CN212533698U - Device for enhancing anti-overturning performance of single-column pier - Google Patents
Device for enhancing anti-overturning performance of single-column pier Download PDFInfo
- Publication number
- CN212533698U CN212533698U CN201922338098.2U CN201922338098U CN212533698U CN 212533698 U CN212533698 U CN 212533698U CN 201922338098 U CN201922338098 U CN 201922338098U CN 212533698 U CN212533698 U CN 212533698U
- Authority
- CN
- China
- Prior art keywords
- steel
- pier
- supporting beam
- cantilever supporting
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a device for enhancing the anti-overturning performance of a single-column pier, which comprises a device body, wherein the device body comprises a main beam and a pier stud arranged right below the main beam, the surface of the pier stud is provided with a joint surface, the surface of the joint surface is provided with cement-based slurry, the surface of the cement-based slurry is provided with a steel sleeve, a steel cantilever supporting beam is arranged outside the steel sleeve, and a rigid connecting pull rod is connected between the steel cantilever supporting beam and the main beam; the invention provides a reinforcing device capable of enhancing the anti-overturning performance of a single-column pier, which effectively increases the transverse bridge direction support of a main beam through the combined reinforcing effect of a steel sleeve, a steel cantilever supporting beam, a high-strength bolt, cement-based slurry, a connecting steel seat and a rigid connecting pull rod, obviously improves the rigidity of a pier body and the main beam, is convenient and fast to construct, does not need to interrupt traffic, has good durability and convenient to maintain, and can improve the anti-overturning performance of the single-column pier.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to a device of anti-overturning performance of reinforcing single-column pier.
Background
Along with the development of economy, the traffic flow is increased sharply, and especially heavy vehicles bring huge pressure to single-column pier type bridges, so that the bridges are easy to be twisted and deformed, thereby causing safety accidents such as bridge overturning and the like, and greatly harming the life and property safety of people. In recent years, the anti-overturning reinforcement technology of the single-column pier has been developed to a certain extent, but the existing reinforcement technology still has defects in the aspects of economy and convenience. If a pier column reinforcing method is additionally arranged, the method is characterized in that two sides of an original pier are respectively additionally provided with an upright column, a basin-type rubber support is arranged at the top of a new upright column, and then the original single-column pier support is detached to form the transverse double-column pier support. The method needs to set up a temporary support, pour large-volume concrete and sometimes seal traffic, thus influencing vehicle traffic. If the existing pier column is thickened, the existing round pier column is reinforced into a transverse oval shape, a plate type rubber support is additionally arranged on the top surface of the oval pier column, and a three-point supporting system is formed between the pier column and the plate beam. According to the method, the epoxy resin is used for enhancing the bonding between the new concrete and the old concrete, so that the new concrete and the old concrete are easy to crack along with the increase of service time, the bearing capacity of the newly poured concrete is reduced, and the later maintenance cost is increased.
The existing single-column pier reinforcing technology has the problems of complex construction process, poor durability, high maintenance and repair cost, long construction period, long traffic interruption time, low practicability and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of reinforcing list column pier antidumping performance in order to solve above-mentioned problem.
The utility model provides a pair of strengthen device of single-column pier antidumping performance, including a device body, the device body includes the girder and locates the pier stud under the girder, the pier stud surface is equipped with the composition surface, the composition surface is equipped with cement-based slurry, cement-based slurry surface is equipped with the steel sleeve, the steel sleeve is equipped with steel cantilever supporting beam outward, steel cantilever supporting beam with it is equipped with the rigid connection pull rod to connect between the girder.
Preferably, the main beam with be provided with plate rubber support and support foundation stone between the pier stud, plate rubber support and support foundation stone are located the pier stud center.
Preferably, the rigid connection pull rod with girder connection one end is equipped with threaded rod annular joint, it connects the steel seat to go up to be equipped with on the threaded rod annular joint, it is equipped with a plurality of third high-strength bolts on connecting the steel seat to go up, go up connect the steel seat pass through the third high-strength bolt with the girder is connected.
Preferably, the upper connecting steel seat consists of an upper connecting steel seat ear plate and a rubber pad arranged on the upper surface of the upper connecting steel seat ear plate.
Preferably, the rigid connection pull rod is connected with the steel cantilever supporting beam, one end of the rigid connection pull rod is provided with a lower connection steel base, the lower connection steel base is provided with a plurality of fourth high-strength bolts, and the lower connection steel base is connected with the steel cantilever supporting beam through the fourth high-strength bolts.
