Prefabricated concrete pier

Abstract

The prefabricated concrete pier comprises a bearing platform, a cover beam and a pier column, one end of the pier column is connected with the bearing platform, and the other end of the pier column is connected with the cover beam; a first pre-embedded connecting assembly is arranged at the end of the pier column, a second pre-embedded connecting assembly is arranged at the end, connected with the pier column, of the bearing platform, and a third pre-embedded connecting assembly is arranged at the end, connected with the pier column, of the cover beam. The structure further comprises a cover beam fixing piece and a bearing platform fixing piece. At the end, close to the bearing platform, of the pier column, the first pre-embedded connecting assembly is connected with one end of the bearing platform fixing piece, and the second pre-embedded connecting assembly is connected with the other end of the bearing platform fixing piece, so that the pier column is connected with the bearing platform; and at one end, close to the cover beam, of the pier column, the first embedded connecting assembly is connected with one end of the cover beam fixing piece, and the third embedded connecting assembly is connected with the other end of the cover beam fixing piece, so that the pier column is connected with the cover beam. According to the construction method, the embedded connecting assemblies are arranged on the pier column and the bearing platform cover beam, cast-in-place or grouting is not needed during field installation, and the field construction speed is increased.

Description

Technical Field

[0001] The present application relates to the technical field of bridge construction, and in particular to a prefabricated assembled concrete bridge pier. Background Art

[0002] With the progress of society and technology, the construction industry is developing rapidly and gradually industrializing. Among them, the development of bridge construction is also gradually industrializing. Prefabricated and assembled concrete piers have further increased the speed of bridge construction.

[0003] In the prior art, there are three main ways to assemble prefabricated concrete pier components. One is to fix them in a prestressed manner, which requires tensioning and pipe grouting construction. When the pier height is large, the construction of prestressed steel strands is difficult. The second is to connect them in a sleeve manner, which requires grouting of the sleeve. The third is to connect them in the form of a post-cast wet joint of UHPC ultra-high performance concrete, which requires on-site casting construction.

[0004] Then the above three assembly methods all require grouting or pouring construction on site, which has low construction efficiency. Therefore, the existing prefabricated and assembled concrete piers have room for further improvement. Utility Model Content

[0005] In view of this, in order to solve the technical problem that the prefabricated and assembled concrete piers in the above-mentioned prior art need to be grouted or poured on site when spliced, the present application provides a prefabricated and assembled concrete pier, which has a first embedded connection component on the pier column, a second embedded connection component on the pedestal, and an embedded connection component on the cap beam, so that during on-site installation, the pier column and the pedestal and the cap beam can be quickly connected through the embedded connection components, without the need for on-site pouring or grouting, thereby improving the on-site construction speed.

[0006] The present application provides a prefabricated assembled concrete bridge pier, comprising a cap, a cap beam, and a pier column, wherein one end of the pier column is connected to the cap, and the other end is connected to the cap beam;

[0007] The end of the pier column is provided with a first pre-buried connection assembly, the end of the cap connected to the pier column is provided with a second pre-buried connection assembly, and the end of the cap beam connected to the pier column is provided with a third pre-buried connection assembly;

[0008] Among them, it also includes cap beam fixing parts and pedestal fixing parts;

[0009] At one end of the pier column close to the cap, the first embedded connection component is connected to one end of the cap fixing piece, and the second embedded connection component is connected to the other end of the cap fixing piece, so as to realize the connection between the pier column and the cap;

[0010] At one end of the pier column close to the cap beam, the first embedded connection component is connected to one end of the cap beam fixing piece, and the third embedded connection component is connected to the other end of the cap beam fixing piece to achieve the connection between the pier column and the cap beam.

