CN103015330A - Steel hoop support system of jacking bridge - Google Patents
Steel hoop support system of jacking bridge Download PDFInfo
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- CN103015330A CN103015330A CN2013100193315A CN201310019331A CN103015330A CN 103015330 A CN103015330 A CN 103015330A CN 2013100193315 A CN2013100193315 A CN 2013100193315A CN 201310019331 A CN201310019331 A CN 201310019331A CN 103015330 A CN103015330 A CN 103015330A
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Abstract
Disclosed is a steel hoop support system of a jacking bridge. By the steel hoop support system, the engineering cost for lifting the bridge is lowered, and the construction difficulty and safety risks are reduced. The steel hoop support system comprises an upper-end steel hoop (10a), a lower-end steel hoop (10b) and steel pipe supports (20), the upper-end steel hoop (10a) and the lower-end steel hoop (10b) are fixed to the upper end and the lower end of an original reinforced concrete pier stud (40) of the bridge in a hooped manner by means of exerting pre-tightening force, the steel pipe supports (20) are fixedly mounted on the lower-end steel hoop (10b), and a hydraulic jack system (30) is arranged between the upper-end steel hoop (10a) and the upper end of each steel pipe support (20).
Description
Technical field
The present invention relates to bridge, particularly a kind of jacking bridge steel hoop bracket system be used to raising bridge.
Background technology
Because of the needs of urban development, many existing bridges can not satisfy the demands, and need to be transformed.When bridge only need improve height, for not yet reaching preferably bridge construction of Years Of Service and operation state service life, if rebuild after removing according to the conventional method, will cause the huge waste of resource.Adopt the bridge jacking technology to realize the full use of bridge, both reached the maximum saving of resource, can reduce investment outlay again, shorten the construction period, reduce the purpose of traffic impact.
Traditional simple bridge back ascending branch frame system is comprised of shoulder pole distribution beam, jack hydraulic system, steel pipe support and bracket basis.The main problem that exists has: be subjected to the stressed restriction of pier cap beam, the magnitude setting of shoulder pole distribution beam is many, and larger to the bent cap stressing influence in the jacking process; Steel pipe support often needs additionally to set up bracket basis as the interim load-carrying member in the bridge jacking process, or existing bridge foundation is carried out after the reforming processing as bracket basis, and expense is high, and especially the disposal costs on basis is higher under the soft foundation condition.
Summary of the invention
Technical problem to be solved by this invention provides a kind of jacking bridge steel hoop bracket system, raises the engineering cost of bridge with reduction, reduces difficulty of construction and security risk.
The technical solution adopted for the present invention to solve the technical problems is as follows:
Jacking bridge steel hoop bracket of the present invention system, it is characterized in that: it comprises upper end steel hoop, the lower end steel hoop that applies the pretightning force banding and be fixed in the former steel concrete pier stud of bridge upper/lower terminal, and be fixed on steel pipe support on the steel hoop of lower end, between upper end steel hoop and steel pipe support upper end, hydraulic jack system is set.
The invention has the beneficial effects as follows, utilize the vertical power in the frictional force balance bridge jacking process of steel hoop and concrete pier, the structure power transmission is clear and definite, do not change the stress of pier cap beam, saved the consolidation process of bracket basis, save operating expenses, reduced difficulty of construction and security risk, shortened the construction period simultaneously.
Description of drawings
This manual comprises following four width of cloth accompanying drawings:
Fig. 1 is the structural representation of jacking bridge steel hoop bracket of the present invention system;
Fig. 2 is the lateral view of jacking bridge steel hoop bracket of the present invention system;
Fig. 3 is the elevation of jacking bridge steel hoop bracket of the present invention system;
Fig. 4 is the profile of jacking bridge steel hoop bracket of the present invention system;
Component shown in the figure, toponym and corresponding mark: upper end steel hoop 10a, lower end steel hoop 10b, a steel hoop left side partly enclose member 11, the steel hoop right side partly encloses member 12, upper steel plate 13, lower steel plate 14, encloses plate 15, riser 16, lateral plate 17, vertical stiffener 18, lateral stiffening plate 19; Steel pipe support 20; Hydraulic jack system 30; Former steel concrete pier stud 40.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
See figures.1.and.2, jacking bridge steel hoop bracket of the present invention system comprises upper end steel hoop 10a, the lower end steel hoop 10b that applies the pretightning force banding and be fixed in former steel concrete pier stud 40 upper/lower terminals of bridge, and be fixed on steel pipe support 20 on the steel hoop 10b of lower end, between upper end steel hoop 10a and steel pipe support 20 upper ends, hydraulic jack system 30 is set.Utilize upper end steel hoop 10a, lower end steel hoop 10b to replace traditional shoulder pole distribution beam directly to bear the top lift of hydraulic jack system 30, and the steel pipe support 20 that is supported by lower end steel hoop 10b is also adopted on the basis of support, makes upper end steel hoop 10a, lower end steel hoop 10b and 40 of former steel concrete pier studs produce frictional force with the vertical external load power in the balance jacking process by applying pretightning force.Because frictional force is evenly to distribute along former steel concrete pier stud 40 peripheries, therefore, upper end steel hoop 10a does not change the force way of bridge concrete bent cap, lower end steel hoop 10b directly is passed to bridge foundation with vertical force by former steel concrete pier stud 40, do not need thus newly-increased bracket basis, do not need consolidation process is carried out on existing basis yet, can effectively reduce the engineering cost of raising bridge, reduce difficulty of construction and security risk, can shorten the construction period simultaneously.
