Reinforced CFG pile composite foundation
By setting reinforcing bars and strengthening components inside the CFG piles, a stable structural frame is formed, which solves the problem of excessive bending moment in the pile body, improves the stability and bearing capacity of the foundation, and adapts to complex geological conditions.
Patent Information
- Application Number
- CN202423185532.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-24
AI Technical Summary
The lack of reinforcement in CFG piles leads to excessive bending moment in the pile body, causing some piles to lose their bearing capacity and affecting the stability and bearing capacity of the foundation.
Reinforcing ribs and reinforcing members are installed inside the CFG pile, including transverse and longitudinal connecting ribs, columns, cross reinforcing ribs and circular reinforcing ribs, to form a stable structural frame. The uniform distribution of ribs and uniform load transfer are ensured by strengthening and fixing the columns.
It improves the overall stiffness and bearing capacity of CFG piles, reduces local stress concentration, enhances the stability and deformation resistance of the foundation, and adapts to complex geological conditions.
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Figure CN223607844U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of building construction, especially relates to a reinforced CFG pile composite foundation. BACKGROUND
[0002] CFG pile is the abbreviation of cement fly ash gravel pile, which is formed by cement, fly ash, gravel, stone chips or sand mixed with water to form high bonding strength pile.
[0003] At present, because the shearing strength of the foundation soil is low, the CFG pile is easy to cause the bending moment of the pile body due to the lack of reinforcement when bearing load, the bending moment of the pile body is too large, part of the pile body loses the bearing capacity, thereby losing the reinforcement effect on the foundation, which seriously affects the stability and bearing capacity of the foundation. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims at providing a reinforced CFG pile composite foundation to solve the problem that the CFG pile is easy to cause the bending moment of the pile body due to the lack of reinforcement, the bending moment of the pile body is too large, part of the pile body loses the bearing capacity, thereby losing the reinforcement effect on the foundation, which seriously affects the stability and bearing capacity of the foundation.
[0005] To achieve the above object, the technical scheme of the utility model is as follows:
[0006] The utility model provides a reinforced CFG pile composite foundation, which comprises a CFG pile, a reinforcing connecting rib and a reinforcing part, the CFG pile is internally provided with the reinforcing part, the CFG piles are connected through the reinforcing connecting part, the CFG piles are arranged in a square shape, the upper parts of the CFG piles are connected through the reinforcing connecting rib, the reinforcing connecting rib is provided with a plurality of layers, and the reinforcing connecting ribs of any upper and lower adjacent layers are connected through a stand column, the reinforcing part is uniformly provided with a plurality of layers in the CFG pile, the height of the reinforcing part is consistent with the height of the CFG pile, and the reinforcing part and the inner wall of the CFG pile are connected through a cross reinforcing rib.
[0007] Further, the reinforcing connecting rib comprises a horizontal connecting rib, a stand column and a vertical connecting rib, the horizontal connecting rib and the vertical connecting rib are connected with the side surface of the CFG pile, the stand column is arranged between the upper and lower two adjacent horizontal connecting ribs and the upper and lower two adjacent vertical connecting ribs, and the stand column is arranged in the middle part of the horizontal connecting rib and the middle part of the vertical connecting rib.
[0008] Further, the reinforcing member comprises a circular reinforcing rib, a cross reinforcing rib, a reinforcing fixed column, the circular reinforcing rib is connected with the cross reinforcing rib, the cross reinforcing rib comprises a first transverse reinforcing rib and a first longitudinal reinforcing rib, the first transverse reinforcing rib and the first longitudinal reinforcing rib are arranged perpendicularly to form a cross, the cross reinforcing rib is provided with a reinforcing fixed column at the connecting position with the circular reinforcing rib, the cross reinforcing rib is provided with a reinforcing fixed column support at the center fork, and the connecting members of the cross reinforcing rib and the circular reinforcing rib are evenly arranged in the CFG pile to form several layers.
[0009] Further, the height of the reinforcing fixed column is consistent with the height of the CFG pile.
[0010] Further, the interval between the CFG piles is 3-5 times of the outer diameter of the CFG pile.
[0011] Further, the reinforced CFG pile composite foundation further comprises a steel plate and a concrete layer, the concrete layer is arranged on the upper surface of the steel plate, the steel plate is connected with the top of the CFG pile, the CFG pile and the steel plate are arranged perpendicularly to each other, and the concrete layer adopts concrete with a strength of C30.
