CN204875485U - Device for preventing curve beam bridge level side is moved - Google Patents
Device for preventing curve beam bridge level side is moved Download PDFInfo
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- CN204875485U CN204875485U CN201520381495.7U CN201520381495U CN204875485U CN 204875485 U CN204875485 U CN 204875485U CN 201520381495 U CN201520381495 U CN 201520381495U CN 204875485 U CN204875485 U CN 204875485U
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Abstract
The utility model provides a device for preventing curve beam bridge level side is moved, includes of the containing fixed on pier platform, the cap interior subassembly that contains last component fixed of outer subassembly and the case breast portion of component down. It all is and props the L shape that constitutes by plane connecting plate and perpendicular main tributary to go up the component down. About perpendicular main tributary props two sides be about camber equal and with the curved surface of crooked orientation of the level of curve beam bridge and bend radius unanimity. Inside and outside subassembly and the rubber steel sheet association that fills between them are all place between the pier and the roof beam body and are transmitted roof beam body horizontal displacement. The little displacement of the roof beam body is prevented by rubber steel sheet association, big displacement is by the magnitude is permitted in member restraint and absorption down. When the displacement destroyed rubber steel sheet association, the rubber steel sheet association of changing according to calculating the redesign preparation prevented too big displacement. The utility model discloses can effectively prevent the roof beam that roof beam body horizontal displacement and earthquake arouse, its maintains that the maintenance conveniently. This device is installed on original pier, cap, has reduced the cost that increases pier, cap size.
Description
Technical field
The utility model relates to a kind of protective device of beam bridge, particularly relates to a kind of device preventing Curved Beam Bridge horizontal comparison.
Background technology
Due to the restriction of communication function and orographic condition, urban viaduct and overpass bridge many employings curved bridge, abnormity broaden bridge or ramp bridge.Curved Beam Bridge especially Sharp-Radius Curved Bridges because of the feature of structure stress, be easy to occur such as continuous beam the inner side of curve end bearing come to nothing or camber beam body to diseases such as integrated radial sidesways outside curve.Camber beam bridge radial deflection disease can not be recovered after occurring, and can only increase year by year.Investigation finds, the grade separation Curved Beam Bridge of Shenzhen's radius 250 meters after a procedure soon, records accumulative horizontal comparison and reaches 50cm.After camber beam bridge generation sidesway, can be there is corresponding change in the axial ratio of beam body and the horizontal wall inscription of bridge floor, make that beam body is stressed to change thereupon, and aggravation disease of beam body transforms to unfavorable direction, when the outer side-play amount of beam body runs up to a certain degree, the possibility that beam body just has unstability, comes off and tumble.
At present, Curved Beam Bridge top, downtown area beam body mostly is skew web plate box-beam structure, bottom is some independently bridge pier structures, and tradition prevents the device one of camber beam bridge horizontal comparison from being adopt fixed bearing, and two is that direction across bridge both sides arrange anti-horizontal comparison block on bridge pier platform, cap.The limited amount that fixed bearing is arranged on continuous beam, cannot restrictive curve beam bridge horizontal comparison.Block is set is used for preventing Curved Beam Bridge horizontal comparison in independent pier, cap direction across bridge both sides, need to add Bridge Pier platform, cap direction across bridge size.Add Bridge Pier platform, cap direction across bridge size, not only affect bridge attractive in appearance but also increase construction costs.In addition, above-mentioned anti-side shifter, later period maintenance maintenance is also comparatively difficult.
Utility model content
The purpose of this utility model provides a kind of structure simply, and the anti-horizontal comparison of beam body is effective, maintains the easy device preventing Curved Beam Bridge horizontal comparison.
