CN212223639U - Symmetrical embedded-pulling support reinforcing structure for single-column pier bridge - Google Patents
Symmetrical embedded-pulling support reinforcing structure for single-column pier bridge Download PDFInfo
- Publication number
- CN212223639U CN212223639U CN202020340306.2U CN202020340306U CN212223639U CN 212223639 U CN212223639 U CN 212223639U CN 202020340306 U CN202020340306 U CN 202020340306U CN 212223639 U CN212223639 U CN 212223639U
- Authority
- CN
- China
- Prior art keywords
- support
- bridge
- embedded
- mound
- stabilizing
- 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.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a single-column pier bridge symmetry inlays and draws support reinforced structure, including the box girder, only the pillar mound, stabilizing support, newly-increased support, anchor pull rod and embedded support, mated stabilizing support sets up in two sides of the horizontal bridge direction of only the pillar mound, the symmetry sets up many pairs of embedded supports on two lateral walls of the horizontal bridge direction of only the pillar mound, the bottom sprag of the vertical pole of stabilizing support is connected in embedded support, vertical pole is along the lateral wall direction of only the pillar mound, at least one line anchor pull rod passes the cross-section of only the pillar mound and to the vertical pole of pulling fixed stabilizing support along the horizontal bridge, newly-increased support is direct or indirectly supports the top that is fixed in stabilizing support through horizontal distribution roof beam, and closely support in the bottom surface of box girder. The utility model discloses it is simple to reinforce the structure system, and part is small in quantity, and the atress is reasonable clear and definite, and easy standardization has universal applicability.
Description
Technical Field
The utility model relates to a bridge reinforced structure, concretely relates to single-column mound bridge symmetry inlays draws support reinforced structure belongs to bridge technical field.
Background
The single-column pier belongs to the lower part structure of a bridge and is commonly used in a overpass, an overpass and a ramp bridge of an interchange of a highway of an urban road. Because urban traffic is busy, cities and surrounding construction land use are limited, piers are often required to fall within a limited range during construction, and the single-column pier bridge has the advantages of attractive form, small occupied area and the like, so that the single-column pier bridge plays an important role in modern bridge engineering construction.
In recent years, single-column pier bridges are collapsed due to improper construction operation in the construction process or overload vehicle passing in the operation process. The accidents often have no obvious symptoms, are sporadic and destructive, bring huge life and property losses, have severe social influence and are a great hidden danger for the safe operation of the bridge structure, so the anti-overturning reinforcing technology of the single-column pier bridge body is the key point of the research in the current bridge field.
For example, chinese patent CN 207646598U discloses an anti-overturning and anti-falling beam reinforcing device for single-column piers, which comprises a reinforcing member arranged on the side wall of the single-column pier for reinforcing the single-column pier, and a supporting member arranged below the box girder for supporting the box girder, wherein the reinforcing member is fixed by steel hoops and chemical bolts; for another example, chinese patent CN 209307841U discloses a single-column pier steel plate combined bent cap reinforced structure, wherein a concrete protective layer stripping area is arranged on the upper portion of the pier, and the outer side of the concrete protective layer stripping area is respectively provided with a hoop arc plate, a butt-clamping vertical plate, a shaped top plate with an arc, a vertical cross rib plate, a vertical longitudinal rib plate, and a reinforced horizontal rib plate, and the newly added support is arranged on the outer side of the shaped top plate with an arc.
The reinforcing structure system of the single-column pier bridge anti-overturning technology is complex, the bearing capacity of the hoop is limited, a plurality of parts related to processing are provided, the parts are difficult to standardize, and the reinforcing structure is difficult to generally apply to the single-column pier bridge.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that single-column mound bridge topples easily under the circumstances such as overload, provide a single-column mound bridge symmetry and inlay and draw support reinforced structure, this structure can provide the side direction holding power when the bridge roof beam body bears eccentric load, thereby improve the antidumping ability of the bridge roof beam body, ensure single-column mound bridge safety, and this structure simple structure, it is reasonable to stabilize the supporting structure atress, it provides powerful shear force to inlay solid the support, it is convenient to consolidate the construction, economic safety.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a single column mound bridge symmetry inlays draws support reinforced structure, a serial communication port, including the case roof beam, only the pillar mound, stabilizing support, newly-increased support, anchor pull rod and inlay solid the support, the horizontal middle part of case roof beam supports in the top of only the pillar mound, mated stabilizing support sets up in two sides of the horizontal bridge direction of only the pillar mound, stabilizing support comprises vertical pole, horizon bar, down tube, and its frame is right triangle, and the triangle-shaped structure provides stable atress structural style for this framework.