[0011] Compared with the prior art, in the prefabricated assembled concrete pier of the present application, a first embedded connection component is provided on the pier column, a second embedded connection component is provided on the pedestal, an embedded connection component is provided on the cap beam, and cap beam fixing members and pier body fixing members are provided, and the fixing members act on the outside of the pier column, the cap beam and the pedestal respectively, so that the pier column and the pedestal are connected to the first embedded connection component and the second embedded connection component respectively through the pedestal fixing members, and the pier column and the cap beam are connected to the first embedded connection component and the third embedded connection component respectively through the cap beam fixing members, thereby realizing the connection between the pier column and the cap beam and the pedestal respectively. This connection method simplifies the operation process, does not require pouring or grouting, saves processes, and improves installation efficiency.

[0012] Preferably, the first pre-buried connection components are at least two groups, and the first pre-buried connection components are arranged at equal intervals along the outer periphery of the pier;

[0013] The first pre-embedded connection component is arranged along the radial direction, and the second pre-embedded connection component and the third pre-embedded connection component are arranged along the axial direction.

[0014] Preferably, the first embedded connection assembly includes embedded bolts and fixing nuts, the embedded bolts are embedded in the pier, the ends of the embedded bolts pass through the pedestal fixing parts or the cap beam fixing parts, and the embedded bolts at least partially protrude from the outside of the cap beam fixing parts or the pedestal fixing parts for connection with the fixing nuts.

[0015] Preferably, the first embedded connection assembly includes an embedded sleeve and a fixing bolt, the embedded sleeve is arranged in the pier, and the fixing bolt passes through the cap beam fixing piece or the base fixing piece and is inserted into the embedded sleeve.

[0016] Preferably, the cap fixing member comprises a first axial extension portion and a first radial extension portion, the first axial extension portion is in contact with the outer side of the pier column, and the first radial extension portion is in contact with the upper end surface of the cap;

[0017] The first pre-embedded connection component is connected to the first axially extending portion, and the second pre-embedded connection component is connected to the first radially extending portion;

[0018] The first axial extension portion is provided with a mounting hole for the first embedded connection component to pass through, and the first radial extension portion is provided with a mounting hole for the second embedded connection component to pass through.

[0019] Preferably, the cap beam fixing member comprises a second axial extension portion and a second radial extension portion, the second axial extension portion is in contact with the outer side of the pier column, and the second radial extension portion is in contact with the lower end surface of the cap beam;

[0020] The first pre-embedded connection component is connected to the second axial extension portion, and the third pre-embedded connection component is connected to the second radial extension portion;

[0021] The second axially extending portion is provided with a mounting hole for the first embedded connection component to pass through, and the second radially extending portion is provided with a mounting hole for the third embedded connection component to pass through.

[0022] Preferably, the pier column comprises at least two pier segments, and the first embedded connection assembly is arranged at the end of the pier segment;

[0023] The prefabricated assembled concrete bridge pier also includes a segment fixing piece, and the first pre-embedded connection components of two adjacent pier body segments are connected to the segment fixing piece to realize the connection of the two adjacent pier body segments.

[0024] Preferably, the piers, caps and cap beams are all provided with embedded steel plates.

[0025] At least a portion of the inner wall of the segment fixing member is in contact with the outer wall of the embedded steel plate;

[0026] At least a portion of the inner wall of the cap beam fixing member is in contact with the outer wall of the embedded steel plate;

[0027] At least a portion of the inner wall of the base fixing member is in contact with the outer wall of the embedded steel plate.

[0028] Preferably, the prefabricated assembled concrete pier further comprises an interlocking portion, the interlocking portion comprises a connecting protrusion and a connecting groove, the connecting protrusion protrudes in the axial direction, and the outer wall of the connecting protrusion is in contact with the inner wall of the connecting groove;

[0029] Wherein, the end portions of the support platform and the support platform connected to the pier column are provided with connecting protrusions, and the two ends of the pier column are provided with connecting grooves.

