CN214993002U - Combined capping beam and bridge with same - Google Patents
Combined capping beam and bridge with same Download PDFInfo
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- CN214993002U CN214993002U CN202120372109.3U CN202120372109U CN214993002U CN 214993002 U CN214993002 U CN 214993002U CN 202120372109 U CN202120372109 U CN 202120372109U CN 214993002 U CN214993002 U CN 214993002U
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Abstract
The utility model relates to a combination bent cap technical field, concretely relates to combination bent cap and have its bridge. A composite capping beam comprising: the top of the steel box girder is provided with a pouring opening, and concrete is poured in the inner cavity of the steel box girder; the shaping plates are arranged in the inner cavities of the steel box girders and are cambered plates, the length directions of the shaping plates are parallel to the length directions of the steel box girders, the concave surfaces of the shaping plates are arranged downwards, the peripheries of the shaping plates are abutted to the inner cavities of the steel box girders, and concrete is poured between the convex surfaces of the shaping plates and the steel box girders; the baffle is arranged in the inner cavity of the steel box girder and is perpendicular to the length direction of the steel box girder. The steel box girder and the concrete can effectively exert respective tensile and compression resistant functions, the overall volume of the bent cap can be reduced, the weight of the bent cap is reduced, and the hoisting of the steel box girder and the pouring of the concrete are more convenient. Through in directly pouring the steel box girder with the concrete, need not to build extra template when pouring the concrete for the bent cap construction is simpler.
Description
Technical Field
The utility model relates to a combination bent cap technical field, concretely relates to combination bent cap and have its bridge.
Background
The capping beam refers to a cross beam provided on the top of the bent pier to support, distribute and transfer the load of the superstructure. Also known as a hat beam. And arranging a beam made of reinforced concrete or less reinforced concrete on the pier or the row piles. The main function is to support the bridge superstructure and transfer all loads to the substructure.
The combined bent cap structure in the prior art comprises a hollow box-type body poured by ultrahigh-performance concrete, a steel plate is pre-embedded in the top surface of the hollow box-type body, and a plurality of shear connectors embedded in the hollow box-type body are arranged on the lower surface of the steel plate. However, the combined box type bent cap has large dead weight, and is not easy to construct in both prefabrication molding and cast-in-place molding, so that the service cycle is long, and the construction difficulty is high.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the great defect of the combination bent cap construction degree of difficulty among the prior art to a combination bent cap and have its bridge are provided.
In order to solve the technical problem, the utility model provides a combination bent cap, include:
the top of the steel box girder is provided with a pouring opening, and concrete is poured in the inner cavity of the steel box girder;
the shaping plates are arranged in the inner cavities of the steel box girders and are cambered plates, the length directions of the shaping plates are parallel to the length directions of the steel box girders, the concave surfaces of the shaping plates are arranged downwards, the peripheries of the shaping plates are abutted to the inner cavities of the steel box girders, and concrete is poured between the convex surfaces of the shaping plates and the steel box girders;
the baffle is arranged in the inner cavity of the steel box girder and is perpendicular to the length direction of the steel box girder.
Optionally, the baffle is equipped with a plurality ofly, and a plurality of baffles are all parallel arrangement, and along the length direction interval distribution of steel box girder.
Optionally, the pouring openings are provided in plurality, and the pouring openings are respectively provided between adjacent partition plates.
Optionally, the inner wall of the steel box girder and the shaping plate are both connected with shear bolts.
Optionally, an overhanging bracket is connected to at least one side of the steel box girder.
The utility model also provides a bridge has the utility model provides a combination bent cap.
Optionally, at least one side of the steel box girder is connected with a supporting steel girder, and a concrete layer is arranged on the supporting steel girder.
Optionally, a supporting steel plate is installed between the supporting steel beam and the concrete layer, and a plurality of reinforcing bolts are connected to the supporting steel plate.
Optionally, the concrete layer is a precast concrete panel.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a combination bent cap, include: the top of the steel box girder is provided with a pouring opening, and concrete is poured in the inner cavity of the steel box girder; the shaping plates are arranged in the inner cavities of the steel box girders and are cambered plates, the length directions of the shaping plates are parallel to the length directions of the steel box girders, the concave surfaces of the shaping plates are arranged downwards, the peripheries of the shaping plates are abutted to the inner cavities of the steel box girders, and concrete is poured between the convex surfaces of the shaping plates and the steel box girders; the baffle is arranged in the inner cavity of the steel box girder and is perpendicular to the length direction of the steel box girder.
