Foundation reinforcing structure

By installing connectors and guides on the steel pipe piles, the problems of welding quality and butt joint verticality in low-clearance environments were solved, enabling high-quality steel pipe pile construction and ensuring the stability and construction efficiency of the foundation reinforcement structure.

CN223660908UActive Publication Date: 2025-12-12GUANGDONG QINGYUTANG CONSTR TECH CO LTD +1
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Patent Information

Application Number
CN202422918632.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-12
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

In low-headroom environments, traditional steel pipe pile construction methods struggle to guarantee welding quality and butt joint verticality, leading to unstable construction quality.

Method used

Connectors are used that fit onto the opposite parts of the steel pipe piles, and guides and anchors are installed on the steel pipe piles to ensure that the steel pipe piles can be accurately connected and welded in a low clearance environment, thereby improving construction quality and stability.

Benefits of technology

The design of connectors and guides ensures the welding quality and verticality of steel pipe piles in low-clearance environments, avoiding problems such as difficulty in guaranteeing welding quality and large docking deviations, and improving the stability and construction efficiency of foundation reinforcement structures.

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Abstract

The utility model discloses a foundation reinforcing structure which comprises a first reinforcing piece, a second reinforcing piece, a third reinforcing piece and a fourth reinforcing piece. One second reinforcing piece is arranged on the side, away from the guiding piece, of the first reinforcing piece, and the second reinforcing piece and the first reinforcing piece are opposite. According to the foundation reinforcing structure, by arranging the connecting pieces which are connected to the opposite portions of the first reinforcing pieces and the second reinforcing pieces and the outer sides of the end-to-end connecting portions of the multiple second reinforcing pieces in a sleeving mode, when a foundation is reinforced in the low clearance environment, the first reinforcing pieces and the second reinforcing pieces extend into the connecting pieces by a certain length, and then the first reinforcing pieces and the second reinforcing pieces can be fixed; and then welding is conducted, the welding quality and the butt-joint perpendicularity between the first reinforcing piece and the second reinforcing piece are guaranteed, and the situation that the welding quality is difficult to guarantee and the butt-joint perpendicularity deviation is large due to the fact that the connecting portion of the two steel pipe piles is directly welded is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of foundation reinforcement technology, specifically a foundation reinforcement structure. Background Technology

[0002] With the continuous advancement of urbanization, the requirements for the foundations of old and new buildings in cities are increasing. Due to changes in the building's function or insufficient load-bearing capacity, it is often necessary to reinforce the foundations of existing buildings. In foundation reinforcement projects, micro-steel pipe pile technology has gradually become an important foundation reinforcement method due to its advantages such as high efficiency, safety, and stable construction quality.

[0003] However, in urban centers or densely built-up areas, construction sites are often constrained by space, especially with limited building heights and low headroom, placing higher demands on construction equipment and processes. In such situations, traditional steel pipe pile construction methods are inadequate, necessitating the development of new construction techniques to meet practical needs. Steel pipe pile foundation construction technology within confined spaces has emerged in this context.

[0004] In existing technologies, the construction of steel pipe piles under low clearance conditions typically employs segmented fabrication and on-site welding. This method overcomes space constraints by cutting long steel pipe piles into multiple short segments, welding them one by one, and driving them into foundation holes. However, this method still presents some problems in practice, primarily the difficulty in ensuring the quality of on-site butt welding of two steel pipe pile sections and the large deviation in verticality of the butt joint. Utility Model Content

[0005] To address the problem that it is difficult to guarantee the welding quality and verticality of steel pipe piles during foundation reinforcement construction in low-clearance environments in existing technologies, this utility model provides a foundation reinforcement structure.

[0006] The foundation reinforcement structure disclosed in this utility model includes:

[0007] The first reinforcing member has a guide member connected to one end, and the guide member has a beveled portion at the end away from the first reinforcing member.

[0008] A second reinforcing member is disposed on the side of the first reinforcing member away from the guide member, and the two are opposite each other. Multiple second reinforcing members are connected end-to-end at the end of the second reinforcing member away from the first reinforcing member.

[0009] The connector is sleeved on the outside of the opposite parts of the first and second reinforcement members and the connecting parts of the multiple second reinforcement members, and is welded to both of them respectively.

[0010] Preferably, the lengths of the first and second reinforcing components are less than the clearance height.

[0011] Preferably, the outer diameter of the first and second reinforcing members is equal to the inner diameter of the connector.

[0012] Preferably, the guide is cross-shaped, and the beveled portion is located on the outer side of the guide away from the end of the first reinforcement member.

[0013] Preferably, a foundation reinforcement structure further includes anchors, and a plurality of the anchors are disposed on the inner side of the first reinforcement and the second reinforcement.