The purpose of this utility model can realize.The device of Curved Beam Bridge horizontal comparison that prevents of the present utility model comprises each pier in Curved Beam Bridge bottom, at least two that cap uses traditional bearings, the utility model prevents the device characteristic of Curved Beam Bridge horizontal comparison to be: the pier of the some bridge piers in Curved Beam Bridge bottom, above cap, outside is all fixed with a bridge pier pre-embedded steel slab, bridge pier pre-embedded steel slab connects lower member by pre-embedded bolt by nut, described bridge pier pre-embedded steel slab, pre-embedded bolt, nut, lower member forms outer assembly, locate correspondence inside the inherent lower member of Curved Beam Bridge top beam body and be fixed with a pre-embedded steel slab, in beam body, pre-embedded steel slab connects upper member by nut in beam external body by pre-embedded bolt, pre-embedded steel slab in beam, pre-embedded bolt, nut, upper member forms inner assembly, described lower member and upper member are all L-shaped, and be all made up of planar attachment plate and upright main support, the planar attachment plate of described lower member is fixed on bridge pier platform, above cap, the planar attachment plate of described upper member is fixed on bottom beam body, upright main support upper surface and the beam body of described lower member are fitted and connected, upright main support lower surface and the bridge pier platform cap of described lower member are fitted and connected, described inner assembly, outer assembly is filled with rubber steel and hardens zoarium between respective upright main support, described outer assembly, inner assembly and rubber steel harden and fit form the device preventing Curved Beam Bridge horizontal comparison, the described device both sides of Curved Beam Bridge horizontal comparison that prevent respectively are provided with at least one bearing, prevent the device of Curved Beam Bridge horizontal comparison and the beam body of at least two bearing common support Curved Beam Bridge.
The utility model prevents the device of Curved Beam Bridge horizontal comparison, the height of wherein said lower member and upper member is all equal with described height of support, the side, two, left and right of the upright main support of described lower member or upper member is up and down the curved surface that curvature is equal everywhere, the central spot of described lower member upright main support bend radius is in the opposite side of planar attachment plate, and the central spot of described upper member upright main support bend radius is in planar attachment plate the same side.
The utility model prevents the device of Curved Beam Bridge horizontal comparison, and wherein said lower member is consistent with the bending direction of Curved Beam Bridge with the bending direction of upper member upright main support curved surface, and the bend radius of curved surface is equal with the horizontal curvature radius of Curved Beam Bridge.
The utility model prevents the device difference from prior art of Curved Beam Bridge horizontal comparison to be, and the utility model prevents in the device of Curved Beam Bridge horizontal comparison, form outer assembly by bridge pier pre-embedded steel slab, pre-embedded bolt, nut, lower member, form inner assembly by pre-embedded steel slab, pre-embedded bolt, nut, upper member in beam body.Lower member and upper member are all in the L shape be made up of planar attachment plate and upright main support.The side, two, left and right of upper and lower component upright main support is all the curved surface that curvature is equal everywhere up and down, the bend radius of this curved surface is equal with the horizontal curvature radius of Curved Beam Bridge, consistent with the bending direction of Curved Beam Bridge, to ensure that the constraint of beam body is side horizontal displacement constraint, avoid the constraint in unfavorable direction that beam body and bridge pier platform, cap are destroyed.Be filled with rubber steel between the upright main support of inner assembly and outer assembly to harden zoarium.Outer assembly, inner assembly and rubber steel harden and fit form the device preventing Curved Beam Bridge horizontal comparison.Preventing the device both sides of Curved Beam Bridge horizontal comparison each bearing at least one tradition being set and using respectively.Prevent the beam body of the device of Curved Beam Bridge horizontal comparison and the bearing common support Curved Beam Bridge of both sides.Between this device is placed on bottom bridge pier platform, cap and beam body, the horizontal movement of direct transfer beams body.When there is beam body horizontal comparison under Curved Beam Bridge is due to vehicular load and difference variation, its less horizontal movement is born by the zoarium that hardens of the rubber steel between inner assembly and outer assembly; Larger horizontal movement is retrained by the lower member outside bridge pier platform, cap and is absorbed and necessarily allows value.When beam displacement body cause rubber steel harden fit destruction time, to harden fit destroyed deciding degree horizontal movement value and horizontal loading size according to rubber steel, and change and harden zoarium to stop excessive lateral displacement according to calculating the rubber steel re-designed.
Below in conjunction with accompanying drawing, the device of Curved Beam Bridge horizontal comparison that prevents of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram that the utility model prevents Curved Beam Bridge horizontal comparison.
Fig. 2 is the E-E cross-sectional view in Fig. 1.
Fig. 3 is the upper member structural representation that the utility model prevents in the device of Curved Beam Bridge horizontal comparison.
Fig. 4 is upper member structure elevational schematic view.
Fig. 5 is the lower member structural representation that the utility model prevents in the device of Curved Beam Bridge horizontal comparison.
Fig. 6 is lower member structure schematic top plan view.