When carrying out combination bent cap construction, will have the steel box girder hoist and mount of stereotype board to treating the mounted position, pour the concrete in to the steel box girder through the mouth of pouring of locating the steel box girder top for the concrete layer that solidifies the shaping in the steel box girder is along steel box girder length direction, and both ends are thicker, and the centre is watered thinly, and makes concrete layer concentrate on the top position of steel box girder. The arrangement of the partition plate can increase the shearing resistance of the steel box girder. When the bridge is used, the two ends of the bottom of the steel box girder are pressed and the middle of the bottom of the steel box girder is pulled along the length direction of the steel box girder. Through the concrete shaping with in the steel box girder for the concrete pressurized of both sides, middle steel box girder is drawn, can make steel box girder and concrete effectively exert the function of respective tensile and resistance to compression, reduces the whole volume of bent cap simultaneously, alleviates the weight of bent cap, makes the hoist and mount of steel box girder and pouring of concrete more convenient. Through in directly pouring the steel box girder with the concrete, need not to build extra template when pouring the concrete for the bent cap construction is simpler.
2. The utility model provides a combination bent cap, baffle are equipped with a plurality ofly, the equal parallel arrangement of a plurality of baffles, and follow the length direction interval distribution of steel case roof beam. Through set up polylith baffle at the steel box girder internal interval, increase steel box girder's ability of shearing for can guarantee to provide great structure bearing capacity when steel box girder volume is less.
3. The utility model provides a combination bent cap all is connected with the bolt that shears on steel box girder inner wall and the stereotype board. Through setting up the shear bolt to strengthen the stability of being connected between concrete and the steel box girder inner wall, the joint strength between increase concrete and the steel box girder increases the inside shear resistance of steel box girder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an internal structural schematic diagram of a steel box girder provided in an embodiment of the present invention.
Fig. 2 is a schematic structural view of concrete poured inside the steel box girder provided in the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the steel box girder and the supporting steel girder provided in the embodiment of the present invention.
Fig. 4 is a schematic structural view of the connection between the supporting steel plate and the supporting steel beam provided in the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a bridge according to an embodiment of the present invention.
Description of reference numerals: 1. a steel box girder; 2. shaping plates; 3. pouring a mouth; 4. a partition plate; 5. a shear bolt; 6. extending out of the bracket; 7. supporting the steel beam; 8. a reinforcing plug; 9. and (4) prefabricating a concrete slab.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
Fig. 1 to 5 show that in the present embodiment, a combined bent cap is provided, which includes: the steel box girder comprises a steel box girder 1, a shaping plate 2 and concrete poured in the steel box girder 1.
As shown in fig. 1 and 2, a pouring opening 3 is formed in the top of the steel box girder 1, and concrete is poured into an inner cavity of the steel box girder 1. The template 2 is installed in 1 intracavity of steel box girder, and the template 2 is the bow-shaped board, and the length direction of template 2 is parallel with the length direction of steel box girder 1, and the concave surface of template 2 sets up down, and template 2 all around all with 1 inner chamber butt of steel box girder, concrete placement between the convex surface of template 2 and steel box girder 1.
The inner cavity of the steel box girder 1 is internally connected with a plurality of clapboards 4. The partition plates 4 are arranged perpendicular to the length direction of the steel box girder 1. A plurality of baffles 4 are all arranged in parallel and distributed at intervals along the length direction of the steel box girder 1. Four sides of the partition plate 4 are connected with the inner wall of the steel box girder 1 so as to divide the inner cavity of the steel box girder 1 into a plurality of chambers. The shaping plate 2 is arranged on two sides of a partition plate 4 at the middle position in the steel box girder 1, and the shaping plate 2 is symmetrically arranged on the partition plate 4 at the middle position in the steel box girder 1. Through set up a plurality of baffles 4 in the inner chamber of steel box girder 1, increase steel box girder 1's ability of shearing, guarantee that steel box girder 1 can provide great bearing capacity when reducing 1 volumes of steel box girder. At the top of steel box girder 1, pour mouthful 3 and be equipped with a plurality ofly, a plurality of mouthful 3 of pouring are located respectively between adjacent baffle 4. The inner wall of the steel box girder 1 and the shaping plate 2 are both connected with a shear bolt 5. As shown in fig. 3, in order to facilitate external connection of other steel structures or concrete structures to the steel box girder 1, a plurality of outriggers 6 for connecting external steel girders are connected to one side of the steel box girder 1, and the outriggers 6 extend in a horizontal direction.