[0030] Preferably, the axial centerline of the connecting protrusion is in the same straight line as the axial centerline of the pier column;

[0031] The outer diameter of the connecting protrusion is smaller than the outer diameter of the pier column;

[0032] The outer diameter of the free end of the connecting protrusion is smaller than the outer diameter of the fixed end.

[0033] The prefabricated assembled concrete bridge pier of the present application has at least the following technical effects:

[0034] 1. By arranging a first embedded connection component on the pier body segment and arranging a segment fixing piece on the outer sides of two adjacent pier body segments, the first embedded connection component is connected to the segment fixing piece, so as to connect the two adjacent pier body segments. In this way, during on-site construction, the pier body segments of the pier column can be connected without on-site grouting or pouring, thereby further improving the on-site construction efficiency;

[0035] 2. By arranging embedded steel plates on the piers, caps and cap beams, the embedded steel plates are connected with the segment fixings, cap beam fixings and cap beam fixings to increase the connection area and connection strength between the piers and the caps and cap beams, thereby making the connection more secure;

[0036] 3. The connection stability of the two pier body segments is enhanced by setting an interlocking portion, wherein the interlocking portion includes a connecting protrusion and a connecting groove, and the connecting protrusion cooperates with the connecting groove to make the connection between the two adjacent pier body segments more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of a prefabricated assembled concrete bridge pier provided in an implementation example of the present application;

[0038] Figure 2 yes Figure 1 A schematic diagram of the structure cut along the GG section line;

[0039] Figure 3 It is a structural schematic diagram of a prefabricated assembled concrete bridge pier provided in Example 2 of the present application;

[0040] Figure 4 yes Figure 1 A schematic diagram of the structure cut along the HH section line;

[0041] Figure 5 It is a schematic diagram of a partial explosion structure of a prefabricated assembled concrete bridge pier provided in Example 2 of the present application;

[0042] Figure 6 yes Figure 1 An enlarged schematic diagram of a local A;

[0043] Figure 7 yes Figure 1 An enlarged schematic diagram of a local B;

[0044] Figure 8 yes Figure 1 An enlarged schematic diagram of a local C;

[0045] Fig. 9 yes Figure 3 An enlarged schematic diagram of a local D;

[0046] Fig.10 yes Figure 3 An enlarged schematic diagram of a local E;

[0047] Fig.11 yes Figure 3 An enlarged schematic diagram of a local F.

[0048] Figure numerals: 1. pedestal; 2. cap beam; 3. pier; 4. first embedded connection assembly; 5. segment fixing piece; 6. second embedded connection assembly; 7. pedestal fixing piece; 8. third embedded connection assembly; 9. cap beam fixing piece; 10. pier body segment; 11. connecting protrusion; 12. connecting groove; 13. embedded steel plate; 14. embedded sleeve; 15. fixing bolt; 16. embedded bolt; 17. fixing nut; 18. first axial extension portion; 19. first radial extension portion; 20. second axial extension portion; 21. second radial extension portion; 22. interlocking portion. DETAILED DESCRIPTION

[0049] In order to enable those skilled in the art to better understand the technical solution of the present disclosure, the present disclosure is described in detail, clearly and completely in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present disclosure and are not used to limit the present disclosure.

[0050] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0051] Those skilled in the art should understand that, in the disclosure of the present application, the orientation or positional relationship indicated by terms such as "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", and "outside" are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present application.

[0052] The present application is further described in detail below in conjunction with the accompanying drawings. Figures 1 to 11 illustrate.

[0053] The present application provides a prefabricated assembled concrete pier, which is used in the field of bridge construction. By prefabricating the pier, the prefabricated pier can be directly installed at the construction site without the need for on-site pouring or grouting, which greatly saves on-site construction time, can effectively improve the work efficiency of bridge construction, shorten the construction period, and save costs.

