CN213925907U - Be used for single-column mound bridge antidumping reinforcing apparatus - Google Patents
Be used for single-column mound bridge antidumping reinforcing apparatus Download PDFInfo
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- CN213925907U CN213925907U CN202022141785.8U CN202022141785U CN213925907U CN 213925907 U CN213925907 U CN 213925907U CN 202022141785 U CN202022141785 U CN 202022141785U CN 213925907 U CN213925907 U CN 213925907U
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Abstract
The utility model relates to an anti-overturning reinforcing device for a single-column pier bridge, which comprises a pier column, a central cushion stone, a central support and a box girder, wherein the central cushion stone is arranged in the center of the top surface of the pier column, the central support is arranged in the center of the top surface of the central cushion stone, and the center of the bottom surface of the box girder is connected with the top surface of the central support, and comprises a hoop, a bracket beam, a support cushion stone and a side support; the package hoop is wrapped up in and is located on the lateral wall at the top of pier stud, and the bracket roof beam is connected respectively on two lateral walls of package hoop, and the support stone setting respectively in the both sides of central stone pad, the bottom surface both sides of support stone pad are connected with the top surface of bracket roof beam and the top surface of pier stud respectively, and the side support is connected between the top surface of support stone pad and the bottom surface of case roof beam. Through set up shroud ring and bracket roof beam at the top of pier stud, increaseed the support width at pier stud top, support stone pad and side support are add respectively to the both sides of center support in addition, have strengthened the torsional restraint ability of bridge to can effectively improve the antidumping ability of single-column pier bridge.
Description
Technical Field
The utility model relates to a field especially relates to a be used for single column mound bridge antidumping reinforcing apparatus.
Background
At present, the single-column pier box girder bridge has wide application in the construction of highways and municipal road bridges due to the advantages of concise and smooth lines, transparent under-bridge visual field, construction land saving, attractive appearance and the like. With the rapid development of national economy, the traffic volume of highways and municipal roads is continuously increased, the number of overweight vehicles is gradually increased, and the defects of single-column pier bridges are gradually shown. In recent years, a plurality of single-column pier box girder bridges overturn accidents occur in China, so that great loss is caused to lives and properties of people, and the transverse stability and safety problems of the single-column pier box girder bridges are increasingly concerned.
The method is characterized in that the prior road and municipal bridge design specifications do not have relevant regulations on bridge anti-overturning checking calculation, so that the prior bridge design does not have checking calculation on the transverse anti-overturning capacity of the bridge, the single-column piers adopt single-point support in the transverse bridge direction, obvious inherent defects exist, and the single-column pier bridge can be damaged by transverse integral instability under the transverse unbalance loading effect of an automobile when overload reaches a certain value.
In order to ensure the safe operation of the single-column pier beam bridge in recent years, the road administration department increases the inspection strength of the existing single-column pier beam bridge, gropes and inspects components influencing the transverse safety of the structure, and performs anti-overturning transformation and reinforcement on the bridge with overturning hidden danger.
The tradition has to single pier antidumping reinforcement measure: the two sides of the original pier are additionally provided with pier foundation piles, the section of the original pier is externally coated with concrete, and a support is additionally arranged. When enough space is available under the bridge, the two methods can achieve better reinforcing effect. However, in urban overpasses and expressway ramps, due to the limitation of clearance below bridges or the cost is too high due to the fact that the number of pillars is increased under the condition of too high pillars, both methods cannot be implemented in many cases.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the above-mentioned problem of the prior art, the utility model provides a be used for single-column mound bridge antidumping reinforcing apparatus can improve the antidumping ability of single-column mound bridge effectively.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include: the anti-overturning reinforcing device for the single-column pier bridge comprises a pier column, a central cushion stone, a central support and a box girder, wherein the central cushion stone is arranged in the center of the top surface of the pier column, the central support is arranged in the center of the top surface of the central cushion stone, and the center of the bottom surface of the box girder is connected with the top surface of the central support and comprises a hoop, a bracket girder, a support cushion stone and a side support;
the package hoop is wrapped up in on the lateral wall at the top of pier stud, the bracket roof beam connect respectively in on two lateral walls of package hoop, the top surface of bracket roof beam with the top surface of pier stud is located same horizontal plane, the support stone pad set up respectively in the both sides of center stone pad, the bottom surface both sides of support stone pad respectively with the top surface of bracket roof beam with the top surface of pier stud is connected, the side support connect in between the top surface of support stone pad and the bottom surface of case roof beam.
Furthermore, the material of shroud ring and bracket beam is steel.
