Reinforced concrete pier for extension of viaduct

Abstract

The utility model discloses a reinforced concrete pier for viaduct extension, which comprises a fixed table, the upper surface of the fixed table is fixedly connected with a pier column, a cylindrical reinforcement cage is fixedly embedded in the pier column, the middle position of the outer surface of the pier column is fixedly connected with a boss, and the boss is fixedly connected with a steel wire rope. Reinforcing steel plates are fixedly connected to the upper surface and the lower surface of the boss correspondingly, inlaying heads are fixedly connected to the surfaces of one sides of the reinforcing steel plates, combination holes are formed in the inlaying heads, the outer surfaces of the inlaying heads are fixedly inlaid in the two sides of the interior of the boss, and studs are fixedly installed in the combination holes. The surface of one side of the stud is fixedly sleeved with a first mounting ring, one side of the first mounting ring is fixedly connected with a connecting rod, and an arc-shaped combined plate is fixedly welded to one end of the connecting rod, split mounting and positioning can be achieved, then tensioning is conducted after combined connection, safety and stability are improved, use and construction are convenient, and extension and use are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of viaduct, more specifically, relate to a reinforced concrete pier for viaduct extension. BACKGROUND

[0002] The upper structure of viaduct generally uses box girder or T beam and other beam bridge structure, the style is dull, monotonous, the pier of the lower structure plays an important role in beautifying viaduld, and the vase pier similar to vase can bear the load of the upper structure, and can leave enough space for the ground road, under the heavy upper structure of the narrow and depressing viaduct, it is more beautiful, smooth and spacious, and people have a lively, light and fresh feeling, so it has been widely applied.

[0003] And in the viaduct extension construction, another concrete pier needs to be added, the application with the application publication number CN118186922A relates to the field of building structure and provides a circular reinforced concrete pier of viaduct, which comprises a support cushion, a pier column pile, a steel reinforcement support, a formwork group and a support beam; a foundation pit is formed on the ground, the pier column pile is poured into the foundation pit and extends upward; the support cushion is internally provided with cushion reinforcement, a cushion foundation pit is excavated on the ground around the pier column pile, the cushion reinforcement is connected to the pier column pile and located in the cushion foundation pit, and the support cushion is formed by filling the cushion foundation pit with concrete; the pier column comprises a vase pier column and a bearing pier column; the vase pier column is located at the center of the support cushion; the bearing pier column is provided with a plurality of bearing pier columns, which are dispersedly poured around the vase pier column and extend underground through the support cushion.

[0004] In the above disclosed structure, the boss is lacking to install the corresponding arc-shaped combination plate and the tension rod, the pier column and the original pier cannot be combined and reinforced, the stability is insufficient, the adaptability is poor, and improvement is needed. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model aims at providing a reinforced concrete pier for viaduct extension, which sets a boss on the pier column, can be positioned by pouring and forming in combination with the reinforcing steel plates on both sides, improves the stability, and installs the first mounting ring and the second mounting ring through the stud bolts to connect the arc-shaped combination plate and the tension rod, which can be positioned by separate installation, then be combined and connected and then be tensioned, improves the safety and stability, is convenient to use and construct, and is beneficial to extension.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] The utility model provides a reinforced concrete pier for viaduct extension, including fixed platform, the upper surface of fixed platform is fixedly connected with pier column, the inside of pier column is fixedly inlaid with cylinder reinforcement cage, the middle position of the outer surface of pier column is fixedly connected with the boss, the upper surface and the lower surface of boss are fixedly connected with reinforced steel plate, one side surface of reinforced steel plate is fixedly connected with inlay head, the inside of inlay head is equipped with combination hole, the inside of combination hole is fixedly installed with stud bolt, the both ends of stud bolt are all screw -threaded fixedly installed with fixed nut, one side surface of stud bolt is fixedly sleeved with first installation ring, one side of first installation ring is fixedly connected with connecting rod, one end of connecting rod is fixedly welded with arc combination board, the other end surface of stud bolt is fixedly sleeved with second installation ring, one side of second installation ring is equipped with hinged seat, one side of hinged seat is hinged with tension rod.

[0008] Further, the first installation ring and the second installation ring are respectively connected to the upper and lower surfaces of the boss, and the fixed nuts are tightly connected to the surfaces of the first installation ring and the second installation ring.

[0009] Further, the arc combination board is provided with a combination connecting hole, and the combination connecting hole is symmetrically distributed at the both end positions of the arc combination board.

[0010] Further, one end of the tension rod is provided with a mounting threaded hole, and the mounting threaded hole is located at the bottom position of the tension rod. By providing the combination connecting hole on the arc combination board and the mounting threaded hole on the tension rod, the tension rod can be combined and connected to the original pier, facilitating the combined connection for reinforcement, improving the safety and stability, and being beneficial to construction.

[0011] Further, the inner side of the cylinder reinforcement cage is fixedly connected with an internal support ring, and the internal support ring is fixedly inlaid in the inside of the pier column.