Preferably, the rigid connection pull rod comprises a protective sleeve, an upper threaded rod and a lower threaded rod, the upper threaded rod and the lower threaded rod are arranged in the protective sleeve, a connection threaded pipe is connected between the upper threaded rod and the lower threaded rod, and a hexagonal prism is sleeved on the connection threaded pipe.
Preferably, the steel sleeve is formed by splicing a plurality of semi-annular steel sleeve assemblies, radial positioning holes are uniformly formed in the upper end and the lower end of each semi-annular steel sleeve assembly, fifth high-strength bolts are arranged in the radial positioning holes and penetrate through the radial positioning holes and are implanted into the pier stud, and the steel sleeve is fixed on the pier stud through the fifth high-strength bolts.
Preferably, the steel cantilever supporting beam is composed of two symmetrical semi-ring-shaped prefabricated components, a plurality of first high-strength bolts are arranged on the semi-ring-shaped prefabricated components, the semi-ring-shaped prefabricated components are fixedly connected with the first high-strength bolts to form the steel cantilever supporting beam, a plurality of second high-strength bolts are arranged on the steel cantilever supporting beam, and the steel cantilever supporting beam is fixedly connected with the steel sleeve through the second high-strength bolts.
The utility model has the advantages as follows:
(1) the utility model provides a reinforcing device capable of enhancing the anti-overturning performance of a single-column pier, which can obviously increase the cross-bridge support of a main beam and obviously improve the rigidity of a pier body and the cross-bridge rigidity of the main beam by the combined reinforcing action of a steel sleeve, a steel cantilever supporting beam, a high-strength bolt, cement-based slurry, a connecting steel seat and a rigid connecting pull rod;
(2) the utility model provides a reinforcing device capable of enhancing the anti-overturning performance of a single-column pier, which has simple and clear stress and small influence on the dead weight of the pier, can obviously improve the anti-overturning performance of the single-column pier, and has the advantages of small occupied area, good visibility under the bridge and the like without influencing the single-column pier;
(3) the utility model provides a reinforcing device which can enhance the anti-overturning performance of a single-column pier, not only can wholly reinforce the single-column bridge, but also can locally reinforce the pier body area;
(4) the utility model provides a can strengthen reinforcing apparatus's of monopod pier antidumping performance installation method, the device simple to operate, need not to interrupt traffic, the practicality is strong, the durability is good, maintenance easy maintenance, but wide application in the reinforcement of monopod pier antidumping performance.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a perspective view of an upper connecting steel seat in an embodiment of the present invention;
fig. 5 is an elevation view of a rigid link according to an embodiment of the present invention;
FIG. 6 is a perspective view of a rigid link according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of a rigid connection tie bar in accordance with an embodiment of the present invention;
in the figure: 1-main beam, 2-rubber pad, 3-third high-strength bolt, 4-upper connecting steel seat, 5-connecting threaded pipe, 6-upper threaded rod annular joint, 7-protective sleeve, 8-upper threaded rod, 9-lower threaded rod, 10-lower connecting steel seat, 11-fourth high-strength bolt, 12-second high-strength bolt, 13-steel cantilever support beam, 14-first high-strength bolt, 15-pier column, 16-fifth high-strength bolt, 17-steel sleeve, 18-cement-based slurry, 19-joint surface, 20-plate type rubber support, 21-support foundation stone, 22-hexagonal prism, 23-upper connecting steel seat ear plate and 24-rigid connecting pull rod.
Detailed Description
To further understand the contents and features of the present invention, the following embodiments are listed and described in detail with reference to the accompanying drawings.
As shown in fig. 1, a device of reinforcing list column pier antidumping performance, includes a device body, the device body includes girder 1 and locates pier stud 15 under girder 1, pier stud 15 surface is equipped with composition surface 19, composition surface 19 surface is equipped with cement-based thick liquids 18, cement-based thick liquids 18 surface is equipped with steel sleeve 17, steel sleeve 17 is equipped with steel cantilever supporting beam 13 outward, steel cantilever supporting beam 13 with it is equipped with rigid connection pull rod 24 to connect between the girder 1.
As shown in fig. 1-2, a plate-type rubber support 20 and a support foundation stone 21 are disposed between the main beam 1 and the pier stud 15, and the plate-type rubber support 20 and the support foundation stone 21 are located in the center of the pier stud 15.