Detailed description of the invention
As shown in Figure 1 and Figure 2, in bearing 1 situation utilizing Curved Beam Bridge traditional, detailed description of the invention of the present utility model is:
At the pier of the some bridge piers in Curved Beam Bridge bottom, cap (2) above outside is all fixed with a bridge pier pre-embedded steel slab (3), bridge pier pre-embedded steel slab (3) connects lower member (6) by pre-embedded bolt (4) by nut (5), described bridge pier pre-embedded steel slab (3), pre-embedded bolt (4), nut (5), lower member (6) forms outer assembly, at inner side, Curved Beam Bridge top beam body (7) inherent lower member (6) place, correspondence is fixed with a pre-embedded steel slab (8), in beam body, pre-embedded steel slab (8) connects upper member (9) by nut (5-1) in beam body (7) outside by pre-embedded bolt (4-1), pre-embedded steel slab (8) in beam, pre-embedded bolt (4-1), nut (5-1), upper member (9) forms inner assembly, described lower member (6) and upper member (9) all L-shaped, and all by planar attachment plate (6-1, 9-1) with upright main support (6-2, 9-2) form, the planar attachment plate (6-1) of described lower member (6) is fixed on bridge pier platform, above cap (2), the planar attachment plate (9-1) of described upper member (9) is fixed on beam body (7) bottom, upright main support (6-2) upper surface and the beam body (7) of described lower member (6) are fitted and connected, upright main support (9-2) lower surface and the bridge pier platform cap (2) of described lower member (9) are fitted and connected, described inner assembly, outer assembly is in respective upright main support (6-2, be filled with rubber steel 9-2) to harden zoarium (10), described outer assembly, inner assembly and the rubber steel zoarium (10) that hardens forms and prevents the device of Curved Beam Bridge horizontal comparison, the described device both sides of Curved Beam Bridge horizontal comparison that prevent respectively are provided with at least one bearing (1), prevent the device of Curved Beam Bridge horizontal comparison and the beam body (7) of at least two bearing (1) common support Curved Beam Bridge.
As shown in Figure 1, the height of component 6 and upper member 9 is all highly equal with described bearing 1.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the upright main support 6-2 of lower member 6 or upper member 9, side, two, the left and right of 9-2 are up and down the curved surface that curvature is equal everywhere.The central spot of lower member 6 upright main support 6-2 bend radius is in the opposite side of planar attachment plate 6-1.The central spot of upper member 9 upright main support 9-2 bend radius is in planar attachment plate 9-1 the same side.
As shown in Figure 1 and Figure 2, lower member 6 is consistent with the bending direction of Curved Beam Bridge with the bending direction of upper member 9 upright main support 6-2,9-2 curved surface, and the bend radius of curved surface is equal with the horizontal curvature radius of Curved Beam Bridge.
The device of Curved Beam Bridge horizontal comparison that prevents of the present utility model is to adopting laminated rubber bearing and pot rubber bearing to prevent the one of curve bridge horizontal comparison from supplementing, effectively can stop camber beam bridge horizontal comparison, slow down Curved Beam Bridge horizontal comparison disease to increase the weight of, it also can stop seismic level to fall beam simultaneously.Install this device, do not need the size increasing Curved Beam Bridge pier, cap, only install on original pier, cap, construction costs is lower than the size of increase pier, cap.Harden fit 10 owing to being provided with removable rubber steel, facilitate the maintenance of Curved Beam Bridge.
Above-described embodiment is only be described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (3)
1. one kind prevents the device of Curved Beam Bridge horizontal comparison, it is characterized in that: the pier of the some bridge piers in Curved Beam Bridge bottom, cap (2) above outside is all fixed with a bridge pier pre-embedded steel slab (3), bridge pier pre-embedded steel slab (3) connects lower member (6) by pre-embedded bolt (4) by nut (5), described bridge pier pre-embedded steel slab (3), pre-embedded bolt (4), nut (5), lower member (6) forms outer assembly, inner side, Curved Beam Bridge top beam body (7) inherent lower member (6) place correspondence is fixed with pre-embedded steel slab (8) in a beam, in beam, pre-embedded steel slab (8) connects upper member (9) by nut (5-1) in beam body (7) outside by pre-embedded bolt (4-1), pre-embedded steel slab (8) in beam, pre-embedded bolt (4-1), nut (5-1), upper member (9) forms inner assembly, described lower member (6) and upper member (9) all L-shaped, and all by planar attachment plate (6-1, 9-1) with upright main support (6-2, 9-2) form, the planar attachment plate (6-1) of described lower member (6) is fixed on bridge pier platform, above cap (2), the planar attachment plate (9-1) of described upper member (9) is fixed on beam body (7) bottom, upright main support (6-2) upper surface and the beam body (7) of described lower member (6) are fitted and connected, upright main support (9-2) lower surface and the bridge pier platform cap (2) of described lower member (9) are fitted and connected, described inner assembly, outer assembly is in respective upright main support (6-2, be filled with rubber steel 9-2) to harden zoarium (10), described outer assembly, inner assembly and the rubber steel zoarium (10) that hardens forms and prevents the device of Curved Beam Bridge horizontal comparison, the described device both sides of Curved Beam Bridge horizontal comparison that prevent respectively are provided with at least one bearing (1), prevent the device of Curved Beam Bridge horizontal comparison and the beam body (7) of at least two bearing (1) common support Curved Beam Bridge.
