CN205839606U - The ruggedized construction of Long span Hollow Slab Beam Bridge - Google Patents
The ruggedized construction of Long span Hollow Slab Beam Bridge Download PDFInfo
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- CN205839606U CN205839606U CN201620554931.0U CN201620554931U CN205839606U CN 205839606 U CN205839606 U CN 205839606U CN 201620554931 U CN201620554931 U CN 201620554931U CN 205839606 U CN205839606 U CN 205839606U
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Abstract
This utility model belongs to Technology Bridge Strengthening field, refer specifically to the ruggedized construction of a kind of Long span Hollow Slab Beam Bridge, including hollow slab girder, the hinge seam being positioned between hollow slab girder, it is arranged in ruggedized construction in the beam at hollow slab girder two ends, and is arranged in span centre and at end, connects ruggedized construction between the same beam stepping up all hollow slab girders.The ruggedized construction implementation cost of Long span Hollow Slab Beam Bridge described in the utility model is relatively low and is prone to construction, it is possible to more fully reply is easily sent out in the multiple diseases at the multiple position of bridge, and can be applicable to reach the Hollow Slab Beam Bridge of 30m across footpath.
Description
Technical field
This utility model belongs to Technology Bridge Strengthening field, refers specifically to the ruggedized construction of a kind of Long span Hollow Slab Beam Bridge.
Background technology
Hollow Slab Beam Bridge simple structure, stress are clear and definite, are to measure big, wide conventional bridge type in highway bridge.In recent years by
In pursuing the lightness of structure, the wall thickness of hollow slab girder excessively cut down, such as the prefabricated concrete hollow slab girder across footpath 30m,
Top board, base plate, web thickness are generally only 10～16cm, and deck-molding is only 1.2～1.3m, hollow out rate greatly due to structural section
Less deck-molding, causes girder rigidity less, and live loading underbeam body deformability is relatively big, and beam body many places are easily generated cracking phenomena,
Have a strong impact on the use function of bridge.
The domestic method about Hollow Slab Beam Bridge crack and damage maintenance and reinforcement is more, be mainly both for across footpath be 13～
The Mid and minor spans Hollow Slab Beam Bridge of 20m, the minority position being generally directed to bridge reinforces, with reply easily send out with this at specific
Bridge defect, it is impossible to reply is easily sent out in the multiple diseases at the multiple position of bridge the most all sidedly.Across footpath at the Long span of more than 20m
The Common Diseases kind of Hollow Slab Beam Bridge is more, and multiple diseases occurs the most simultaneously, and therefore reference is little.Pu Guangning etc.
Proposed a kind of can be empty for the beam-removing rib-increasing strengthening method maintenance and reinforcement 30m Long span prestressed concrete of multiple bridge defect
Core beam bridge, but its implementation cost is high, long in time limit, ruggedized construction complicated construction technique.Therefore, a kind of cost of design is relatively low, easy
Significant in construction and protected effect more comprehensively Long span Hollow Slab Beam Bridge ruggedized construction.
Summary of the invention
This utility model is intended to overcome the deficiency in the presence of prior art, it is provided that it is a kind of that cost is relatively low, be prone to construction and
The ruggedized construction of protected effect more comprehensively Long span Hollow Slab Beam Bridge.
Long span Hollow Slab Beam Bridge ruggedized construction described in the utility model includes hollow slab girder, the hinge being positioned between hollow slab girder
Seam, is arranged in ruggedized construction in the beam at hollow slab girder two ends, and is arranged in span centre and connects same stepping up at end and had time
Ruggedized construction between the beam of core beam.In described beam, ruggedized construction includes reinforced Concrete body and the air bag being filled in hollow slab girder, institute
Stating reinforced Concrete body is hollow concrete body, and hollow space is embedded with column air bag.
Between described beam ruggedized construction include with fixed interval transversely symmetrical be pasted on across the upper and lower surface of hollow slab girder
Banding strengthening steel slab, and through hinge seam symmetrically arranged strengthening steel slab fixed the Screw arbor with nut at both-ends of connection.
Be distributed in span centre and across end beam between ruggedized construction can effectively strengthen with the lateral ties between hollow slab girder, make
Become a stress entirety, improve bearing capacity, preferably reply bridge floor longitudinal cracking disease.In beam, ruggedized construction can be simultaneously
Realize the thickening of web at beam-ends, top board and base plate, successfully manage and easily send out the beam body longitudinal crack in hollow slab girder end and abdomen
Plate diagonal crack disease, will not increase too much load to bridge simultaneously.
