CN211948014U - Existing reinforcing apparatus that single-column pier overpass prevented toppling - Google Patents
Existing reinforcing apparatus that single-column pier overpass prevented toppling Download PDFInfo
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- CN211948014U CN211948014U CN201922390848.0U CN201922390848U CN211948014U CN 211948014 U CN211948014 U CN 211948014U CN 201922390848 U CN201922390848 U CN 201922390848U CN 211948014 U CN211948014 U CN 211948014U
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Abstract
The utility model provides an existing reinforcing apparatus that single-prop pier overpass prevented toppling, including the main tributary vaulting pole, vertical support rod, horizontal support rod, vertical dead lever and horizontal dead lever, the upper end of main tributary vaulting pole is fixed at bridge floor bottom side, the middle part at the single-prop pier is fixed to the lower extreme of main tributary vaulting pole, the upper end of vertical support rod is fixed at bridge floor bottom middle part, the middle part at the main tributary vaulting pole is fixed to the lower extreme of vertical support rod, the well upper portion at the main tributary vaulting pole is fixed to the outer end of horizontal dead lever, the middle part at the main tributary vaulting pole is fixed to the outer end of horizontal support rod, the well upper portion at the single-prop pier is fixed to the inner of horizontal support rod, the middle part at the horizontal. The utility model discloses not only can prevent single-column pier viaduct's toppling, moreover simple and easy, convenient operation, easily construction, do not possess ground space, the cost is lower, the time limit for a project is short.
Description
Technical Field
The utility model belongs to the technical field of the construction, be applicable to the single-column mound under the overpass, relate to a reinforcing apparatus who has had single-column mound overpass to prevent toppling.
Background
The single-column pier has the advantages of smooth section, convenient construction, small occupied space under the bridge, saved occupied area, increased visual field, attractive shell and economy, and is widely applied to engineering. The city development process is accelerated, the traffic flow is increased, more cities need to build overground viaducts, and the single-column piers can be widely applied. However, the single-column pier is supported by a single column and is connected with the support, the support is connected with the overhead bridge, the fixing and connecting mode has limited capacity of bearing weight, the joint is easy to break when the single-column pier is subjected to huge stress, so that the bridge is overturned, and the overload phenomenon is very serious at present. Therefore, the single-column pier must be reinforced and modified to prevent the overhead overturn. The defect that a single-column pier is easy to overturn can be overcome by adopting a special reinforcing device and a special transformation method.
Disclosure of Invention
In order to overcome the current situation that current single-pier viaduct easily topples when meetting serious overload, the utility model provides a reinforcing apparatus that single-pier viaduct topples is prevented to and the transformation scheme of single-pier, can overcome the shortcoming of above-mentioned conventional single-pier effectively, this device not only can prevent toppling of single-pier viaduct, and is simple and easy moreover, convenient operation, easily construction, do not possess ground space, cost are lower, the time limit for a project is short.
The utility model provides a technical scheme that its technical problem adopted is:
an anti-overturning reinforcing device for an existing single-pier viaduct comprises a main supporting rod, a vertical supporting rod, a horizontal supporting rod, a vertical fixing rod and a horizontal fixing rod, the upper ends of the main support rods are fixed on the side edge of the bottom of the bridge deck, the lower ends of the main support rods are fixed in the middle of the single-column pier, the upper end of the vertical supporting rod is fixed in the middle of the bottom of the bridge floor, the lower end of the vertical supporting rod is fixed in the middle of the main supporting rod, the outer end of the horizontal fixed rod is fixed at the middle upper part of the main supporting rod, the inner end of the horizontal fixed rod is fixed at the middle part of the vertical supporting rod, the outer end of the horizontal support rod is fixed in the middle of the main support rod, the inner end of the horizontal support rod is fixed at the middle upper part of the single-column pier, the upper end of the vertical fixing rod is fixed in the middle of the horizontal supporting rod, and the lower end of the vertical fixing rod is fixed at the middle lower part of the main supporting rod.
Furthermore, the upper ends of the main support rods are fixed on the side edge of the bottom of the bridge floor through fixing steel plates, the lower ends of the main support rods are fixed in the middle of the single-column pier through fixing steel plates, and the inner ends of the horizontal support rods are fixed on the middle upper portion of the single-column pier through fixing steel plates.
And furthermore, the upper end of the main support rod is welded with a fixed steel plate, the lower end of the main support rod is welded with the fixed steel plate, and the inner end of the horizontal support rod is welded with the fixed steel plate.
The lower extreme of vertical support pole with weld between the middle part of main tributary vaulting pole, weld between the outer end of horizontal fixed pole and the well upper portion of main tributary vaulting pole, the inner of horizontal fixed pole with weld between the middle part of vertical support pole, the outer end of horizontal support pole with weld between the middle part of main tributary vaulting pole, the upper end of vertical fixed pole with weld between the middle part of horizontal support pole, the lower extreme of vertical fixed pole with weld between the well lower part of main tributary vaulting pole.