[0014] Preferably, the number of anchors is two.

[0015] Preferably, the end of the anchor that is away from the first reinforcement extends out of the second reinforcement.

[0016] Preferably, the portion of the anchor extending beyond the second reinforcement member is bent at a 90-degree angle.

[0017] Compared with the prior art, the present invention provides a foundation reinforcement structure, which has the following beneficial effects:

[0018] 1. This foundation reinforcement structure, by setting connectors that fit onto the opposite parts of the first and second reinforcement components and the outer sides of the joints of multiple second reinforcement components, allows for welding between the first and second reinforcement components after they have been inserted into the connectors for a certain length when reinforcing the foundation in a low-clearance environment. This ensures the welding quality and verticality of the first and second reinforcement components, and avoids the situation where welding quality is difficult to guarantee and verticality deviation is large due to direct welding of the joints of two steel pipe piles.

[0019] 2. The foundation reinforcement structure, by setting a cross-shaped guide with an inclined surface, guides the first reinforcement component when it is inserted into the foundation. This prevents the first reinforcement component from being placed tilted in the foundation hole, causing the lower end to get stuck on the side wall of the hole and requiring it to be lifted and lowered again. The inclined surface also reduces the contact area with the foundation, increasing the pressure on the bottom of the foundation hole, thereby pressing the first reinforcement component into the foundation to a sufficient depth and ensuring the stability of the reinforcement structure. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the connector structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the guide component structure of this utility model;

[0023] Figure 4 This is another structural schematic diagram of the guide component of this utility model.

[0024] In the attached figures, 1 is the first reinforcing member; 11 is the guide member; 111 is the inclined surface; 2 is the second reinforcing member; 3 is the connector; and 4 is the anchor. Detailed Implementation

[0025] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings.

[0026] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. This disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this disclosure. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0027] Reference Figures 1-2 , Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the connector structure of this utility model. A foundation reinforcement structure includes:

[0028] The first reinforcing member 1 has a guide member 11 connected to one end, and the guide member 11 has a beveled portion 111 at the end away from the first reinforcing member 1.

[0029] The second reinforcement 2 is disposed on the side of the first reinforcement 1 away from the guide member 11, and the two are opposite each other. Multiple second reinforcement 2 are connected end-to-end at the end of the second reinforcement 2 away from the first reinforcement 1.

[0030] The connector 3 is sleeved on the outer side of the opposite parts of the first reinforcement 1 and the second reinforcement 2, as well as the outer side of the joints of the second reinforcement 2, and is welded to both of them respectively.

[0031] Specifically, the parts where the first reinforcing member 1 and the second reinforcing member 2 are welded to the connector 3 are fully welded to ensure connection strength and stability.

[0032] This foundation reinforcement structure, by setting connectors that fit around the opposite parts of the first and second reinforcement components and the outer sides of the joints of multiple second reinforcement components, allows for welding between the first and second reinforcement components after they have been inserted into the connectors for a certain length when reinforcing the foundation in a low-clearance environment. This ensures the welding quality and perpendicularity between the first and second reinforcement components, avoiding the situation where welding quality is difficult to guarantee and perpendicularity deviation is large when welding the joints of two steel pipe piles directly.

[0033] Furthermore, the lengths of the first reinforcing member 1 and the second reinforcing member 2 are less than the clearance height. For example, if the clearance height is 2.5 meters, the steel pipe pile is cut into sections every 2 meters.

[0034] Specifically, the outer diameter of the first reinforcement 1 and the second reinforcement 2 is equal to the inner diameter of the connector 3, thereby ensuring that when the first reinforcement 1 and the second reinforcement 2 are connected by the connector 3, both the first reinforcement 1 and the second reinforcement 2 are inserted into the connector 3 for a certain length, and further, the first reinforcement 1 and the second reinforcement 2 are in a straight line.

[0035] Reference Figures 3-4 , Figure 3 This is a schematic diagram of the guide component structure of this utility model; Figure 4 This is another structural schematic diagram of the guide component of this utility model. The guide component 11 is cross-shaped, and the inclined portion 111 is located on the outer side of the guide component 11 away from the first reinforcing member 1.

[0036] Specifically, the guide component 11 is composed of a 10mm thick circular steel plate and three 16mm thick steel plates welded together. The bottom steel plate with a cross-shaped blade is fully welded to the lower end of the bottom steel pipe pile, and the height of the cross-shaped blade is 100mm. The guide component 11 helps the reinforced structure to be smoothly driven into the foundation.

