CN204753411U - Resume no stress state's jacking and monitored control system behind steel case roof beam one -tenth bridge - Google Patents

Resume no stress state's jacking and monitored control system behind steel case roof beam one -tenth bridge Download PDF

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Publication number
CN204753411U
CN204753411U CN201520556574.7U CN201520556574U CN204753411U CN 204753411 U CN204753411 U CN 204753411U CN 201520556574 U CN201520556574 U CN 201520556574U CN 204753411 U CN204753411 U CN 204753411U
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CN
China
Prior art keywords
jacking
girder
monitoring
steel box
mounting
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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.)
Expired - Fee Related
Application number
CN201520556574.7U
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Chinese (zh)
Inventor
柴寅博
高俊义
王双瑜
张雪跃
牟纬智
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Middle Friendship One 6th Engineering Co Ltd Of Public Office
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Middle Friendship One 6th Engineering Co Ltd Of Public Office
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Priority to CN201520556574.7U priority Critical patent/CN204753411U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a resume no stress state's jacking and monitored control system behind steel case roof beam one -tenth bridge, includes mounting system, jacking system, stress monitored control system and displacement monitored control system. The mounting system comprises a plurality of support units, and every support unit includes six roots of sensation stand, transversely lays logical farm labourer's word gooseneck on the stand, sets up the channel -section steel bracing in the middle part of the stand, the jacking system comprises a plurality of screw jack and wedge steel sheet, sets up on the crossbeam on mounting system top, stress monitored control system meets an emergency the test system through wireless communication static state and accomplishes data acquisition, and the foil gage subsides of test system are met an emergency on steel case breast board to wireless communication static state, displacement monitored control system comprises a plurality of high -precision laser chis, sets up on the crossbeam on mounting system top. This system can be be accurately recovered the steel case roof beam that becomes behind the bridge to there not being stress state, guarantees that steel case roof beam satisfies current requirement after the restoration, has easy dismounting, advantage that the commonality is strong.

