Steel pipe pile support structure

Abstract

The utility model discloses a kind of steel pipe pile supporting structures, mainly include side slope, concrete layer, two pipe pile row groups and protective layer, the water surface of side slope and backwater surface are supported and reinforced by pipe pile row group, and prevent direct impact of water flow, simultaneously, by protective structure and concrete layer on the bottom and both sides waist surface of side slope are covered and protected, further improve the stability of side slope structure, and prevent soil layer from being impacted by water flow, thereby the overall of supporting structure is relatively stable, not easy to be affected by water flow, and the laying equipment of steel pipe pile is relatively mature, operation is relatively simple, without more artificial simultaneously, to improve the efficiency of construction.

Description

Technical Field

[0001] This utility model relates to the technical field of bridge protection, and in particular to a steel pipe pile support structure. Background Technology

[0002] Bridge piers mainly consist of columns, pile caps, and pile foundations. The pile caps are located below the columns, and the pile foundations are inserted into the riverbed foundation with their tops located below the pile caps, thus ensuring the stability of the bridge pier structure.

[0003] In existing technologies, when constructing bridge piers on both sides of narrow river channels, to further ensure the strength of the piers and prevent them from collapsing or tilting due to water erosion or external vibrations, a crushed stone cushion layer is laid on the slope surface. Then, Reno mattresses and gabions are used to cover the crushed stone layer, forming a protective structure for the piers. Furthermore, the protective structure on both sides of the river extends to the upper part of the riverbed, making the protective structure a unified whole and further improving the strength of the piers and the protective structure. However, in practice, the above-mentioned protective structure still has some problems that need improvement:

[0004] 1. For some river channels, depending on factors such as the length and strength of the piers, piers may be set in the middle of the river. When constructing protective structures for these piers, if traditional protective structures are used, such as Reno mattresses and gabions to cover the slope protection structure around the piers, it requires a lot of manpower and manual labor to fill, lay, and connect the Reno mattresses and gabions, which is inefficient.

[0005] 2. Since there are no adjacent riverbank slopes on the upstream and downstream sides along the water flow direction, the protective structure cannot form an integral whole with the protective structure of the riverbank slope, resulting in low structural stability. In particular, the upstream end of the protective structure along the water flow direction will be directly impacted by the water flow. If the water flow velocity is high and the flow rate is large, the stones in the gabion may shift, causing local collapse of the protective layer and a decrease in erosion resistance. Although the flexible structure of the Reno mattress can adapt to a certain deformation, it may be washed away under high water flow intensity, resulting in erosion of the soil layer below and further reducing the stability of the protective structure.

[0006] Therefore, there is an urgent need for a steel pipe pile protection structure to protect bridge piers in river channels, thereby improving the overall stability of the protection structure and increasing construction efficiency. Utility Model Content

[0007] The purpose of this utility model is to provide a steel pipe pile support structure to solve the above-mentioned technical problems.

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0009] A steel pipe pile support structure includes a slope, a concrete layer, a protective layer, and two pile groups. The slope adopts an isosceles trapezoidal structure, with its two sides facing the water-facing and back-facing sides, respectively. The two waists of the slope are located between the two sides. The two pile groups are arranged opposite each other on both sides of the slope, with the side facing the slope side abutting against the slope side. The shape of the pile groups is adapted to the slope side, and its size is larger than the slope side. The concrete layer is located on the upper bottom surface of the slope and surrounds the pier. The shape of the concrete layer is consistent with the upper bottom of the slope, and the circumferential surface facing the two waists of the slope is parallel to the two sides of the slope. The protective layer is located on the two waist surfaces of the slope and the upper surface of the concrete layer.

[0010] In some embodiments, the pipe pile group includes multiple steel pipe piles, which are arranged sequentially at intervals along the extension direction of the line where the two sides of the slope intersect with the ground. The circumferential outer walls of two adjacent steel pipe piles abut against each other, and the two sides of the slope abut against the circumferential outer walls of multiple steel pipe piles on both sides. The axial direction of the steel pipe piles is consistent with the axial direction of the bridge pier.