In described beam, the ruggedized construction layout scope at hollow slab girder two ends is 3m.
Between described beam, ruggedized construction is 3m at span centre and the layout scope at end.
Ruggedized construction between ruggedized construction and beam is set in beam according to above-mentioned layout scope and disclosure satisfy that 30m is across footpath hollow slab girder
The reinforcing demand of bridge.
Described reinforced Concrete body is that divergence is not less than 650mm, and strength grade is not less than the self-compacting concrete concrete of C30
Body.Above-mentioned reinforced Concrete body is relatively easy to perform and intensity is higher, and beam-ends can play preferable consolidation effect.
The ruggedized construction implementation cost of Long span Hollow Slab Beam Bridge described in the utility model is relatively low and is prone to construction, it is possible to relatively
Reply is easily sent out in the multiple diseases at the multiple position of bridge all sidedly, and can be applicable to reach the Hollow Slab Beam Bridge of 30m across footpath.
Accompanying drawing explanation
The position schematic diagram of ruggedized construction between the ruggedized construction central sill of Fig. 1: Long span Hollow Slab Beam Bridge；
Fig. 2: the ruggedized construction of Long span Hollow Slab Beam Bridge sectional view at beam-ends.
Wherein: reinforce between ruggedized construction (31-reinforced Concrete body, 32-air bag), 4-beam in 1-hollow slab girder, 2-hinge seam, 3-beam
Structure (41-strengthening steel slab, 42-Screw arbor with nut at both-ends).
Detailed description of the invention
Below in conjunction with the accompanying drawings the ruggedized construction of Long span Hollow Slab Beam Bridge described in the utility model is described further.
As shown in Figure 1, 2, the ruggedized construction of Long span Hollow Slab Beam Bridge described in the utility model includes hollow slab girder 1, position
Hinge seam 2 between hollow slab girder 1, is arranged in ruggedized construction 3 in the beam at hollow slab girder 1 two ends, and is arranged in span centre and across end
Place connects ruggedized construction 4 between the same beam stepping up all hollow slab girders 1.In beam, ruggedized construction 3 includes being filled in hollow slab girder 1
Reinforced Concrete body 31 and air bag 32, reinforced Concrete body 31 is hollow-core construction, and hollow space is embedded with column air bag 32.
Between beam ruggedized construction 4 include with fixed interval transversely symmetrical be pasted on across the upper and lower surface of hollow slab girder 1
Banding strengthening steel slab 41, and through hinge seam 2 by the symmetrically arranged fixing Screw arbor with nut at both-ends 42 connected of strengthening steel slab 41.
Be distributed in span centre and across end beam between ruggedized construction 4 can effectively strengthen with the lateral ties between hollow slab girder 1,
Make a stress entirety, improve bearing capacity, preferably reply bridge floor longitudinal cracking disease.In beam, ruggedized construction 3 can
Successfully manage and easily send out the beam body longitudinal crack in hollow slab girder 1 end and Diagonal Crack in Web, bridge will not be increased simultaneously
Too much load.
In beam, the ruggedized construction 3 layout scope at hollow slab girder 1 two ends is 3m.
Between beam, ruggedized construction 4 is 3m at span centre and the layout scope at end.
Reinforced Concrete body 31 is not less than 650mm for divergence, and strength grade is not less than the self-compacting concrete concrete body of C30.
Above-mentioned reinforced Concrete body is relatively easy to perform and intensity is higher, and beam-ends can play preferable protected effect.