[0012] Further, the outer surface of the cylinder reinforcement cage is fixedly connected with an external positioning ring, and the external positioning ring is fixedly inlaid in the inside of the pier column.

[0013] Further, the inside of the cylinder reinforcement cage is fixedly inserted with a horizontal reinforcing rod and a vertical reinforcing rod, and the horizontal reinforcing rod and the vertical reinforcing rod are perpendicularly connected to the upper surface of the external positioning ring. By connecting the internal support ring and the external positioning ring through the cylinder reinforcement cage, and by inserting and installing the horizontal reinforcing rod and the vertical reinforcing rod, the stability of the cylinder reinforcement cage can be enhanced, the strength of the pier column pouring can be improved, and the safety of the extension use can be ensured.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The scheme sets the boss on the pier column, and can be formed and positioned by combining the reinforcing steel plates on both sides, improves the stability, and installs the first mounting ring and the second mounting ring through the stud bolts, thereby connecting the arc-shaped combination plate and the tension rod, can be installed and positioned in parts, then is combined and connected, and is tensioned, improves the safety and stability, is convenient to use and construct, and is beneficial to expansion and use.

[0016] (2) The arc-shaped combination plate is provided with a combination connecting hole, and the tension rod is provided with a mounting threaded hole, which can be combined and connected to the original pier, is convenient to combine and connect for reinforcement, improves the safety and stability, and is beneficial to construction.

[0017] (3) The internal support ring and the external positioning ring are connected through the cylindrical steel reinforcement cage, and the transverse reinforcing rod and the longitudinal reinforcing rod are connected through the plug-in installation, which can enhance the stability of the cylindrical steel reinforcement cage, improve the strength of the pier column pouring, and ensure the safety of expansion and use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structure external perspective view of the utility model;

[0019] Figure 2 It is a plane structure section view of the utility model;

[0020] Figure 3 It is a local section view of the utility model;

[0021] Figure 4 It is a local section view of the cylindrical steel reinforcement cage connection of the utility model;

[0022] Figure 5 It is a three-dimensional structure view of the reinforcing steel plate of the utility model.

[0023] Explanation of reference numerals in the drawing:

[0024] 1 fixed table, 11 pier column, 12 cylindrical steel reinforcement cage, 13 boss, 14 reinforcing steel plate, 15 inlay head, 16 combination hole, 17 stud bolt, 18 fixed nut, 2 first mounting ring, 21 connecting rod, 22 arc-shaped combination plate, 23 second mounting ring, 24 hinged seat, 25 tension rod, 26 combination connecting hole, 27 mounting threaded hole, 3 internal support ring, 31 external positioning ring, 32 transverse reinforcing rod, 33 longitudinal reinforcing rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by the ordinary skilled in the art without creative labor based on the embodiments in the utility model belong to the scope of protection of the utility model.

[0026] Please refer to Figure 1 、 Figure 2 and Figure 5 , a reinforced concrete pier for viaduct expansion, including fixed platform 1, the upper surface of fixed platform 1 is fixedly connected with pier column 11, the inside of pier column 11 is fixedly embedded with cylindrical steel reinforcement cage 12, the outer surface of pier column 11 is fixedly connected with boss 13 in the middle position, the upper surface and the lower surface of boss 13 are fixedly connected with reinforcing steel plate 14, one side surface of reinforcing steel plate 14 is fixedly connected with inlay head 15, the inside of inlay head 15 is provided with combination hole 16, the outer surface of inlay head 15 is fixedly embedded in the inside of both sides of boss 13, double-end bolt 17 is fixedly installed in the inside of combination hole 16, both ends of double-end bolt 17 are threadedly installed with fixed nut 18, one side surface of double-end bolt 17 is fixedly sleeved with first mounting ring 2, one side of first mounting ring 2 is fixedly connected with connecting rod 21, one end of connecting rod 21 is fixedly welded with arc-shaped combination plate 22, the other end surface of double-end bolt 17 is fixedly sleeved with second mounting ring 23, one side of second mounting ring 23 is provided with hinged seat 24, one side of hinged seat 24 is hingedly connected with tension rod 25, when expanding, construction can be carried out at the designed position, prefabricated cylindrical steel reinforcement cage 12 is connected and positioned, then fixed platform 1 and pier column 11 are formed and fixed by pouring concrete, and reinforcing steel plate 14 and boss 13 are integrally formed by pouring and forming, combination hole 16 is reserved, in the final stage, double-end bolt 17 can be installed into combination hole 16, both ends are fixed with first hidden turn 2 and second mounting ring 23 through fixed nut 18 respectively, which is beneficial to the combination and connection of arc-shaped combination plate 22 and tension rod 25, then arc-shaped combination plate 22 is aligned to the original pier, and is installed and fixed in combination with U-shaped bolt, which is beneficial to combination and connection and improves the stability of the overall structure, the angle of hinged adjustment tension rod 25 is adjusted, tension threaded rod is threadedly installed through installation screw hole 17, which can be tensioned and fixed from the ground position, and can be connected from multiple angle positions, which has high adaptability, so as to ensure the safety and stability of pier column 11, which is beneficial to the expansion construction of viaduct.