Further, the shroud ring comprises a first shroud ring and a second shroud ring, and further comprises a bolt;
the first hooping and the second hooping are respectively arranged on two sides of the outer side wall of the top of the pier column, and two sides of the first hooping and two sides of the second hooping are respectively connected through the bolts.
Furthermore, the device also comprises a rear expanding bottom anchor bolt;
the hoop wrapping surface is fixed on the outer side wall of the top of the pier column through a plurality of rear-expanding-bottom anchor bolts.
Furthermore, the concrete also comprises embedded bars and micro-expansion concrete;
the planting bars are uniformly distributed on the surface of the outer side wall of the pier stud, and the micro-expansion concrete is wrapped on the surface of the outer side wall of the pier stud through the planting bars.
Furthermore, the side support is made of rubber.
(III) advantageous effects
The utility model has the advantages that: through set up shroud ring and bracket roof beam at the top of pier stud, increaseed the support width at pier stud top, support stone pad and side support are add respectively to the both sides of center support in addition, have strengthened the torsional restraint ability of bridge, have improved the structure internal force to can effectively improve the antidumping ability of single-column pier bridge, ensure bridge safety.
Drawings
Fig. 1 is a schematic structural view of the anti-overturning reinforcing device for the single-pier bridge of the present invention;
fig. 2 is a top sectional view of the anti-overturning reinforcing device for the single-pier bridge of the present invention;
[ description of reference ]
1. Pier studs; 2. planting bars; 3. micro-expansive concrete; 4. a first band; 5. a second band; 6. a box girder; 7. a rear enlarged base anchor bolt; 8. a bolt; 9. a bracket beam; 10. a support base cushion stone; 11. a side support; 12. a center bolster; 13. a central support.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
Referring to fig. 1 and 2, an anti-overturning reinforcing device for a single-column pier bridge comprises a pier column, a central pad stone, a central support and a box girder, wherein the central pad stone is arranged in the center of the top surface of the pier column, the central support is arranged in the center of the top surface of the central pad stone, and the center of the bottom surface of the box girder is connected with the top surface of the central support and comprises a hoop, a bracket beam, a support pad stone and a side support;
the package hoop is wrapped up in on the lateral wall at the top of pier stud, the bracket roof beam connect respectively in on two lateral walls of package hoop, the top surface of bracket roof beam with the top surface of pier stud is located same horizontal plane, the support stone pad set up respectively in the both sides of center stone pad, the bottom surface both sides of support stone pad respectively with the top surface of bracket roof beam with the top surface of pier stud is connected, the side support connect in between the top surface of support stone pad and the bottom surface of case roof beam.
From the above description, the beneficial effects of the present invention are: through set up shroud ring and bracket roof beam at the top of pier stud, increaseed the support width at pier stud top, support stone pad and side support are add respectively to the both sides of center support in addition, have strengthened the torsional restraint ability of bridge, have improved the structure internal force to can effectively improve the antidumping ability of single-column pier bridge, ensure bridge safety.
Furthermore, the material of shroud ring and bracket beam is steel.
From the above description, the materials of the hoop and the bracket beam are steel, so that the cost is low and the reliability is high.
Further, the shroud ring comprises a first shroud ring and a second shroud ring, and further comprises a bolt;
the first hooping and the second hooping are respectively arranged on two sides of the outer side wall of the top of the pier column, and two sides of the first hooping and two sides of the second hooping are respectively connected through the bolts.
As apparent from the above description, by connecting the first band and the second band together by the bolt, the firmness of the connection can be secured.
Furthermore, the device also comprises a rear expanding bottom anchor bolt;
the hoop wrapping surface is fixed on the outer side wall of the top of the pier column through a plurality of rear-expanding-bottom anchor bolts.
From the above description, it can be known that the tightening band is fixed on the outer side wall of the top of the pier stud through the back-reaming bottom anchor bolt, the connection is firm, and the reliability is strong.
Furthermore, the concrete also comprises embedded bars and micro-expansion concrete;
the planting bars are uniformly distributed on the surface of the outer side wall of the pier stud, and the micro-expansion concrete is wrapped on the surface of the outer side wall of the pier stud through the planting bars.
From the above description, it can be known that, the micro-expansion concrete is coated on the outer side wall surface of the pier stud by the embedded steel bars, so that the bending resistance and the compression resistance of the pier stud are effectively improved.
Furthermore, the side support is made of rubber.
As can be known from the above description, the side supports are made of rubber, so that the cushioning performance of the two sides of the bridge can be improved.