As shown in fig. 4-5, an upper threaded rod annular joint 6 is arranged at one end of the rigid connection pull rod 24 connected with the main beam 1, an upper connection steel seat 4 is arranged on the upper threaded rod annular joint 6, a plurality of third high-strength bolts 3 are arranged on the upper connection steel seat 4, and the upper connection steel seat 4 is connected with the main beam 1 through the third high-strength bolts 3.
As shown in fig. 4, the upper connecting steel seat 4 is composed of an upper connecting steel seat ear plate 23 and a rubber pad 2 arranged on the upper surface of the upper connecting steel seat ear plate 23.
As shown in fig. 5 to 7, a lower connecting steel base 10 is disposed at one end of the rigid connecting pull rod 24 connected to the steel cantilever supporting beam 13, a plurality of fourth high-strength bolts 11 are disposed on the lower connecting steel base 10, and the lower connecting steel base 10 is connected to the steel cantilever supporting beam 13 through the fourth high-strength bolts 11.
As shown in fig. 5-7, the rigid connection pull rod 24 includes a protection sleeve 7, and an upper threaded rod 8 and a lower threaded rod 9 which are arranged in the protection sleeve 7, a connection threaded pipe 5 is connected between the upper threaded rod 8 and the lower threaded rod 9, and a hexagonal prism 22 is sleeved on the connection threaded pipe 5.
As shown in fig. 1, the steel sleeve 17 is formed by splicing a plurality of semi-annular steel sleeve assemblies, radial positioning holes are uniformly formed in the upper end and the lower end of each semi-annular steel sleeve assembly, fifth high-strength bolts 16 are arranged in the radial positioning holes, the fifth high-strength bolts 16 are inserted into the radial positioning holes and implanted into the pier stud 15, and the steel sleeve 17 is fixed on the pier stud 15 through the fifth high-strength bolts 16.
As shown in fig. 2, the steel cantilever supporting beam 13 is composed of two symmetrical semi-ring-shaped prefabricated components, a plurality of first high-strength bolts 14 are arranged on the semi-ring-shaped prefabricated components, the semi-ring-shaped prefabricated components are fixedly connected with the first high-strength bolts 14 to form the steel cantilever supporting beam 13, a plurality of second high-strength bolts 12 are arranged on the steel cantilever supporting beam 13, and the steel cantilever supporting beam 13 is fixedly connected with the steel sleeve 17 through the second high-strength bolts 12.
The cement-based grout 18 is an expansive cement-based grouting material.
It should be noted that the steel sleeve 17 formed by splicing the semi-annular steel sleeve assemblies is fixedly connected in a welding manner.
It should be noted that the fifth high-strength bolt 16 is implanted in the pier stud 15 and is staggered from the position of the steel bar in the pier stud 15.
It should be noted that the upper connecting steel seat 4 and the lower connecting steel seat 10 are located on the same vertical line, the upper connecting steel seat 4 is connected with the upper threaded rod 8, and the lower connecting steel seat 10 is connected with the lower threaded rod 9.
It should be noted that the opening of the upper connecting steel seat ear plate 23 is matched with the shape of the upper threaded rod annular joint 6, the upper connecting steel seat ear plate 23 is connected with the upper threaded rod annular joint 6 through a pin shaft, and the lower threaded rod 9 is a prefabricated integral component with the lower connecting steel seat 10.
It should be noted that the hexagonal prism 22 is preformed on the outer surface of the connecting threaded pipe 5, the direction of the threads on the surfaces of the upper threaded rod 8 and the lower threaded rod 9 is opposite, and screwing the hexagonal prism 22 can pre-stress the main beam 1 and the steel cantilever supporting beam 13 through the rigid connecting pull rod 24.
It should be noted that, the pier stud 15 with be provided with support foundation stone 21 and slab rubber support 20 between the girder 1, pier stud 15, support foundation stone 21 and slab rubber support 20 are located same vertical axis, just slab rubber support 20 is located support foundation stone 21 upper surface.
The utility model relates to a steel sleeve 17 and pier stud 15 in the device of reinforcing list post pier antidumping performance are through high strength bolt connection, and pour cement base thick liquids 18 between steel sleeve 17 and the pier stud 1, in view of the concrete pier shaft is in multidirectional compression state, the device can show the intensity and the rigidity of reinforcing pier shaft, the pier stud 15 that the outside was equipped with cement base thick liquids 18 can bear huge load jointly with steel sleeve 17, provide reliable tie point for rigid connection pull rod 24 resists to overturn.