Description

A kind of steel box-girder Cheng Qiaohou recovers jacking and the monitoring system of unstress state
Technical field
The utility model relates to Bridge repair and reinforcement field, recovers jacking and the monitoring system of unstress state in particular to a kind of steel box-girder Cheng Qiaohou.
Background technology
Along with the develop rapidly of China's economy, urban traffic becomes day by day busy, and the Urban Bridge being in densely populated paragraph increases gradually, and increasing Urban Bridge selects steel box-girder.Meanwhile, along with the growth of steel box-girder active time, can be subject to the impact of weather conditions, environmental attack, physical action, chemical action or other extraneous factors, there is deterioration in the structural performance of steel box-girder, component inside sustains damage, and is even destroyed.Again because of steel box-girder maintenance, reinforce different from other forms of bridge, do not allow to be with stress to carry out cutting, welding in its work progress, but so far, there is no that construction precision is high, recovery effects good, the related facility of easy accessibility, highly versatile.Therefore, in the urgent need to jacking and monitoring system that a kind of steel box-girder Cheng Qiaohou recovers unstress state, steel box-girder is returned to unstress state, to guarantee that steel box-girder meets current requirement after maintenance, reinforcing.
Utility model content
When technical problem to be solved in the utility model is its maintenance of steel box-girder Cheng Qiaohou, reinforcing, steel box-girder cannot return to unstress state.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Steel box-girder Cheng Qiaohou recovers jacking and the monitoring system of unstress state, and it comprises mounting system, jack-up system, stress monitoring system and Displacement monitor system composition.
Above-mentioned mounting system is made up of multiple carrier unit, and each carrier unit comprises six roots of sensation column, and every root post is welding spiral steel pipe composition, and column laterally lays elongated i iron crossbeam, arranges channel-section steel diagonal brace in the middle part of column, upright post basic adopts C30 Cast-in-place concrete.The each component of carrier unit adopts full welding manner to connect.
Above-mentioned jack-up system is made up of multiple jackscrew and wedge-shaped steel plate, jackscrew is arranged on the crossbeam on mounting system top, wedge-shaped steel plate is arranged between jackscrew and steel box-girder base plate, produces depression for avoiding steel box-girder base plate because concentrating stressed.
Above-mentioned stress monitoring system carrys out data acquisition by wireless telecommunications static strain testing system, wireless telecommunications static strain testing system comprises foil gauge, wireless communication controller, wireless communication module, amplifier, A/D converter composition, and the foil gauge of wireless telecommunications static strain testing system is attached on steel box-girder base plate by the accurate location determined in jacking and monitoring scheme.
The laser ruler that above-mentioned Displacement monitor system is 0.1mm by multiple precision forms, and laser ruler is arranged on the crossbeam on mounting system top by the accurate location determined in jacking and monitoring scheme.
Use steel box-girder Cheng Qiaohou of the present utility model to recover the jacking of unstress state and monitoring system is keeped in repair steel box-girder, when reinforcing, the position of the arrangement of related data determination mounting system first provided according to designing unit, the jack model of jack-up system and quantity, stress monitoring system foil gauge and Displacement monitor system laser ruler and monitor data.Then by the acting in conjunction of mounting system and jack-up system by steel box-girder progressively jack-up, finally by stress monitoring system and Displacement monitor system, the jacking data to steel box-girder adjust, to recover the unstress state of steel box-girder, guarantee that steel box-girder meets current requirement after repair.
Steel box-girder after one-tenth bridge not only accurately can be returned to unstress state by the jacking of this steel box-girder Cheng Qiaohou recovery unstress state and monitoring system, guarantees that steel box-girder meets current requirement after repair, and has the advantage of easy accessibility, highly versatile.
Accompanying drawing explanation
The suitable bridge of jacking and monitoring system that Fig. 1 the utility model steel box-girder Cheng Qiaohou recovers unstress state is to elevation;
Fig. 2 the utility model steel box-girder Cheng Qiaohou recovers the jacking of unstress state and the elevation of monitoring system direction across bridge;
Fig. 3 the utility model steel box-girder Cheng Qiaohou recovers jacking and the monitoring system plan view of unstress state;
In Fig. 4 the utility model embodiment, steel box-girder Cheng Qiaohou recovers jacking and the monitoring system plane of arrangement figure of unstress state.
In figure, 1---mounting system, 2---jack-up system, 3---stress monitoring system, 4---Displacement monitor system, 11---column, 12---crossbeam, 13---diagonal brace, 14---upright post basic, 21---jack, 31---foil gauge, 41---laser ruler.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Figure 1-3, a kind of steel box-girder Cheng Qiaohou recovers jacking and the monitoring system of unstress state, keeps in repair, when reinforcing, adopts this system that steel box-girder is returned to unstress state to steel box-girder.Steel box-girder Cheng Qiaohou recovers jacking and the monitoring system of unstress state, comprises mounting system 1, jack-up system 2, stress monitoring system 3 and Displacement monitor system 4 and forms.
Mounting system 1 is made up of multiple carrier unit, each carrier unit comprises six roots of sensation column 11, and every root post 11 is welding spiral steel pipe composition, and column 11 laterally lays elongated i iron crossbeam 12, in the middle part of column 11, arrange channel-section steel diagonal brace 13, upright post basic 14 adopts C30 Cast-in-place concrete.The each component of carrier unit adopts full welding manner to connect.
Jack-up system 2 is made up of multiple jackscrew 21 and wedge-shaped steel plate, jackscrew 21 is arranged on the crossbeam 12 on mounting system 1 top, wedge-shaped steel plate is arranged between jackscrew 21 and steel box-girder base plate, produces depression for avoiding steel box-girder base plate because concentrating stressed.
Stress monitoring system 3 carrys out data acquisition by wireless telecommunications static strain testing system, wireless telecommunications static strain testing system comprises foil gauge, wireless communication controller, wireless communication module, amplifier, A/D converter composition, and the foil gauge 31 of wireless telecommunications static strain testing system is attached on steel box-girder base plate by the accurate location determined in jacking and monitoring scheme.
The laser ruler 41 that Displacement monitor system 4 is 0.1mm by multiple precision forms, and laser ruler is arranged on the crossbeam 12 on mounting system 1 top by the accurate location determined in jacking and monitoring scheme.
Steel box-girder Cheng Qiaohou of the present utility model is used to recover the jacking of unstress state and monitoring system is keeped in repair steel box-girder, when reinforcing, the position of the arrangement of related data determination mounting system 1, the jack model of jack-up system 2 and the quantity that first provide according to designing unit, the foil gauge 31 of stress monitoring system 3 and the laser ruler 41 of Displacement monitor system 4 and monitor data, it is specifically arranged can be as shown in Figure 4.Then the acting in conjunction of mounting system 1 and jack-up system 2 is passed through by steel box-girder progressively jack-up, jacking data finally by stress monitoring system 3 and Displacement monitor system 4 pairs of steel box-girder adjust, to recover the unstress state of steel box-girder, guarantee that steel box-girder meets current requirement after repair.
Steel box-girder after one-tenth bridge not only accurately can be returned to unstress state by the jacking of this steel box-girder Cheng Qiaohou recovery unstress state and monitoring system, guarantees that steel box-girder meets current requirement after repair, and has the advantage of easy accessibility, highly versatile.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.