[0011] In some embodiments, multiple steel pipe piles in the same pile group are arranged in an isosceles trapezoidal structure, and one end of the steel pipe pile is located on the upper side of the slope side that it abuts.

[0012] In some embodiments, the method further includes multiple pre-embedded anchor bars, one end of which is provided with external threads. The steel pipe piles located on both sides of the top bottom of the slope are provided with anchor bar holes adapted to the pre-embedded anchor bars. The multiple pre-embedded anchor bars pass through the anchor bar holes of the multiple steel pipe piles on both sides of the top bottom of the slope, and one end is pre-embedded in the concrete layer. The end of the pre-embedded anchor bar with external threads is fixed by a nut.

[0013] In some embodiments, the steel pipe piles provided on both sides of the bottom of the slope have multiple anchor holes, which are arranged sequentially at intervals along the axial direction of the steel pipe piles. When the anchor bars pass through the anchor holes, they pass through the axis of the steel pipe piles and are perpendicular to the side of the slope.

[0014] In some embodiments, multiple U-shaped channel steels are provided on the outer side of the upper end of multiple steel pipe piles provided on the bottom side of the slope, and are arranged sequentially at intervals along the arrangement direction of the steel pipe piles. The multiple channel steels are arranged end to end in sequence, and the ends of two adjacent channel steels are spaced apart. The multiple channel steels are respectively detachably connected to several of the multiple steel pipe piles provided on the bottom side of the slope, and the bottom sidewall abuts against the several steel pipe piles connected thereto.

[0015] In some embodiments, the bottom sidewall of the channel steel is provided with multiple through holes, and multiple anchor bars pass through the multiple through holes and the anchor bar holes of several steel pipe piles in sequence, and are pre-embedded in the concrete layer. One end of the anchor bar set in the channel steel groove is connected to a nut, and the nut abuts against the side surface of the bottom sidewall of the channel steel located in the groove.

[0016] In some embodiments, multiple reinforcing plates are provided on the outer side of multiple steel pipe piles located on both sides of the slope. The multiple reinforcing plates are fixedly connected to two adjacent steel pipe piles respectively, and one steel pipe pile is fixedly connected to two adjacent steel pipe piles respectively through the reinforcing plates.

[0017] In some embodiments, a reinforcing plate is provided on the outer side of the lower end of two adjacent steel pipe piles that are respectively connected to two adjacent channel steels, and the side of the reinforcing plate is fixedly connected to the two adjacent steel pipe piles.

[0018] In some embodiments, the sides of the plurality of reinforcing plates have arc-shaped surfaces adapted to the steel pipe piles. When the reinforcing plates are connected to the steel pipe piles, the arc-shaped surfaces abut and fit against a portion of the outer circumferential wall of the steel pipe piles.

[0019] Compared with the prior art, the advantages of this utility model are:

[0020] In this invention, pipe piles are used to reinforce the water-facing and back-facing sides of a slope, preventing direct impact from water flow. Simultaneously, protective structures and concrete layers cover and protect the top and sides of the slope, further enhancing slope stability and preventing water flow impact on the soil. This results in a more stable overall support structure, less susceptible to water flow. Furthermore, the equipment for laying steel pipe piles is mature and easy to operate, requiring less manual labor and thus improving construction efficiency. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a front cross-sectional view of a steel pipe pile support structure according to an embodiment of this application;

[0023] Figure 2 This is a top view schematic diagram of the lower end cap of a steel pipe pile support structure according to an embodiment of this application;

[0024] Figure 3 This is a bottom view schematic diagram of the lower end cover of a steel pipe pile support structure according to an embodiment of this application;

[0025] Figure 4 This is a bottom view of the upper end cap of a steel pipe pile support structure according to an embodiment of this application;

[0026] Figure 5This is a bottom view schematic diagram of an anchor rod in a steel pipe pile support structure according to an embodiment of this application;

[0027] Figure 6 This is a front cross-sectional view of the upper end cap of a steel pipe pile support structure according to an embodiment of this application;

[0028] Figure 7 This is a front cross-sectional view of the fixing cover of a steel pipe pile support structure according to an embodiment of this application;

[0029] Figure 8 This is a top view schematic diagram of a fixing cover for a steel pipe pile support structure according to an embodiment of this application;

[0030] Figure label:

[0031] 1-Slope,

[0032] 2- Concrete layer,

[0033] 3-Protective layer, 31-Reno cushion layer, 32-Gabion gabion.

