CN114108605A - Prefabricated uplift pile and connecting device - Google Patents
Prefabricated uplift pile and connecting device Download PDFInfo
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- CN114108605A CN114108605A CN202111570557.5A CN202111570557A CN114108605A CN 114108605 A CN114108605 A CN 114108605A CN 202111570557 A CN202111570557 A CN 202111570557A CN 114108605 A CN114108605 A CN 114108605A
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- 230000014509 gene expression Effects 0.000 description 7
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- 238000004519 manufacturing process Methods 0.000 description 5
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- 239000000956 alloy Substances 0.000 description 2
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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
- E02D5/58—Prestressed concrete piles
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Abstract
The invention discloses a prefabricated uplift pile and a connecting device, comprising: pile hoops and more than two connecting plates; the pile hoop comprises an end plate and an apron plate, and the end plate is fixedly arranged at the end part of the prefabricated uplift pile; the apron board is fixed on the edge of the end plate in a surrounding mode and wraps the outer wall of the prefabricated uplift pile, and the apron board is provided with a connecting hole; the connecting plate is fixedly connected with the skirtboards on the two adjacent prefabricated uplift piles, so that the two adjacent prefabricated uplift piles are fixedly connected. The prefabricated uplift pile connecting device is quick and convenient to install, two adjacent prefabricated uplift piles can be fixedly connected through the connecting plates, the stress path of the prefabricated uplift piles is clear, and the uplift performance and the safety of the prefabricated uplift piles are greatly improved.
Description
Technical Field
The application relates to the technical field of precast piles, in particular to a precast uplift pile and a connecting device.
Background
Precast piles refer to piles that have been precast in a factory or elsewhere and then transported to the piling site or nearby for direct use. The precast pile has the advantages of capability of bearing larger load, firmness, durability, high construction speed, small influence on the surrounding environment and the like. The uplift pile is also called an anti-floating pile, and refers to a pile which is driven to counteract the buoyancy generated by water in soil on a structure when the underground structure of the construction engineering has a part which is lower than the water level of surrounding soil. The main action mechanism of the uplift pile is to resist axial tension by means of the friction force between the pile body and the soil layer. Such as anchor piles, anti-floating piles, etc. Piles that bear vertical uplift forces are called uplift piles. The uplift pile is widely applied to uplift of large basements, uplift of high-rise buildings, uplift of offshore wharf platforms, anchor pile foundations of suspension bridges and cable-stayed bridges, pile foundations of large ship dock floors, anchor pile foundations in static load test piles and the like.
The connecting structure of the existing prefabricated uplift pile adopts a bolt connecting structure, and the bolt connecting structure is complex in structure and high in manufacturing cost, so that the construction cost is not reduced. Other existing connecting structures similar to uplift connection only act on the surface of concrete of a pile body, when the prefabricated uplift pile is subjected to large tensile force, the uplift tensile force of the connecting structures is far lower than the tensile capacity of the prestressed reinforcement of the whole pile, and the uplift effect cannot be well achieved, so that great potential safety hazards exist.
Disclosure of Invention
In view of the above problems, the present application provides a prefabricated uplift pile and a connecting device, which are used for solving the technical problems of complicated structure and small tensile strength of the connecting structure of the prefabricated uplift pile.
To achieve the above object, the present invention provides a prefabricated uplift pile connection device, including: pile hoops and more than two connecting plates;
the pile hoop comprises an end plate and an apron plate, the end plate is fixedly arranged at the end part of the prefabricated uplift pile, more than two steel bar sleeves are pre-embedded in the inner side of the end plate, one end of each steel bar sleeve is connected with a prestressed steel bar in the prefabricated uplift pile, and the other end of each steel bar sleeve penetrates through the end plate and is used for fixedly connecting the prestressed steel bar of the other prefabricated uplift pile;
the apron board is fixed on the edge of the end plate in a surrounding mode and wraps the outer wall of the prefabricated uplift pile, and the apron board is provided with a connecting hole;
the connecting plate is fixedly connected with the skirtboards on the two adjacent prefabricated uplift piles, so that the two adjacent prefabricated uplift piles are fixedly connected.