[0012] Compared with the prior art, the reinforced CFG pile composite foundation has the following advantages:
[0013] (1) The combination of the cross reinforcing rib and the circular reinforcing rib in the utility model can form a more stable structural frame, improve the overall rigidity and bearing capacity of the CFG pile, the reinforcing fixed column can ensure the uniform distribution of the cross reinforcing rib and the circular reinforcing rib in the pile, make the load be transmitted more uniformly in the pile body, reduce local stress concentration, and prevent displacement in the pouring and use processes. The combination of the cross reinforcing rib, the circular reinforcing rib and the reinforcing fixed column can form an integral reinforcing system, and improve the overall stability of the CFG pile.
[0014] (2) The combination of the transverse connecting rib and the longitudinal connecting rib in the utility model can form a more stable structural frame, improve the overall rigidity and bearing capacity of the CFG pile, and the column ensures the connection and support of the upper and lower two layers of reinforcing ribs, so that the load is transmitted more uniformly in the pile body, local stress concentration is reduced, in the soft foundation, the column can provide additional support, enhance the stability of the pile, and reduce settlement and deformation. The reinforcing connecting rib improves the performance of the CFG pile in the complex environment such as soft foundation and high groundwater level, and ensures that the CFG pile can adapt to various complex geological conditions. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings, which form a part of this patent, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. The drawings illustrate only exemplary embodiments of the application and, therefore, are not to be considered limiting the application, the scope of which is to be afforded the broadest interpretation of the appended claims and any equivalents thereof.
[0016] In the drawings:
[0017] Fig. 1 A schematic view of the reinforced CFG pile composite foundation according to the embodiment of the application;
[0018] Fig. 2 A schematic view of the CFG pile of the reinforced CFG pile composite foundation according to the embodiment of the application;
[0019] Fig. 3 A schematic view of the reinforced CFG pile composite foundation according to the embodiment of the application when a steel plate and a concrete layer are added.
[0020] Explanation of reference signs:
[0021] 1, CFG pile; 2, reinforcing fixed column; 3, round reinforcing rib; 4, cross reinforcing rib; 5, transverse connecting rib; 6, stand column; 7, longitudinal connecting rib; 8, steel plate; 9, concrete layer. DETAILED DESCRIPTION
[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0023] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0024] In the description of the utility model, it is necessary to explain, unless there is definite stipulation and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through intermediate medium indirectly connect, can be two element inside intercommunication, for ordinary skilled person in the art, the above-mentioned term can be understood the specific meaning in the utility model through specific circumstances.
[0025] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.
[0026] Referring to Figs. 1-3 As shown in the figure, the embodiment provides a reinforced CFG pile composite foundation, comprising, CFG pile 1, reinforcing connecting rib, reinforcing part, the inside of CFG pile 1 is equipped with reinforcing part, CFG pile 1 is connected through reinforcing connecting piece between CFG pile 1, CFG pile 1 is equipped with several and square arrangement, the upper part of CFG pile 1 is connected through reinforcing connecting rib between CFG pile 1, reinforcing connecting rib is equipped with several layers, and the reinforcing connecting rib of any upper and lower adjacent layer is connected through stand 6;Reinforcing part is uniformly equipped with several layers in CFG pile 1, and the height of reinforcing part is consistent with the height of CFG pile 1, and the inner wall of reinforcing part and CFG pile 1 is connected through cross reinforcing rib 4.
[0027] Specifically, in the embodiment, the reinforcing connecting rib includes a horizontal connecting rib 5, a stand 6 and a vertical connecting rib 7, the horizontal connecting rib 5 and the vertical connecting rib 7 are connected to the side surface of the CFG pile 1, the stand 6 is arranged between the upper and lower adjacent horizontal connecting ribs 5 and between the upper and lower adjacent vertical connecting ribs 7, and the stand 6 is arranged at the middle part of the horizontal connecting rib 5 and the middle part of the vertical connecting rib 7.
[0028] Specifically, in the embodiment, the reinforcing part includes a circular reinforcing rib 3, a cross reinforcing rib 4 and a reinforcing fixed column 2, the circular reinforcing rib 3 is connected to the cross reinforcing rib 4, the cross reinforcing rib 4 includes a first horizontal reinforcing rib and a first vertical reinforcing rib, the first horizontal reinforcing rib and the first vertical reinforcing rib are arranged perpendicularly to form a cross, the reinforcing fixed column 2 is arranged at the connection position of the cross reinforcing rib and the circular reinforcing rib 3, the reinforcing fixed column 2 is arranged at the center fork of the cross reinforcing rib to support, and the connecting pieces of the cross reinforcing rib 4 and the circular reinforcing rib 3 are uniformly arranged in the CFG pile 1 to form several layers.
[0029] Specifically, in the embodiment, the height of the reinforcing fixed column 2 is consistent with the height of the CFG pile 1.