In layout beam during ruggedized construction 3, first perforate on the top board in the range of hollow slab girder 1 end 3m, at hollow slab girder 1
Beam-ends and template is set at beam-ends 3m, use air bag 32 to make temporary support as Nei Mo and with Steel bar rack, use layering
The mode poured is injected self-compacting concrete at openings in the ceiling and is performed reinforced Concrete body 31, is finally poured into and pushes up with hollow slab girder 1
Plate is concordant.Start to arrange ruggedized construction 4 between beam after self-compacting concrete reaches some strength, to span centre and at end cored slab
The upper and lower surface of beam 1 carries out polishing or dabbing process, along vertical bridge to being spaced a distance, uses steel bonding glue banding to be reinforced
Steel plate 41 symmetry is pasted on the upper and lower surface of the hollow slab girder 1 after process.After steel bonding adhesive curing, Screw arbor with nut at both-ends 42 is used to wear
Cross the reserved boring of strengthening steel slab 41 and hinge seam 2, vertical bridge upwards from span centre to two ends, direction across bridge from middle toward both sides to drawing spiral shell
Bar 42 is executed stubborn, progressively hollow slab girder 1 lateral connection is become an entirety, it is ensured that the same common stress of hollow slab girder 1 stepped up.
Claims (5)
1. the ruggedized construction of a Long span Hollow Slab Beam Bridge, it is characterised in that include hollow slab girder (1), be positioned at hollow slab girder
(1) hinge seam (2) between, is arranged in ruggedized construction (3) in the beam at hollow slab girder (1) two ends, and is arranged in span centre and at end
Connecting ruggedized construction (4) between the same beam stepping up all hollow slab girders (1), in described beam, ruggedized construction (3) includes being filled in sky
Reinforced Concrete body (31) in core beam (1) and air bag (32), described reinforced Concrete body (31) is hollow concrete body, and hollow space is embedded with post
Shape air bag (32).
2. the ruggedized construction of Long span Hollow Slab Beam Bridge as claimed in claim 1, it is characterised in that ruggedized construction between described beam
(4) include with fixed interval transversely symmetrical be pasted on across the banding strengthening steel slab on hollow slab girder (1) upper and lower surface
(41), and through hinge seam (2) by fixing for symmetrically arranged strengthening steel slab (41) Screw arbor with nut at both-ends (42) connected.
3. the ruggedized construction of Long span Hollow Slab Beam Bridge as claimed in claim 2, it is characterised in that ruggedized construction in described beam
(3) the layout scope at hollow slab girder (1) two ends is 3m.
4. the ruggedized construction of Long span Hollow Slab Beam Bridge as claimed in claim 2, it is characterised in that ruggedized construction between described beam
(4) it is 3m at span centre and the layout scope at end.
5. the ruggedized construction of Long span Hollow Slab Beam Bridge as claimed in claim 2, it is characterised in that described reinforced Concrete body (31)
For divergence not less than 650mm, and strength grade is not less than the self-compacting concrete concrete body of C30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620554931.0U CN205839606U (en) | 2016-06-07 | 2016-06-07 | The ruggedized construction of Long span Hollow Slab Beam Bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620554931.0U CN205839606U (en) | 2016-06-07 | 2016-06-07 | The ruggedized construction of Long span Hollow Slab Beam Bridge |
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| Publication Number | Publication Date |
|---|---|
| CN205839606U true CN205839606U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620554931.0U Active CN205839606U (en) | 2016-06-07 | 2016-06-07 | The ruggedized construction of Long span Hollow Slab Beam Bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108660947A (en) * | 2018-04-23 | 2018-10-16 | 河海大学 | A kind of reinforcing device and method of concrete hollow slab girder bridge longitudinal crack |
| CN113981839A (en) * | 2021-10-22 | 2022-01-28 | 中冶南方城市建设工程技术有限公司 | Method for reinforcing transverse overall performance of prefabricated hollow slab beam |
-
2016
- 2016-06-07 CN CN201620554931.0U patent/CN205839606U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108660947A (en) * | 2018-04-23 | 2018-10-16 | 河海大学 | A kind of reinforcing device and method of concrete hollow slab girder bridge longitudinal crack |
| CN113981839A (en) * | 2021-10-22 | 2022-01-28 | 中冶南方城市建设工程技术有限公司 | Method for reinforcing transverse overall performance of prefabricated hollow slab beam |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 2101-2104, 21 / F, unit a, block a, Hubei science and technology venture building, Xiaohongshan East District, Wuchang District, Wuhan City, Hubei Province, 430061 Patentee after: CCCC Road & Bridge Special Engineering Co.,Ltd. Address before: 430072 Floor 21, Block A, Hubei Science and Technology Entrepreneurship Building, No. 34, Xiaohongshan East District, Wuchang District, Wuhan, Hubei Province Patentee before: CCCC ROAD & BRIDGE SPECIAL ENGINEERING Co.,Ltd. |