Further, the end plate and the apron plate are fixedly connected through welding.
Further, the end plate and the skirt plate are made of steel plates, and the thickness of the end plate is equal to that of the skirt plate.
Furthermore, stiffening ribs are arranged on the inner sides of the end plates and the apron plate, one sides of the stiffening ribs are welded with the end plates, and the other sides of the stiffening ribs are welded with the apron plate.
Furthermore, nuts are embedded on the inner sides of the connecting holes and are welded and fixed with the apron board.
Furthermore, the nut is a closed hexagon nut.
Further, the steel bar sleeve is in threaded connection or welded with the prestressed steel bar.
Furthermore, prefabricated uplift pile includes concrete and sets up the prestressing steel in the concrete, the cross section of prefabricated uplift pile is square, circular or polygon.
In order to solve the above technical problem, the present invention further provides another technical solution:
the utility model provides a prefabricated uplift pile, includes pile body and connecting device, connecting device set up in the tip of pile body is used for adjacent two pile body fixed connection, connecting device be above arbitrary technical scheme prefabricated uplift pile connecting device.
Further, prefabricated uplift pile is square pile, prefabricated uplift pile has four sides, every the curb plate is provided with two or more the connecting plate.
Different from the prior art, the prefabricated uplift pile connecting device in the technical scheme comprises an end plate apron board and a connecting plate, wherein the end plate is fixedly arranged at the end part of the prefabricated uplift pile; the apron board is fixed on the edge of the end plate in a surrounding mode and wraps the outer wall of the prefabricated uplift pile, and the apron board is provided with a connecting hole; the connecting plate is fixedly connected with the skirtboards on the two adjacent prefabricated uplift piles, so that the two adjacent prefabricated uplift piles are fixedly connected. This prefabricated uplift pile connecting device installation is swift convenient, can be with two adjacent prefabricated uplift pile fixed connection from top to bottom through a plurality of connecting plates to this prefabricated uplift pile atress route is clear and definite, improves its resistance to plucking performance and security greatly.
In some embodiments, more than two steel bar sleeves are embedded inside the end plate, and the steel bar sleeves are used for serially connecting the prestressed steel bars in two adjacent prefabricated uplift piles, and simultaneously, when the uplift action force is applied, the tensile force borne by the pile hoop is effectively transmitted to the prestressed steel bars through the steel bar sleeves. In the embodiments, when the prefabricated uplift pile is tensioned, the prestressed steel bars in the prefabricated uplift pile are tensioned and connected with the prestressed steel bars through the embedded steel bar sleeves, and the end plates do not bear tensioning force on the horizontal plane, so that the steel consumption of the end plates can be saved, the steel consumption of the pile is saved, and the production cost of the pile is effectively reduced under the condition that the quality of the pile is not influenced.
After the pile hoop is made into a pile, the end plate on the horizontal plane of the pile hoop is connected with the prestressed reinforcement through the prestressed reinforcement sleeve, so that under the action of external tension, a pile skirt plate on the side surface of the pile hoop can be effectively prevented from being separated from a concrete pile body, the prestressed reinforcement serves as an effective carrier for finally bearing tension, and the tension bearing capacity of the uplift pile is greatly improved.
The above description of the present invention is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clearly understood by those skilled in the art, the present invention may be further implemented according to the content described in the text and drawings of the present application, and in order to make the above objects, other objects, features, and advantages of the present application more easily understood, the following description is made in conjunction with the detailed description of the present application and the drawings.
Drawings
The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of particular embodiments of the present application, as well as others related thereto, and are not to be construed as limiting the application.