[0034] 4-Pipe pile group, 41-Steel pipe pile, 411-Anchor bar hole,

[0035] 5-Pier,

[0036] 6-Pre-embedded anchor bars,

[0037] 7-Channel steel, 71-Through hole,

[0038] 8-Reinforcing plate, 81-Curved surface. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0040] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0041] In the description of this utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, 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, and therefore should not be construed as a limitation of this utility model.

[0042] Furthermore, the terms "first," "second," and "third" are used only for distinguishing descriptions and should not be interpreted as indicating or implying relative importance.

[0043] Furthermore, the use of terms such as "horizontal," "vertical," and "suspended" does not imply that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0044] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0045] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0046] It should be understood that for some river channels, depending on factors such as the length and strength of the piers, piers may be set in the middle of the river. When constructing protective structures for these piers, if traditional protective structures are used, such as Reno mattresses and gabions to cover the slope protection structure around the piers, it requires a lot of manpower and manual labor to fill, lay, and connect the Reno mattresses and gabions, which is inefficient.

[0047] Furthermore, since there are no adjacent riverbank slopes on the upstream and downstream sides along the water flow direction, the protective structure cannot form an integral whole with the protective structure of the riverbank slope, resulting in low structural stability. In particular, the upstream end of the protective structure along the water flow direction will be directly impacted by the water flow. If the water flow velocity is high and the flow rate is large, the stones in the gabion may shift, causing local collapse of the protective layer and a decrease in erosion resistance. Although the flexible structure of the Reno mattress can adapt to a certain deformation, it may be washed away under high water flow intensity, resulting in erosion of the soil layer below and further reducing the stability of the protective structure.

[0048] To improve the above problems, this embodiment provides a steel pipe pile support structure, which mainly includes a slope 1, a concrete layer 2, a protective layer 3, and two pipe pile groups 4.

[0049] In this embodiment, as Figures 1-3 As shown, slope 1 adopts an isosceles trapezoidal structure, with the two sides facing the water-facing side and the water-repelling side respectively. The two sides of slope 1 are located between the two sides. The pier is located in the soil layer. The bridge pier 5 passes through the upper and lower bottom of slope 1 and is located on the upper side of the pier. The lower side of the pier is provided with a pile foundation. The structure and setting of the bridge pier 5 are existing technologies and will not be described in detail.

[0050] In this embodiment, as Figure 1 As shown, the concrete layer 2 is set on the bottom surface of the slope 1 and surrounds the pier 5. The shape of the concrete layer 2 is consistent with the bottom surface of the slope 1, and the circumferential surfaces facing the two sides of the slope 1 are parallel to the two side surfaces of the slope 1, thereby covering the bottom surface of the pier 5, thus preventing the soil layer on the bottom surface from being lost, reinforcing the structure of the slope 1, and providing stable support for the pier 5.

[0051] In this embodiment, as Figures 1-4 As shown, the protective layer 3 is set on the two side waist surfaces of the slope 1 and the upper surface of the concrete layer 2. Specifically, the protective layer 3 includes a Reno cushion layer 31 and gabion cages 32. The gabion cages 32 are respectively set on the two sides of the upper bottom of the slope 1 and the bottom of the two sides of the slope 1, and are perpendicular to the two sides of the slope 1. The Reno cushion layer 31 is set on the upper bottom and the two sides of the slope 1, and is located between the two gabion cages 32 on the upper bottom and between the gabion cages 32 at the bottom of the sides of the slope 1 and the gabion cages 32 at the upper bottom edge, thereby covering and reinforcing the upper bottom and the two sides of the slope 1, so as to make the slope 1 structure more stable.

