CN218989888U - Bridge deck continuous connection structure of simply supported girder bridge - Google Patents
Bridge deck continuous connection structure of simply supported girder bridge Download PDFInfo
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- CN218989888U CN218989888U CN202223205372.7U CN202223205372U CN218989888U CN 218989888 U CN218989888 U CN 218989888U CN 202223205372 U CN202223205372 U CN 202223205372U CN 218989888 U CN218989888 U CN 218989888U
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Abstract
The utility model relates to a bridge deck continuous connection structure of a simply supported girder bridge, which comprises inverted T-shaped bridge piers, wherein simply supported girders are arranged on two sides of each bridge pier, gaps are reserved between each two simply supported girders and each bridge pier, a plurality of transverse bridge-oriented steel bars arranged in a transverse bridge direction and a plurality of parallel bridge-oriented steel bars arranged in a parallel bridge direction are paved on each bridge pier and each two simply supported girders, first steel plates are connected to each two simply supported girders, reinforcing angle steel is connected between the first steel plates of each two simply supported girders on two sides of each bridge pier, part of transverse bridge-oriented steel bars penetrate through round holes in the reinforcing angle steel, the connection strength of gaps between each bridge pier and the corresponding simply supported girders is reinforced through the corresponding transverse bridge-oriented steel bars and the corresponding parallel bridge-oriented steel bars, and the adjacent two parallel bridge-oriented steel bars are staggered, so that the ends of the corresponding parallel bridge-oriented steel bars are prevented from generating cracks due to abrupt change of the steel bars, and the connection strength of the gaps between the bridge piers and the corresponding simply supported girders can be reinforced, and the connection reliability is improved.
Description
Technical Field
The utility model relates to a bridge structure, in particular to a bridge deck continuous connection structure of a simply supported girder bridge.
Background
The existing bridge mainly comprises a simply supported girder bridge and a continuous girder bridge, wherein the simply supported girder bridge has the advantages of quick construction, simple stress and the like, but the expansion joints are more, the problems of bridge head jump, water seepage of expansion devices and the like are easy to occur, and the bridge falling risk exists when the bridge is applied to a high-intensity earthquake area; while the continuous beam bridge has the advantages of less bridge deck expansion joints, good travelling comfort and the like, the continuous beam bridge has the defects of complex construction and structural stress and the like; the bridge deck continuous structure of the simply supported beam bridge integrates the advantages of the two bridge types, not only maintains the characteristic of simple stress construction of the simply supported beam, but also improves the travelling comfort, and becomes the exploration direction of the beam bridge. However, in the actual use process, due to the combined action of loads such as automobile live load and temperature change, the upper edge of the bridge deck continuous structure is in a complex stress state for a long time, and the ultimate tensile strength of common concrete is very low, so that structural diseases can be inevitably generated, the service performance of the bridge is influenced, the bridge is required to be frequently maintained in engineering, and the bridge is not only costly and time-consuming, but also traffic is influenced.
Disclosure of Invention
In view of the foregoing drawbacks of the prior art, an object of the present utility model is to provide a bridge deck continuous connection structure of a simply supported girder bridge, so as to solve one or more problems in the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the bridge deck continuous connection structure of simply supported girder bridge comprises bridge piers, simply supported box girders are arranged on two sides of each bridge pier, gaps exist between the simply supported box girders and the bridge piers, the bridge piers and the two simply supported box girders are paved with a plurality of transverse bridges to the arranged transverse bridges to the reinforcing steel bars and a plurality of parallel bridges to the arranged parallel bridges to the reinforcing steel bars, the two simply supported box girders are connected with first steel plates, reinforcing angle steel is connected between the first steel plates of the two simply supported box girders on two sides of each bridge pier, and part of transverse bridges pass through round holes in the reinforcing angle steel to the reinforcing steel bars to penetrate through the reinforcing angle steel.
As a further improvement of the above technical scheme:
rubber sheets are paved at the positions between the two first steel plates on the bridge pier and the two simply supported box girders, and the second steel plates are connected at the positions on the rubber sheets positioned in the gap on the simply supported box girders and the bridge pier.