2. the device preventing Curved Beam Bridge horizontal comparison according to claim 1, it is characterized in that: the height of described lower member (6) and upper member (9) is all highly equal with described bearing (1), upright main support (the 6-2 of described lower member (6) or upper member (9), side, two, left and right 9-2) is up and down the curved surface that curvature is equal everywhere, the central spot of described lower member (6) upright main support (6-2) bend radius is in the opposite side of planar attachment plate (6-1), the central spot of described upper member (9) upright main support (9-2) bend radius is in planar attachment plate (9-1) the same side.
3. the device preventing Curved Beam Bridge horizontal comparison according to claim 1 and 2, it is characterized in that: described lower member (6) is consistent with the bending direction of Curved Beam Bridge with the bending direction of upper member (9) upright main support (6-2,9-2) curved surface, and the bend radius of curved surface is equal with the horizontal curvature radius of Curved Beam Bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381495.7U CN204875485U (en) | 2015-06-04 | 2015-06-04 | Device for preventing curve beam bridge level side is moved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381495.7U CN204875485U (en) | 2015-06-04 | 2015-06-04 | Device for preventing curve beam bridge level side is moved |
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| CN204875485U true CN204875485U (en) | 2015-12-16 |
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| CN201520381495.7U Active CN204875485U (en) | 2015-06-04 | 2015-06-04 | Device for preventing curve beam bridge level side is moved |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878686A (en) * | 2015-06-04 | 2015-09-02 | 北京市市政工程研究院 | Device for preventing curved beam bridge from horizontal displacement and construction method thereof |
| CN106592416A (en) * | 2017-02-21 | 2017-04-26 | 山东科技大学 | Device and construction method for limiting lateral displacement and overturn of curve beam bridge |
| CN106958184A (en) * | 2017-04-21 | 2017-07-18 | 周海兵 | Mobile formwork positioner |
| CN108560431A (en) * | 2018-05-02 | 2018-09-21 | 东南大学 | One kind being directed to Testing of A Curved Continuous Box Girder Bridge lateral displacement Treatment Methods |
| CN114953122A (en) * | 2022-06-20 | 2022-08-30 | 中交一公局西南工程有限公司 | Cast-in-place multi-functional concatenation mould of small radius curve beam bridge |
-
2015
- 2015-06-04 CN CN201520381495.7U patent/CN204875485U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878686A (en) * | 2015-06-04 | 2015-09-02 | 北京市市政工程研究院 | Device for preventing curved beam bridge from horizontal displacement and construction method thereof |
| CN106592416A (en) * | 2017-02-21 | 2017-04-26 | 山东科技大学 | Device and construction method for limiting lateral displacement and overturn of curve beam bridge |
| CN106592416B (en) * | 2017-02-21 | 2018-07-24 | 山东科技大学 | A kind of restrictive curve beam bridge sidesway and topple device and construction method |
| CN106958184A (en) * | 2017-04-21 | 2017-07-18 | 周海兵 | Mobile formwork positioner |
| CN106958184B (en) * | 2017-04-21 | 2019-03-01 | 周海兵 | Mobile formwork positioning device |
| CN108560431A (en) * | 2018-05-02 | 2018-09-21 | 东南大学 | One kind being directed to Testing of A Curved Continuous Box Girder Bridge lateral displacement Treatment Methods |
| CN114953122A (en) * | 2022-06-20 | 2022-08-30 | 中交一公局西南工程有限公司 | Cast-in-place multi-functional concatenation mould of small radius curve beam bridge |
| CN114953122B (en) * | 2022-06-20 | 2023-12-15 | 中交一公局西南工程有限公司 | Cast-in-situ multifunctional splicing die for small-radius curved beam bridge |
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