CN203129026U - Reinforced concrete arch bridge reinforced structure - Google Patents
Reinforced concrete arch bridge reinforced structure Download PDFInfo
- Publication number
- CN203129026U CN203129026U CN 201320033725 CN201320033725U CN203129026U CN 203129026 U CN203129026 U CN 203129026U CN 201320033725 CN201320033725 CN 201320033725 CN 201320033725 U CN201320033725 U CN 201320033725U CN 203129026 U CN203129026 U CN 203129026U
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- arch
- bridge
- prestress wire
- reinforced concrete
- vault
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Abstract
The utility model relates to bridge construction, and particularly relates to reinforcement of an arch bridge, in particular to a reinforced concrete arch bridge reinforced structure. A prestress wire is arranged at a pulled side (back arch side) of each arc foot and a pulled side (arch soffit side) of an arch top, each pulled and pressed junction area is connected through a steering block, a pressing rod is arranged at an arch top area so that the pressing rod is connected with the prestress wire, and a steel bar net is arranged at the arch top area to uniformly transmit pressure of the prestress wire to the arch top area. The reinforced concrete arch bridge reinforced structure is good in reinforcement effect, low in reinforcement cost, and high in social benefit, and does not need to interrupt the traffic in construction. The technology that external prestress is used for reinforcing a reinforced concrete full main arch ring is put forward for the first time.
Description
Technical field
The utility model relates to bridge construction, particularly to the reinforcing of arch bridge, is specially reinforced concrete arch bridge ruggedized construction.
Background technology
Present reinforcing form for arch bridge, the main technology that adopts external prestressing that double curvature arched bridge is reinforced, but be vault or be arch springing do not have continuous full-bridge is reinforced, and ruggedized construction can not be distributed on the bridge arch uniformly with stressed, makes the bridge arch discontinuity.
Summary of the invention
The utility model is at the stronger arch bridge structure of a kind of steadiness of arch bridge architectural design.
Design scheme of the present utility model is as follows: reinforced concrete arch bridge ruggedized construction, be that hogback side and vault tension side are soffit side arrangement prestress steel strand at the arch springing tension side, juncture area at tension and pressurized adopts steering block to be connected, the vault zone arranges depression bar makes it be connected with prestress wire, steel mesh reinforcement is set in the vault zone pressure of prestress wire evenly is delivered to the vault zone.Steering block changes the direction of prestress wire, makes prestress wire keep well linear.Depression bar transmits the pressure of prestress wire, offsets the downward power of vault zone arch ring part.Steel mesh reinforcement makes the power of depression bar be distributed to main arch circle vault zone uniformly.
Described prestress wire, at the main arch circle laterally can be according to many of the wide layouts of bridge.
Described prestress wire is in the anchoring of arch springing place, as the zone of prestressed stretch-draw and anchoring.
This ruggedized construction consolidation effect is good, reinforcement cost is low, social benefit is higher, but uninterrupted traffic when constructing; The technology that external prestressing is reinforced the full main arch circle of steel concrete has been proposed first; First the vault zone is arranged the steel mesh reinforcement of vertical depression bar and transmission pressure, the consolidation effect in vault zone is obviously improved.
Description of drawings
Fig. 1 is bridge arch ruggedized construction schematic diagram;
Fig. 2 is for reinforcing back arch bridge structure schematic diagram;
Wherein 1---prestress wire, 2---steering block, 3---depression bar, 4---steel mesh reinforcement, 5---anchor point, 6---bridge arch.
The specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment and Figure of description.Specific embodiment described herein is only in order to explaining the utility model, and is not used in restriction the utility model.
Embodiment 1: as shown in Figure 1, reinforced concrete arch bridge ruggedized construction is anchor point with the arch springing place of bridge arch, and anchoring prestress wire, prestress wire are arranged in hogback side and soffit side, can be according to many of the wide layouts of bridge.Prestress wire adopts steering block to be connected at the juncture area of tension and pressurized, depression bar is set in the vault zone it is connected with prestress wire, steel mesh reinforcement is set in the vault zone pressure of prestress wire evenly is delivered to the vault zone.By the direction of steering block change prestress wire, to the conversion of soffit direction, make prestress wire keep well linear by hogback.The depression bar that the vault zone arranges transmits the pressure of prestress wire, offsets the downward power of vault zone arch ring part, and makes the power of depression bar be distributed to main arch circle vault zone uniformly with steel mesh reinforcement.The arch bridge structure that layout is finished as shown in Figure 2.
The mechanism of external prestressing strengthening beam is that former beam is applied one group of self balancing force system, and this power system has produced the internal force opposite with external load internal force to former beam, has offset the part external load, has improved the supporting capacity of member.Simultaneously, in the vault zone, vertical pull bar is set, makes prestress wire provide one to upward pressure to arch ring, offset the downward power of original arch ring, thereby reduce the downwarp of vault.
Can perhaps carry out structural reinforcing to original arch bridge according to the more firm arch bridge of this structural construction, in strengthening construction, not influence bridge deck traffic, reduce improvement cost simultaneously.
Claims (3)
1. reinforced concrete arch bridge ruggedized construction, it is characterized in that: be that hogback side and vault tension side are soffit side arrangement prestress steel strand at the arch springing tension side, juncture area at tension and pressurized adopts steering block to be connected, the vault zone arranges depression bar makes it be connected with prestress wire, steel mesh reinforcement is set in the vault zone pressure of prestress wire evenly is delivered to the vault zone.