[0052] The structures of the Reno cushion layer 31 and the gabion 32 are existing technologies and will not be described in detail. The selection of stones in the Reno cushion layer 31 and the gabion 32 can be based on the actual conditions such as the stability of the slope 1, cost control, and water flow intensity.

[0053] Among them, such as Figures 1-4 As shown, the arrow points in the direction of water flow. Two pile groups 4 are positioned opposite each other on both sides of the slope 1, facing and away from the direction of water flow, respectively. The side of the pile group 4 facing the slope 1 abuts against the side of the slope 1. The shape of the pile group 4 is adapted to the side of the slope 1, and its size is larger than the side of the slope 1. Specifically, the pile group 4 includes multiple steel pipe piles 41. The axial direction of the steel pipe piles 41 is consistent with the axial direction of the pier 5. The multiple steel pipe piles 41 are arranged sequentially at intervals along the extension direction of the line where the two sides of the slope 1 intersect with the ground. The circumferential outer walls of two adjacent steel pipe piles 41 abut against each other. The two sides of the slope 1 abut against the circumferential outer walls of the multiple steel pipe piles 41 on both sides, thereby supporting and reinforcing the slope 1.

[0054] In this arrangement, multiple steel pipe piles 41 in the same pile group 4 are arranged in an isosceles trapezoidal structure, and one end of the steel pipe pile 41 is set on the upper side of the slope 1 that it abuts. Furthermore, the length of the steel pipe pile 41 inserted into the ground is longer than the length of the third pile. This ensures that the steel pipe pile 41 is stable and can block a large amount of water flow, preventing the water flow from directly impacting the slope 1, the protective structure, and the concrete layer 2, thus avoiding soil erosion, structural instability, and other situations.

[0055] Among them, the height of the multiple steel pipe piles 41 set on both sides of the bottom of the slope 1 is the same.

[0056] The concrete layer 2 has four side walls that are spaced from the four sides of the top surface of the slope 1. The surface of the concrete layer 2 facing the two sides of the slope 1 is also spaced from the steel pipe piles 41 on both sides of the slope 1. The concrete layer 2 has embedded anchor bars 6 on the surface facing the two sides of the slope 1. One end of the embedded anchor bar 6 has an external thread. The axial direction of the embedded anchor bar 6 is perpendicular to both sides of the slope 1 and the two sides of the concrete layer 2, and one end passes through the steel pipe piles 41. Specifically, part of the embedded anchor bar 6 is located within this space. One end of each steel pipe pile 41 on both sides of the top surface of the slope 1 has an anchor bar hole 411 that matches the embedded anchor bar 6. Multiple embedded anchor bars 6 pass through the anchor bar holes 411 of multiple steel pipe piles 41 on both sides of the top surface of the slope 1, and one end is embedded in the concrete layer 2. The threaded end of the embedded anchor bar 6 is fixed with a nut.

[0057] The spacing is filled with soil and compacted to ensure the overall strength of the structure.

[0058] In this embodiment, the steel pipe piles 41 on both sides of the top bottom of the slope 1 have multiple anchor holes 411. The multiple anchor holes 411 are arranged sequentially and at intervals along the axial direction of the steel pipe piles 41. When the pre-embedded anchor bars 6 pass through the anchor holes 411, they pass through the axis of the steel pipe piles 41 and are perpendicular to the side of the slope 1. In this embodiment, the upper outer side of the multiple steel pipe piles 41 on the top bottom side of the slope 1 is provided with multiple U-shaped channel steels 7. The bottom sidewalls of the multiple channel steels 7 are parallel to the surface of the slope 1 and perpendicular to the horizontal ground. The multiple channel steels 7 are arranged sequentially and at intervals along the arrangement direction of the multiple steel pipe piles 41 on both sides of the slope 1. The multiple channel steels 7 are arranged end to end in sequence, and the ends of two adjacent channel steels 7 are arranged at intervals.