Claims (5)

1. a steel box-girder Cheng Qiaohou recovers jacking and the monitoring system of unstress state, it comprises mounting system (1), jack-up system (2), stress monitoring system (3) and Displacement monitor system (4) composition, it is characterized in that:
Described mounting system (1) is made up of multiple carrier unit, and each described carrier unit comprises six roots of sensation column (11), and column (11) described in every root is welding spiral steel pipe composition; Described column (11) is upper laterally lays elongated i iron crossbeam (12), and arrange channel-section steel diagonal brace (13) at described column (11) middle part, upright post basic (14) adopts C30 Cast-in-place concrete; The each component of carrier unit adopts full welding manner to connect.
2. steel box-girder Cheng Qiaohou according to claim 1 recovers jacking and the monitoring system of unstress state, it is characterized in that:
Described jack-up system (2) is made up of multiple jackscrew (21) and wedge-shaped steel plate, described jackscrew (21) is arranged on the crossbeam (12) on described mounting system (1) top, wedge-shaped steel plate is arranged between described jackscrew (21) and steel box-girder base plate, produces depression for avoiding steel box-girder base plate because concentrating stressed.
3. steel box-girder Cheng Qiaohou according to claim 1 and 2 recovers jacking and the monitoring system of unstress state, it is characterized in that:
Described stress monitoring system (3) carrys out data acquisition by wireless telecommunications static strain testing system, and wireless telecommunications static strain testing system comprises foil gauge (31), wireless communication controller, wireless communication module, amplifier, A/D converter composition; The foil gauge (31) of wireless telecommunications static strain testing system is attached on steel box-girder base plate by the accurate location determined in jacking and monitoring scheme.
4. steel box-girder Cheng Qiaohou according to claim 1 and 2 recovers jacking and the monitoring system of unstress state, it is characterized in that:
The laser ruler (41) that described Displacement monitor system (4) is 0.1mm by multiple precision forms, and described laser ruler is arranged on the crossbeam (12) on described mounting system (1) top by the accurate location determined in jacking and monitoring scheme.
5. steel box-girder Cheng Qiaohou according to claim 3 recovers jacking and the monitoring system of unstress state, it is characterized in that:
The laser ruler (41) that described Displacement monitor system (4) is 0.1mm by multiple precision forms, and described laser ruler is arranged on the crossbeam (12) on described mounting system (1) top by the accurate location determined in jacking and monitoring scheme.
CN201520556574.7U 2015-07-28 2015-07-28 Resume no stress state's jacking and monitored control system behind steel case roof beam one -tenth bridge Expired - Fee Related CN204753411U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105568872A (en) * 2015-12-28 2016-05-11 厦门理工学院 Process for jacking continuous box girder incapable of releasing constraints at two ends at the same time
CN110455450A (en) * 2019-08-13 2019-11-15 中铁四院集团岩土工程有限责任公司 Move beam monitoring method, monitoring device, monitoring system and storage medium
CN110470193A (en) * 2019-08-23 2019-11-19 中铁四院集团岩土工程有限责任公司 A method of monitoring box beam and bridge pier relative displacement
CN110952463A (en) * 2019-12-10 2020-04-03 中铁大桥(南京)桥隧诊治有限公司 Reverse jacking reinforcement method and jacking structure of concrete box girder bridge
CN112064524A (en) * 2020-10-13 2020-12-11 上海同罡建筑工程有限公司 Reinforcing structure and method for jacking box girder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105568872A (en) * 2015-12-28 2016-05-11 厦门理工学院 Process for jacking continuous box girder incapable of releasing constraints at two ends at the same time
CN110455450A (en) * 2019-08-13 2019-11-15 中铁四院集团岩土工程有限责任公司 Move beam monitoring method, monitoring device, monitoring system and storage medium
CN110470193A (en) * 2019-08-23 2019-11-19 中铁四院集团岩土工程有限责任公司 A method of monitoring box beam and bridge pier relative displacement
CN110952463A (en) * 2019-12-10 2020-04-03 中铁大桥(南京)桥隧诊治有限公司 Reverse jacking reinforcement method and jacking structure of concrete box girder bridge
CN112064524A (en) * 2020-10-13 2020-12-11 上海同罡建筑工程有限公司 Reinforcing structure and method for jacking box girder

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Granted publication date: 20151111

Termination date: 20200728