[0054] like Figures 1 to 4 As shown, the prefabricated assembled concrete bridge pier of the present application includes a cap 1, a pier column 3 and a cap beam 2, wherein the pier column 3 is arranged in a vertical direction, the cap 1 is connected to the lower end of the pier column 3, and the cap beam 2 is connected to the upper end of the pier column 3. Figure 8 , Fig.11 As shown, the upper end surface of the cap 1 is provided with a second embedded connection component 6, the second embedded connection component 6 is arranged along the axial direction, the second embedded connection component 6 is arranged in multiple groups, and the multiple groups of second embedded connection components 6 are arranged along the outer peripheral contour of the pier 3, wherein the cap 1 is also provided with a cap fixing member 7, the cap fixing member 7 includes a first axial extension portion 18 and a first radial extension portion 19, the first axial extension portion 18 extends axially upward, the first axial extension portion 18 is in contact with the outer peripheral side of the pier 3, the first radial extension portion 19 is connected to the lower side of the first axial extension portion 18, the first radial extension portion 19 extends outward in the horizontal radial direction, and the first radial extension portion 19 is connected to the lower side of the first axial extension portion 18. The angle between the part 19 and the first axial extension part 18 is 90 degrees, and the first radial extension part 19 is in contact with the upper end surface of the pedestal 1; the lower end of the second embedded connection component 6 is inserted into the pedestal 1 to be connected with the pedestal 1, and the upper end passes through the first radial extension part 19 to be connected with the pedestal fixing piece 7; wherein, the lower end of the pier 3 is provided with a first embedded connection component 4, the first embedded connection component 4 is arranged in the radial direction, and the first embedded connection component 4 passes through the first axial extension part 18 to be connected with the pedestal fixing piece 7, that is, the pedestal fixing piece 7 is respectively connected with the first embedded connection component 4 and the second embedded connection component 6, so that the pier 3 and the pedestal 1 are connected and fixed.

[0055] like Figures 1 to 4 As shown, a third embedded connection component 8 is provided at the lower end of the cap beam 2, and the third embedded connection component 8 is arranged in multiple groups, and the multiple groups of third embedded connection components 8 are arranged along the outer peripheral contour of the pier 3, wherein a cap beam fixing member 9 is also provided on the cap beam 2, and the cap beam fixing member 9 includes a second axial extension portion 20 and a second radial extension portion 21, the second axial extension portion 20 extends axially downward, the second axial extension portion 20 is in contact with the outer peripheral side of the pier 3, the second radial extension portion 21 is connected to the upper part of the first axial extension portion 18, the second radial extension portion 21 extends horizontally radially outward, and the second radial extension portion 21 is connected to the second axial extension portion 18. The angle between the extension parts 20 is 90 degrees, and the second radial extension part 21 is in contact with the lower end surface of the cap beam 2; the upper end of the third embedded connection component 8 is inserted into the cap beam 2 to be connected with the cap beam 2, and the lower end passes through the second radial extension part 21 to be connected with the cap beam fixing member 9; wherein, a first embedded connection component 4 is provided at the upper end of the pier 3, and the first embedded connection component 4 is arranged in the radial direction, and the first embedded connection component 4 passes through the second axial extension part 20 to be connected with the cap beam fixing member 9, that is, the cap beam fixing member 9 is respectively connected with the first embedded connection component 4 and the third embedded connection component 8, so that the pier 3 and the base 1 are connected and fixed.

[0056] In this embodiment, the upper and lower ends of the pier 3 are both provided with a first embedded connection component 4, the first embedded connection component 4 is arranged in the radial direction on the periphery of the pier 3, the first embedded connection component 4 is provided in at least two groups, the first embedded connection components 4 are arranged at equal intervals on the periphery of the pier 3, and the first embedded connection components 4 at the same end are arranged at the same height; wherein, Fig. 9 , Fig.10 As shown, the first embedded connection component 4 at the upper end is connected to the cap beam fixing member 9, the second axial extension portion 20 is provided with a mounting hole for the first embedded connection component 4 to pass through, and the second radial extension portion 21 is provided with a mounting hole for the third embedded connection component 8 to pass through, thereby realizing the connection and fixation between the pier 3 and the cap beam 2; Figure 8 , Fig.11 As shown, the first embedded connection component 4 at the lower end is connected to the cap fixing member 7, and the first axial extension portion 18 of the cap fixing member 7 is provided with a mounting hole for the first embedded connection component 4 to pass through, and the first radial extension portion 19 is provided with a mounting hole for the second embedded connection component 6 to pass through, thereby realizing the connection and fixation between the pier column 3 and the cap 1. In this embodiment, the cap fixing member 7 and the cap beam fixing member 9 can be made of angle steel.