Example one
Referring to fig. 1 and 2, an anti-overturning reinforcing device for a single-column pier bridge comprises a pier column 1, a central cushion stone 12, a central support 13 and a box girder 6, wherein the central cushion stone 12 is arranged in the center of the top surface of the pier column 1, the central support 13 is arranged in the center of the top surface of the central cushion stone 12, and the center of the bottom surface of the box girder 6 is connected with the top surface of the central support 13 and comprises a hoop, a leg beam 9, a support cushion stone 10 and a side support 11;
the package hoop is wrapped up in on the lateral wall at the top of pier stud 1, bracket beam 9 connect respectively in on two lateral walls of package hoop, bracket beam 9's top surface with pier stud 1's top surface is located same horizontal plane, support bed stone 10 set up respectively in the both sides of center bed stone 12, the bottom surface both sides of support bed stone 10 respectively with bracket beam 9's top surface with pier stud 1's top surface is connected, side support 11 connect in between the top surface of support bed stone 10 and the bottom surface of case roof beam 6.
Wherein, the material of shroud ring and bracket beam 9 is steel.
Wherein the hoops comprise a first hoop 4 and a second hoop 5, and further comprise a bolt 8;
Wherein, also comprises a rear expanding bottom anchor bolt 7;
the surface of the shroud ring is fixed on the outer side wall of the top of the pier stud 1 through a plurality of rear-enlarged-base anchor bolts 7.
Wherein, also include the bar planting 2 and little expansion concrete 3;
the planting bars 2 are uniformly distributed on the surface of the outer side wall of the pier stud 1, and the micro-expansion concrete 3 is wrapped on the surface of the outer side wall of the pier stud 1 through the planting bars 2.
The side support 11 is made of rubber.
To sum up, the utility model provides a be used for single-column mound bridge antidumping reinforcing apparatus sets up shroud ring and bracket beam through the top at the pier stud, has increaseed the support width at pier stud top, and support base stone and side support are add respectively to the both sides of center support in addition, have strengthened the torsional restraint ability of bridge, have improved the structure internal force to can effectively improve the antidumping ability of single-column mound bridge, ensure bridge safety.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a be used for single-column mound bridge antidumping reinforcing apparatus, includes pier stud, central stone, central support and case roof beam, central stone set up in the top surface center of pier stud, central support set up in central stone top surface center, the bottom surface center of case roof beam with the top surface of central support is connected, its characterized in that: comprises a shroud ring, a bracket beam, a support cushion stone and a side support;
the package hoop is wrapped up in on the lateral wall at the top of pier stud, the bracket roof beam connect respectively in on two lateral walls of package hoop, the top surface of bracket roof beam with the top surface of pier stud is located same horizontal plane, the support stone pad set up respectively in the both sides of center stone pad, the bottom surface both sides of support stone pad respectively with the top surface of bracket roof beam with the top surface of pier stud is connected, the side support connect in between the top surface of support stone pad and the bottom surface of case roof beam.
2. The anti-overturning reinforcing device for the single-pier bridge according to claim 1, wherein: the material of shroud ring and bracket beam is the steel.
3. The anti-overturning reinforcing device for the single-pier bridge according to claim 1, wherein: the hoops comprise a first hoop and a second hoop and further comprise bolts;
the first hooping and the second hooping are respectively arranged on two sides of the outer side wall of the top of the pier column, and two sides of the first hooping and two sides of the second hooping are respectively connected through the bolts.
4. The anti-overturning reinforcing device for the single-pier bridge according to claim 1, wherein: the rear expanded bottom anchor bolt is also included;
the hoop wrapping surface is fixed on the outer side wall of the top of the pier column through a plurality of rear-expanding-bottom anchor bolts.
5. The anti-overturning reinforcing device for the single-pier bridge according to claim 1, wherein: also comprises embedded bars and micro-expansion concrete;
the planting bars are uniformly distributed on the surface of the outer side wall of the pier stud, and the micro-expansion concrete is wrapped on the surface of the outer side wall of the pier stud through the planting bars.
6. The anti-overturning reinforcing device for the single-pier bridge according to claim 1, wherein: the side support is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022141785.8U CN213925907U (en) | 2020-09-25 | 2020-09-25 | Be used for single-column mound bridge antidumping reinforcing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022141785.8U CN213925907U (en) | 2020-09-25 | 2020-09-25 | Be used for single-column mound bridge antidumping reinforcing apparatus |
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| CN213925907U true CN213925907U (en) | 2021-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908687A (en) * | 2022-05-16 | 2022-08-16 | 中国十七冶集团有限公司 | Cylindrical pier top suspension support member |
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2020
- 2020-09-25 CN CN202022141785.8U patent/CN213925907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908687A (en) * | 2022-05-16 | 2022-08-16 | 中国十七冶集团有限公司 | Cylindrical pier top suspension support member |
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