Preferably, the fixing steel plate is provided with a bolt hole, a bolt penetrates through the bolt hole, and a nut is arranged on the bolt.
Preferably, the main support rod, the vertical support rod, the horizontal support rod, the vertical fixing rod and the horizontal fixing rod are steel pipes.
The utility model provides a reinforcing apparatus that single-column mound overpass prevented toppling, circular arc interval arrangement such as this reinforcing apparatus can cooperate the single-column mound to realize the stability of overpass and prevent that the overpass from toppling in a week of single-column mound, the beneficial effects of the utility model mainly show: 1. the structure is stable, and the viaduct can be more firmly stabilized by matching with the single-column pier, so that the viaduct is prevented from overturning. 2. The cost is lower, and the device is made by the steel construction, and it is convenient to make, and the cost is lower. 3. The single-column pier fixing device is simple to operate, is used by simple thread fixing connection and welding, can customize different fixing devices according to different single-column pier sizes, and can be provided with devices in different quantities according to actual needs. The installation is simple and does not take time. 4. The device does not occupy the ground area, and the device is installed on single-column pier upper portion, can not influence the original space on ground, can not influence the sight yet.
Drawings
Fig. 1 is a schematic view of an anti-overturning reinforcing device for a conventional single-pier viaduct.
Fig. 2 is a schematic view of a fixed steel plate.
The reference numbers are as follows: the main support rod 1, the vertical support rod 2, the horizontal support rod 3, the vertical fixing rod 4, the horizontal fixing rod 5, the fixing steel plate 6, the bridge deck 7, the abutment 8 and the single-column pier 9.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, an anti-overturning reinforcing device for an existing single-pier viaduct comprises a main support rod 1, a vertical support rod 2, a horizontal support rod 3, a vertical fixing rod 4 and a horizontal fixing rod 5, wherein the upper end of the main support rod is fixed on the side edge of the bottom of a bridge floor 7, the lower end of the main support rod is fixed in the middle of a single-pier 9, the upper end of the vertical support rod is fixed in the middle of the bottom of the bridge floor, the lower end of the vertical support rod is fixed in the middle of the main support rod, the outer end of the horizontal fixing rod is fixed on the middle upper portion of the main support rod, the inner end of the horizontal fixing rod is fixed in the middle of the vertical support rod, the outer end of the horizontal support rod is fixed in the middle of the main support rod, the inner end of the horizontal support rod is fixed on the middle, the lower end of the vertical fixing rod is fixed at the middle lower part of the main supporting rod.
Furthermore, the upper ends of the main support rods are fixed on the side edge of the bottom of the bridge floor through fixing steel plates 6, the lower ends of the main support rods are fixed in the middle of the single-column pier through fixing steel plates 6, and the inner ends of the horizontal support rods are fixed on the middle upper portion of the single-column pier through fixing steel plates 6.
And furthermore, the upper end of the main support rod is welded with the fixed steel plate 6, the lower end of the main support rod is welded with the fixed steel plate 6, and the inner end of the horizontal support rod is welded with the fixed steel plate 6.
The lower extreme of vertical support pole with weld between the middle part of main tributary vaulting pole, weld between the outer end of horizontal fixed pole and the well upper portion of main tributary vaulting pole, the inner of horizontal fixed pole with weld between the middle part of vertical support pole, the outer end of horizontal support pole with weld between the middle part of main tributary vaulting pole, the upper end of vertical fixed pole with weld between the middle part of horizontal support pole, the lower extreme of vertical fixed pole with weld between the well lower part of main tributary vaulting pole.
Preferably, the fixing steel plate 6 is provided with a bolt hole, a bolt penetrates through the bolt hole, and a nut is arranged on the bolt. Of course, other securing means may be used.
Preferably, the main support rod, the vertical support rod, the horizontal support rod, the vertical fixing rod and the horizontal fixing rod are steel pipes.
A single column pier structure is adopted under a certain viaduct, the single column pier is a rectangle with the length of 2m and the width of 1.5m, and the height of the column pier is 5 m. The upper part is a column base which is connected with the bridge floor. Due to the single-column pier structure, the viaduct is easy to overturn when suffering from a severe overload phenomenon. The overturn-preventing fixing device for the single-pier viaduct can be used for conveniently, quickly and economically solving the problem and realizing the overturn-preventing requirement.
The embodiment of the invention is as follows:
1. according to the conventional method, pile foundations are well drilled, and bridge decks and pier piers are well built.