[0057] In another optional embodiment of the present application, based on any of the above embodiments, the first embedded connection component 4 is further expanded, such as Figure 1 , Figure 7 As shown, the first embedded connection component 4 includes an embedded sleeve 14 and a fixing bolt 15. The embedded sleeve 14 is embedded in the pier 3. The embedded sleeve 14 is arranged along the radial direction. An installation cavity for inserting the fixing bolt 15 is provided in the embedded sleeve 14. The screw of the fixing bolt 15 passes through the segment fixing piece 5 and the embedded steel plate 13 at one time and enters the embedded sleeve 14. The head end face of the fixing bolt 15 is fitted with the end face of the segment fixing piece 5 to limit the fixing bolt 15. The outer diameter of the head of the fixing bolt 15 is larger than the aperture diameter of the mounting hole of the segment fixing piece 5, and the aperture diameter of the mounting hole is roughly the same as the outer diameter of the screw of the fixing bolt 15.

[0058] In this embodiment, threads can be set in the insertion hole of the embedded steel plate 13 and the mounting hole of the segment fixing piece 5, and matching threads can be set on the screw rod of the fixing bolt 15, so that the fixing bolt 15 is threadedly connected to the embedded steel plate 13 and the segment fixing piece 5; at the same time, welding can be performed after the fixing bolt 15 is connected to the segment fixing piece 5 to strengthen the connection strength between the first embedded connection component 4 and the segment fixing piece 5.

[0059] like Figure 1 , Figure 6 , Figure 8As shown, the components and connection methods of the second pre-embedded connection assembly 6 and the third pre-embedded connection assembly 8 are the same as the components and connection directions of the first pre-embedded connection assembly 4, and only the setting directions are different.

[0060] In another optional embodiment of the first embedded connection component 4 of the present application, as shown in FIG. Figure 3 , Fig.10 As shown, the first embedded connection component 4 includes an embedded bolt 16 and a fixing nut 17. The head of the embedded bolt 16 is embedded in the pier 3, and the screw end of the embedded bolt 16 exceeds the embedded steel plate 13 and the segment fixing piece 5 in turn. The screw of the embedded bolt 16 at least partially protrudes from the outside of the segment fixing piece 5, and the protruding part is used for connection with the fixing nut 17, so as to limit and fix the segment fixing piece 5 and the embedded bolt 16 to enhance the connection stability between the segment fixing piece 5 and the first embedded connection component 4.

[0061] Similarly, if Figure 3 , Fig. 9 , Fig.11 In the embodiment, the components and connection methods of the second pre-embedded connection component 6 and the third pre-embedded connection component 8 are the same as the components and connection directions of the first pre-embedded connection component 4, and only the setting directions are different.

[0062] Based on any of the above embodiments, in another optional embodiment of the present application, as Figure 1 , Figure 3 , Figure 5 As shown, the prefabricated assembled concrete pier also includes an interlocking portion 22, the outer diameter of the interlocking portion 22 is smaller than the outer diameter of the pier column 3, and the axial end of the interlocking portion 22 does not exceed the end of the pier column 3; the interlocking portion 22 includes a connecting protrusion 11 and a connecting groove 12, the connecting protrusion 11 protrudes along the axial direction, and the outer wall of the connecting protrusion 11 fits with the inner wall of the connecting groove 12, that is, the connecting protrusion 11 and the connecting groove 12 just match. In this embodiment, the upper end of the pedestal 1 is provided with a connecting protrusion 11, the lower end of the cap beam 2 is provided with a connecting protrusion 11, and the upper and lower ends of the pier column 3 are both provided with connecting grooves 12, thereby improving the connection stability and connection strength of the pier column 3 with the pedestal 1 and the cap beam 2 respectively.