And the bridge deck is positioned at the upper side positions of the two simply supported box girders and the bridge pier and is paved with steel fiber concrete.
And the steel fiber concrete is arranged above the gap position and is provided with a inducing seam.
And the induction joint is filled with sealing paste.
Asphalt concrete is paved on the steel fiber concrete.
The reinforcing angle steel is formed by welding two L-shaped angle steels which are opposite to each other, and the reinforcing angle steel is welded and connected to the first steel plate and the second steel plate.
The first steel plate is connected to the simply supported box girder in a pre-buried mode through anchor bars.
The second steel plate is respectively connected with the simply supported box girder and the pier through the pegs, and the pegs are welded with the second steel plate.
And two adjacent forward-bridge steel bars are arranged in a staggered manner.
Compared with the prior art, the utility model has the following beneficial technical effects:
1) The bridge-following steel bars and the transverse bridge-following steel bars are arranged on the bridge pier and the simply supported box girders on two sides, and part of the transverse bridge-following steel bars penetrate through the reinforced angle steel connected between the two simply supported box girders, so that the connection strength of gaps between the bridge pier and the simply supported box girders on two sides can be reinforced, and the connection reliability is improved;
2) Rubber sheets are paved at the positions between the two first steel plates on the bridge pier and the two simply supported box girders to serve as isolation layers, and the second steel plates are connected above the gaps, so that the casting quality of concrete with continuous joints can be ensured, the local influence of the girder corners on the continuous joints can be improved, and the durability is improved;
3) The bridge deck pavement layers on the bridge pier and the two simply supported box girders are made of steel fiber concrete, and the superior mechanical property of the steel fiber concrete is utilized to adapt to the complex stress state of the bridge deck continuous part, so that the durability is further improved;
4) The upper end of the steel fiber concrete is provided with a guide slit at the gap position, and the position where the crack is generated is dredged through section weakening, so that irregular cracks are prevented, the development of reflection cracks of the asphalt surface layer is improved, and the durability is further improved;
5) Filling sealing paste into the induction joint to realize sealing filling;
6) The reinforced angle steel is formed by welding two L-shaped angle steels which are opposite to each other, the reinforced angle steel is firmly supported, and the reinforced angle steel is welded and connected to the first steel plate and the second steel plate, so that the reinforced angle steel is reliably connected;
7) The first steel plate is connected with the simply supported box girder through the anchor steel bars, and the first steel plate is reliably connected with the simply supported box girder;
8) The second steel plate is connected with the simply supported box girder and the bridge pier through the bolts, and the bolts are welded and connected with the second steel plate, so that the connection reliability of the second steel plate and the simply supported box girder and the bridge pier is ensured;
9) The forward-bridge-direction steel bars are arranged in a staggered manner, so that cracks are prevented from being generated at the ends of the forward-bridge-direction steel bars due to abrupt change of the steel bars.
Drawings
Fig. 1 shows an elevation view of a deck continuous connection structure of a simply supported girder bridge of the present embodiment.
Fig. 2 shows a schematic diagram of the arrangement of transverse reinforcing bars and parallel reinforcing bars of the bridge deck continuous connection structure of the simply supported girder bridge of the present embodiment.
Fig. 3 shows a schematic connection diagram of a bridge deck continuous connection structure simply supported box girder and reinforcing angle steel of the simply supported girder bridge of the present embodiment.
Fig. 4 shows an enlarged view of the induced joint of the deck continuous connection structure of the simply supported girder bridge of the present embodiment.
Fig. 5 shows a side view of L-shaped angle steel of deck continuous connection structure of the simply supported girder bridge of the present embodiment.
Fig. 6 shows an elevation view of a deck continuous connection structure L-shaped angle steel of the simply supported girder bridge of the present embodiment.
Fig. 7 shows a top view of a second steel plate of the deck continuous connection structure of the simply supported girder bridge of the present embodiment.
