Cast-in-situ bored pile reinforcing structure

Abstract

The utility model provides a cast-in-situ bored pile reinforcing structure, and relates to the technical field of bridge pile foundations. Bridge main reinforcements are arranged in the bridge main body and are sequentially distributed in the longitudinal direction of the bridge main body, bridge stirrups are arranged on the peripheries of the bridge main reinforcements, the abutment cap is located below the bridge main body, abutment cap main reinforcements are arranged in the abutment cap, and the abutment cap main reinforcements are arranged in the longitudinal direction of the abutment cap. Abutment cap stirrups are arranged around the periphery of the abutment cap main reinforcements, a bridge pier is arranged below the abutment cap, bridge pier main reinforcements are arranged in the bridge pier, the bridge pier main reinforcements are arranged in the longitudinal direction of the bridge pier, bridge pier stirrups are arranged on the periphery of the bridge pier main reinforcements, and the bridge pier stirrups are distributed upwards from the ground along the bridge pier until the bridge pier is distributed to the top of the bridge pier. The connection strength among the bridge pier, the abutment cap and the bridge body can be reinforced, the bridge pier can be prevented from being eroded by water flow, and the problem that in the prior art, the bridge pier is prone to being eroded in the water flow flowing process is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge pile foundation technical field, more specifically, it is especially related to a bored pile reinforcing structure. BACKGROUND

[0002] In the field of bridge pile foundation construction, bored piles are a widely used type of pile. Bored piles are usually chosen for bridge pile foundations, mainly based on the following significant advantages: bored piles exhibit excellent adaptability to various geological conditions, whether it is soft soil with poor bearing capacity, sandy soil with strong water permeability, or hard rock strata, it can effectively cope with it; it has a rich variety of hole-forming methods, such as slurry wall hole-forming, positive and negative circulation hole-forming, impact drill hole-forming, etc.; these different hole-forming processes provide reliable protection for the smooth development of pile foundation construction under complex and variable geological conditions; bored piles mainly rely on the end resistance provided by the pile bottom rock stratum and the friction between the pile body and the soil layer to support the upper structure, which can withstand large vertical and horizontal loads; its scientific and reasonable structure ensures that the concrete can fully solidify, making the pile body have high stiffness and good durability, thereby providing long-term stable and reliable support for the bridge superstructure; the construction process of bored piles is relatively simple, mainly including key steps such as hole-forming, placing reinforcement cage and pouring concrete; this construction method has low requirements for mechanical equipment, does not require complex and expensive large equipment, and most of the work can be done underwater, effectively reducing the construction difficulty, especially suitable for some special construction environment, greatly improving the construction efficiency.

[0003] However, some bridge pile foundations are built in water flow environments. In the process of continuous water flow, the pile foundation is easily eroded, which affects its structural performance and service life. Therefore, it is particularly important to reinforce these bridge pile foundations in water. Through reinforcement treatment, it can bring many positive effects: it can significantly improve the bearing capacity of the bridge, ensure that the bridge can safely withstand various loads within the design range during the designed service life, avoid structural damage caused by overloading, and protect the normal use function of the bridge; the reinforced bridge pile foundation can form a more stable and reliable support system, enhance the overall stability of the bridge, and effectively reduce the risk of structural damage caused by external factors such as earthquakes, floods and vehicle impacts; reinforcement measures can also effectively resist the impact of natural disasters, prolong the service life of the bridge, reduce economic costs and social resource consumption caused by frequent maintenance or reconstruction, and have good economic and social benefits. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a bored pile reinforcing structure to solve the problem that the existing bridge piers are easily eroded in the process of water flow.