The upper threaded rod 8 and the lower threaded rod 9 in the device for enhancing the anti-overturning performance of the single-column pier are opposite in thread direction, after all the components are installed in place, the hexagonal prism 22 is rotated to apply pre-pressure to the rigid connection pull rod 24, the pre-pressure is conveniently applied, tensioning equipment such as a jack is not needed, various pre-stress losses caused by anchorage are avoided, the connection threaded pipe 5 is convenient to replace, and the later-stage maintenance cost is low; the device has simple and definite stress, has small influence on the dead weight of the pier, can obviously improve the anti-overturning performance of the single-column pier, and has the advantages of small occupied area, good visibility under the bridge and the like without influencing the single-column pier; the reinforcement method has short construction period, does not need to interrupt traffic, can be used for integrally reinforcing the single-column bridge and locally reinforcing the pier body area, and can be widely applied to the field of anti-overturning reinforcement of the single-column pier.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the method of the present invention to any simple modifications of the above embodiments are within the scope of the method of the present invention.
Claims (7)
1. The utility model provides a reinforcing list column pier antidumping performance's device, a serial communication port, includes a device body, the device body includes girder (1) and locates pier stud (15) under girder (1), pier stud (15) surface is equipped with composition surface (19), composition surface (19) surface is equipped with cement-based thick liquids (18), cement-based thick liquids (18) surface is equipped with steel sleeve (17), steel sleeve (17) are equipped with steel cantilever supporting beam (13) outward, steel cantilever supporting beam (13) with it is equipped with rigid connection pull rod (24) to connect between girder (1).
2. The device for enhancing the overturn-resisting performance of the mono-pier according to the claim 1, wherein: girder (1) with be provided with between pier stud (15) board-like rubber support (20) and support foundation stone (21), board-like rubber support (20) and support foundation stone (21) are located pier stud (15) center.
3. The device for enhancing the overturn-resisting performance of the mono-pier according to the claim 1, wherein: rigid connection pull rod (24) with girder (1) is connected one end and is equipped with threaded rod annular joint (6), it connects steel seat (4) to go up to be equipped with on threaded rod annular joint (6), it is equipped with a plurality of third high strength bolts (3) on connecting steel seat (4) to go up, go up connecting steel seat (4) through third high strength bolt (3) with girder (1) is connected, go up connecting steel seat (4) by last connecting steel seat otic placode (23) and locate go up the rubber pad (2) of connecting steel seat otic placode (23) upper surface and constitute.
4. The device for enhancing the overturn-resisting performance of the mono-pier according to the claim 1, wherein: rigid connection pull rod (24) with steel cantilever supporting beam (13) is connected one end and is equipped with down connection steel seat (10), be equipped with a plurality of fourth high strength bolts (11) down on connection steel seat (10), down connect steel seat (10) and pass through fourth high strength bolt (11) with steel cantilever supporting beam (13) are connected.
5. The device for enhancing the overturn-resisting performance of the mono-pier according to the claim 1, wherein: rigid connection pull rod (24) include protective sheath (7) and locate last threaded rod (8) and lower threaded rod (9) in protective sheath (7), it is equipped with connecting thread pipe (5) to go up to be connected between threaded rod (8) and lower threaded rod (9), the cover is equipped with hexagonal prism (22) on connecting thread pipe (5).
6. The device for enhancing the overturn-resisting performance of the mono-pier according to the claim 1, wherein: the steel sleeve (17) is formed by splicing a plurality of semi-annular steel sleeve assemblies, radial positioning holes are uniformly formed in the upper ends and the lower ends of the semi-annular steel sleeve assemblies, fifth high-strength bolts (16) are arranged in the radial positioning holes, the fifth high-strength bolts (16) are inserted into the radial positioning holes and implanted into the pier stud (15), and the steel sleeve (17) is fixed on the pier stud (15) through the fifth high-strength bolts (16).