[0059] In this embodiment, multiple channel steels 7 are detachably connected to several of the multiple steel pipe piles 41 disposed on the bottom side of the slope 1, and the bottom sidewall abuts against the connected steel pipe piles 41. The number of channel steels 7 and the number of steel pipe piles 41 can be selected according to the size of the slope 1 and the diameter of the steel pipe piles 41 themselves. In this embodiment, for ease of description, the number of steel pipe piles 41 disposed on the bottom side of the slope is 20, and the number of channel steels 7 is 4. The 4 channel steels 7 are arranged alternately along the arrangement direction of the 20 steel pipe piles 41, and every four adjacent steel pipe piles 41 are detachably connected to one channel steel 7. Specifically, the bottom sidewall of the channel steel 7 is provided with multiple through holes 71. Multiple anchor bars pass through the multiple through holes 71 and the anchor bar holes 411 of several steel pipe piles 41 in sequence, and are pre-embedded in the concrete layer 2. One end of the anchor bar set in the channel opening of the channel steel 7 is connected to a nut, and the nut abuts against the surface of the bottom sidewall of the channel steel 7 located in the channel opening. The side of the bottom wall of the channel steel 7 facing the slope 1 abuts against four steel pipe piles 41, thereby making the multiple steel pipe piles 41 on both sides of the top bottom of the slope 1, the slope 1, the concrete layer 2 and the bridge pier 5 form an integral whole, thereby making the slope 1, the steel pipe piles 41 and the other protective structures more stable, and thus providing more stable support for the bridge pier 5.

[0060] In this embodiment, multiple reinforcing plates 8 are provided on the outer sides of multiple steel pipe piles 41 located on both sides of the slope 1. The multiple reinforcing plates 8 are fixedly connected to two adjacent steel pipe piles 41, and a steel pipe pile 41 is fixedly connected to two adjacent steel pipe piles 41 through reinforcing plates 8. Specifically, the multiple reinforcing plates 8 are parallel to each other, and the sides facing the slope 1 are fixedly connected to two steel pipe piles 41. When a single steel pipe pile 41 has adjacent steel pipe piles 41 on both sides, the steel pipe pile 41 is fixedly connected to the two adjacent steel pipe piles 41 through two reinforcing plates 8. The height of the multiple reinforcing plates 8 on both sides of the pipe pile group 4 increases sequentially from the lowest steel pipe pile 41 to the highest steel pipe pile 41 on the ground surface. The two outermost ends of the multiple steel pipe piles 41 located on the outer side of the bottom of the slope 1 are fixedly connected to their adjacent shorter steel pipe piles 41 through reinforcing plates 8.

[0061] Among them, the lower outer side of the two adjacent steel pipe piles 41, which are respectively connected to the two adjacent channel steels 7, is provided with a reinforcing plate 8, and the side of the reinforcing plate 8 is fixedly connected to the two adjacent steel pipe piles 41, so that the entire pipe pile group 4 becomes a whole, and forms a relatively stable whole with the slope 1, concrete layer 2 and other protective structures, thereby making the support structure more stable and providing stable support for the pier 5.

[0062] In this embodiment, the sides of the multiple reinforcing plates 8 are provided with arc-shaped surfaces 81 that are adapted to the steel pipe piles 41. When the reinforcing plates 8 are connected to the steel pipe piles 41, the arc-shaped surfaces 81 abut against and fit against the outer circumferential wall of the steel pipe piles 41, thereby making the connection more stable.

Claims

1. A steel pipe pile support structure, characterized in that, include: The slope (1), concrete layer (2), protective layer (3) and two pile groups (4) are provided. The slope (1) adopts an isosceles trapezoidal structure, and the two sides face the water-facing side and the water-repelling side respectively. The two sides of the slope (1) are located between the two sides. Two sets of pipe piles (4) are arranged opposite to each other on both sides of the slope (1), and the side facing the side of the slope (1) abuts against the side of the slope (1). The shape of the sets of pipe piles (4) is adapted to the side of the slope (1), and the size is larger than the side of the slope (1). The concrete layer (2) is set on the bottom surface of the slope (1) and surrounds the pier (5). The shape of the concrete layer (2) is consistent with the bottom surface of the slope (1), and the circumferential surfaces facing the two sides of the slope (1) are parallel to the two side surfaces of the slope (1). The protective layer (3) is set on the waist surface of both sides of the slope (1) and the upper surface of the concrete layer (2).

