Pillar pier reinforcing device

Abstract

The invention discloses a column pier reinforcing device, and relates to the technical field of bridge column pier reinforcing. The reinforcing device comprises a sleeve assembly and a pull rod assembly which are symmetrically connected through a bolt, and the sleeve assembly is sleeved with the pull rod assembly in a surrounding mode. According to an existing column pier reinforcing scheme, self-locking force of a reinforcing structure is insufficient, in the daily use process, under the action of vehicle vibration loads and the influence of the natural environment, slippage and dislocation are prone to occurring, the bearing capacity is reduced, the construction difficulty is large, and time and labor are wasted. The invention provides a column pier reinforcing device which is used for improving the bearing capacity of an existing column pier and prolonging the service life of the column pier.

Description

Technical Field

[0001] The invention relates to the technical field of bridge column reinforcement, and in particular to a column reinforcement device. Background Art

[0002] In construction and bridge engineering, columns and piers are key load-bearing structures. With the continuous increase in traffic volume and vehicle loads, especially the frequent passage of overweight vehicles, as well as natural factors such as temperature and humidity changes and chemical corrosion in the surrounding area, the bearing capacity of columns and piers faces severe challenges. The reduction of their bearing capacity will seriously affect the safety and stability of the structure.

[0003] Therefore, improving the bearing capacity of column piers is of great significance to the current development of road traffic. At present, there are many methods to improve the bearing capacity of column piers, but they are generally costly, slow to construct, and easy to fail under the vibration load of vehicles during subsequent use. Summary of the invention

[0004] The embodiment of the present invention discloses a column pier reinforcement device, which is used to improve the bearing capacity of existing column piers. The existing column pier reinforcement scheme has insufficient self-locking force of the reinforcement structure, and is easy to slip and lose position under the action of vehicle vibration load during daily use, resulting in reduced bearing capacity. In addition, the construction is difficult, time-consuming and labor-intensive.

[0005] The embodiment of the utility model provides a column pier reinforcement device, comprising: a column pier and a reinforcement device; the reinforcement device comprises two sleeve assemblies and a tie rod assembly symmetrically connected by bolts, and the tie rod assembly is encircled by the sleeve assembly.

[0006] Preferably, the sleeve assembly body is a semi-circular sleeve, studs are vertically welded on the inner side of the semi-circular sleeve, and a pull rod assembly support is welded on the outer side.

[0007] Preferably, the tie rod assembly support is provided with a tie rod assembly support rotating shaft, and the tie rod assembly support rotating shaft functions to constrain the tie rod assembly.

[0008] Preferably, the main body of the pull rod assembly is a clamp hoop and a pull rod; the clamp hoop is a bow-shaped embedded steel plate, the mid-span portion of the clamp hoop protrudes inward, and force transmission plates are welded at both ends to achieve force transmission between the pull rod assembly and the sleeve assembly.

[0009] Preferably, the tie rod is abutted against the force transmission plate by a tie rod anchor via a tie rod support, and the tie rod tension is provided by the tie rod anchor.

[0010] Preferably, the force transmission plate is provided with a pull rod through hole and a pull rod rotating shaft hole, and the pull rod rotating shaft hole is adapted to the pull rod assembly support shaft.

[0011] Preferably, the pier is provided with pier anchor bars at a preset installation sleeve position, and the distance between the outer wall of the pier and the inner side of the semicircular sleeve is 80 mm.

[0012] The column pier reinforcement device provided by the present invention has the following advantages: The invention comprises: a column pier and a reinforcement device; the reinforcement device comprises two sleeve assemblies and a tie rod assembly symmetrically connected by bolts, and the tie rod assembly surrounds the sleeve assembly. The invention enhances the clamping force of the reinforcement device on the column pier by an adjustable tie rod assembly, effectively reduces the risk of slippage and dislocation under the daily vehicle vibration load and the influence of the natural environment, and the clamping force of the tie rod assembly on the column pier can be adjusted in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of a column pier reinforcement device provided in an embodiment of the present invention; Figure 2 A schematic diagram of a sleeve assembly of a pier reinforcement device provided in an embodiment of the present invention; Figure 3 A schematic diagram of a column pier reinforcement device provided in an embodiment of the present invention; Figure 4 A schematic diagram of a tie rod assembly of a pier reinforcement device provided in an embodiment of the present invention; Figure 5 A schematic diagram of a column pier provided in an embodiment of the present invention; Figure 6 It is a schematic diagram of the installation of the column pier reinforcement device provided in an embodiment of the present invention; Figure 7 A schematic diagram of a force transfer plate of a column pier reinforcement device provided in an embodiment of the present invention; In the figure: 0. Reinforcement device; 1. Sleeve assembly; 11. Bolt; 12. Stud; 13. Semicircular sleeve; 14. Tie rod assembly support; 141. Tie rod assembly support shaft; 2. Tie rod assembly; 21. Clamp hoop; 22. Tie rod support; 23. Force transfer plate; 231. Tie rod shaft hole; 232. Tie rod through hole; 24. Tie rod anchor; 25. Tie rod; 3. Column pier system; 31. Column pier support; 32. Column pier; 33. Column pier embedded reinforcement; 4. Grouting filler. DETAILED DESCRIPTION

[0014] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] The embodiment of the invention discloses a column pier reinforcement device, which is used to improve the bearing capacity of the existing column pier.

[0016] See also Figure 1-7 An embodiment of the present invention provides a column pier reinforcement device, comprising: a column pier 32 and a reinforcement device 0; the reinforcement device 0 comprises two sleeve assemblies 1 and a tie rod assembly 2 symmetrically connected by bolts 11, and the tie rod assembly 2 is encircled by the sleeve assembly 1; It should be noted that the reinforcing device 0 takes the axial direction of the pull rod 25 as the positive direction, and the installation direction of the reinforcing device 0 and the column pier 32 is not limited during the installation process.