In the drawings of the specification:
fig. 1 is a schematic structural view of a prefabricated uplift pile provided with the pile hoop according to an embodiment;
fig. 2 is an axial cross-section of a prefabricated uplift pile with the pile hoop of the embodiment;
fig. 3 is a schematic view of the connection of two adjacent prefabricated uplift piles through a connecting device in the upper and lower directions according to the specific embodiment;
fig. 4 is a schematic cross-sectional view of two adjacent prefabricated uplift piles connected through a connecting device in the embodiment;
fig. 5 is a schematic structural view of the pile band according to the embodiment;
FIG. 6 is a top view of an end plate according to an embodiment;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6;
FIG. 9 is a schematic view of an embodiment of the skirt panel;
FIG. 10 is a schematic view of a reinforcement sleeve according to an embodiment;
the reference numerals referred to in the above figures are explained below:
10. pile hoops;
11. an end plate; 111. A steel bar sleeve;
12. a skirt board; 121. Connecting holes;
13. a connecting plate;
14. a bolt;
20. prefabricating an uplift pile; 21. Pre-stressing the steel bars;
Detailed Description
In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.
Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.
In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".
In this application, terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.
As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.
In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.
The prefabricated uplift pile is widely applied to the uplift resistance of large basements, uplift resistance of high-rise buildings (structures), uplift resistance of offshore wharf platforms and the like. The inventor discovers through earnest research that the existing end-plate-free prefabricated uplift pile or small-end prefabricated uplift pile usually uses a plug to connect the pile body, the structure of the plug is complex, the construction cost is high, the pile body connection manufacturing cost is high, and the construction cost is not saved. Other similar resistance to plucking connect current prefabricated resistance to plucking pile body connection structure when receiving great pulling force, the resistance to plucking pulling force of pre-buried portion is not as good as the tensile ability of full stake far away among the connection structure, can not accomplish fine resistance to plucking effect, has great potential safety hazard.
The invention aims to solve the technical problems, improves the existing connecting mode of the pile body of the prefabricated uplift pile, and provides a prefabricated uplift pile connecting device which is used for improving the uplift resistance of the connection of the pile body of the prefabricated uplift pile and effectively reducing the connection cost of the pile body of the prefabricated uplift pile. The prefabricated uplift pile connecting device is suitable for prefabricated uplift piles in different shapes, and more than two prefabricated uplift piles can be connected end to end along the length direction. The prefabricated uplift pile and the prefabricated uplift pile connecting device can be suitable for floating resistance of basements, uplift resistance of high-rise buildings (structures), uplift resistance of offshore wharf platforms, anchor pile foundations of suspension bridges and cable-stayed bridges, pile foundations of large ship dock floors, anchor pile foundations in static load test piles and the like.
As shown in fig. 1 to 10, a prefabricated uplift pile connection device is provided in the following embodiments. As shown in fig. 1, the structure of the prefabricated uplift pile provided with the pile hoop in the embodiment is schematically shown; fig. 2 is an axial cross-section of a prefabricated uplift pile with the pile hoop of the embodiment; fig. 3 is a schematic diagram of the connection of two adjacent prefabricated uplift piles through a connecting device. This prefabricated uplift pile connecting device includes: a pile hoop 10 and more than two connecting plates 13.
The pile hoop 10 comprises an end plate 11 and an apron plate 12, wherein the end plate 11 is fixedly arranged at the end part of the prefabricated uplift pile 20; the apron board 12 is fixed around the edge of the end plate 11 and covers the outer wall of the prefabricated uplift pile 20, and the apron board 12 is provided with a connecting hole 121. More than two steel bar sleeves 111 are embedded in the inner side of the end plate 11, and the steel bar sleeves 111 are used for serially connecting the prestressed steel bars 21 in two adjacent prefabricated uplift piles 20.
More than two connecting plates 13 are fixedly connected with the skirts 12 on two adjacent prefabricated uplift piles 20, so that the two adjacent prefabricated uplift piles 20 are fixedly connected.
The pile hoop 10 may be made of metal or alloy material such as steel, iron, etc. and the end plate 11 and skirt 12 may be formed into an integral structure by welding. The middle part of prefabricated uplift pile 20 is provided with along length direction's stake hole, and the middle part of end plate 11 is provided with the fretwork hole that corresponds with the stake hole. The inner diameter of the ring defined by the skirt panels 12 is equal to the outer diameter of the prefabricated uplift pile 20 at the end part, so as to cover the outer side wall of the prefabricated uplift pile 20 near the end part. The end face of the prefabricated uplift pile 20 and the outer side wall close to the end face can be covered by the pile hoop 10.