[0063] In this embodiment, all the connecting protrusions 11, connecting grooves 12, and axial center lines of the pier 3 are on the same straight line, and the setting positions of the connecting protrusions 11 and the connecting grooves 12 can be interchanged. It is only necessary to ensure that one interlocking portion 22 includes one connecting protrusion 11 and one connecting groove 12.

[0064] Furthermore, the connecting protrusion 11 includes a fixed end and a free end, the fixed end is an end at which the connecting protrusion 11 is connected to the base 1, the cap beam 2 or the pier 3, and the free end is an end away from the bottom end, wherein the outer diameter of the free end is smaller than the outer diameter of the fixed end, so that the free end of the connecting protrusion 11 is smaller than the fixed end, and the side surface is an inclined surface to have a guiding effect, thereby making the connection protrusion 11 and the connecting groove 12 fit faster, more convenient and more accurate.

[0065] Furthermore, in another optional embodiment of the present application, the pier 3 is further improved; Figures 1 to 4 As shown, the pier column 3 includes at least two pier body segments 10, and the multiple pier body segments 10 are connected in the axial direction to form the pier column 3, which is arranged into a multi-section structure, which can be convenient for transportation and can effectively save costs; a first pre-buried connection component 4 is provided at both ends of the pier body segment 10, and a segment fixing member 5 is provided outside the pier body segment 10, which extends in the axial direction, and the segment fixing member 5 spans the connection between two adjacent pier body segments 10, and the upper part of the segment fixing member 5 is connected to the first pre-buried connection component 4 of the upper pier body segment 10, and the lower part of the segment fixing member 5 is connected to the first pre-buried connection component 4 of the lower pier body segment 10, that is, the two adjacent pier body segments 10 are connected to the first pre-buried connection component 4 through the connection between the segment fixing member 5 and the first pre-buried connection component 4 to achieve connection and fixation; in this embodiment, the upper part of the segment fixing member 5 covers the upper end of the first pre-buried connection component 4 of the upper pier body segment 10, and the lower part of the segment fixing member 5 covers the lower end of the first pre-buried connection component 4 of the adjacent lower pier body segment 10.

[0066] Further, such as Figure 5 As shown, in the present application, two pier body segments 10 are included, which are divided into a first pier body segment 10 and a second pier body segment 10. The first pier body segment 10 is connected to the upper end of the second pier body segment 10. The first pier body segment 10 is connected to the cap beam 2, and the second pier body segment 10 is connected to the pedestal 1. The upper end of the first pier body segment 10 is provided with a connecting protrusion 11, and the lower end of the second pier body segment 10 is provided with a connecting groove 12 that matches the first pier body segment 10; the lower end of the second pier body segment 10 is provided with a connecting groove 12, and the pedestal 1 is provided with a connecting protrusion 11 that matches therewith; the upper end of the first pier body segment 10 is provided with a connecting groove 12, and the lower end of the cap beam 2 is provided with a connecting protrusion 11 that matches therewith.

[0067] In this embodiment, the segment fixing member 5 is provided with a mounting hole, which penetrates the inner and outer side walls of the segment fixing member 5 in the radial direction, and the mounting hole is used for the first embedded connection component 4 to pass through; each segment fixing member 5 is provided with two groups of mounting holes, and the two groups of mounting holes are distributed up and down along the axial direction. The upper group of mounting holes is for the upper first embedded connection component 4 to pass through, and the lower group of mounting holes is for the lower first embedded connection component 4 to pass through.

