CN216194025U - Light-weight reinforced concrete bridge deck - Google Patents
Light-weight reinforced concrete bridge deck Download PDFInfo
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- CN216194025U CN216194025U CN202121928246.7U CN202121928246U CN216194025U CN 216194025 U CN216194025 U CN 216194025U CN 202121928246 U CN202121928246 U CN 202121928246U CN 216194025 U CN216194025 U CN 216194025U
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Abstract
A light-weight reinforced concrete bridge deck comprises composite steel plates, reinforcing steel bars and concrete, wherein the composite steel plates are formed by compounding a shear-resistant structure and a flat steel plate, one side of the shear-resistant structure, which faces the flat steel plate, is called a bottom, and the other side of the shear-resistant structure is called a top; the bottom of the shear resistant structure is fixedly connected with the flat steel plate, and the top of the shear resistant structure is fixedly connected with a steel bar; the steel bars comprise longitudinal steel bars and transverse steel bars, the longitudinal steel bars and the transverse steel bars are perpendicular to each other to form a grid structure, and concrete for coating the steel bars is poured on the composite steel plates. The utility model can avoid the studs, has simpler process flow and lower manufacturing cost, further improves the bending resistance, shearing resistance and deformation resistance of the bridge deck, can reduce 30-50% of the self weight of the bridge deck by the hollow structure after concrete pouring, and does not influence the overall mechanical property of the bridge deck.
Description
Technical Field
The utility model relates to the field of civil engineering construction, in particular to a light reinforced concrete bridge deck.
Background
The deck slab is an important component in the bridge, directly bears the load of the wheels, and transfers the load to the main beam structure. For a long time, the deck plates of bridges are mainly concrete slabs, and the appearance of steel bridges does not immediately change the situation. Steel bridges have also been dominated by concrete deck plates for a considerable period of time. The thickness and the dead weight of the concrete plate are large, and when the concrete plate is applied to a large-span steel bridge, the steel consumption is increased, and the advantages of the steel bridge are limited.
Disclosure of Invention
In order to overcome the problems, the utility model provides a light reinforced concrete bridge deck capable of meeting the weight reduction requirement of a bridge structure.
The technical scheme adopted by the utility model is as follows: a light-weight reinforced concrete bridge deck comprises composite steel plates, reinforcing steel bars and concrete, wherein the composite steel plates are formed by compounding a shear-resistant structure and a flat steel plate, one side of the shear-resistant structure, which faces the flat steel plate, is called a bottom, and the other side of the shear-resistant structure is called a top; the bottom of the shear resistant structure is fixedly connected with the flat steel plate, and the top of the shear resistant structure is fixedly connected with a steel bar; the steel bars comprise longitudinal steel bars and transverse steel bars, the longitudinal steel bars and the transverse steel bars are perpendicular to each other to form a grid structure, and concrete for coating the steel bars is poured on the composite steel plates.
Further, the structure of shearing includes a plurality of circular steel tubes that are parallel to each other, and the bottom and the flat steel sheet fixed connection of circular steel tube form clad steel plate, and the top of circular steel tube is connected along its length direction longitudinal reinforcement, the top fixed connection horizontal reinforcement of longitudinal reinforcement, horizontal reinforcement perpendicular to longitudinal reinforcement.
Further, the shear-resistant structure is a wave-shaped steel plate which is in a continuous wave shape in the transverse direction; the bottom of the wave trough of the corrugated steel plate is contacted with the upper surface of the flat steel plate, and the contact part of the corrugated steel plate and the flat steel plate is fixedly connected; the top of the wave crest of the corrugated steel plate is fixedly connected with the longitudinal steel bar along the longitudinal direction, the top of the longitudinal steel bar is fixedly connected with the transverse steel bar, and the transverse steel bar is perpendicular to the longitudinal steel bar.
Furthermore, a hollow structure is arranged between the wave crest of the wave-shaped steel plate and the flat steel plate.
Further, the cross section of the corrugated steel plate is a trapezoidal wave.
Further, the fixed connection mode is one or more of welding, bonding, bolt connection and rivet connection.
The utility model has the beneficial effects that:
(1) the composite steel plate, the connection of the reinforcing steel bars and the concrete pouring and curing can be completed in a factory, so that the quality of the bridge deck and the convenience of construction are guaranteed.