The reference numerals in the drawings:
1. bridge piers; 2. a simply supported box girder; 3. a gap; 4. a first steel plate; 41. anchoring the steel bars; 5. reinforcing angle steel; 51. a round hole; 52. l-shaped angle steel; 6. transverse bridge direction reinforcing steel bars; 7. along the bridge direction; 8. a rubber sheet; 9. a second steel plate; 91. a peg; 10. and inducing the seam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following more detailed description of the device according to the present utility model is given with reference to the accompanying drawings and the detailed description. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model. For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as unduly limiting the utility model, but rather as falling within the scope of the utility model herein disclosed.
As shown in fig. 1 to 7, the bridge deck continuous connection structure of the simply supported girder bridge of this embodiment includes an inverted T-shaped bridge pier 1, two sides of the bridge pier 1 are provided with simply supported girder 2, and a gap 3 is formed between the two simply supported girder 2 and the bridge pier 1, a plurality of transverse-bridge-direction steel bars 6 arranged in a transverse direction and a plurality of parallel-bridge-direction steel bars 7 arranged in a parallel direction are laid on the bridge pier 1 and the two simply supported girder 2, the two simply supported girder 2 are connected with first steel plates 4, a reinforcing angle steel 5 is connected between the first steel plates 4 of the two simply supported girder 2 on two sides of the bridge pier 1, part of the transverse-bridge-direction steel bars 6 penetrate through round holes 51 on the reinforcing angle steel 5, the connecting strength of the gap 3 between the bridge pier 1 and the simply supported girder 2 on two sides is reinforced through the plurality of transverse-bridge-direction steel bars 6 and the plurality of parallel-direction steel bars 7, and the adjacent two parallel-bridge-direction steel bars 7 are staggered, so as to avoid cracks at ends of the parallel-direction steel bars 7 due to abrupt change of the steel bars.
The rubber sheet 8 is paved at the position between the two first steel plates 4 on the bridge pier 1 and the two simply supported box girders 2, and the second steel plates 9 are connected at the position on the rubber sheet 8 of the gap 3 on the simply supported box girders 2 and the bridge pier 1, so that the casting quality of concrete of continuous joints can be ensured, and the local influence of the corners of the simply supported box girders 2 on the continuous joints can be improved.
The bridge deck is laid with steel fiber concrete at the upper side positions of the two simply supported box girders 2 and the bridge pier 1, and the superior mechanical property of the steel fiber concrete is utilized to adapt to the complex stress state of the bridge deck continuous position.
The steel fiber concrete is arranged above the gap 3, the induced gaps 10 are formed, the positions where the gaps are generated are dredged through section weakening, irregular gaps are prevented, so that development of reflection gaps of the asphalt surface layer is improved, and sealing paste is filled in the induced gaps 10, so that sealing filling is realized.
Waterproof layers and asphalt concrete can be paved on the steel fiber concrete in sequence.
The reinforcing angle steel 5 is formed by welding two L-shaped angle steels 52 which are opposite to each other, and the reinforcing angle steel 5 is welded and connected to the first steel plate 4 and the second steel plate 9.
The first steel plate 4 is connected to the simply supported box girder 2 in a pre-buried mode through the anchor steel bars 41, the second steel plate 9 is connected with the simply supported box girder 2 and the bridge pier 1 through the bolts 91 respectively, the bolts 91 are welded and connected with the second steel plate 9, the first steel plate 4 and the second steel plate 9 are reliably connected, and the first steel plate 4 and the second steel plate 9 are galvanized steel plates.
When the bridge deck continuous connection structure of the simply supported girder bridge of the embodiment is installed, firstly, the simply supported girder 2 is pre-buried and installed with the anchor steel bars 41 and the first steel plates 4, the simply supported girder 2 is erected on the bridge pier 1 according to the preset position, then the rubber sheet 8 is paved at the position between the two first steel plates 4 on the bridge pier 1 and the two simply supported girder 2, then a plurality of second steel plates 9 are paved at the gap 3 between the simply supported girder 2 and the bridge pier 1, a plurality of second steel plates 9 are welded and sealed and connected, the second steel plates 9 are connected with the simply supported girder 2 and the bridge pier 1 through the bolts 91, the bolts 91 are welded and connected with the second steel plates 9, the bolts 91 are fixed, and then the two opposite L-shaped angle steels 52 are welded to form the reinforced angle steels 5 which are welded and fixed on the first steel plates 4 and the second steel plates 9, and then the round hole 51 of the reinforcing angle steel 5 is threaded with the transverse bridge direction reinforcing steel bar 6, the forward bridge direction reinforcing steel bar 7 is connected with the transverse bridge direction reinforcing steel bar 6, the forward bridge direction reinforcing steel bar 7 ends are staggered to avoid the end from generating cracks due to steel bar mutation, steel fiber concrete is paved on the bridge pier 1 and the two simply supported box girders 2, the induced joint 10 is arranged at the position of the steel fiber concrete layer at the upper end of the gap 3, then the position of the induced joint 10 where the crack is generated is dredged through section weakening, the occurrence of irregular cracks is prevented, the development of reflection cracks of an asphalt surface layer is improved, the two-component polyurethane sealant is filled in the induced joint 10 to carry out filling sealing of the induced joint 10, and finally, a waterproof layer and asphalt concrete are paved on the steel fiber concrete layer in sequence.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which shall fall within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. Bridge deck continuous connection structure of simply supported girder bridge, its characterized in that: including the pier, the pier both sides set up simply supported case roof beam, and two all there is the clearance between simply supported case roof beam and the pier, pier and two lay a plurality of horizontal bridges on the simply supported case roof beam to the horizontal bridge of arranging to the reinforcing bar and a plurality of along the bridge to the along the bridge of arranging to the reinforcing bar, two all connect first steel sheet on the simply supported case roof beam, connect the reinforcing angle steel between the first steel sheet of two simply supported case roof beams of pier both sides, part horizontal bridge passes through to the reinforcing angle steel is last for the round hole on the reinforcing angle steel.
2. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 1, wherein: rubber sheets are paved at the positions between the two first steel plates on the bridge pier and the two simply supported box girders, and the second steel plates are connected at the positions on the rubber sheets positioned in the gap on the simply supported box girders and the bridge pier.
3. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 1, wherein: and the bridge deck is positioned at the upper side positions of the two simply supported box girders and the bridge pier and is paved with steel fiber concrete.
4. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 3, wherein: and the steel fiber concrete is arranged above the gap position and is provided with a inducing seam.
5. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 4, wherein: and the induction joint is filled with sealing paste.
6. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 3, wherein: asphalt concrete is paved on the steel fiber concrete.
7. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 2, wherein: the reinforcing angle steel is formed by welding two L-shaped angle steels which are opposite to each other, and the reinforcing angle steel is welded and connected to the first steel plate and the second steel plate.
8. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 1, wherein: the first steel plate is connected to the simply supported box girder in a pre-buried mode through anchor bars.
9. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 2, wherein: the second steel plate is respectively connected with the simply supported box girder and the pier through the pegs, and the pegs are welded with the second steel plate.
10. A deck continuous connection structure of a simply supported girder bridge as claimed in claim 1, wherein: and two adjacent forward-bridge steel bars are arranged in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223205372.7U CN218989888U (en) | 2022-11-30 | 2022-11-30 | Bridge deck continuous connection structure of simply supported girder bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223205372.7U CN218989888U (en) | 2022-11-30 | 2022-11-30 | Bridge deck continuous connection structure of simply supported girder bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218989888U true CN218989888U (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223205372.7U Active CN218989888U (en) | 2022-11-30 | 2022-11-30 | Bridge deck continuous connection structure of simply supported girder bridge |
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| Country | Link |
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| CN (1) | CN218989888U (en) |
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- 2022-11-30 CN CN202223205372.7U patent/CN218989888U/en active Active
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