[0068] Furthermore, an embedded steel plate 13 is provided on the pier body segment 10, and the outer side of the embedded steel plate 13 is in contact with the inner side of the segment fixing piece 5, one end of the embedded steel plate 13 is flush with the end of the pier body segment 10, and the other end of the embedded steel plate 13 exceeds the upper end or the lower end of the first embedded connection component 4, and the embedded steel plate 13 covers the first embedded connection component 4. The embedded steel plate 13 is provided with a plug hole for the first embedded connection component 4 to pass through, and the hole axis of the plug hole and the mounting hole are in the same straight line and have the same aperture; the base 1 is provided with an embedded steel plate 13 that is matched with the base fixing piece 7, and at least part of the inner wall of the base fixing piece 7 is matched with the outer wall of the embedded steel plate 13; the cap beam 2 is provided with an embedded steel plate 13 that is matched with the cap beam fixing piece 9, and at least part of the inner wall of the cap beam fixing piece 9 is matched with the outer wall of the embedded steel plate 13; thereby improving the connection stability between the base 1 and the base fixing piece 7, and between the cap beam 2 and the cap beam fixing piece 9.

[0069] In this embodiment, the segment fixing member 5 is made of a steel plate, and may also be made of other strong metal materials to enhance the connection strength and stability.

[0070] In this application, if Figures 1 to 5 As shown, the pier 3 is a rectangular columnar structure, and may also be a cylindrical structure; the connecting protrusion 11 is a quadrangular pyramid structure, and may also be a truncated cone structure. The outer diameter in this application is the circumference of the outer contour.

[0071] During installation, if Figure 5 As shown, the pier column 3 and the cap beam 2 are prefabricated respectively, the base 1 is cast on site, and the second embedded connection component 6 is set during the casting; if the pier column 3 includes two pier body segments 10, during installation, the second pier body segment 10 is first installed on the base 1, and then the first pier body segment 10 is installed on the second pier body segment 10 in turn, and finally the cap beam 2 is installed on the first pier body segment 10.

[0072] It should be noted that the various embodiments of the present application can be arbitrarily combined into a new embodiment if the solutions do not conflict and the technical solutions can coexist.

[0073] The present application is described in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the present application and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A prefabricated concrete bridge pier, characterized in that: It comprises a capping platform (1), a cap beam (2), and a pier column (3), wherein one end of the pier column (3) is connected to the capping platform (1), and the other end is connected to the cap beam (2); The end of the pier column (3) is provided with a first pre-buried connection assembly (4), the end of the cap (1) connected to the pier column (3) is provided with a second pre-buried connection assembly (6), and the end of the cap beam (2) connected to the pier column (3) is provided with a third pre-buried connection assembly (8); It also includes a cap beam fixing member (9) and a base fixing member (7); At one end of the pier column (3) close to the cap (1), the first embedded connection component (4) is connected to one end of the cap fixing member (7), and the second embedded connection component (6) is connected to the other end of the cap fixing member (7), so as to realize the connection between the pier column (3) and the cap (1); At one end of the pier (3) close to the cap beam (2), the first embedded connection component (4) is connected to one end of the cap beam fixing member (9), and the third embedded connection component (8) is connected to the other end of the cap beam fixing member (9), so as to realize the connection between the pier (3) and the cap beam (2).

2. The prefabricated concrete bridge pier according to claim 1, characterized in that: The first pre-buried connection components (4) are at least two groups, and the first pre-buried connection components (4) are arranged at equal intervals along the outer periphery of the pier (3); The first pre-embedded connection component (4) is arranged along the radial direction, and the second pre-embedded connection component (6) and the third pre-embedded connection component (8) are arranged along the axial direction.

3. The prefabricated assembled concrete bridge pier according to claim 1, characterized in that: The first embedded connection assembly (4) comprises an embedded bolt (16) and a fixing nut (17), wherein the embedded bolt (16) is embedded in the pier (3), and the end of the embedded bolt (16) passes through the pedestal fixing member (7) or the cap beam fixing member (9), and the embedded bolt (16) at least partially protrudes from the outside of the cap beam fixing member (9) or the pedestal fixing member (7) to be connected with the fixing nut (17).

4. The prefabricated concrete bridge pier according to claim 1, characterized in that: The first embedded connection assembly (4) comprises an embedded sleeve (14) and a fixing bolt (15); the embedded sleeve (14) is arranged in the pier (3); the fixing bolt (15) passes through the cap beam fixing member (9) or the base fixing member (7) and is then inserted into the embedded sleeve (14).

5. The prefabricated assembled concrete bridge pier according to claim 1, characterized in that: The platform fixing member (7) comprises a first axial extension portion (18) and a first radial extension portion (19), wherein the first axial extension portion (18) is in contact with the outer side of the pier (3), and the first radial extension portion (19) is in contact with the upper end surface of the platform (1); The first pre-embedded connection component (4) is connected to the first axial extension portion (18), and the second pre-embedded connection component (6) is connected to the first radial extension portion (19); The first axial extension portion (18) is provided with a mounting hole for the first embedded connection component (4) to pass through, and the first radial extension portion (19) is provided with a mounting hole for the second embedded connection component (6) to pass through.

6. The prefabricated concrete bridge pier according to claim 1, characterized in that: The cap beam fixing member (9) comprises a second axial extension portion (20) and a second radial extension portion (21), wherein the second axial extension portion (20) is in contact with the outer side of the pier (3), and the second radial extension portion (21) is in contact with the lower end surface of the cap beam (2); The first pre-embedded connection component (4) is connected to the second axial extension portion (20), and the third pre-embedded connection component (8) is connected to the second radial extension portion (21); The second axially extending portion (20) is provided with a mounting hole for the first embedded connection component (4) to pass through, and the second radially extending portion (21) is provided with a mounting hole for the third embedded connection component (8) to pass through.

7. The prefabricated concrete bridge pier according to claim 1, characterized in that: The pier column (3) comprises at least two pier segments (10), and the first pre-buried connection assembly (4) is arranged at the end of the pier segment (10); The prefabricated assembled concrete bridge pier also includes a segment fixing member (5), and the first pre-buried connection components (4) of two adjacent pier body segments (10) are connected to the segment fixing member (5) to achieve the connection of the two adjacent pier body segments (10).

8. The prefabricated assembled concrete bridge pier according to claim 7, characterized in that: The pier column (3), the cap (1) and the cap beam (2) are all provided with embedded steel plates (13). At least a portion of the inner wall of the segment fixing member (5) is in contact with the outer wall of the embedded steel plate (13); At least part of the inner wall of the cap beam fixing member (9) is in contact with the outer wall of the embedded steel plate (13); At least a portion of the inner wall of the platform fixing member (7) is in contact with the outer wall of the embedded steel plate (13).

9. The prefabricated concrete bridge pier according to claim 1, characterized in that: The prefabricated assembled concrete bridge pier also includes an interlocking portion (22), the interlocking portion (22) includes a connecting protrusion (11) and a connecting groove (12), the connecting protrusion (11) protrudes in the axial direction, and the outer wall of the connecting protrusion (11) is in contact with the inner wall of the connecting groove (12); Wherein, the support platform (1) and the end where the support platform (1) is connected to the pier column (3) are provided with a connecting protrusion (11), and the two ends of the pier column (3) are provided with a connecting groove (12).

10. The prefabricated assembled concrete bridge pier according to claim 9, characterized in that: The axial center line of the connecting protrusion (11) and the axial center line of the pier (3) are on the same straight line; The outer diameter of the connecting protrusion (11) is smaller than the outer diameter of the pier (3); The outer diameter of the free end of the connecting protrusion (11) is smaller than the outer diameter of the fixed end.

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