2. As shown in the figure, the bottom of the bridge deck and the single-column pier are drilled and implanted with bolts with the diameter of 30mm, and 8 bolts are drilled and implanted at each position.
3. And (4) installing a fixed steel plate, reserving a position for welding a fixed rod piece in the middle of the fixed steel plate as shown in the figure, and fixing the fixed steel plate on the bridge floor and the single-column pier by using nuts.
4. And (3) installing a main support rod, and installing the main support rod between the bridge deck and the fixing plate of the single-column pier by using a welding method.
5. And mounting a vertical supporting rod and a horizontal supporting rod, fixing one end of the vertical supporting rod and one end of the horizontal supporting rod on the fixed steel plate by a welding method, and welding the other end of the vertical supporting rod and the other end of the horizontal supporting rod in the middle of the main supporting rod to form a triangular framework.
6. And (3) installing a vertical fixed rod and a horizontal fixed rod, respectively welding one ends of the vertical fixed rod and the horizontal fixed rod at the midpoint of the horizontal supporting rod and the midpoint of the vertical supporting rod, and welding the other ends of the vertical fixed rod and the horizontal fixed rod on the main supporting rod, thereby further reinforcing the device.
Claims (6)
1. The reinforcement device is characterized by comprising a main support rod, a vertical support rod, a horizontal support rod, a vertical fixing rod and a horizontal fixing rod, wherein the upper end of the main support rod is fixed on the side edge of the bottom of a bridge deck, the lower end of the main support rod is fixed in the middle of a single pier, the upper end of the vertical support rod is fixed in the middle of the bottom of the bridge deck, the lower end of the vertical support rod is fixed in the middle of the main support rod, the outer end of the horizontal fixing rod is fixed on the middle upper part of the main support rod, the inner end of the horizontal fixing rod is fixed in the middle of the vertical support rod, the outer end of the horizontal support rod is fixed in the middle of the main support rod, the inner end of the horizontal support rod is fixed on the middle upper part of the single pier, and the upper end of the vertical fixing rod is, the lower end of the vertical fixing rod is fixed at the middle lower part of the main supporting rod.
2. The reinforcement apparatus for preventing the overpass of the existing single pier of claim 1, wherein the upper end of the main supporting rod is fixed at the bottom side of the bridge deck by a fixing steel plate, the lower end of the main supporting rod is fixed at the middle part of the single pier by a fixing steel plate, and the inner end of the horizontal supporting rod is fixed at the middle upper part of the single pier by a fixing steel plate.
3. The reinforcement apparatus for preventing the overpass from overturning of the existing single pier of claim 1 or 2, wherein the upper end of the main supporting rod is welded with the fixed steel plate, the lower end of the main supporting rod is welded with the fixed steel plate, and the inner end of the horizontal supporting rod is welded with the fixed steel plate.
4. The existing reinforcement device for preventing the overpass of the single-pier trestle from overturning as claimed in claim 1 or 2, wherein the lower end of the vertical support rod is welded to the middle part of the main support rod, the outer end of the horizontal fixing rod is welded to the middle upper part of the main support rod, the inner end of the horizontal fixing rod is welded to the middle part of the vertical support rod, the outer end of the horizontal support rod is welded to the middle part of the main support rod, the upper end of the vertical fixing rod is welded to the middle part of the horizontal support rod, and the lower end of the vertical fixing rod is welded to the middle lower part of the main support rod.
5. The reinforcement apparatus for preventing the overturn of the existing single pier viaduct as claimed in claim 2, wherein the fixing steel plate is provided with bolt holes through which bolts pass, and the bolts are provided with nuts.
6. The existing single-pier viaduct overturn-preventing reinforcement device as claimed in claim 1 or 2, wherein the main support rods, the vertical support rods, the horizontal support rods, the vertical fixing rods and the horizontal fixing rods are steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922390848.0U CN211948014U (en) | 2019-12-27 | 2019-12-27 | Existing reinforcing apparatus that single-column pier overpass prevented toppling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922390848.0U CN211948014U (en) | 2019-12-27 | 2019-12-27 | Existing reinforcing apparatus that single-column pier overpass prevented toppling |
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|---|---|
| CN211948014U true CN211948014U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922390848.0U Active CN211948014U (en) | 2019-12-27 | 2019-12-27 | Existing reinforcing apparatus that single-column pier overpass prevented toppling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108467A (en) * | 2021-10-26 | 2022-03-01 | 山东高速工程建设集团有限公司 | Rapid construction method for viaduct with existing ground bridge striding upwards |
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2019
- 2019-12-27 CN CN201922390848.0U patent/CN211948014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108467A (en) * | 2021-10-26 | 2022-03-01 | 山东高速工程建设集团有限公司 | Rapid construction method for viaduct with existing ground bridge striding upwards |
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