2. The steel pipe pile support structure according to claim 1, characterized in that: The pile group (4) includes multiple steel pipe piles (41). The multiple steel pipe piles (41) are arranged sequentially at intervals along the extension direction of the intersection line between the two sides of the slope (1) and the ground. The circumferential outer walls of two adjacent steel pipe piles (41) abut against each other. The two sides of the slope (1) abut against the circumferential outer walls of the multiple steel pipe piles (41) on both sides respectively. The axial direction of the steel pipe piles (41) is consistent with the axial direction of the pier (5).

3. The steel pipe pile support structure according to claim 2, characterized in that: Multiple steel pipe piles (41) in the same pile group (4) are arranged in an isosceles trapezoidal structure, and one end of the steel pipe pile (41) is set on the upper side of the slope (1) that it abuts.

4. The steel pipe pile support structure according to claim 3, characterized in that: It also includes multiple pre-embedded anchor bars (6), one end of which is provided with external thread. The steel pipe piles (41) set on both sides of the top bottom of the slope (1) are provided with anchor bar holes (411) that are compatible with the pre-embedded anchor bars (6). The multiple pre-embedded anchor bars (6) pass through the anchor bar holes (411) of the multiple steel pipe piles (41) on both sides of the top bottom of the slope (1), and one end is pre-embedded in the concrete layer (2). The end of the pre-embedded anchor bar (6) with external thread is fixed by a nut.

5. A steel pipe pile support structure according to claim 4, characterized in that: The anchor holes (411) of the steel pipe piles (41) set on both sides of the bottom of the slope (1) are multiple. The multiple anchor holes (411) are arranged sequentially at intervals along the axial direction of the steel pipe piles (41). When the anchor bars pass through the anchor holes (411), they pass through the axis of the steel pipe piles (41) and are perpendicular to the side of the slope (1).

6. A steel pipe pile support structure according to claim 5, characterized in that: Multiple steel pipe piles (41) set on the upper bottom side of the slope (1) are provided with multiple U-shaped channel steels (7) on the outer side of the upper end, and are arranged in sequence at intervals along the arrangement direction of the steel pipe piles (41). The multiple channel steels (7) are arranged end to end in sequence, and the ends of two adjacent channel steels (7) are arranged at intervals. The multiple channel steels (7) are respectively detachably connected to several of the multiple steel pipe piles (41) set on the upper bottom side of the slope (1), and the bottom side wall and the several steel pipe piles (41) connected thereto abut against each other.

7. A steel pipe pile support structure according to claim 6, characterized in that: The bottom sidewall of the channel steel (7) is provided with multiple through holes (71), and multiple anchor bars pass through the multiple through holes (71) and the anchor bar holes (411) of several steel pipe piles (41) in sequence, and are embedded in the concrete layer (2). One end of the anchor bar set in the channel steel (7) groove is connected to a nut, and the nut abuts against the side surface of the bottom sidewall of the channel steel (7) located in the groove.

8. A steel pipe pile support structure according to claim 7, characterized in that: Multiple steel pipe piles (41) set on both sides of the slope (1) are provided with multiple reinforcing plates (8) on the outside. The multiple reinforcing plates (8) are fixedly connected to two adjacent steel pipe piles (41) respectively, and one steel pipe pile (41) is fixedly connected to two adjacent steel pipe piles (41) respectively through the reinforcing plates (8).

9. A steel pipe pile support structure according to claim 8, characterized in that: A reinforcing plate (8) is provided on the lower outer side of two adjacent steel pipe piles (41) that are respectively connected to two adjacent channel steels (7), and the side of the reinforcing plate (8) is fixedly connected to the two adjacent steel pipe piles (41).

10. A steel pipe pile support structure according to claim 9, characterized in that: The sides of the multiple reinforcing plates (8) are provided with arc-shaped surfaces (81) that are adapted to the steel pipe piles (41). When the reinforcing plates (8) are connected to the steel pipe piles (41), the arc-shaped surfaces (81) abut against and fit against the outer circumferential wall of the steel pipe piles (41).

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