7. The device for enhancing the overturn-resisting performance of the mono-pier according to the claim 1, wherein: a steel cantilever supporting beam (13) comprises two symmetrical semi-ring-shaped prefabricated components, be equipped with a plurality of first high strength bolts (14) on the semi-ring-shaped prefabricated component, the semi-ring-shaped prefabricated component passes through first high strength bolt (14) fixed connection constitutes a steel cantilever supporting beam (13), be equipped with a plurality of second high strength bolts (12) on a steel cantilever supporting beam (13), a steel cantilever supporting beam (13) passes through second high strength bolts (12) with steel sleeve (17) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338098.2U CN212533698U (en) | 2019-12-23 | 2019-12-23 | Device for enhancing anti-overturning performance of single-column pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338098.2U CN212533698U (en) | 2019-12-23 | 2019-12-23 | Device for enhancing anti-overturning performance of single-column pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212533698U true CN212533698U (en) | 2021-02-12 |
Family
ID=74525348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922338098.2U Expired - Fee Related CN212533698U (en) | 2019-12-23 | 2019-12-23 | Device for enhancing anti-overturning performance of single-column pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212533698U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021235A (en) * | 2019-12-23 | 2020-04-17 | 长沙理工大学 | Device for enhancing anti-overturning performance of single-column pier and installation method |
| CN114657868A (en) * | 2022-04-17 | 2022-06-24 | 石家庄铁道大学 | Single-column pier bridge anti-overturning active adjusting device under adverse vehicle load effect |
| CN115094789A (en) * | 2022-07-04 | 2022-09-23 | 四川省交通建设集团股份有限公司 | Reinforcing method for increasing section of single-column pier |
-
2019
- 2019-12-23 CN CN201922338098.2U patent/CN212533698U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021235A (en) * | 2019-12-23 | 2020-04-17 | 长沙理工大学 | Device for enhancing anti-overturning performance of single-column pier and installation method |
| CN114657868A (en) * | 2022-04-17 | 2022-06-24 | 石家庄铁道大学 | Single-column pier bridge anti-overturning active adjusting device under adverse vehicle load effect |
| CN114657868B (en) * | 2022-04-17 | 2024-05-14 | 石家庄铁道大学 | Single-column pier bridge anti-overturning active adjusting device under adverse vehicle load effect |
| CN115094789A (en) * | 2022-07-04 | 2022-09-23 | 四川省交通建设集团股份有限公司 | Reinforcing method for increasing section of single-column pier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212533698U (en) | Device for enhancing anti-overturning performance of single-column pier | |
| CN108532474B (en) | Overturn-preventing reinforcing device and installation method for single-column pier bridge | |
| CN109267487A (en) | A kind of long big section bent cap bracket system of overhanging | |
| CN101818478A (en) | Connection structure for concrete-filled circular steel tubular pier column and concrete cover beam | |
| CN108691266B (en) | Multidirectional damping device for bridge pier | |
| CN110468691B (en) | Replaceable assembled concrete anti-swing pier system after disaster | |
| CN103266574A (en) | Simply-supported box girder bridge strengthening method with oblique cables | |
| CN111021235A (en) | Device for enhancing anti-overturning performance of single-column pier and installation method | |
| CN112049028B (en) | Damping and anti-overturning single-column pier bridge reinforcing device and installation method | |
| CN212128825U (en) | Assembled integrated pier column and bent cap combined structure | |
| CN110468727B (en) | Temporary prestress tensioning pedestal and lifting point integrated structure of segmental beam and construction method | |
| CN106087711A (en) | Antinode work beam-steel concrete top board-external prestressing combines T-shaped simply supported beam | |
| CN111455834A (en) | Self-resetting prefabricated assembled pier and construction method thereof | |
| CN204626266U (en) | Single column pier bridge exempts to build overturning or slip resistance analysis steel structure reinforcing device | |
| CN212223642U (en) | Lateral inclined strut reinforcing structure of single-column pier bridge | |
| CN109467014B (en) | Wall-attached structure for large-tonnage tower crane super-large load in large wind environment | |
| CN110792042A (en) | Anti-overturning reinforcing method for rectangular single-column pier bridge | |
| CN206428580U (en) | Multidirectional displacement bridge expansion device | |
| CN109853377A (en) | Using the continuously coupled structure of the bridge floor of ultra-high performance concrete and its construction method | |
| CN113202017A (en) | Connecting structure between prefabricated assembled pier stud and top cap and construction method | |
| CN212801168U (en) | Single-column pier bridge concreties antidumping reinforced structure | |
| CN110055905A (en) | A kind of reinforcement means of novel fabricated bricklaying donor | |
| CN212656105U (en) | Self-resetting prefabricated assembled pier | |
| CN104612173B (en) | A kind of seamless bridge neotectonics and construction method thereof that adopts ultra-high performance concrete stake | |
| CN211395312U (en) | Upper structure for wide box girder and short tower cable-stayed bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 Termination date: 20211223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |