CN220301160U - Bridge deck structure of hogging moment area of steel-concrete composite beam - Google Patents
Bridge deck structure of hogging moment area of steel-concrete composite beam Download PDFInfo
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- CN220301160U CN220301160U CN202320584870.2U CN202320584870U CN220301160U CN 220301160 U CN220301160 U CN 220301160U CN 202320584870 U CN202320584870 U CN 202320584870U CN 220301160 U CN220301160 U CN 220301160U
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- bridge deck
- steel
- composite beam
- concrete composite
- wall
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- 239000004567 concrete Substances 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 239000011374 ultra-high-performance concrete Substances 0.000 claims abstract description 29
- 230000008093 supporting effect Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 238000005336 cracking Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a bridge deck structure of a hogging moment area of a steel-concrete composite beam, which comprises a UHPC bridge deck plate and supporting seats, wherein a fixing mechanism is arranged in the UHPC bridge deck plate and comprises FRP grids movably mounted on the inner wall of the front side of the UHPC bridge deck plate, and the outer wall of each FRP grid is movably provided with four positioning seats. The bridge deck structure of the hogging moment area of the steel-concrete composite beam is characterized in that the FRP grid replaces traditional steel bars, the problem that the steel bars exposed outside after concrete cracking are easy to rust can be solved, the durability of the bridge deck structure is higher than that of the steel bars, UHPC replaces common concrete, the excellent tensile property of the bridge deck structure can be exerted, the problem that the concrete in the hogging moment area of the steel-concrete composite beam is easy to crack is solved, meanwhile, the FRP grid is fixedly positioned in the UHPC bridge deck, the FRP grid is prevented from moving when filling and pouring is carried out in the UHPC bridge deck, and the construction efficiency and the construction quality are improved.
Description
Technical Field
The utility model relates to the technical field of bridge engineering, in particular to a bridge deck structure of a hogging moment area of a steel-concrete composite beam.
Background
The common steel bridge deck has the disadvantages of light weight, high tensile strength, good plasticity, lower rigidity, higher manufacturing cost and the like; the common concrete bridge deck has good compression resistance, but has the defects of low tensile strength, easy cracking and the like. In recent years, the steel-concrete composite beam is widely used in bridge engineering due to the excellent performance, and the advantages of high tensile strength, good plasticity and good concrete compression resistance of the steel can be fully exerted.
At present, for a hogging moment area of a multi-span steel-concrete composite beam, as the tensile property of concrete is weaker, and the phenomenon of concrete cracking often occurs, a bridge deck structure of the hogging moment area of the steel-concrete composite beam is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a bridge deck structure of a hogging moment area of a steel-concrete composite beam, which has the advantages of higher durability, convenience in positioning and installation and the like, and solves the problem that exposed steel bars are easy to rust after concrete cracking.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the bridge deck structure of the hogging moment area of the steel-concrete composite beam comprises a UHPC bridge deck plate and a supporting seat, wherein a fixing mechanism is arranged in the UHPC bridge deck plate;
the fixing mechanism comprises FRP grids movably mounted on the inner wall of the front side of the UHPC bridge deck, four positioning seats are movably mounted on the outer wall of the FRP grids, a first clamping rod and a second clamping rod are respectively and slidably connected to one side, far away from the FRP grids, of each positioning seat, a clamping block is fixedly mounted on one side, far away from the positioning seats, of each first clamping rod and each second clamping rod, a supporting plate is movably mounted on the outer wall of the back side of the UHPC bridge deck, two supporting rods are fixedly mounted on the outer wall of the bottom of the supporting plate, and reinforcing rods are fixedly connected between the two supporting rods.
Further, the one side that the locating seat kept away from the FRP grid has been seted up and has been quantity two spouts, first draw-in lever and second draw-in lever are at spout inside sliding connection and size looks adaptation.
Further, the two 'T' -shaped clamping grooves are formed in the inner walls of the left side and the right side of the UHPC bridge deck, the inner walls of the top and the bottom, and the clamping blocks, the first clamping rods and the second clamping rods are clamped in the 'T' -shaped clamping grooves and are matched in size.
Further, the shape of the positioning seat is L-shaped, and the positioning seat is attached to the corner of the FRP grid.
Further, the bottom outer wall of bracing piece fixed mounting is on the bottom inner wall of supporting seat, contained angle between bracing piece and the supporting seat is thirty-five degrees.
Further, the included angles between the two support rods and the reinforcing rods are equal and are thirty-five degrees.
Further, a fixed rod is fixedly arranged between the reinforcing rod and the supporting plate.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
the bridge deck structure of the hogging moment area of the steel-concrete composite beam is characterized in that the FRP grid replaces traditional steel bars, the problem that the steel bars exposed outside after concrete cracking are easy to rust can be solved, the durability of the bridge deck structure is higher than that of the steel bars, UHPC replaces common concrete, the excellent tensile property of the bridge deck structure can be exerted, the problem that the concrete in the hogging moment area of the steel-concrete composite beam is easy to crack is solved, meanwhile, the FRP grid is fixedly positioned in the UHPC bridge deck, the FRP grid is prevented from moving when filling and pouring is carried out in the UHPC bridge deck, and the construction efficiency and the construction quality are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a right side schematic view of the present utility model;
FIG. 3 is a right-side partial structure of the present utility model.
In the figure: 1. UHPC bridge deck; 2. a support base; 3. FRP grille; 4. a positioning seat; 5. a first clamping rod; 6. a second clamping rod; 7. a clamping block; 8. a support plate; 9. a support rod; 10. and a reinforcing rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a bridge deck structure in a hogging moment area of a steel-concrete composite beam in this embodiment includes a UHPC bridge deck 1 and a supporting seat 2, and a fixing mechanism is disposed in the UHPC bridge deck 1.
Fixed establishment includes movable mounting at FRP grid 3 of UHPC decking 1 front side inner wall, the outer wall movable mounting of FRP grid 3 has a quantity to be four positioning seat 4, positioning seat 4's shape is "L" shape, positioning seat 4 laminating is in FRP grid 3's corner, positioning seat 4 keeps away from FRP grid 3's one side sliding connection respectively has first clamping lever 5 and second clamping lever 6, positioning seat 4 keeps away from FRP grid 3's one side and has seted up the spout that the quantity is two, first clamping lever 5 and second clamping lever 6 are at spout inside sliding connection and size looks adaptation, one side fixed mounting of first clamping lever 5 and second clamping lever 6 keep away from positioning seat 4 has fixture block 7, UHPC decking 1 left and right sides inner wall and top inner wall and bottom inner wall all have seted up the "T" shape draw-in groove that the quantity is two, fixture block 7 and first clamping lever 6 joint are in the inside and big or small looks adaptation of "T" shape draw-in groove, the back of the side outer wall movable mounting of FRP decking 1 has backup pad 8, the bottom of backup pad 8 is two support rods 9 and two support rods 9 fixed included angles between the support rods 9, the support rods 9 are fixed between the support rods 9 and the support rods of the two support rods of the bottom 10, the support angle between the two support rods of the bottom is 10, the support rods of the fixed connection is between the support rods of the two support rods of the bottom 10, the support rods of the bottom between the two support rods of the bottom 10.
In this embodiment, the FRP grille 3 is placed inside the UHPC bridge deck 1 for reinforcement.
In this embodiment, the positioning seat 4 is attached to four corners of the FRP grille 3, and has a positioning effect on the FRP grille 3.
In this embodiment, the action of the support plate 8, the support rod 9 and the reinforcing rod 10 has a supporting effect on the UHPC bridge deck 1.