[0037] This foundation reinforcement structure, by incorporating a cross-shaped guide with an inclined section, guides the first reinforcement component when it is inserted into the foundation. This prevents the first reinforcement component from being placed at an angle in the foundation hole, causing the lower end to get stuck on the side wall of the hole and requiring it to be lifted and lowered again. The inclined section also reduces the contact area with the foundation, increasing the pressure on the bottom of the foundation hole, thereby pressing the first reinforcement component into the foundation to a sufficient depth and ensuring the stability of the reinforcement structure.

[0038] A foundation reinforcement structure also includes anchors 4, with multiple anchors 4 disposed inside the first reinforcement 1 and the second reinforcement 2, thereby enhancing the strength of the reinforcement structure, and after concrete is poured inward, the first reinforcement 1 and the multiple second reinforcements 2 are further integrated into a whole.

[0039] Specifically, anchor 4 is made of threaded steel.

[0040] Preferably, there are two anchors 4, and the two anchors 4 are located at opposite positions inside the first reinforcement 1 and the second reinforcement 2, thereby further improving the strength of the processed structure.

[0041] The end of the anchor 4 that is away from the first reinforcement 1 extends out of the second reinforcement 2, so that a foundation can be constructed on the upper end of the second reinforcement 2, and the position of the anchor 4 can be fixed by concrete.

[0042] The portion of anchor 4 extending beyond the second reinforcement 2 is bent at a 90-degree angle, further enhancing the fixing ability of anchor 4 during the construction of the foundation and increasing the strength of the foundation.

[0043] When constructing a foundation reinforcement structure, the steel pipe piles are first divided into multiple segments according to the clearance height, ensuring that the length of each segment is less than the clearance height. Then, a guide piece 11 is processed at one end of one of the steel pipe piles, and this steel pipe pile is designated as the first reinforcement piece 1. The remaining steel pipe piles are designated as the second reinforcement pieces 2. Then, a connector 3 is fitted onto the end of the first reinforcement piece 1 away from the guide piece 11 and onto the end of the second reinforcement piece 2, and welded. Next, the second reinforcement pieces 2 are inserted into the foundation hole from the direction of the guide piece 11. After being lowered to a certain depth, the end of one second reinforcement piece 2 that is not fitted with a connector 3 is joined to the end of the first reinforcement piece 1 that is fitted with a connector 3, and welded. Then, another second reinforcement piece 2 is lowered and welded. After the steel pipe pile assembled with the first reinforcement piece 1 and the second reinforcement piece 2 reaches the required lowering depth, anchors 4 are inserted into the first reinforcement piece 1 and the second reinforcement piece 2, and a pile cap is constructed on the steel pipe pile, completing the construction of one foundation reinforcement structure.

[0044] In the description of this utility model, it should be understood that the terms "middle", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] In this invention, unless otherwise expressly specified and limited, the first feature "on" the second feature may be in direct contact with the first feature, or indirect contact with the first feature through an intermediate medium. "A plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

[0046] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0047] The above description is merely illustrative of the embodiments of this utility model and is not intended to limit the scope of this utility model. For those skilled in the art, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model without creative labor should be included within the protection scope of this utility model.

Claims

1. A foundation reinforcement structure, characterized in that, include: The first reinforcement member (1) has a guide member (11) connected to one end, and the guide member (11) has a beveled part (111) at the end away from the first reinforcement member (1). The second reinforcement (2) is disposed on the side of the first reinforcement (1) away from the guide (11) and the two are opposite to each other. Multiple second reinforcements (2) are connected end to end at the end of the second reinforcement (2) away from the first reinforcement (1). as well as The connector (3) is sleeved on the outer side of the opposite parts of the first reinforcement (1) and the second reinforcement (2) and the end-to-end connection parts of the multiple second reinforcements (2), and is welded to both of them respectively.

2. The foundation reinforcement structure according to claim 1, characterized in that: The lengths of the first reinforcement member (1) and the second reinforcement member (2) are less than the clearance height.

3. The foundation reinforcement structure according to claim 1, characterized in that: The outer diameter of the first reinforcing member (1) and the second reinforcing member (2) is equal to the inner diameter of the connector (3).

4. The foundation reinforcement structure according to claim 1, characterized in that: The guide (11) is cross-shaped, and the beveled part (111) is located on the outside of the guide (11) away from the first reinforcement (1).

5. A foundation reinforcement structure according to any one of claims 1-4, characterized in that: It also includes anchors (4), a plurality of anchors (4) being disposed inside the first reinforcement (1) and the second reinforcement (2).

6. The foundation reinforcement structure according to claim 5, characterized in that: The number of anchors (4) is two.

7. A foundation reinforcement structure according to claim 5, characterized in that: The anchor (4) extends from the second reinforcement (2) at the end away from the first reinforcement (1).

8. A foundation reinforcement structure according to claim 7, characterized in that: The portion of the anchor (4) extending out of the second reinforcement (2) is bent at a 90-degree angle.