CN215925950U - Pressure-bearing type uplift pile precast pile connecting structure - Google Patents
Pressure-bearing type uplift pile precast pile connecting structure Download PDFInfo
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- CN215925950U CN215925950U CN202122374630.3U CN202122374630U CN215925950U CN 215925950 U CN215925950 U CN 215925950U CN 202122374630 U CN202122374630 U CN 202122374630U CN 215925950 U CN215925950 U CN 215925950U
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Abstract
The utility model provides a pressure-bearing type uplift pile precast pile connecting structure, wherein a plurality of sections of concrete pile bodies support a bearing platform, a second section of concrete pile body butted with a first section of concrete pile body connected with the bearing platform is provided with a pressure-bearing surface, the pressure-bearing surface is provided with a plurality of threaded sleeves, and the threaded sleeves are connected with the inside of the bearing platform through connecting ribs. And the bearing surface is positioned on the anchoring plate butted with the first section of concrete pile body on the second section of concrete pile body. The utility model completely changes the stress state of the precast pile joint, changes the stress state from tension to compression, has the characteristics of simple structure, high uplift bearing capacity, low manufacturing cost and high construction efficiency, and effectively avoids the damage of the joint caused by tension due to insufficient joint construction quality.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a pressure-bearing type uplift pile precast pile connecting structure.
Background
The quantity of the concrete precast piles used in the fields of industrial and civil buildings, railways, highways, municipal works and the like is more and more, the proportion of the precast piles used for pile foundation pulling resistance is more than 20 percent, for the prefabricated pile used for foundation uplift resistance, the connection problem of the pile and the connection problem of the pile top and the bearing platform need to be mainly solved, the connection mode adopted at present for connecting the piles mainly comprises end plate welding or mechanical connection, and the stress at the connection part is pulled no matter the welding connection or the mechanical connection is adopted, so that the construction requirement on the joint is very high, wherein the welding connection mode is greatly influenced by weather and level difference of field pile foundation constructors, meanwhile, the technical level requirement on constructors is high, the quality difference of welding between piles is large, the welding quality is difficult to control, and potential safety hazards exist in a connecting structure at the pile head of the precast pile easily.
The quality of welding directly influences the use of concrete members, which can cause potential safety hazards to engineering. On the other hand, the welding mode needs longer time, particularly for a large-diameter (more than 800mm in diameter) or large-side length (more than 500mm in side length) concrete member, the welding construction time of the pile head and the pile head exceeds 30 minutes, and meanwhile, about 8-10 minutes of cooling time is needed, so that the progress of the project is influenced, the workload of constructors is increased, and the construction efficiency is influenced. The mechanical connection joint device can ensure that the pile is free from welding when being installed on site, has the advantages of simple structure, high uplift bearing capacity, low manufacturing cost, high construction efficiency and the like, and can not fundamentally solve the problem that the stress of the joint is still pulled.
In actual engineering, the connection between the pile top and the bearing platform mainly comprises the steps that connecting reinforcing steel bars are installed on the pile top or after reinforced concrete core filling is carried out in an inner cavity of the hollow precast pile, the reinforcing steel bars are exposed and connected with the bearing platform, if the connection mode is greatly influenced by weather, the requirement on constructors is high, the core filling quality is difficult to guarantee, the whole building floats upwards due to the fact that core filling concrete is pulled out, and the safety of the building is damaged.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a pressure-bearing uplift pile precast pile connecting structure which can effectively improve the quality of pile head connection.
The present invention achieves the above-described object by the following technical means.
The utility model provides a bearing type uplift pile precast pile connection structure, a plurality of sections concrete pile body support cushion caps, are equipped with the bearing surface on the second section concrete pile body that the first section concrete pile body of being connected with the cushion caps butt joint, be equipped with a plurality of threaded sleeve on the bearing surface, be connected through the splice bar in threaded sleeve and the cushion caps.
Furthermore, the bearing surface is positioned on the anchoring plate butted with the first section of concrete pile body on the second section of concrete pile body.