Fig. 1 is the structural representation of jacking bridge steel hoop bracket of the present invention system, shown in the figure Bridge center line left side is state before the bridge jacking, on the former steel concrete pier stud 40 of bridge, lower two ends apply respectively the fixing upper end of pretightning force banding steel hoop 10a, lower end steel hoop 10b, steel hoop 10b installs and fixes steel pipe support 20 in the lower end, in upper end steel hoop 10a bottom hydraulic jack system 30 is installed, at upper end steel hoop 10a, the former steel concrete pier stud 40 of saw beam between the steel hoop 10b of lower end, start hydraulic jack system 30 beginning jacking bridges, shown in the figure Bridge center line right side is the jacking completion status.
With reference to Fig. 3 and Fig. 4, generally speaking, a steel hoop left side that removably connects partly encloses member 11, the steel hoop right side partly encloses member 12 and consists of by forming by the high-strength bolt connector for described upper end steel hoop 10a, lower end steel hoop 10b, by the high-strength bolt connector upper end steel hoop 10a, lower end steel hoop 10b is applied pretightning force.A described steel hoop left side partly encloses member 11, the steel hoop right side partly encloses member 12 and comprises upper steel plate 13, the lower steel plate 14 that encloses plate 15 and be welded in its vertical two ends, arrange with upper steel plate 13, lower steel plate 14 at the circumferential two ends that enclose plate 15 and enclose the riser 16 of plate 15 welding, distributing on the riser 16 is provided for installing the through hole of high-strength bolt connector.
With reference to Fig. 4, the circumferential two ends of described upper steel plate 13, lower steel plate 14 distribute and are provided for installing the through hole of high-strength bolt connector, partly enclose circumferential two ends that member 11, the steel hoop right side partly enclose member 12 on a steel hoop left side and form by lateral plate 17 and high-strength bolt connector and removably connect.A described steel hoop left side partly encloses member 11, the steel hoop right side and partly encloses on the member 12 and to arrange with upper steel plate 13, lower steel plate 14 along circumferential interval and enclose the vertical stiffener 18 of plate 15 welding, and arranges and the lateral stiffening plate 19 that encloses plate 15, vertical stiffener 18 and weld.
Some principles of the above invention jacking bridge steel hoop bracket system that just explains through diagrams, be not be the present invention to be confined to shown in and in described concrete structure and the scope of application, so every corresponding modify that might be utilized and equivalent all belong to the claim that the present invention applies for.
Claims (5)
1. jacking bridge steel hoop bracket system, it is characterized in that: it comprises upper end steel hoop (10a), the lower end steel hoop (10b) that applies the pretightning force banding and be fixed in the former steel concrete pier stud of bridge (40) upper/lower terminal, and be fixed on steel pipe support (20) on the lower end steel hoop (10b), between upper end steel hoop (10a) and steel pipe support (20) upper end, hydraulic jack system (30) is set.
2. jacking bridge steel hoop bracket as claimed in claim 1 system, it is characterized in that: a steel hoop left side that removably connects partly encloses member (11), the steel hoop right side partly encloses member (12) and consists of by forming by the high-strength bolt connector for described upper end steel hoop (10a), lower end steel hoop (10b).
3. jacking bridge steel hoop bracket as claimed in claim 2 system, it is characterized in that: a described steel hoop left side partly encloses member (11), the steel hoop right side partly encloses member (12) and comprises upper steel plate (13), the lower steel plate (14) that encloses plate (15) and be welded in its vertical two ends, arrange with upper steel plate (13), lower steel plate (14) at the circumferential two ends that enclose plate (15) and enclose the riser (16) of plate (15) welding, the upper distribution of riser (16) is provided for installing the through hole of high-strength bolt connector.
4. jacking bridge steel hoop bracket as claimed in claim 3 system, it is characterized in that: the circumferential two ends of described upper steel plate (13), lower steel plate (14) distribute and are provided for installing the through hole of high-strength bolt connector, partly enclose the circumferential two ends that member (11), the steel hoop right side partly enclose member (12) on a steel hoop left side and removably connect by lateral plate (17) and the formation of high-strength bolt connector.