When the combined capping beam is constructed, the steel box beam 1, the shaping plate 2, the partition plate 4 and the shear bolt 5 inside the steel box beam 1 are prefabricated and molded in a factory. The steel box girder 1 with the setting plate 2 is hoisted to a position to be installed, concrete is poured into the steel box girder 1 through a pouring port 3 arranged at the top of the steel box girder 1, so that the concrete layer solidified and formed in the steel box girder 1 is thick at two ends and thin in the middle along the length direction of the steel box girder 1, and the concrete layer is concentrated at the top position of the steel box girder 1. In the using process of the bridge, the two ends of the bottom of the steel box girder 1 are pressed and the middle of the steel box girder 1 is pulled along the length direction of the steel box girder 1. Through the concrete shaping with in the steel box girder 1 for the concrete pressurized of both sides, middle steel box girder 1 is drawn, can make steel box girder 1 and concrete effectively exert the function of respective tensile and resistance to compression, reduces the whole volume of bent cap simultaneously, alleviates the weight of bent cap, makes the hoist and mount of steel box girder 1, the transportation and the pouring of concrete more convenient. Through in directly pouring the steel box girder 1 with the concrete, need not to build extra template when pouring the concrete, tie point between the steel construction is less when the bent cap site operation, and it is more convenient to connect for the bent cap construction is simpler.
Example 2
Fig. 3 to 5 show a bridge provided by this embodiment, which has the combined capping beam described in embodiment 1.
One side of the steel box girder 1 on the combined bent cap is connected with a supporting steel girder 7, the supporting steel girder 7 is I-shaped steel, the supporting steel girder 7 is connected with the outwards extending bracket 6 through a connecting steel plate, and a concrete layer is arranged on the supporting steel girder 7. Install supporting steel plate between supporting steel roof beam 7 and the concrete layer, welded connection has a plurality of reinforcing bolt 8 on the supporting steel plate. The concrete layer may be a precast concrete slab 9 or a cast-in-place concrete layer. In order to accelerate the on-site construction progress and shorten the on-site construction period, the precast concrete slab 9 is selected as the concrete layer in the embodiment. In order to increase the support strength of the capping beam to the deck, a plurality of combined capping beams as described in example 1 were connected to one end of the bridge.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A composite capping beam, comprising:
the steel box girder comprises a steel box girder (1), wherein a pouring opening (3) is formed in the top of the steel box girder (1), and concrete is poured in an inner cavity of the steel box girder (1);
the shaping plate (2) is installed in the inner cavity of the steel box girder (1), the shaping plate (2) is an arched plate, the length direction of the shaping plate (2) is parallel to the length direction of the steel box girder (1), the concave surface of the shaping plate (2) is arranged downwards, the periphery of the shaping plate (2) is abutted to the inner cavity of the steel box girder (1), and the concrete is poured between the convex surface of the shaping plate (2) and the steel box girder (1);
the partition plate (4) is arranged in the inner cavity of the steel box girder (1), and the partition plate (4) is perpendicular to the length direction of the steel box girder (1).
2. The composite capping beam as claimed in claim 1, wherein the partition plates (4) are provided in plurality, and the plurality of partition plates (4) are all arranged in parallel and are distributed at intervals along the length direction of the steel box beam (1).
3. The composite bent cap according to claim 1, characterized in that a plurality of pouring openings (3) are provided, and a plurality of pouring openings (3) are respectively provided between adjacent partition plates (4).
4. A composite capping beam according to any one of claims 1 to 3, wherein shear bolts (5) are connected to the inner wall of the steel box girder (1) and the sizing plate (2).
5. A composite capping beam according to any one of claims 1 to 3, characterised in that an overhanging corbel (6) is attached to at least one side of the steel box girder (1).
6. A bridge, characterized by a composite capping beam according to any one of claims 1 to 5.
7. The bridge according to claim 6, characterized in that at least one side of the steel box girder (1) is connected with a supporting steel girder (7), and a concrete layer is arranged on the supporting steel girder (7).
8. A bridge according to claim 7, characterized in that a supporting steel plate is mounted between the supporting steel beam (7) and the concrete layer, and a plurality of reinforcing studs (8) are connected to the supporting steel plate.
9. Bridge according to claim 7 or 8, characterized in that the concrete layer is a precast concrete slab (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120372109.3U CN214993002U (en) | 2021-02-08 | 2021-02-08 | Combined capping beam and bridge with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120372109.3U CN214993002U (en) | 2021-02-08 | 2021-02-08 | Combined capping beam and bridge with same |
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| Publication Number | Publication Date |
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| CN214993002U true CN214993002U (en) | 2021-12-03 |
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| CN202120372109.3U Active CN214993002U (en) | 2021-02-08 | 2021-02-08 | Combined capping beam and bridge with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746554A (en) * | 2021-02-08 | 2021-05-04 | 清华大学 | Combined capping beam and bridge with same |
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2021
- 2021-02-08 CN CN202120372109.3U patent/CN214993002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746554A (en) * | 2021-02-08 | 2021-05-04 | 清华大学 | Combined capping beam and bridge with same |
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