CN102787559A - Installation method for durable hinge joint of full life concrete bridge - Google Patents
Installation method for durable hinge joint of full life concrete bridge Download PDFInfo
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- CN102787559A CN102787559A CN2012102447932A CN201210244793A CN102787559A CN 102787559 A CN102787559 A CN 102787559A CN 2012102447932 A CN2012102447932 A CN 2012102447932A CN 201210244793 A CN201210244793 A CN 201210244793A CN 102787559 A CN102787559 A CN 102787559A
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Abstract
The invention relates to an installation method for a durable hinge joint of a full life concrete bridge. A novel reinforcement type and the installation method of the hinge joint are adopted, so that the lateral integrity of the bridge structure is improved; the service life of the hinge joint is prolonged; the bridge structure function is improved; and the maintenance cost of the bridge is greatly reduced.
Description
Technical field
The present invention relates to the mounting method of the durable hinge crack structure of a kind of life-cycle concrete-bridge.
Background technology
Hinge seam is positioned in the middle of the carriageway plate, below the bridge deck pavement.The reason that the hinge seam destroys is many-sided, because the traffic load effect, hinge seam, cast-in-place plate, the layer of mating formation all produce instantaneous deformation.Though bridge deck pavement has disperseed fractional load, it is still very big to act on the load sewed on of hinge.Because of its cross-sectional area is little than carriageway plate,, under load action, hinge seam concrete is separated with the carriageway plate concrete so the amount of deflection of hinge seam is bigger than carriageway plate.In addition, along with economic development, the quantity of large-tonnage bogie is increasing year by year; Especially on fortune coal route, the carrying capacity of bogie can reach about 100 t, and concrete tensile strength is much smaller than compressive strength; Under the effect repeatedly of heavy duty, it is stressed to form veneer easily, causes the too early damage of bridge floor hinge seam; Hinge seam concrete comes off, thereby shortens the application life of bridge floor.
China exists multiple hinge seam tectonic type and mounting method at present, but all can not satisfy the long-term durable needs of military service bridge.
Summary of the invention
The objective of the invention is to, to the deficiency of prior art, the mounting method of the durable hinge crack structure of a kind of life-cycle concrete-bridge is provided, increase hinge seam resistance capacity to deformation and shear resistance improve hinge and stitch application life.
Technical scheme of the present invention does; The mounting method of the durable hinge crack structure of a kind of life-cycle concrete-bridge, the girder top of concrete-bridge is provided with in-situ layer, and girder comprises girder distributing bar and girder longitudinal reinforcement; Be provided with the hinge seam between two girders, said mounting method is following:
A. in the hinge seam, vertical cross wise reinforcement is installed, and the bottom of vertical cross wise reinforcement is coupled together through hinge seam transverse reinforcement;
B. the girder top board stretches out the girder crown stay to in-situ layer and goes out reinforcing bar, and kingpost baseplate upwards stretches out kingpost baseplate and overhangs the top that reinforcing bar and kingpost baseplate overhang reinforcing bar and extend to the hinge seam transverse reinforcement upside in the hinge seam;
C. kingpost baseplate being overhanged reinforcing bar and girder distributing bar and girder longitudinal reinforcement is fixed together;
D. kingpost baseplate being overhanged reinforcing bar is fixed together with vertical cross wise reinforcement and hinge seam transverse reinforcement;
E. vertical cross wise reinforcement and girder crown stay being gone out reinforcing bar is fixed together;
F. concreting in in-situ layer and hinge seam.
The girder top board stretches out the girder crown stay along the every separated 20cm of width of main beam direction to in-situ layer and goes out reinforcing bar.
Kingpost baseplate upwards stretches out kingpost baseplate along the every separated 20cm of width of main beam direction and overhangs reinforcing bar.
At a distance from 20cm vertical cross wise reinforcement is installed along the width of main beam direction is every in the hinge seam.
Girder is a hollowcore slab.
Hinge seam concrete combines closely with hollowcore slab, carriageway plate, and hinge seam concrete, hollowcore slab and bridge deck pavement are integrally formed, and just can reach the non-deformability that improves the hinge seam.Through mechanical calculation and analysis, the end bay side plate under the mobile load effect and the stress calculation result of middle plate are as shown in table 1, can find out from result of calculation, adopt novel hinge seam arrangement of reinforcement pattern, and the lateral stress of hollowcore slab reduces greatly, and the raising of transverse integral property is a lot.
The different hinge seam of table 1 arrangement of reinforcement pattern result of calculation (is drawn to just, MPa)
Test (actual detected) shows, the mounting method of the durable hinge crack structure of life-cycle concrete-bridge according to the invention has improved the transverse integral property of bridge construction; Improved hinge seam service life, lift bridge girder construction function; Greatly reduce its maintenance cost.
Description of drawings
Fig. 1 is the structural representation of concrete-bridge according to the invention.
The specific embodiment
As shown in Figure 1; The mounting method of the durable hinge crack structure of a kind of life-cycle concrete-bridge, girder 1 top of concrete-bridge is provided with in-situ layer 2, and girder 1 comprises girder distributing bar 8 and girder longitudinal reinforcement 7; Be provided with hinge seam 9 between two girders 1, mounting method is following:
A. at a distance from 20cm vertical cross wise reinforcement 4 is installed along girder 1 width is every in the hinge seam 9., and the bottom of vertical cross wise reinforcement 4 coupled together through hinge seam transverse reinforcement 5;
B. girder 1 top board stretches out the girder crown stay at a distance from 20cm to in-situ layer 2 and goes out reinforcing bar 3 along girder 1 width is every, and girder 1 base plate upwards stretches out kingpost baseplate at a distance from 20cm and overhangs the top that reinforcing bar 6 and kingpost baseplate overhang reinforcing bar 6 and extend to hinges seam transverse reinforcement 5 upsides in the hinge seam 9 along girder 1 width is every;
C. kingpost baseplate being overhanged reinforcing bar 6 and girder distributing bar 8 and girder longitudinal reinforcement 7 is fixed together through colligation;
D. kingpost baseplate being overhanged reinforcing bar 6 and vertical cross wise reinforcement 4 and hinge seam transverse reinforcement 5 is fixed together through colligation;
E. vertical cross wise reinforcement 4 and girder crown stay being gone out reinforcing bar 3 is fixed together through colligation;
F. stitch concreting in 9 to in-situ layer 2 and hinge.
Girder 1 is a hollowcore slab.
Claims (5)
1. the mounting method of the durable hinge crack structure of life-cycle concrete-bridge; The girder of concrete-bridge (1) top is provided with in-situ layer (2); Girder (1) comprises girder distributing bar (8) and girder longitudinal reinforcement (7); Be provided with hinge seam (9) between two girders (1), it is characterized in that said mounting method is following:
A., vertical cross wise reinforcement (4) is installed in hinge seam (9), and the bottom of vertical cross wise reinforcement (4) is coupled together through hinge seam transverse reinforcement (5);
B. girder (1) top board stretches out the girder crown stay to in-situ layer (2) and goes out reinforcing bar (3), and girder (1) base plate upwards stretches out kingpost baseplate and overhangs the top that reinforcing bar (6) and kingpost baseplate overhang reinforcing bar (6) and extend to hinge seam transverse reinforcement (5) upside in the hinge seam (9);
C. kingpost baseplate being overhanged reinforcing bar (6) is fixed together with girder distributing bar (8) and girder longitudinal reinforcement (7);
D. kingpost baseplate being overhanged reinforcing bar (6) is fixed together with vertical cross wise reinforcement (4) and hinge seam transverse reinforcement (5);
E. vertical cross wise reinforcement (4) and girder crown stay being gone out reinforcing bar (3) is fixed together;
F. stitch concreting in (9) to in-situ layer (2) and hinge.
2. according to the mounting method of the durable hinge crack structure of the said life-cycle concrete-bridge of claim 1, it is characterized in that said girder (1) top board stretches out the girder crown stay along the every separated 20cm of girder (1) width to in-situ layer (2) and goes out reinforcing bar (3).
3. according to the mounting method of the durable hinge crack structure of the said life-cycle concrete-bridge of claim 1, it is characterized in that said girder (1) base plate upwards stretches out kingpost baseplate along the every separated 20cm of girder (1) width and overhangs reinforcing bar (6).
4. according to the mounting method of the durable hinge crack structure of the said life-cycle concrete-bridge of claim 1, it is characterized in that, at a distance from 20cm vertical cross wise reinforcement (4) is installed along girder (1) width is every in the said hinge seam (9).
5. according to the mounting method of the durable hinge crack structure of the said life-cycle concrete-bridge of one of claim 1-4, it is characterized in that said girder (1) is a hollowcore slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102447932A CN102787559A (en) | 2012-07-16 | 2012-07-16 | Installation method for durable hinge joint of full life concrete bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102447932A CN102787559A (en) | 2012-07-16 | 2012-07-16 | Installation method for durable hinge joint of full life concrete bridge |
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| CN102787559A true CN102787559A (en) | 2012-11-21 |
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| CN2012102447932A Pending CN102787559A (en) | 2012-07-16 | 2012-07-16 | Installation method for durable hinge joint of full life concrete bridge |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648899A (en) * | 2016-04-07 | 2016-06-08 | 华北水利水电大学 | Hinge joint reinforcement bar structure for concrete hollow slab bridge |
| CN107704648A (en) * | 2017-08-22 | 2018-02-16 | 武汉理工大学 | The service life Forecasting Methodology of cored slab hinge seam based on relative displacement limit equation |
| CN109235253A (en) * | 2018-08-31 | 2019-01-18 | 浙江工业大学 | A kind of hinge seam sealing and connecting device |
| CN109295849A (en) * | 2018-10-31 | 2019-02-01 | 福州大学 | A kind of cored slab hinge seam construction and its construction method with anchor plate |
| CN116892178A (en) * | 2023-09-11 | 2023-10-17 | 湖南大学 | Reinforcing method of hollow slab girder bridge based on UHPC |
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| SU1013539A1 (en) * | 1982-07-31 | 1983-04-23 | Белорусский Дорожный Научно-Исследовательский Институт Научно-Производственного Объединения "Дорстройтехника" | Pivotal butt joint of ferroconcrete members |
| CN102337728A (en) * | 2010-07-22 | 2012-02-01 | 上海申继交通科技有限公司 | Novel composite maintaining method of hinged joint of bridge |
| CN202247710U (en) * | 2011-09-06 | 2012-05-30 | 湖南固特邦土木技术发展有限公司 | Structure for enhancing horizontal linkage of existing bridge hollow slabs without interrupting traffic |
| CN202595616U (en) * | 2012-04-13 | 2012-12-12 | 长沙理工大学 | Concrete bridge with durable hinge joint device |
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2012
- 2012-07-16 CN CN2012102447932A patent/CN102787559A/en active Pending
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| SU1013539A1 (en) * | 1982-07-31 | 1983-04-23 | Белорусский Дорожный Научно-Исследовательский Институт Научно-Производственного Объединения "Дорстройтехника" | Pivotal butt joint of ferroconcrete members |
| CN102337728A (en) * | 2010-07-22 | 2012-02-01 | 上海申继交通科技有限公司 | Novel composite maintaining method of hinged joint of bridge |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648899A (en) * | 2016-04-07 | 2016-06-08 | 华北水利水电大学 | Hinge joint reinforcement bar structure for concrete hollow slab bridge |
| CN105648899B (en) * | 2016-04-07 | 2017-09-05 | 华北水利水电大学 | A kind of concrete hollow slab bridge hinge seam bar construction |
| CN107704648A (en) * | 2017-08-22 | 2018-02-16 | 武汉理工大学 | The service life Forecasting Methodology of cored slab hinge seam based on relative displacement limit equation |
| CN107704648B (en) * | 2017-08-22 | 2020-02-18 | 武汉理工大学 | Service life prediction method of hollow plate hinge joint based on relative displacement limit equation |
| CN109235253A (en) * | 2018-08-31 | 2019-01-18 | 浙江工业大学 | A kind of hinge seam sealing and connecting device |
| CN109235253B (en) * | 2018-08-31 | 2024-04-09 | 浙江工业大学 | Hinge joint sealing connection device |
| CN109295849A (en) * | 2018-10-31 | 2019-02-01 | 福州大学 | A kind of cored slab hinge seam construction and its construction method with anchor plate |
| CN116892178A (en) * | 2023-09-11 | 2023-10-17 | 湖南大学 | Reinforcing method of hollow slab girder bridge based on UHPC |
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Application publication date: 20121121 |