The end plate 11 is provided with a positioning pin, and the positioning pin is used for aligning and positioning the end part of the pile body when the two prefabricated uplift piles 20 are connected. As shown in fig. 4, is a schematic cross-sectional view illustrating that two adjacent prefabricated uplift piles are connected by a connecting device; when the prefabricated uplift pile 20 is connected up and down, after the positioning pin on the upper prefabricated uplift pile 20 is aligned and connected with the positioning hole on the end plate 11 of the lower prefabricated uplift pile 20 in place, the connecting plate 13 is installed, then the connecting plate 13 is fixedly connected through the bolt 14, one end of the connecting plate 13 is fixedly connected with the connecting hole on the apron plate on the upper prefabricated uplift pile 20, and the other end of one end of the connecting plate 13 is fixedly connected with the connecting hole on the apron plate on the lower prefabricated uplift pile 20. Therefore, the upper prefabricated uplift pile 20 and the lower prefabricated uplift pile 20 can be fixedly connected by fixedly tightening the bolts 14.
In the above embodiment, compared with a common connecting pile, the connecting mode of the prefabricated uplift pile connecting device is quick and convenient to install, clear in stress path, stronger in uplift resistance, and safer and more reliable. When the prefabricated uplift pile 20 is tensioned, the prestressed steel bars 21 are connected with the steel bar sleeves 111 pre-embedded in the prefabricated uplift pile 20, the end plates 11 on the horizontal plane of the pile hoops 10 do not bear tensioning acting force, and the steel consumption of the common pile end plates 11 can be saved, so that the steel consumption of the pile is saved, and the production cost of the pile is effectively reduced under the condition of not influencing the quality of the pile.
After the pile hoop 10 and the prefabricated uplift pile 20 are connected to form a pile, the end plate 11 at the horizontal plane of the pile hoop 10 is connected with the prestressed reinforcement 21 through the prestressed reinforcement sleeve 111, so that under the action of external tension, the separation of the pile skirt plate 12 on the side surface of the pile hoop 10 from the concrete pile body can be effectively avoided, the prestressed reinforcement 21 serves as an effective carrier for finally bearing tension, and the tensile bearing capacity of the uplift pile is greatly improved.
As shown in fig. 5 and 6, in some embodiments, the end plate 11 and the skirt 12 are fixedly connected by welding.
In this embodiment, the end plate 11 and the skirt panel 12 may be made of the same metal material or alloy material, the end plate 11 and the skirt panel 12 are fixedly welded by an existing welding process, and the end plate 11 and the skirt panel 12 are fixedly welded, so that the integrity and the connection strength of the end plate 11 and the skirt panel 12 can be ensured.
In some embodiments, the end plate 11 and the skirt panel 12 are made of steel plate, and the thickness of the end plate 11 and the skirt panel 12 is equal.
In this embodiment, the end plate 11 and the skirt plate 12 are made of steel plate, and the end plate 11 and the skirt plate 12 have the same thickness, so that the overall structural strength of the pile hoop 10 can be secured.
In some embodiments, the inner side of the end plate 11 and the inner side of the skirt 12 are provided with stiffening ribs, one side of which is welded to the end plate 11 and the other side of which is welded to the skirt 12.
In this embodiment, the stiffening ribs may be made of metal such as steel, and the stiffening ribs may be triangular plate-shaped structures, and the stiffening ribs can improve the connection strength between the end plate 11 and the skirt plate 12, and ensure the overall structural strength of the pile hoop 10.
As shown in fig. 7 and 8, in some embodiments, a nut is embedded inside the connecting hole 121, and the nut is welded and fixed to the skirt 12.
Preferably, the nut is a closed hexagon nut. The closed hexagon nut can prevent concrete slurry from entering the connecting hole 121 to block the connecting hole 121. The application is not limited to the use of a closed hexagon nut in the connection hole 121, and in other embodiments, other types of nuts may be fixed in the connection hole 121.
In some embodiments, the precast uplift pile comprises concrete and prestressed reinforcement 21 arranged in the concrete, and the cross section of the precast uplift pile 20 is square, circular or polygonal.