2. reinforced concrete arch bridge ruggedized construction according to claim 1 is characterized in that: described prestress wire, at the main arch circle laterally can be according to many of the wide layouts of bridge.
3. reinforced concrete arch bridge ruggedized construction according to claim 1, it is characterized in that: described prestress wire carries out anchoring at the arch springing place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033725 CN203129026U (en) | 2013-01-23 | 2013-01-23 | Reinforced concrete arch bridge reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033725 CN203129026U (en) | 2013-01-23 | 2013-01-23 | Reinforced concrete arch bridge reinforced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203129026U true CN203129026U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320033725 Expired - Fee Related CN203129026U (en) | 2013-01-23 | 2013-01-23 | Reinforced concrete arch bridge reinforced structure |
Country Status (1)
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| CN (1) | CN203129026U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614974A (en) * | 2013-10-25 | 2014-03-05 | 宇杰集团股份有限公司 | Prestress sectional steel reinforcing system of reinforced concrete arch shell bridge body |
| CN103758046A (en) * | 2013-12-31 | 2014-04-30 | 中铁大桥局股份有限公司 | Method for reinforcing steel tube confined concrete arch bridge main beam structure |
| CN103924532A (en) * | 2014-04-18 | 2014-07-16 | 岩土科技股份有限公司 | Method for repairing hyperbolic arch bridge through prestress jacking means |
| CN104652295A (en) * | 2015-02-04 | 2015-05-27 | 河南省交通规划勘察设计院有限责任公司 | Overall strengthening method for through concrete-filled steel tube arch bridge |
| CN105696474A (en) * | 2016-01-20 | 2016-06-22 | 中国矿业大学 | Deformation-resisting strengthening method for arch bridge in surface deformation area |
| CN106536824A (en) * | 2014-05-02 | 2017-03-22 | 索列丹斯弗莱西奈公司 | Method of enlarging the space beneath a masonry arch bridge, and a masonry arch bridge |
| CN106677079A (en) * | 2017-01-09 | 2017-05-17 | 广西交通科学研究院有限公司 | Continuous arch bridge reinforcing method based on reduction of horizontal thrust of arch supports of arch bridge |
| CN106702913A (en) * | 2017-01-09 | 2017-05-24 | 广西交通科学研究院有限公司 | Reinforcement method for reverse-arch structure based on decreasing of mid-span moment of arch bridge |
| CN111364378A (en) * | 2020-03-12 | 2020-07-03 | 中铁大桥局武汉桥梁特种技术有限公司 | Method for dismantling double-arch bridge |
-
2013
- 2013-01-23 CN CN 201320033725 patent/CN203129026U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614974B (en) * | 2013-10-25 | 2015-07-08 | 宇杰集团股份有限公司 | Prestress sectional steel reinforcing system of reinforced concrete arch shell bridge body |
| CN103614974A (en) * | 2013-10-25 | 2014-03-05 | 宇杰集团股份有限公司 | Prestress sectional steel reinforcing system of reinforced concrete arch shell bridge body |
| CN103758046A (en) * | 2013-12-31 | 2014-04-30 | 中铁大桥局股份有限公司 | Method for reinforcing steel tube confined concrete arch bridge main beam structure |
| CN103924532A (en) * | 2014-04-18 | 2014-07-16 | 岩土科技股份有限公司 | Method for repairing hyperbolic arch bridge through prestress jacking means |
| CN103924532B (en) * | 2014-04-18 | 2015-08-05 | 岩土科技股份有限公司 | Prestressing force incremental launching method repairs the method for double curvature arched bridge |
| CN106536824A (en) * | 2014-05-02 | 2017-03-22 | 索列丹斯弗莱西奈公司 | Method of enlarging the space beneath a masonry arch bridge, and a masonry arch bridge |
| CN104652295A (en) * | 2015-02-04 | 2015-05-27 | 河南省交通规划勘察设计院有限责任公司 | Overall strengthening method for through concrete-filled steel tube arch bridge |
| CN105696474A (en) * | 2016-01-20 | 2016-06-22 | 中国矿业大学 | Deformation-resisting strengthening method for arch bridge in surface deformation area |
| CN106677079A (en) * | 2017-01-09 | 2017-05-17 | 广西交通科学研究院有限公司 | Continuous arch bridge reinforcing method based on reduction of horizontal thrust of arch supports of arch bridge |
| CN106702913A (en) * | 2017-01-09 | 2017-05-24 | 广西交通科学研究院有限公司 | Reinforcement method for reverse-arch structure based on decreasing of mid-span moment of arch bridge |
| CN106677079B (en) * | 2017-01-09 | 2018-06-01 | 广西交通科学研究院有限公司 | The continuous arch bridge reinforcement means reduced based on arch bridge impost horizontal thrust |
| CN106702913B (en) * | 2017-01-09 | 2018-06-01 | 广西交通科学研究院有限公司 | The antiarch structural strengthening method reduced based on arch bridge mid span moment |
| CN111364378A (en) * | 2020-03-12 | 2020-07-03 | 中铁大桥局武汉桥梁特种技术有限公司 | Method for dismantling double-arch bridge |
| CN111364378B (en) * | 2020-03-12 | 2021-07-20 | 中铁大桥局武汉桥梁特种技术有限公司 | Method for dismantling double-arch bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140123 |