The working principle of the embodiment is as follows:
the FRP grille 3 is placed in the inner wall of the front side of the UHPC bridge deck 1, then four positioning seats 4 are respectively attached to four corners of the FRP grille 3, then a first clamping rod 5 and a second clamping rod 6 are respectively connected in a sliding groove formed in the positioning seat 4 in a sliding mode, meanwhile, a clamping block 7 is clamped in a clamping groove formed in the UHPC bridge deck 1, positioning and fixing work of the FRP grille 3 is completed at the moment, and then the inside of the UHPC bridge deck 1 can be filled and poured.
In the second embodiment, on the basis of the first embodiment, a fixing rod is provided, and the overall supporting effect of the supporting seat 2 and the supporting plate 8 is increased through the action of the fixing rod.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Bridge deck structure in steel-concrete composite beam hogging moment district, including UHPC decking (1) and supporting seat (2), its characterized in that: a fixing mechanism is arranged in the UHPC bridge deck (1);
the fixing mechanism comprises FRP grids (3) movably mounted on the inner wall of the front side of the UHPC bridge deck (1), four positioning seats (4) are movably mounted on the outer wall of each FRP grid (3), a first clamping rod (5) and a second clamping rod (6) are respectively and slidably connected to one side, far away from each FRP grid (3), of each positioning seat (4), a clamping block (7) is fixedly mounted on one side, far away from each positioning seat (4), of each first clamping rod (5) and each second clamping rod (6), a supporting plate (8) is movably mounted on the outer wall of the back side of the UHPC bridge deck (1), two supporting rods (9) are fixedly mounted on the outer wall of the bottom of each supporting plate (8), and reinforcing rods (10) are fixedly connected between the two supporting rods (9).
2. The deck structure of a hogging moment region of a steel-concrete composite beam according to claim 1, wherein: the locating seat (4) is far away from one side of the FRP grid (3) and is provided with two sliding grooves, and the first clamping rod (5) and the second clamping rod (6) are in sliding connection in the sliding grooves and are matched with each other in size.
3. The deck structure of a hogging moment region of a steel-concrete composite beam according to claim 1, wherein: the UHPC bridge deck slab (1) is characterized in that the left and right side inner walls, the top inner wall and the bottom inner wall are respectively provided with two T-shaped clamping grooves, and the clamping blocks (7), the first clamping rods (5) and the second clamping rods (6) are clamped in the T-shaped clamping grooves and are adaptive in size.
4. The deck structure of a hogging moment region of a steel-concrete composite beam according to claim 1, wherein: the positioning seat (4) is L-shaped, and the positioning seat (4) is attached to the corner of the FRP grid (3).
5. The deck structure of a hogging moment region of a steel-concrete composite beam according to claim 1, wherein: the bottom outer wall of the supporting rod (9) is fixedly arranged on the bottom inner wall of the supporting seat (2), and an included angle between the supporting rod (9) and the supporting seat (2) is thirty-five degrees.
6. The deck structure of a hogging moment region of a steel-concrete composite beam according to claim 1, wherein: the included angle between the two support rods (9) and the reinforcing rod (10) is equal and is thirty-five degrees.
7. The deck structure of a hogging moment region of a steel-concrete composite beam according to claim 1, wherein: a fixed rod is fixedly arranged between the reinforcing rod (10) and the supporting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584870.2U CN220301160U (en) | 2023-03-23 | 2023-03-23 | Bridge deck structure of hogging moment area of steel-concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584870.2U CN220301160U (en) | 2023-03-23 | 2023-03-23 | Bridge deck structure of hogging moment area of steel-concrete composite beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220301160U true CN220301160U (en) | 2024-01-05 |
Family
ID=89348407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320584870.2U Active CN220301160U (en) | 2023-03-23 | 2023-03-23 | Bridge deck structure of hogging moment area of steel-concrete composite beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220301160U (en) |
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2023
- 2023-03-23 CN CN202320584870.2U patent/CN220301160U/en active Active
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