[0005] The utility model discloses a bored pile reinforcing structure, which is achieved by the following specific technical means:

[0006] The utility model discloses a bored pile reinforcing structure, it includes: bridge main body, the inside of bridge main body is arranged with bridge main muscle, and bridge main muscle follows the longitudinal orderly distribution of bridge main body, and is divided into two groups, is provided with bridge stirrup on the periphery of bridge main muscle, and bridge stirrup is perpendicular with bridge main muscle, simultaneously, all bridge main muscle is connected each other, and bridge stirrup is along the longitudinal direction of bridge main body and is penetrated in whole bridge main body range, and the below of bridge main body is platform cap, is provided with platform cap main muscle in the inside of platform cap, and platform cap main muscle is along the longitudinal direction of platform cap and is arranged, is provided with platform cap stirrup around the periphery of platform cap main muscle, and platform cap stirrup is perpendicular with platform cap main muscle, and is connected all platform cap main muscle, and the below of platform cap is bridge pier, and is provided with bridge pier main muscle in the inside of bridge pier, and bridge pier main muscle is along the longitudinal direction of bridge pier and is arranged, is provided with bridge pier stirrup on the periphery of bridge pier main muscle, and bridge pier stirrup is perpendicular with bridge pier main muscle, and is connected all bridge pier main muscle, and bridge pier stirrup is along the bridge pier and is distributed from ground to the top position of bridge pier.

[0007] Further, the lower end of the bridge pier main muscle extends below the ground, and a positioning muscle is arranged on the bridge pier main muscle below the ground, the positioning muscle is perpendicular to the bridge pier main muscle, and the length of the positioning muscle exceeds the side length of the bridge pier.

[0008] Further, the upper end of the bridge pier main muscle extends into the inside of the platform cap, and the upper end of the platform cap main muscle extends into the inside of the bridge main body.

[0009] Further, a protective layer is arranged below the bridge pier, the protective layer is composed of a sub-erosion prevention plate and a mother erosion prevention plate, the sub-erosion prevention plate is provided with a sub-detent at the connection position of the sub-erosion prevention plate and the mother erosion prevention plate, the mother erosion prevention plate is provided with a mother detent, and the sub-detent and the mother detent are embedded into each other.

[0010] Further, the upper end of the protective layer is provided with an inner connecting port, and the lower end of the protective layer is provided with an outer connecting port, the lower end of the protective layer is below the ground and is connected to a positioning plate, the positioning plate is composed of a sub-positioning plate and a mother positioning plate, the sub-positioning plate is provided with a sub-detent at the connection position of the sub-positioning plate and the mother positioning plate, the mother positioning plate is provided with a mother detent, and the sub-detent and the mother detent are embedded into each other.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The utility model discloses a bridge pier main muscle extends to the platform cap, the platform cap main muscle extends to the bridge main body and sets up the positioning muscle, not only can strengthen the connecting strength between the bridge pier, the platform cap and the bridge main body three, makes the structure integrity get the promotion, and the positioning muscle can enhance the connecting close degree of bridge pier and soil layer, reinforces the bridge pier foundation, effectively resists the bridge pier displacement risk, and then maintains the stable state of bridge main body.

[0013] 2. The utility model discloses set up the protection layer and the positioning board, the protection layer can effectively resist the erosion effect of water flow to the bridge pier, and the positioning board lower extreme is buried below the ground, can play the positioning and reinforcing effect to the bridge pier on one hand, enhances the bridge pier stability, on the other hand can prevent the water flow erosion bridge pier bottom, further guarantees the bridge pier structure safety. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic diagram of the utility model.

[0015] Figure 2 It is the internal reinforcing steel bar and the internal reinforcing steel bar of the utility model platform cap and bridge pier exploded structure schematic diagram.

[0016] Figure 3 It is the internal reinforcing steel bar and the internal reinforcing steel bar structure schematic diagram of the utility model platform cap and bridge main body.

[0017] Figure 4 It is the utility model bridge main body, platform cap and bridge pier section structure schematic diagram.

[0018] Figure 5 It is the protection layer section structure schematic diagram of the utility model.