[0030] Specifically, in the embodiment, the distance between the CFG piles 1 is 3-5 times of the outer diameter of the CFG pile 1.
[0031] Specifically, in the embodiment, the reinforced CFG pile composite foundation further comprises a steel plate 8 and a concrete layer 9, the concrete layer 9 is located on the upper surface of the steel plate 8, the steel plate 8 is connected with the top of the CFG pile 1, the CFG pile 1 is arranged perpendicularly to the steel plate 8, and the concrete layer 9 is made of C30 strength concrete.
[0032] In the embodiment, the reinforcement needs to ensure that the inner wall of the CFG pile is flat, clean, free of sundries and loose concrete, and then the reinforcement is uniformly placed in the CFG pile, the cross reinforcement is fixed to the inner wall of the CFG pile to ensure the firmness of the connection. The combination of the cross reinforcement and the circular reinforcement can form a more stable structural framework, improve the overall rigidity and bearing capacity of the CFG pile, and the reinforcing column can ensure the uniform distribution of the cross reinforcement and the circular reinforcement in the pile, make the load more uniformly transmitted in the pile body, reduce local stress concentration, and prevent displacement during pouring and use.
[0033] The combination of the cross reinforcement and the circular reinforcement can form a more stable structural framework, improve the overall rigidity and bearing capacity of the CFG pile, and the reinforcing column can ensure the uniform distribution of the cross reinforcement and the circular reinforcement in the pile, make the load more uniformly transmitted in the pile body, reduce local stress concentration, and prevent displacement during pouring and use.
[0034] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A reinforced CFG pile composite foundation, characterized in that, The application relates to a reinforced CFG pile composite foundation, which comprises CFG piles (1), reinforcing connecting ribs and reinforcing members, the CFG piles (1) are internally provided with reinforcing members, the CFG piles (1) are connected through reinforcing connecting members, the CFG piles (1) are arranged in a square shape, the upper parts of the CFG piles (1) are connected through reinforcing connecting ribs, the reinforcing connecting ribs are provided with a plurality of layers, and any upper and lower adjacent layers of the reinforcing connecting ribs are connected through vertical columns (6); the reinforcing members are uniformly provided with a plurality of layers in the CFG piles (1), the height of the reinforcing members is consistent with the height of the CFG piles (1), and the reinforcing members and the inner walls of the CFG piles (1) are connected through cross reinforcing ribs (4).
2. The reinforced CFG pile composite foundation according to claim 1, characterized in that, The reinforcing connecting ribs comprise horizontal connecting ribs (5), vertical columns (6) and longitudinal connecting ribs (7), the horizontal connecting ribs (5) and the longitudinal connecting ribs (7) are connected with the side faces of the CFG piles (1), the vertical columns (6) are arranged between two adjacent horizontal connecting ribs (5) and between two adjacent longitudinal connecting ribs (7), and the vertical columns (6) are arranged in the middle parts of the horizontal connecting ribs (5) and the longitudinal connecting ribs (7).
3. The reinforced CFG pile composite foundation according to claim 1, characterized in that, The reinforcing members comprise circular reinforcing ribs (3), cross reinforcing ribs (4) and reinforcing fixed columns (2), the circular reinforcing ribs (3) are connected with the cross reinforcing ribs (4), the cross reinforcing ribs (4) comprise first horizontal reinforcing ribs and first longitudinal reinforcing ribs, the first horizontal reinforcing ribs and the first longitudinal reinforcing ribs are arranged perpendicularly to form a cross, reinforcing fixed columns (2) are arranged at the connecting positions of the cross reinforcing ribs and the circular reinforcing ribs (3), reinforcing fixed columns (2) are arranged at the central forks of the cross reinforcing ribs to support, and the connecting members of the cross reinforcing ribs (4) and the circular reinforcing ribs (3) are uniformly arranged in the CFG piles (1) to form a plurality of layers.
4. The reinforced CFG pile composite foundation according to claim 3, characterized in that, The height of the reinforcing fixed columns (2) is consistent with the height of the CFG piles (1).
5. The reinforced CFG pile composite foundation according to claim 1, characterized in that, The distance between the CFG piles (1) is 3-5 times the outer diameter of the CFG piles (1).
6. The reinforced CFG pile composite foundation according to claim 1, characterized in that, The reinforced CFG pile composite foundation further comprises steel plates (8) and a concrete layer (9), the concrete layer (9) is arranged on the upper surface of the steel plates (8), the steel plates (8) are connected with the top parts of the CFG piles (1), the CFG piles (1) and the steel plates (8) are arranged perpendicularly to each other, and the concrete layer (9) is made of C30 concrete.