(2) The method comprises the steps of connecting a steel bar, a shear-resistant structure (a waveform steel plate or a round steel pipe) and a flat steel plate into a whole, and then integrally pouring concrete, so that sufficient shear-resistant capacity can be provided between the concrete and a bottom formwork by virtue of the shear-resistant structure (the waveform steel plate or the round steel pipe), studs can be omitted, the process flow is simpler, the manufacturing cost is lower, the bending resistance, the shear resistance and the deformation resistance of the bridge deck plate are further improved, the self weight of the bridge deck plate can be reduced by 30-50% by virtue of a hollow structure formed after the concrete is poured, and the overall mechanical performance of the bridge deck plate is not influenced.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Description of reference numerals: 1a, round steel tubes; 1b, corrugated steel plates; 2. a flat steel plate; 3. wave crest; 4. a trough of a wave; 5. longitudinal reinforcing steel bars; 6. transverse reinforcing steel bars; 7. and (3) concrete.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements 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" as appearing herein 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 should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to the attached figure 1, the light reinforced concrete bridge deck comprises composite steel plates, reinforcing steel bars and concrete, wherein the composite steel plates are formed by compounding a shearing resistant structure and a flat steel plate 2, one side of the shearing resistant structure, which faces the flat steel plate 2, is called a bottom, and the other side of the shearing resistant structure is called a top; the bottom of the shear structure is fixedly connected with the flat steel plate 2, the top of the shear structure is fixedly connected with a steel bar, and the steel bar comprises a longitudinal steel bar 5 and a transverse steel bar 6; shear structure includes a plurality of circular steel tubes 1a that are parallel to each other, and circular steel tube 1 a's bottom forms clad steel plate with 2 fixed connection of flat steel sheet, and circular steel tube 1 a's top is connected along its length direction longitudinal reinforcement 5, the top welding of longitudinal reinforcement 5 has horizontal reinforcing bar 6, and 6 perpendicular to longitudinal reinforcement 5 of horizontal reinforcing bar. Concrete 7 for coating the reinforcing steel bars is poured on the composite steel plate. The hollow structure formed inside the circular steel tube 1a after the concrete 7 is poured can reduce the dead weight of the bridge deck by 30-50%, and the overall mechanical performance of the bridge deck is not influenced.
Example two
Compared with the first embodiment, referring to fig. 2, the shear structure is a wave-shaped steel plate 1b, and the wave-shaped steel plate 1b is a continuous trapezoidal wave in the transverse direction; the bottom of the wave trough 4 of the wave-shaped steel plate 1b is contacted with the upper surface of the flat steel plate 2, and the contact part of the wave-shaped steel plate 1b and the flat steel plate 2 is welded; the top of the wave crest 3 of the corrugated steel plate 1b is longitudinally welded with the longitudinal steel bar 5, the top of the longitudinal steel bar 5 is welded with the transverse steel bar 6, and the transverse steel bar 6 is perpendicular to the longitudinal steel bar 5; the wave crest 3 of the wave-shaped steel plate 1b and the flat steel plate 2 are in a hollow structure. After the concrete 7 is poured, the hollow structure can reduce the dead weight of the bridge deck by 30-50%, and the overall mechanical performance of the bridge deck is not influenced.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the utility model should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the teachings herein.
Claims (6)
1. The utility model provides a light-duty reinforced concrete decking which characterized in that: the composite steel plate is formed by compounding a shear structure and a flat steel plate (2), wherein one side of the shear structure, which faces the flat steel plate (2), is called a bottom, and the other side of the shear structure is called a top; the bottom of the shear resistant structure is fixedly connected with the flat steel plate (2), and the top of the shear resistant structure is fixedly connected with a steel bar; the steel bars comprise longitudinal steel bars (5) and transverse steel bars (6), the longitudinal steel bars (5) and the transverse steel bars (6) are perpendicular to each other to form a grid structure, and concrete (7) for coating the steel bars is poured on the composite steel plates.
2. A light-weight reinforced concrete bridge deck as recited in claim 1, wherein: shear structure includes a plurality of circular steel tubes (1a) that are parallel to each other, and the bottom and the flat steel sheet (2) fixed connection of circular steel tube (1a) form clad steel plate, and the top of circular steel tube (1a) is connected along its length direction longitudinal reinforcement (5), top fixed connection transverse reinforcement (6) of longitudinal reinforcement (5), transverse reinforcement (6) perpendicular to longitudinal reinforcement (5).
3. A light-weight reinforced concrete bridge deck as recited in claim 1, wherein: the shear-resistant structure is a wave-shaped steel plate (1b), and the wave-shaped steel plate (1b) is in a continuous wave shape in the transverse direction; the bottom of the wave trough (4) of the corrugated steel plate (1b) is contacted with the upper surface of the flat steel plate (2), and the contact part of the corrugated steel plate (1b) and the flat steel plate (2) is fixedly connected; the top of wave form steel sheet (1b) crest (3) along vertical fixed connection longitudinal reinforcement (5), the top fixed connection transverse reinforcement (6) of longitudinal reinforcement (5), transverse reinforcement (6) perpendicular to longitudinal reinforcement (5).
4. A light-weight reinforced concrete bridge deck as recited in claim 3, wherein: and a hollow structure is arranged between the wave crest (3) of the corrugated steel plate (1b) and the flat steel plate (2).
5. A light-weight reinforced concrete bridge deck as recited in claim 3, wherein: the cross section of the corrugated steel plate (1b) is a trapezoidal wave.
6. A light-weight reinforced concrete bridge deck as recited in claim 1, wherein: the fixed connection mode is one or more of welding, bonding, bolt connection and rivet connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121928246.7U CN216194025U (en) | 2021-08-17 | 2021-08-17 | Light-weight reinforced concrete bridge deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121928246.7U CN216194025U (en) | 2021-08-17 | 2021-08-17 | Light-weight reinforced concrete bridge deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216194025U true CN216194025U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121928246.7U Active CN216194025U (en) | 2021-08-17 | 2021-08-17 | Light-weight reinforced concrete bridge deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216194025U (en) |
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2021
- 2021-08-17 CN CN202121928246.7U patent/CN216194025U/en active Active
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