[0019] In the drawing, the corresponding relation of component name and drawing number is as follows:

[0020] 1, bridge main body;

[0021] 2, bridge main muscle;

[0022] 3, platform cap;

[0023] 4, bridge pier;

[0024] 5, sub anti -collision board;501, sub positioning board;502, sub clamping part;

[0025] 6, mother anti -collision board;601, mother positioning board;602, mother clamping part;

[0026] 7, bridge pier main muscle;

[0027] 8, positioning muscle;

[0028] 9, bridge pier stirrup;

[0029] 10, platform cap main muscle;

[0030] 11, cap hoop;

[0031] 12, connecting bar;

[0032] 13, bridge hoop;

[0033] 14, inner connecting port; 1401, outer connecting port;

[0034] M, ground. DETAILED DESCRIPTION

[0035] The embodiments of the present application will be further described below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0036] Example:

[0037] As shown in the accompanying drawings: Figure 1 to the accompanying drawings: Figure 5 As shown in the accompanying drawings:

[0038] The present application provides a bored pile reinforcing structure, comprising: a bridge main body 1; the inside of the bridge main body 1 is provided with a bridge main bar 2, the bridge main bar 2 is sequentially distributed along the longitudinal direction of the bridge main body 1, and is divided into two groups, a bridge hoop 13 is arranged around the bridge main bar 2, the bridge hoop 13 is perpendicular to the bridge main bar 2, and all the bridge main bars 2 are connected to each other, and the bridge hoop 13 penetrates the entire bridge main body 1 along the longitudinal direction of the bridge main body 1, below the bridge main body 1 is a cap 3, the cap main bar 10 is arranged inside the cap 3, the cap main bar 10 is arranged along the longitudinal direction of the cap 3, the cap hoop 11 is arranged around the outer periphery of the cap main bar 10, the cap hoop 11 is perpendicular to the cap main bar 10, and all the cap main bars 10 are connected, below the cap 3 is a pier 4, the pier main bar 7 is arranged inside the pier 4, the pier main bar 7 is arranged along the longitudinal direction of the pier 4, the pier hoop 9 is arranged around the outer periphery of the pier main bar 7, the pier hoop 9 is perpendicular to the pier main bar 7, and all the pier main bars 7 are connected, the pier hoop 9 is distributed upward from the ground M along the pier 4, and is distributed to the top position of the pier 4.

[0039] Among them, as shown in the accompanying drawings: Figure 2 , Figure 3 and Figure 4As shown, the lower end of the main reinforcement 7 of the pier extends below ground level M. A positioning reinforcement 8 is provided on the main reinforcement 7 of the pier below ground level M. The positioning reinforcement 8 intersects the main reinforcement 7 of the pier perpendicularly, and its length exceeds the side length of the pier 4. The upper part of the main reinforcement 7 of the pier extends into the interior of the cap 3. Its upper end is connected to the cap stirrup 11 through the connecting reinforcement 12. The upper end of the main reinforcement 10 of the cap extends into the interior of the bridge body 1. This not only strengthens the connection strength between the pier 4, the cap 3 and the bridge body 1, but also strengthens the connection strength between the pier 4 and the soil layer, reinforces the pier 4, prevents displacement and stabilizes the bridge body 1.

[0040] Among them, such as Figure 5 As shown, a protective layer is installed below pier 4. The protective layer consists of a sub-impact plate 5 and a mother impact plate 6. At the connection between the sub-impact plate 5 and the mother impact plate 6, the sub-impact plate 5 is provided with a sub-locking component 502, and the mother impact plate 6 is provided with a mother locking component 602. The sub-locking component 502 and the mother locking component 602 are interlocked. The upper end of the protective layer is provided with an inner connection port 14, and the lower end is provided with an outer connection port 1401. The lower end of the protective layer is below ground level M and is connected to a positioning plate. The positioning plate is composed of... The system consists of a sub-positioning plate 501 and a mother positioning plate 601. At the connection between the sub-positioning plate 501 and the mother positioning plate 601, the sub-positioning plate 501 is provided with a sub-positioning component 502, and the mother positioning plate 601 is provided with a mother positioning component 602. The sub-positioning component 502 and the mother positioning component 602 are interlocked. The protective layer can effectively prevent the pier 4 from being eroded by water flow. The lower end of the positioning plate is buried in the ground, which can not only position and reinforce the pier 4, but also prevent water flow from eroding the bottom of the pier 4.