5. such as claim 3 or 4 described jacking bridge steel hoop bracket systems, it is characterized in that: a described steel hoop left side partly encloses member (11), the steel hoop right side and encloses partly that member (12) is upper to be arranged with upper steel plate (13), lower steel plate (14) and enclose the vertical stiffener (18) of plate (15) welding along circumferential interval, and arranges and enclose the lateral stiffening plate (19) that plate (15), vertical stiffener (18) weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100193315A CN103015330A (en) | 2013-01-18 | 2013-01-18 | Steel hoop support system of jacking bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100193315A CN103015330A (en) | 2013-01-18 | 2013-01-18 | Steel hoop support system of jacking bridge |
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| CN103015330A true CN103015330A (en) | 2013-04-03 |
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| CN2013100193315A Pending CN103015330A (en) | 2013-01-18 | 2013-01-18 | Steel hoop support system of jacking bridge |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596745A (en) * | 2014-12-23 | 2015-05-06 | 中冶天工集团有限公司 | Method for detecting bearing capacity of circular pier column hoop in bridge construction |
| CN106049563A (en) * | 2016-07-20 | 2016-10-26 | 天津大学 | Earthquake damaged bridge pier foundation reinforcing and strengthening system |
| CN106930191A (en) * | 2017-04-21 | 2017-07-07 | 中交公局第工程有限公司 | A kind of cast-in-situ box girder hoop bracket system and its construction method |
| CN107542035A (en) * | 2017-09-13 | 2018-01-05 | 无锡厚发自动化设备有限公司 | A kind of bridge jacking system |
| CN109267494A (en) * | 2018-11-16 | 2019-01-25 | 中交路桥建设有限公司 | A kind of hood type hydraulic climbing formwork system and construction method for cylinder pier construction |
| CN110029586A (en) * | 2019-05-24 | 2019-07-19 | 四川智通路桥工程技术有限责任公司 | It is a kind of to utilize anchor ear adjustment steel pipe post height and unloading structure and constructing operation method |
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| KR100580225B1 (en) * | 2004-12-13 | 2006-05-16 | 노윤근 | Upper structure raising method using bridge upper structure support and lift equipment and this |
| KR101037210B1 (en) * | 2008-03-20 | 2011-05-26 | 구일건설(주) | A bridge lifting apparatus |
| CN201865058U (en) * | 2010-11-26 | 2011-06-15 | 河海大学 | Embracing column beam with pier steel-concrete composite structure |
| CN102635072A (en) * | 2012-04-20 | 2012-08-15 | 上海颖川加固工程技术有限公司 | Steel clamp hoop support system for bridge lift-up |
| CN202644415U (en) * | 2012-06-21 | 2013-01-02 | 河海大学 | Annular bracket type column embrace beam used for jacking bridge |
| CN203160142U (en) * | 2013-01-18 | 2013-08-28 | 四川省交通运输厅公路规划勘察设计研究院 | Jacking bridge steel hoop support system |
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2013
- 2013-01-18 CN CN2013100193315A patent/CN103015330A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100580225B1 (en) * | 2004-12-13 | 2006-05-16 | 노윤근 | Upper structure raising method using bridge upper structure support and lift equipment and this |
| KR101037210B1 (en) * | 2008-03-20 | 2011-05-26 | 구일건설(주) | A bridge lifting apparatus |
| CN201865058U (en) * | 2010-11-26 | 2011-06-15 | 河海大学 | Embracing column beam with pier steel-concrete composite structure |
| CN102635072A (en) * | 2012-04-20 | 2012-08-15 | 上海颖川加固工程技术有限公司 | Steel clamp hoop support system for bridge lift-up |
| CN202644415U (en) * | 2012-06-21 | 2013-01-02 | 河海大学 | Annular bracket type column embrace beam used for jacking bridge |
| CN203160142U (en) * | 2013-01-18 | 2013-08-28 | 四川省交通运输厅公路规划勘察设计研究院 | Jacking bridge steel hoop support system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596745A (en) * | 2014-12-23 | 2015-05-06 | 中冶天工集团有限公司 | Method for detecting bearing capacity of circular pier column hoop in bridge construction |
| CN106049563A (en) * | 2016-07-20 | 2016-10-26 | 天津大学 | Earthquake damaged bridge pier foundation reinforcing and strengthening system |
| CN106049563B (en) * | 2016-07-20 | 2018-08-07 | 天津大学 | Earthquake is damaged pier footing reinforcing system |
| CN106930191A (en) * | 2017-04-21 | 2017-07-07 | 中交公局第工程有限公司 | A kind of cast-in-situ box girder hoop bracket system and its construction method |
| CN107542035A (en) * | 2017-09-13 | 2018-01-05 | 无锡厚发自动化设备有限公司 | A kind of bridge jacking system |
| CN109267494A (en) * | 2018-11-16 | 2019-01-25 | 中交路桥建设有限公司 | A kind of hood type hydraulic climbing formwork system and construction method for cylinder pier construction |
| CN109267494B (en) * | 2018-11-16 | 2023-10-03 | 中交路桥建设有限公司 | Hoop type hydraulic climbing formwork system for cylindrical pier construction and construction method |
| CN110029586A (en) * | 2019-05-24 | 2019-07-19 | 四川智通路桥工程技术有限责任公司 | It is a kind of to utilize anchor ear adjustment steel pipe post height and unloading structure and constructing operation method |
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Application publication date: 20130403 |