Simultaneously, the symmetry sets up many pairs of built-in supports on two lateral walls of the horizontal bridge direction of single-column mound, and the bottom support of the vertical pole of stabilizing support is connected in the built-in support, and vertical pole is along the lateral wall direction of single-column mound, and at least one line of anchor pull rod passes the cross-section of single-column mound and is to the vertical pole of drawing fixed stabilizing support along the horizontal bridge direction, and newly-increased support is directly or indirectly supported the top that is fixed in stabilizing support through horizontal distribution roof beam to closely support in the bottom surface of case roof beam.
The vertical rods, the horizontal rods and the inclined rods are connected with one another by welding or anchor bolts at the respective end parts, the horizontal rods are perpendicular to the vertical rods, and the inclined rods are obliquely connected with the vertical rods and the horizontal rods.
The horizontal distribution beam is perpendicular to the horizontal rods of the pairs of stabilizing supports and is fixed at the top of the horizontal distribution beam.
The embedded support is made of profile steel, profile steel concrete or steel pipe concrete, the exposed length is not less than 50mm, the depth of the embedded support embedded into the single-column pier is not less than 100mm, the bottom end of the embedded support is anchored in the single-column pier, and the exposed part provides vertical support of the stabilizing support.
The connection mode of the stabilizing support and the embedded support is simple support fixing, pin joint, bolt connection or welding connection.
The anchoring pull rod is made of one of a steel bar, a finish rolling threaded steel bar or a prestressed steel strand, and provides effective resistance for the outward overturning of the stabilizing support.
When the single-column pier is in a circular or other curved surface shape, the fixing area of the stabilizing support can be changed into a rectangular section by enlarging the section in advance.
The utility model discloses for existing pier bridge antidumping technique, its beneficial effect as follows:
(1) the reinforced structure system is simple, the number of parts related to processing is small, and the construction is convenient.
(2) The anchoring pull rod, the embedded support and the stabilizing support are reasonably and definitely stressed, and the provided anti-overturning bearing capacity is high.
(3) The processed parts are easy to standardize, and the anchoring pull rod, the embedded support and the stabilizing support can be prefabricated parts, so that the assembling requirements of a factory prefabrication and processing site are met.
(4) The method has universal applicability to the reinforcement of the single-column pier bridge.
(5) The newly-added support provides the supporting force, and simultaneously, the transverse rigidity of the reinforced bridge is greatly improved.
Description of the drawings:
FIG. 1 is a front view of a symmetrical embedment-pulling bracket reinforcing structure (a plurality of pairs of stabilizing brackets) of a single-column pier bridge;
FIG. 2 is a top view at section A-A of FIG. 1;
FIG. 3 is a side view of a symmetrical bracing support reinforcing structure (pairs of stabilizing supports) for a single pier bridge;
FIG. 4 is a front view of a symmetrical bracing support reinforcing structure (a pair of stabilizing supports) of a single pier bridge;
FIG. 5 is a top view at section B-B of FIG. 4;
in all the drawings, 1 is a box girder; 2 is a single column pier; 3 is a stable bracket; 31 is a vertical rod; 32 is a horizontal rod; 33 is a diagonal rod; 34 is a horizontal distribution beam; 4, adding a support; 5 is an anchoring pull rod; 6 is an embedded support.