[0017] See also Figure 2 , 5 As a further improvement, before the reinforcement device 0 is installed on the pier 32, a pier embedded reinforcement 33 needs to be set at the reinforcement position of the pier 32, which together with the bolts 12 of the semicircular ring sleeve 13 of the reinforcement device 0 bear part of the shear force generated by the reinforcement device 0 due to its own gravity.

[0018] It should be noted that the column pier embedded reinforcement 33 should be staggered with the bolts 12 to avoid intersection and cause installation difficulties.

[0019] See also Figure 1 , 2 , 3, 6, as a further improvement, the main body of the sleeve assembly 1 is a semi-circular sleeve 13, a stud 12 is vertically welded on the inner side of the semi-circular sleeve 13, and a pull rod assembly support 14 is welded on the outer side.

[0020] See also Figure 3 As a further improvement, the tie rod assembly support 14 is provided with a tie rod assembly support rotating shaft 141, and the tie rod assembly support rotating shaft 141 functions to constrain the tie rod assembly 2.

[0021] It should be noted that the connection and force transmission between the tie rod assembly 2 and the sleeve assembly 1 mainly rely on the tie rod assembly support 14, and the tie rod assembly support 14 is connected to the tie rod assembly 2 in a hinged connection.

[0022] See also Figure 1 , 4 7. As a further improvement, the main body of the pull rod assembly 2 is a clamp hoop 21 and a pull rod 25; the clamp hoop 21 is a bow-shaped embedded steel plate, the mid-span portion of the clamp hoop 21 protrudes inward, and force transmission plates 23 are welded at both ends to realize the force transmission between the pull rod assembly 2 and the sleeve assembly 1.

[0023] See also Figure 4As a further improvement, the pull rod 25 is abutted against the force transmission plate 23 through the pull rod support 22 by a pull rod anchor 24 , and the tension of the pull rod 25 is provided by the pull rod anchor 24 .

[0024] See also Figure 7 As a further improvement, the force transmission plate 23 is provided with a pull rod through hole 232 and a pull rod shaft hole 231, and the pull rod shaft hole 231 is adapted to the pull rod assembly support shaft 141.

[0025] See also Figure 7 As a further improvement, the pier 32 is provided with pier anchor bars 33 at the preset installation sleeve position, and the distance between the outer wall of the pier 32 and the inner side of the semicircular sleeve 13 is 80 mm.

[0026] It should be noted that the 80mm gap is reserved for filling the grouting filler 4. See also Figure 1-7 The construction steps of a column reinforcement device provided in this embodiment include: Step 1: Install temporary construction support, install crane and related support on pier system 3; Step 2: Use a steel bar detector to measure the original steel bar position of the column pier 32, avoid the original steel bar position, try to keep it evenly distributed, and draw a mark for setting the column pier planting bar 33; Step 3: Use a drilling machine to drill holes at the marked positions of the column pier 32, remove concrete debris, and implant the column pier rebar 33; Step 4: Install the tie rod assembly 2 on the sleeve assembly 1 in advance, and the tie rod 25 is only connected but not tightened; Step 5: Lift the reinforcement device 0 to a predetermined height, adjust the tie rod anchor 24, reduce the distance between the sleeve assemblies 1 to 3 mm, and temporarily fill the gap between the two sleeve assemblies 1 with sealant; Step 6: inject grouting filler 4 between the reinforcement device 0 and the column pier 32, and connect the sleeve assembly with bolts 11; Step 7: Adjust the tie rod anchor again to the preset force.

[0027] Different plates in the column pier reinforcement device of the present invention are welded together, and the material of each component is preferably steel.

[0028] The above is a detailed introduction to a column pier reinforcement device provided by the present invention. For a person skilled in the art, according to the idea of ​​the embodiment of the present invention, there may be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A column reinforcement device, characterized in that: include: A pier and a reinforcement device; the reinforcement device comprises two sleeve assemblies and a tie rod assembly symmetrically connected by bolts, and the tie rod assembly is encircled by the sleeve assembly.

2. The sleeve assembly according to claim 1, characterized in that The sleeve assembly body is a semicircular sleeve, studs are vertically welded on the inner side of the semicircular sleeve, and a pull rod assembly support is welded on the outer side.

3. The tie rod assembly support according to claim 2, characterized in that: The tie rod assembly support is provided with a tie rod assembly support rotating shaft, and the tie rod assembly support rotating shaft functions to constrain the tie rod assembly.

4. The tie rod assembly according to claim 1, characterized in that: The main body of the pull rod assembly is a clamp hoop and a pull rod; the clamp hoop is a bow-shaped embedded steel plate, the mid-span portion of the clamp hoop protrudes inward, and force transmission plates are welded at both ends to achieve force transmission between the pull rod assembly and the sleeve assembly.

5. The pull rod according to claim 4, characterized in that: The pull rod is abutted against the force transmission plate by a pull rod anchor through a pull rod support, and the pull rod tension is provided by the pull rod anchor.

6. The force transmission plate according to claim 4, characterized in that: The force transmission plate is provided with a pull rod through hole and a pull rod rotating shaft hole, and the pull rod rotating shaft hole is adapted to the pull rod rotating shaft.

7. The column pier according to claim 1, characterized in that: The pier is provided with pier embedding reinforcement at a preset installation sleeve position, and the distance between the outer wall of the pier and the inner side of the semicircular sleeve is 80 mm.

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