[0027] Please refer to Figure 2 and Figure 3The first mounting ring 2 and the second mounting ring 23 are respectively connected to the upper and lower two side surfaces of the boss 13, the fixing nut 18 is tightly connected to the surfaces of the first mounting ring 2 and the second mounting ring 23, the surface of the arc-shaped combination plate 22 is provided with combination connecting holes 26, the combination connecting holes 26 are symmetrically distributed at the two end positions of the arc-shaped combination plate 22, one end of the tension rod 25 is provided with a mounting threaded hole 27, and the mounting threaded hole 27 is located at the bottom position of the tension rod 25. The arc-shaped combination plate is provided with the combination connecting holes, the tension rod is provided with the mounting threaded hole, the original pier can be combined and connected, the combination connection is facilitated to be reinforced, the safety and stability are improved, and the construction is facilitated.

[0028] Please refer to Figure 2 and Figure 4 The inner side of the cylindrical steel reinforcement cage 12 is fixedly connected with an internal support ring 3, the internal support ring 3 is fixedly embedded in the interior of the pier column 11, the outer surface of the cylindrical steel reinforcement cage 12 is fixedly connected with an external positioning ring 31, the external positioning ring 31 is fixedly embedded in the interior of the pier column 11, the interior of the cylindrical steel reinforcement cage 12 is fixedly inserted with a transverse reinforcing rod 32 and a longitudinal reinforcing rod 33, the transverse reinforcing rod 32 and the longitudinal reinforcing rod 33 are vertically connected to the upper surface of the external positioning ring 31, the internal support ring and the external positioning ring are connected through the cylindrical steel reinforcement cage, the transverse reinforcing rod and the longitudinal reinforcing rod are combined and inserted, the stability of the cylindrical steel reinforcement cage can be enhanced, the strength of the pier column pouring can be improved, and the safety of the expansion use can be ensured.

[0029] The above describes only a preferred embodiment of the present application; however, the scope of protection of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the improved concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.

Claims

1. A reinforced concrete pier for viaduct extension, comprising a fixing table (1), an upper surface of the fixing table (1) is fixedly connected with a pier column (11), an inner part of the pier column (11) is fixedly inlaid with a cylindrical steel reinforcement cage (12), characterized in that: The outer surface of the pier column (11) is fixedly connected with a boss (13), the upper surface and the lower surface of the boss (13) are fixedly connected with a reinforcing steel plate (14), one side surface of the reinforcing steel plate (14) is fixedly connected with an inlay head (15), the inside of the inlay head (15) is provided with a combined hole (16), the outer surface of the inlay head (15) is fixedly inlaid in the inside of the boss (13), the inside of the combined hole (16) is fixedly installed with a double-headed bolt (17), both ends of the double-headed bolt (17) are threadedly installed with a fixed nut (18), one side surface of the double-headed bolt (17) is fixedly sleeved with a first mounting ring (2), one side of the first mounting ring (2) is fixedly connected with a connecting rod (21), one end of the connecting rod (21) is fixedly welded with an arc-shaped combined plate (22), the other end surface of the double-headed bolt (17) is fixedly sleeved with a second mounting ring (23), one side of the second mounting ring (23) is provided with a hinged seat (24), one side of the hinged seat (24) is hinged with a tension rod (25).

2. A reinforced concrete pier for extension of a viaduct according to claim 1, characterized in that: The first mounting ring (2) and the second mounting ring (23) are connected to the upper and lower two side surfaces of the boss (13), respectively, and the fixed nut (18) is tightly connected to the surfaces of the first mounting ring (2) and the second mounting ring (23).

3. The reinforced concrete pier for extension of viaduct according to claim 1, characterized in that: The surface of the arc-shaped combined plate (22) is provided with a combined connecting hole (26), and the combined connecting hole (26) is symmetrically distributed at both end positions of the arc-shaped combined plate (22).

4. The reinforced concrete pier for extension of viaduct according to claim 1, characterized in that: One end of the tension rod (25) is provided with a mounting threaded hole (27), and the mounting threaded hole (27) is located at the bottom position of the tension rod (25).

5. The reinforced concrete pier for extension of viaduct according to claim 1, characterized in that: The inner side of the cylindrical steel reinforcement cage (12) is fixedly connected with an internal support ring (3), and the internal support ring (3) is fixedly inlaid in the inside of the pier column (11).

6. The reinforced concrete pier for extension of viaduct according to claim 1, characterized in that: The outer surface of the cylindrical steel reinforcement cage (12) is fixedly connected with an external positioning ring (31), and the external positioning ring (31) is fixedly inlaid in the inside of the pier column (11).

7. The reinforced concrete pier for extension of viaduct according to claim 1, characterized in that: The inside of the cylindrical steel reinforcement cage (12) is fixedly inserted with a transverse reinforcing rod (32) and a longitudinal reinforcing rod (33), and the transverse reinforcing rod (32) and the longitudinal reinforcing rod (33) are perpendicularly connected to the upper surface of the external positioning ring (31).

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