The specific implementation mode is as follows:
the invention is further described with reference to the accompanying drawings and the detailed description: a symmetrical embedded-pulling support reinforcing structure of a single-column pier bridge is characterized by comprising a box girder 1, single-column piers 2, stabilizing supports 3, newly-added supports 4, anchoring pull rods 5 and embedded supports 6, wherein the transverse middle part of the box girder 1 is supported at the top parts of the single-column piers 2, paired stabilizing supports 3 are arranged on two side surfaces of the single-column piers 2 in the transverse bridge direction, each stabilizing support 3 consists of a vertical rod 31, a horizontal rod 32 and an inclined rod 33, the outer frame of each stabilizing support is in a right-angled triangle shape, meanwhile, a plurality of pairs of embedded supports 6 are symmetrically arranged on two side walls of the single-column piers 2 in the transverse bridge direction, the bottom end of the vertical rod 31 of each stabilizing support 3 is connected to the embedded supports 6 in a supporting mode, the vertical rods 31 are in the direction of the side walls of the single-column piers 2, at least one row of the anchoring pull rods 5 penetrate through the cross sections of the single-column piers 2 and oppositely pull the vertical rods 31 of the stabilizing supports 3 along the transverse bridges, and is closely supported to the bottom surface of the box girder 1.
The vertical rods 31, the horizontal rods 32 and the inclined rods 33 are connected with each other at respective ends by welding or anchor bolts, the horizontal rods 32 are perpendicular to the vertical rods 31, and the inclined rods 33 are obliquely connected with the vertical rods 31 and the horizontal rods 32.
The horizontal distribution beams 34 are perpendicular to the horizontal bars 32 of the pairs of stabilizer brackets 3 and are fixed to the top thereof.
The embedded support 6 is made of section steel, section steel concrete or steel pipe concrete, the exposed length is not less than 50mm, and the depth of the embedded support embedded into the single-column pier 2 is not less than 100 mm.
The connection mode of the stabilizing support 3 and the embedded support 6 is simple support fixing, pin joint, bolt connection or welding connection.
The anchoring pull rod 5 is made of one of a steel bar, a finish-rolled twisted steel bar or a prestressed steel strand.
In the embodiment, when the single-column pier 2 has a rectangular cross section and a curved surface such as a circular cross section, the stabilizer holder fixing region can be previously changed to a rectangular cross section by enlarging the cross section.
Claims (6)
1. The utility model provides a single column mound bridge symmetry inlays draws support reinforced structure, a serial communication port, including case roof beam (1), single column mound (2), stabilizing support (3), newly-increased support (4), anchor pull rod (5) and built support (6), the horizontal middle part of case roof beam (1) supports in the top of single column mound (2), mated stabilizing support (3) set up in two sides of the cross-bridge direction of single column mound (2), stabilizing support (3) are by vertical pole (31), horizon bar (32), down tube (33) are constituteed, its frame is right angled triangle, and simultaneously, the symmetry sets up many pairs of built support (6) on two lateral walls of the cross-bridge direction of single column mound (2), the bottom sprag of the vertical pole (31) of stabilizing support (3) is connected in built support (6), vertical pole (31) are in the lateral wall direction of single column mound (2), the cross-section that anchor pull rod (5) passed single column mound (2) of at least one bank is along cross-bridge to the fixed stabilizing support (3) The newly added support (4) is supported and fixed on the top of the stabilizing support (3) directly or indirectly through a horizontal distribution beam (34) and is tightly supported on the bottom surface of the box girder (1).
2. The symmetrical bracing bracket reinforcing structure of the single-pier bridge, according to claim 1, wherein the vertical rods (31), the horizontal rods (32) and the diagonal rods (33) are connected with each other at respective ends thereof by welding or anchor bolts, the horizontal rods (32) are perpendicular to the vertical rods (31), and the diagonal rods (33) are obliquely connected with the vertical rods (31) and the horizontal rods (32).
3. The symmetrical bracing frame reinforcement structure of the single-pier bridge according to claim 1, wherein the horizontal distribution beams (34) are perpendicular to the horizontal rods (32) of the pairs of stabilizing frames (3) and fixed on the top thereof.
4. The symmetrical embedded and pulled support reinforcing structure of the single-column pier bridge as claimed in claim 1, wherein the embedded and pulled support (6) is made of section steel, section steel concrete or steel tube concrete, the exposed length is not less than 50mm, and the depth embedded into the single-column pier (2) is not less than 100 mm.
5. The symmetrical embedded and pulled support reinforcing structure of the single-pier bridge according to claim 1, wherein the connection mode of the stabilizing support (3) and the embedded support (6) is simple support fixing, pin joint, bolt joint or welding joint.