As shown in fig. 1, the prefabricated uplift pile 20 is a square pile, and the cross section of the prefabricated uplift pile 20 is square. In other embodiments, the prefabricated uplift pile 20 may be a circular pile, a pentagonal pile, a hexagonal pile, or a regular polygonal pile.
In some embodiments, as shown in fig. 1 and 9, the prefabricated uplift pile 20 is a square pile, the prefabricated uplift pile 20 has four sides, and each side plate is provided with two or more connecting plates 13.
In another embodiment, a prefabricated uplift pile is provided. As shown in fig. 1, the prefabricated uplift pile comprises a pile body (i.e. the body of the prefabricated uplift pile 20) and a connecting device, wherein the connecting device is arranged at the end part of the pile body and is used for fixedly connecting two adjacent pile bodies, and the connecting device is the prefabricated uplift pile connecting device according to any one of the above embodiments.
In some embodiments, the prefabricated uplift pile 20 is a square pile, the prefabricated uplift pile 20 has four sides, and each side plate is provided with two or more connecting plates 13.
In the above embodiment, compared with a common connecting pile, the connecting mode of the prefabricated uplift pile connecting device is rapid and convenient to install, clear in stress path, stronger in uplift resistance, and safer and more reliable. When the prefabricated uplift pile 20 is tensioned, the prestressed steel bars 21 are connected with the steel bar sleeves 111 pre-embedded in the prefabricated uplift pile 20, the end plates 11 on the horizontal plane of the pile hoops 10 do not bear tensioning acting force, and the steel consumption of the common pile end plates 11 can be saved, so that the steel consumption of the pile is saved, and the production cost of the pile is effectively reduced under the condition of not influencing the quality of the pile.
After the pile hoop 10 and the prefabricated uplift pile 20 are connected to form a pile, the end plate 11 at the horizontal plane of the pile hoop 10 is connected with the prestressed reinforcement 21 through the prestressed reinforcement sleeve 111, so that under the action of external tension, the separation of the pile skirt plate 12 on the side surface of the pile hoop 10 from the concrete pile body can be effectively avoided, the prestressed reinforcement 21 serves as an effective carrier for finally bearing tension, and the tensile bearing capacity of the uplift pile is greatly improved.
Finally, it should be noted that, although the above embodiments have been described in the text and drawings of the present application, the scope of the patent protection of the present application is not limited thereby. All technical solutions which are generated by replacing or modifying the equivalent structure or the equivalent flow according to the contents described in the text and the drawings of the present application, and which are directly or indirectly implemented in other related technical fields, are included in the scope of protection of the present application.
Claims (10)
1. A prefabricated uplift pile connecting device is characterized by comprising: pile hoops and more than two connecting plates;
the pile hoop comprises an end plate and an apron plate, the end plate is fixedly arranged at the end part of the prefabricated uplift pile, more than two steel bar sleeves are pre-embedded in the inner side of the end plate, one end of each steel bar sleeve is connected with a prestressed steel bar in the prefabricated uplift pile, and the other end of each steel bar sleeve penetrates through the end plate and is used for fixedly connecting the prestressed steel bar of the other prefabricated uplift pile;
the apron board is fixed on the edge of the end plate in a surrounding mode and wraps the outer wall of the prefabricated uplift pile, and the apron board is provided with a connecting hole;
the connecting plate is fixedly connected with the skirtboards on the two adjacent prefabricated uplift piles, so that the two adjacent prefabricated uplift piles are fixedly connected.
2. The prefabricated uplift pile connection device according to claim 1, wherein the end plate and the skirt plate are fixedly connected by welding.
3. Prefabricated uplift pile connection device according to claim 1 or 2, wherein the end plates and the skirt plate are made of steel plates, the thickness of the end plates and the skirt plate being equal.
4. The prefabricated uplift pile connection device according to claim 3, wherein a stiffening rib is provided on an inner side of the end plate and an inner side of the skirt plate, one side of the stiffening rib is welded to the end plate, and the other side of the stiffening rib is welded to the skirt plate.
5. The prefabricated uplift pile connecting device as claimed in claim 1, wherein a nut is embedded inside the connecting hole, and the nut is welded and fixed with the skirt plate.
6. The prefabricated uplift pile connection device according to claim 5, wherein the nut is a closed hexagonal nut.
7. The prefabricated uplift pile connection device according to claim 1, wherein the steel bar sleeve is screwed or welded with the prestressed steel bar.
8. The prefabricated uplift pile connection device according to claim 1, wherein the prefabricated uplift pile comprises concrete and prestressed reinforcement arranged in the concrete, and the cross section of the prefabricated uplift pile is square, circular or polygonal.
9. A prefabricated uplift pile, which comprises a pile body and a connecting device, wherein the connecting device is arranged at the end part of the pile body and is used for fixedly connecting two adjacent pile bodies, and the connecting device is the prefabricated uplift pile connecting device as claimed in any one of claims 1 to 8.
10. Prefabricated uplift pile according to claim 9, wherein the prefabricated uplift pile is a square pile having four sides, two and an upper connecting plate being provided per side plate.
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| CN202111570557.5A CN114108605A (en) | 2021-12-21 | 2021-12-21 | Prefabricated uplift pile and connecting device |
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| CN202111570557.5A CN114108605A (en) | 2021-12-21 | 2021-12-21 | Prefabricated uplift pile and connecting device |
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| CN204753579U (en) * | 2015-06-04 | 2015-11-11 | 江苏山海建设工程有限公司 | Prestressing force concrete side stake tip lock solid cover quick -connect machanism |
| CN206204931U (en) * | 2016-09-18 | 2017-05-31 | 中船第九设计研究院工程有限公司 | A kind of precast concrete anti-pulling pipe piles |
| CN210177814U (en) * | 2019-03-22 | 2020-03-24 | 上海易拼利联建筑科技有限责任公司 | Single-sleeve double-spherical-surface nut offset rod connector |
| CN111576403A (en) * | 2020-05-20 | 2020-08-25 | 太原理工大学 | Sleeve end plate for realizing grouting connection and PHC tubular pile |
| CN211973473U (en) * | 2020-02-22 | 2020-11-20 | 周兆弟 | Stress rib connecting piece |
| CN112376556A (en) * | 2020-09-20 | 2021-02-19 | 张家港市岳晟源金属制品有限公司 | Prestressed concrete hollow square pile |
| CN112726584A (en) * | 2019-10-28 | 2021-04-30 | 周兆弟 | Connecting structure for prefabricated part, prefabricated part and prefabricated pile combination |
| CN213143041U (en) * | 2020-08-25 | 2021-05-07 | 无锡市建筑设计研究院有限责任公司 | Mechanical connection structure of prestressed reinforcement and anti-pulling anchor reinforcing steel bar |
| CN213836630U (en) * | 2020-11-04 | 2021-07-30 | 福建中拓建材有限公司 | Concrete precast pile and connection structure of concrete precast pile |
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| CN203701087U (en) * | 2014-01-29 | 2014-07-09 | 中国民航大学 | Prestressed concrete uplift pipe pile |
| CN204753579U (en) * | 2015-06-04 | 2015-11-11 | 江苏山海建设工程有限公司 | Prestressing force concrete side stake tip lock solid cover quick -connect machanism |
| CN206204931U (en) * | 2016-09-18 | 2017-05-31 | 中船第九设计研究院工程有限公司 | A kind of precast concrete anti-pulling pipe piles |
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| CN112726584A (en) * | 2019-10-28 | 2021-04-30 | 周兆弟 | Connecting structure for prefabricated part, prefabricated part and prefabricated pile combination |
| CN211973473U (en) * | 2020-02-22 | 2020-11-20 | 周兆弟 | Stress rib connecting piece |
| CN111576403A (en) * | 2020-05-20 | 2020-08-25 | 太原理工大学 | Sleeve end plate for realizing grouting connection and PHC tubular pile |
| CN213143041U (en) * | 2020-08-25 | 2021-05-07 | 无锡市建筑设计研究院有限责任公司 | Mechanical connection structure of prestressed reinforcement and anti-pulling anchor reinforcing steel bar |
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