | 2014-05-15 | 2014-07-30 | 江苏合正能源科技有限公司 | Multi-branch disk square bored pile |
| JP2020029703A (en) * | 2018-08-22 | 2020-02-27 | 鹿島建設株式会社 | Pile body and construction method of pile |
| CN111424654A (en) * | 2020-05-15 | 2020-07-17 | 连云港市建筑设计研究院有限责任公司 | Corner arc-shaped prestressed concrete rectangular pile |
| CN112343042A (en) * | 2020-12-01 | 2021-02-09 | 宁波中淳高科股份有限公司 | UHPC prefabricated special-shaped pile and preparation method thereof |
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