6. The symmetrical embedded and drawn support reinforcing structure of the single-pier bridge according to claim 1, wherein the anchoring pull rod (5) is one of a steel bar, a finish rolled twisted steel bar or a prestressed steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340306.2U CN212223639U (en) | 2020-03-05 | 2020-03-05 | Symmetrical embedded-pulling support reinforcing structure for single-column pier bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340306.2U CN212223639U (en) | 2020-03-05 | 2020-03-05 | Symmetrical embedded-pulling support reinforcing structure for single-column pier bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212223639U true CN212223639U (en) | 2020-12-25 |
Family
ID=73902476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020340306.2U Active CN212223639U (en) | 2020-03-05 | 2020-03-05 | Symmetrical embedded-pulling support reinforcing structure for single-column pier bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212223639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305089A (en) * | 2020-03-05 | 2020-06-19 | 南京林业大学 | It consolidates single-column mound bridge structures to inlay solid stabilizing support |
-
2020
- 2020-03-05 CN CN202020340306.2U patent/CN212223639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305089A (en) * | 2020-03-05 | 2020-06-19 | 南京林业大学 | It consolidates single-column mound bridge structures to inlay solid stabilizing support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111305089A (en) | It consolidates single-column mound bridge structures to inlay solid stabilizing support | |
| CN212223639U (en) | Symmetrical embedded-pulling support reinforcing structure for single-column pier bridge | |
| CN212897482U (en) | Construction platform for high-rise building overhanging structural layer | |
| CN211646028U (en) | Temporary anchoring structure for long-span cantilever beam | |
| CN211815595U (en) | Lower tower column tension and compression structure for cable tower | |
| CN215441490U (en) | Cast-in-place construction formwork support frame of single-column pier bent cap | |
| CN210482000U (en) | Limiting device for jacking construction of large-span steel pipe concrete tied arch bridge | |
| CN212533734U (en) | Cable buckle integrated tower | |
| CN210636293U (en) | Vertical steel arch cable-stayed bridge | |
| CN211772868U (en) | Pier temporary consolidation device in large-span continuous beam | |
| CN211228134U (en) | Large cantilever prestress bent cap support device | |
| CN207749427U (en) | A kind of bridge two-beam type I-shaped steel-concrete composite beam | |
| CN217399423U (en) | Support for V-shaped structure cast-in-place | |
| CN110847057A (en) | Flexible connection structure for continuous box girder cantilever casting | |
| CN217536706U (en) | Combined type bent cap supporting device | |
| CN217811227U (en) | Subway foundation pit cable trench suspends normal position protection architecture in midair based on H shaped steel supports | |
| CN211079895U (en) | High pier bent cap does not have cast-in-place structure of support | |
| CN212223616U (en) | Support for large cantilever bent cap construction | |
| CN214613378U (en) | Opposite-pulling structure for controlling lateral deformation of light soil | |
| CN215947912U (en) | Cast-in-place case roof beam of mountain area topography back-pulls back pressure support | |
| CN221566860U (en) | Pier top large cantilever rear anchor type lifting frame for integrally lifting arch rib of arch bridge | |
| CN212506226U (en) | Reinforced concrete steel pipe pile supporting structure | |
| CN113969792B (en) | Segment connection support system suitable for multi-circle shield and construction method thereof | |
| CN216340071U (en) | Reinforced concrete structure | |
| CN215164738U (en) | Tied-rod arch type fast-splicing support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei Shuang Dao run Highway Engineering Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000375 Denomination of utility model: A symmetrical braced reinforcement structure of single column pier bridge Granted publication date: 20201225 License type: Common License Record date: 20201218 Assignee: Zhenjiang Heng An Civil Technology Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000374 Denomination of utility model: A symmetrical braced reinforcement structure of single column pier bridge Granted publication date: 20201225 License type: Common License Record date: 20201218 Assignee: BEIJING JIUTONGQU TESTING TECHNOLOGY Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000376 Denomination of utility model: A symmetrical braced reinforcement structure of single column pier bridge Granted publication date: 20201225 License type: Common License Record date: 20201218 |