Further, the threaded sleeve is installed on an anchoring plate at one end of the second section of concrete pile body and is positioned in the second section of concrete pile body; and the connecting rib penetrates through the cavity of the first section of concrete pile body and then is connected with the threaded sleeve.
Further, the threaded sleeve is installed on an anchoring plate at one end of the second section of concrete pile body and is positioned in the second section of concrete pile body; and the connecting rib penetrates through the pile body of the first section of concrete pile body and then is connected with the threaded sleeve.
Further, the anchor plate of second section concrete pile body one end is gone up the equipartition and is equipped with the step hole, the screw sleeve is installed on the step hole, the splice bar passes the step hole and is connected with the screw sleeve.
Further, the length of the thread in the threaded sleeve is greater than 10 cm.
Furthermore, each section of concrete pile body is internally provided with an anchoring rib, one end of the anchoring rib is installed on the anchoring plate, and the other end of the anchoring rib is located inside the concrete pile body.
The utility model provides a bearing type uplift pile precast pile connection structure, a plurality of sections concrete pile body support cushion cap is equipped with the bearing surface on the arbitrary section concrete pile body in below of the first section concrete pile body of being connected with the cushion cap, be equipped with a plurality of threaded sleeve on the bearing surface, be connected through the splice bar in threaded sleeve and the cushion cap.
Further, a reaction plate is arranged in a cavity of any one concrete pile below the first concrete pile, a secondary grouting area is formed between one side of the reaction plate and an anchoring plate of any one concrete pile, a plurality of threaded sleeves are arranged on the other side of the reaction plate, and the connecting ribs penetrate through the cavities of the plurality of concrete piles and the secondary grouting area and then are connected with the threaded sleeves; concrete is arranged in the secondary grouting area.
Further, the concrete strength grade in the secondary grouting area is not lower than C40.
Further, the reaction plate is evenly provided with step holes, the threaded sleeves are installed on the step holes, and the connecting ribs penetrate through the step holes to be connected with the threaded sleeves.
Further, the length of the thread in the threaded sleeve is greater than 10 cm.
Furthermore, each section of concrete pile body is internally provided with an anchoring rib, one end of the anchoring rib is installed on the anchoring plate, and the other end of the anchoring rib is located inside the concrete pile body.
The utility model has the beneficial effects that:
1. according to the pressure-bearing type uplift pile precast pile connecting structure, the bearing surface is arranged on the second concrete pile body butted with the first concrete pile body connected with the bearing platform or on any one section of concrete pile body below the first concrete pile body connected with the bearing platform, so that the stress state of the precast pile connecting position is completely changed, the precast pile is changed from tension to compression, and the pressure-bearing type uplift pile connecting structure has the characteristics of simple structure, high uplift bearing capacity, low manufacturing cost and high construction efficiency, and effectively avoids the damage of the joint caused by tension due to insufficient joint construction quality.
2. According to the pressure-bearing uplift pile precast pile connecting structure, the threaded sleeve is arranged in the body or the cavity of the concrete pile body, so that the reinforcing steel bars connected with the bearing platform can be installed more conveniently on site.
3. The pressure-bearing uplift pile precast pile connecting structure can avoid reinforced concrete core filling, greatly reduce the construction strength and reduce the construction cost.
Drawings
Fig. 1 is a schematic view of a connection structure of a pressure-bearing uplift pile precast pile according to embodiment 1 of the present invention.
Fig. 2 is a schematic view of a connection structure of a pressure-bearing uplift pile precast pile in embodiment 2 of the present invention.
FIG. 3 is a cross-sectional view of an anchorage plate according to the present invention.
Fig. 4 is a schematic view of a connection structure of a pressure-bearing uplift pile precast pile according to embodiment 3 of the utility model.
Fig. 5 is a schematic view of a construction method of a pressure-bearing type uplift pile precast pile connection structure according to embodiment 1 of the present invention, wherein fig. 5a, fig. 5b, fig. 5c, fig. 5d, fig. 5e, and fig. 5f are specific construction sequence diagrams.
In the figure:
1-a bearing platform; 2-a threaded sleeve; 3-connecting ribs; 4-a stepped bore; 5-a first section of concrete pile body; 6-second section of concrete pile body; 5-1-a first anchor plate; 6-1-a second anchor plate; 7-anchoring ribs; 8-reaction plate.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples, but the scope of the utility model is not limited thereto.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In embodiment 1 of the present invention, as shown in fig. 1, a plurality of concrete pile sections support a bearing platform 1, the bearing platform 1 is connected to a first concrete pile section 5, the first concrete pile section 5 is butted with a second concrete pile section 6, a first anchoring plate 5-1 on the first concrete pile section 5 is welded or mechanically connected to a second anchoring plate 6-1 on the second concrete pile section 6, and the second anchoring plate 6-1 of the second concrete pile section 6 is a pressure bearing surface. The threaded sleeve 2 is arranged on the second anchoring plate 6-1, and the threaded sleeve 2 is positioned in a cavity of the second concrete pile body 6; the connecting rib 3 penetrates through the cavity of the first section of concrete pile body 5 and then is connected with the threaded sleeve 2. As shown in fig. 3, step holes 4 are uniformly distributed in the second anchoring plate 6-1, the threaded sleeves 2 are mounted in the step holes 4, and the connecting ribs 3 penetrate through the step holes 4 and are connected with the threaded sleeves 2. The length of the thread in the threaded sleeve 2 is greater than 10 cm. After the connecting rib 3 penetrates through the inner cavity of the first section of concrete pile body 5, the connecting rib 3 exposed out of the top end part of the first section of concrete pile body 5 is connected with the bearing platform 1, and the pressure-bearing type uplift precast pile connecting structure is formed integrally. The first anchoring plate 5-1 is provided with a rib penetrating hole, and the connecting rib 3 penetrates through the rib penetrating hole and the step hole 4 to be connected with the threaded sleeve 2. As shown in fig. 1, each section of concrete pile body is provided with an anchoring rib 7, one end of each anchoring rib 7 is installed on the anchoring plate, the other end of each anchoring rib 7 is located inside the concrete pile body, and when the concrete pile body shakes in extreme weather, the anchoring ribs 7 can bear certain tensile force.
Fig. 5 is a construction method of the pressure-bearing type uplift pile precast pile connection structure according to embodiment 1, including the following steps:
when the second section of concrete pile body 6 is produced, the threaded sleeve 2 is installed on the anchoring plate at one end of the second section of concrete pile body 6, and the threaded sleeve 2 is located in the cavity of the second section of concrete pile body 6. But for the convenience of construction site, the threaded sleeves 2 can be installed in all the concrete pile bodies. When the concrete pile body is produced, one end of the anchoring rib 7 is installed on the anchoring plate, and the other end of the anchoring rib is embedded in the pile body.
As shown in fig. 5a, one end of the second concrete pile 6 is exposed out of the position of 0.5 m-1.0 m of the installation surface of the bearing platform 1 through construction;
as shown in fig. 5b and 5c, the first concrete pile 5 is lifted above the second concrete pile 6, and one end of at least 2 connecting ribs 3 passes through the cavity of the first concrete pile 5 to be connected with the threaded sleeve 2 on the second concrete pile 6; when the connecting ribs 3 are installed, the first concrete pile 5 is supported and fixed through a tool and used for preventing the first concrete pile 5 from falling off in the process of connecting the threaded sleeve 2 and the connecting ribs 3 and hitting operators under construction;
as shown in fig. 5d, the first concrete pile 5 is butted with the second concrete pile 6, and welding or mechanical connection can be adopted; as shown in fig. 5e, the first section of concrete pile 5 and the second section of concrete pile 6 after butt joint are constructed to the designed elevation;
as shown in fig. 5f, installing the bearing platform 1, and connecting the other end of the connecting rib 3 with the bearing platform 1, so as to realize the connection of the precast pile and the bearing platform; if the connecting rib is lower than the pile top of the first section of concrete pile body 5, the threaded sleeve can be adopted for connection so as to meet the length requirement of anchoring with the bearing platform. If the length of the connecting rib 3 extending out of the pile top of the first section of concrete pile body 5 meets the requirement of the anchoring length with the bearing platform, the threaded sleeve connecting reinforcing steel bar is not adopted. If the length of the connecting rib is too long to affect the construction, the excessive reinforcing steel bars can be cut off and then connected with the bearing platform.
In embodiment 2 of the present invention, as shown in fig. 2, a plurality of concrete pile sections support a bearing platform 1, the bearing platform 1 is connected to a first concrete pile section 5, the first concrete pile section 5 is butted with a second concrete pile section 6, a first anchoring plate 5-1 on the first concrete pile section 5 is welded or mechanically connected to a second anchoring plate 6-1 on the second concrete pile section 6, and the second anchoring plate 6-1 of the second concrete pile section 6 is a pressure bearing surface. The threaded sleeve 2 is installed on the second anchoring plate 6-1, and the threaded sleeve 2 is embedded in the pile body of the second section of concrete pile body 6; the connecting rib 3 penetrates through the pile body of the first section of concrete pile body 5 and then is connected with the threaded sleeve 2. The first section of concrete pile body 5 is provided with a plurality of through holes for enabling the connecting ribs 3 to penetrate through the first section of concrete pile body 5. As shown in fig. 3, step holes 4 are uniformly distributed in the second anchoring plate 6-1, the threaded sleeves 2 are mounted in the step holes 4, and the connecting ribs 3 penetrate through the step holes 4 and are connected with the threaded sleeves 2. The length of the thread in the threaded sleeve 2 is greater than 10 cm. After the connecting rib 3 runs through the pile body of the first section of concrete pile body 5, the connecting rib 3 exposed out of the top end part of the first section of concrete pile body 5 is connected with the bearing platform 1, and the pressure-bearing type uplift precast pile connecting structure is formed integrally. The first anchoring plate 5-1 is provided with a rib penetrating hole, and the connecting rib 3 penetrates through the rib penetrating hole and the step hole 4 to be connected with the threaded sleeve 2. As shown in fig. 2, each section of concrete pile body is provided with an anchoring rib 7, one end of each anchoring rib 7 is installed on the anchoring plate, the other end of each anchoring rib 7 is located inside the concrete pile body, and when the concrete pile body shakes in extreme weather, the anchoring ribs 7 can bear certain tensile force.
The construction method of the pressure-bearing uplift pile precast pile connection structure according to embodiment 2 includes the following steps:
when a second section of concrete pile body 6 is produced, a threaded sleeve 2 is arranged on an anchoring plate at one end of the second section of concrete pile body 6, and the threaded sleeve 2 is positioned in the pile body of the second section of concrete pile body 6; in the production process of the first section of concrete pile body 5, a plurality of through holes are arranged in the pile body of the first section of concrete pile body 5, and one end of the connecting rib 3 penetrates through the through hole of the first section of concrete pile body 5 to be connected with the threaded sleeve 2. When the concrete pile body is produced, one end of the anchoring rib 7 is installed on the anchoring plate, and the other end of the anchoring rib is embedded in the pile body.
One end of the second section of concrete pile body 6 is exposed out of the position of 0.5-1.0 m of the mounting surface of the bearing platform 1 through construction;
the first section of concrete pile body 5 is lifted to the upper side of the second section of concrete pile body 6, and one end of at least 2 connecting ribs 3 passes through the through hole of the first section of concrete pile body 5 to be connected with the threaded sleeve 2 on the second section of concrete pile body 6; when the connecting ribs 3 are installed, the first concrete pile 5 is supported and fixed through a tool and used for preventing the first concrete pile 5 from falling off in the process of connecting the threaded sleeve 2 and the connecting ribs 3 and hitting operators under construction;
the first section of concrete pile body 5 is butted with the second section of concrete pile body 6, and welding or mechanical connection can be adopted; constructing the first section of concrete pile body 5 and the second section of concrete pile body 6 which are butted to a designed elevation;
installing the bearing platform 1, and connecting the other end of the connecting rib 3 with the bearing platform 1, so that the precast pile is connected with the bearing platform; if the connecting rib is lower than the pile top of the first section of concrete pile body 5, the threaded sleeve can be adopted for connection so as to meet the length requirement of anchoring with the bearing platform. If the length of the connecting rib 3 extending out of the pile top of the first section of concrete pile body 5 meets the requirement of the anchoring length with the bearing platform, the threaded sleeve connecting reinforcing steel bar is not adopted. If the length of the connecting rib is too long to affect the construction, the excessive reinforcing steel bars can be cut off and then connected with the bearing platform.
In embodiment 3 of the utility model, a plurality of concrete pile bodies support a bearing platform 1, the bearing platform 1 is connected with a first concrete pile body 5, a bearing surface is arranged on any one concrete pile body below the first concrete pile body 5 connected with the bearing platform 1, a plurality of threaded sleeves 2 are arranged on the bearing surface, and the threaded sleeves 2 are connected with the inside of the bearing platform 1 through connecting ribs 3. And setting any one section of concrete pile body as the Nth section of concrete pile body, wherein N is more than 1. As shown in fig. 4, taking N ═ 2 as an example, a reaction plate 8 is installed in the cavity of the second section of concrete pile 6, a secondary grouting area is formed between one side of the reaction plate 8 and the second anchoring plate 6-1 of the second section of concrete pile 6, a plurality of threaded sleeves 2 are arranged on the other side of the reaction plate 8, and the connecting ribs 3 penetrate through the cavity of the first concrete pile 5 above the second section of concrete pile 6 and the secondary grouting area and then are connected with the threaded sleeves 2; concrete is arranged in the secondary grouting area. And the strength grade of concrete in the secondary grouting area is not lower than C40. The reaction plate 8 is evenly provided with step holes 4, the threaded sleeve 2 is arranged on the step holes 4, and the connecting ribs 3 penetrate through the step holes 4 to be connected with the threaded sleeve 2. The length of the thread in the threaded sleeve 2 is greater than 10 cm. As shown in fig. 4, each section of concrete pile is provided with an anchoring rib 7, one end of each anchoring rib 7 is installed on the anchoring plate, the other end of each anchoring rib 7 is located inside the concrete pile, and when the concrete pile shakes in extreme weather, the anchoring ribs 7 can bear certain tensile force.
The construction method of the pressure-bearing uplift pile precast pile connection structure according to embodiment 3 includes the following steps:
the other side of the reaction plate 8 is provided with a threaded sleeve 2, and one end of the connecting rib 3 is connected with the threaded sleeve 2; when the concrete pile body is produced, one end of the anchoring rib 7 is installed on the anchoring plate, and the other end of the anchoring rib is embedded in the pile body.
One end of the first section of concrete pile body 5 is exposed out of the mounting surface of the bearing platform 1 through construction;
placing an assembly part of a reaction plate 8 and a connecting rib 3 in a set concrete pile body cavity, pouring concrete in a secondary grouting area between one side of the reaction plate 8 and an anchoring plate of a set concrete pile body, and fixing the reaction plate 8 through solidification of the concrete; scales can be set on the connecting ribs 3 to ensure the length of the connected steel bars entering the precast pile;
constructing the first section of concrete pile body 5 to a designed elevation;
installing the bearing platform 1, and connecting the other end of the connecting rib 3 with the bearing platform 1, so that the precast pile is connected with the bearing platform; if the connecting rib is lower than the pile top of the first section of concrete pile body 5, the threaded sleeve can be adopted for connection so as to meet the length requirement of anchoring with the bearing platform. If the length of the connecting rib 3 extending out of the pile top of the first section of concrete pile body 5 meets the requirement of the anchoring length with the bearing platform, the threaded sleeve connecting reinforcing steel bar is not adopted. If the length of the connecting rib is too long to affect the construction, the excessive reinforcing steel bars can be cut off and then connected with the bearing platform.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (13)
1. The utility model provides a bearing type uplift pile precast pile connection structure, a plurality of sections concrete pile body support cushion cap (1), its characterized in that is equipped with the bearing surface on second section concrete pile body (6) that first section concrete pile body (5) of being connected with cushion cap (1) butt joint, be equipped with a plurality of threaded sleeve (2) on the bearing surface, be connected through splice bar (3) in threaded sleeve (2) and cushion cap (1).
2. A pressure-bearing uplift pile precast pile connection structure according to claim 1, wherein the pressure-bearing surface is located on an anchoring plate on the second concrete pile body (6) which is butted with the first concrete pile body (5).
3. A pressure-bearing type anti-pulling pile precast pile connecting structure according to claim 2, characterized in that the threaded sleeve (2) is installed on the anchoring plate at one end of the second section of concrete pile body (6), and the threaded sleeve (2) is located in the cavity of the second section of concrete pile body (6); the connecting rib (3) penetrates through the cavity of the first section of concrete pile body (5) and then is connected with the threaded sleeve (2).
4. A pressure-bearing type anti-pulling pile precast pile connecting structure according to claim 2, characterized in that the threaded sleeve (2) is installed on the anchoring plate at one end of the second section of concrete pile body (6), and the threaded sleeve (2) is located in the pile body of the second section of concrete pile body (6); the connecting ribs (3) penetrate through the pile body of the first section of concrete pile body (5) and then are connected with the threaded sleeve (2).
5. A pressure-bearing anti-floating pile precast pile connecting structure according to claim 3 or 4, characterized in that stepped holes (4) are uniformly distributed on the anchoring plate at one end of the second section of concrete pile body (6), the threaded sleeve (2) is installed on the stepped holes (4), and the connecting rib (3) passes through the stepped holes (4) to be connected with the threaded sleeve (2).
6. A pressure-bearing uplift pile precast pile connection structure according to claim 3 or 4, wherein the length of the thread in the threaded sleeve (2) is more than 10 cm.
7. A pressure-bearing type anti-floating pile precast pile connection structure according to claim 1, characterized in that an anchoring rib (7) is arranged in each section of the concrete pile body, one end of the anchoring rib (7) is installed on an anchoring plate, and the other end of the anchoring rib (7) is located inside the concrete pile body.
8. The utility model provides a bearing type uplift pile precast pile connection structure, a plurality of sections concrete pile body support cushion cap (1), its characterized in that is equipped with the bearing surface on the arbitrary section concrete pile body in below of the first section concrete pile body (5) of being connected with cushion cap (1), be equipped with a plurality of screw sleeve (2) on the bearing surface, be connected through splice bar (3) in screw sleeve (2) and cushion cap (1).
9. The pressure-bearing type anti-pulling pile precast pile connecting structure according to claim 8, characterized in that a reaction plate (8) is installed in a cavity of any one concrete pile below a first concrete pile (5), a secondary grouting area is formed between one side of the reaction plate (8) and an anchoring plate of any one concrete pile, a plurality of threaded sleeves (2) are arranged on the other side of the reaction plate (8), and the connecting ribs (3) penetrate through the cavities of the plurality of concrete piles (5) and the secondary grouting area and then are connected with the threaded sleeves (2); concrete is arranged in the secondary grouting area.
10. A pressure-bearing type uplift pile precast pile connection structure according to claim 9, wherein the concrete strength grade in the secondary grouting region is not lower than C40.
11. The pressure-bearing type uplift pile precast pile connecting structure according to claim 9, wherein step holes (4) are uniformly distributed on the reaction plate (8), the threaded sleeve (2) is installed on the step holes (4), and the connecting ribs (3) penetrate through the step holes (4) to be connected with the threaded sleeve (2).
12. A pressure-bearing uplift pile precast pile connection structure according to claim 9, wherein the length of the thread in the threaded sleeve (2) is more than 10 cm.
13. The pressure-bearing type uplift pile precast pile connecting structure according to claim 8, wherein each section of the concrete pile body is provided with an anchoring rib (7), one end of the anchoring rib (7) is installed on an anchoring plate, and the other end of the anchoring rib (7) is located inside the concrete pile body.
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| CN113818428A (en) * | 2021-09-29 | 2021-12-21 | 建华建材（中国）有限公司 | Pressure-bearing uplift pile precast pile connecting structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113818428A (en) * | 2021-09-29 | 2021-12-21 | 建华建材（中国）有限公司 | Pressure-bearing uplift pile precast pile connecting structure and construction method thereof |
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