[0041] The specific usage and function of this embodiment are as follows:

[0042] In this utility model, when welding the internal steel reinforcement skeleton, the main reinforcement of the pier is extended into the abutment cap and welded to the stirrups of the abutment cap. The main reinforcement of the abutment cap extends into the main body of the bridge. Before drilling and grouting, the ground is excavated to create a foundation pit. After drilling and grouting, the pier is constructed. After the drilled and grouted pile pier has hardened to a certain strength, a positioning plate is laid around the pier at the bottom of the foundation pit. A protective layer is connected above the positioning plate. Then the foundation pit is filled and compacted, and the ground is located in the middle of the bottommost positioning plate.

[0043] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

Claims

1. A reinforced structure for bored piles, comprising: The bridge body (1) is characterized in that: the bridge body (1) is provided with main bridge reinforcement bars (2) inside, the main bridge reinforcement bars (2) are arranged in an orderly manner along the longitudinal direction of the bridge body (1) and are divided into upper and lower groups, and bridge stirrups (13) are arranged around the main bridge reinforcement bars (2), the bridge stirrups (13) are perpendicular to the main bridge reinforcement bars (2), and all the main bridge reinforcement bars (2) are connected to each other, while the bridge stirrups (13) run through the entire range of the bridge body (1) along the longitudinal direction of the bridge body (1), and the abutment cap (3) is located below the bridge body (1), and the abutment cap reinforcement bars (10) are arranged inside the abutment cap (3), the abutment cap reinforcement bars (10) run along the abutment cap (3). The longitudinal direction is set, and the perimeter of the main reinforcement (10) of the pier cap is provided with pier cap stirrups (11). The pier cap stirrups (11) are perpendicular to the main reinforcement (10) of the pier cap and connect all the main reinforcement (10) of the pier cap. Below the pier cap (3) is the pier (4). The pier (4) is provided with pier main reinforcement (7). The pier main reinforcement (7) is set along the longitudinal direction of the pier (4). Pier stirrups (9) are provided around the pier main reinforcement (7). The pier stirrups (9) are perpendicular to the pier main reinforcement (7) and connect all the pier main reinforcement (7). The pier stirrups (9) are distributed upward along the pier (4) from the ground (M) until they reach the top of the pier (4).

2. The bored pile reinforcement structure as described in claim 1, characterized in that: The lower end of the main reinforcement (7) of the pier extends below the ground (M). A positioning reinforcement (8) is provided on the main reinforcement (7) of the pier below the ground (M). The positioning reinforcement (8) intersects the main reinforcement (7) of the pier perpendicularly, and its length exceeds the side length of the pier (4).

3. The bored pile reinforcement structure as described in claim 1, characterized in that: The upper part of the main reinforcement (7) of the pier extends into the interior of the cap (3), and its upper end is connected to the stirrup (11) of the cap through the connecting reinforcement (12). The upper end of the main reinforcement (10) of the cap extends into the interior of the main body (1) of the bridge.

4. The bored pile reinforcement structure as described in claim 1, characterized in that: A protective layer is provided below the pier (4). The protective layer consists of a sub-impact plate (5) and a mother impact plate (6). At the connection between the sub-impact plate (5) and the mother impact plate (6), the sub-impact plate (5) is provided with a sub-positioning component (502), and the mother impact plate (6) is provided with a mother positioning component (602). The sub-positioning component (502) and the mother positioning component (602) are interlocked.

5. The bored pile reinforcement structure as described in claim 4, characterized in that: The upper end of the protective layer is provided with an inner connection port (14), and the lower end is provided with an outer connection port (1401). The lower end of the protective layer is below the ground (M) and is connected to the positioning plate. The positioning plate is composed of a sub-positioning plate (501) and a mother positioning plate (601). At the connection between the sub-positioning plate (501) and the mother positioning plate (601), the sub-positioning plate (501) is provided with a sub-positioning piece (502), and the mother positioning plate (601) is provided with a mother positioning piece (602). The sub-positioning piece (502) and the mother positioning piece (602) are fitted together.

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