Reinforced concrete rib structure, corrugated steel plate and arch culvert

Abstract

The utility model provides a reinforced concrete rib structure, a corrugated steel plate and an arch culvert, and belongs to the technical field of corrugated steel, the reinforced concrete rib structure comprises two connecting pieces, two side plates, an outer formwork, a supporting plate, a shearing force piece, a reinforcing steel bar piece and concrete, the connecting pieces are fixedly connected to the corrugated steel plate in a welded mode, and the lower ends of the side plates are fixedly connected with the connecting pieces; two ends of the outer template are fixedly connected with the upper ends of the two side plates; a pouring space is defined by the outer formwork, the side plates and the outer side faces of the corrugated steel plates. The two ends of the supporting plates are fixedly connected with the inner walls of the troughs in a welded mode, the lower ends of the shearing force pieces are fixedly connected to the supporting plates, and the rebar pieces are installed in the pouring space and arranged in the circumferential direction of the corrugated steel plates; the concrete is poured in the pouring space; and the concrete is integrally connected with the reinforcing steel bar pieces and the shear pieces. According to the reinforced concrete rib structure, bolt holes do not need to be formed in the corrugated steel plate, the corrugated steel plate is not prone to deformation in the pouring process, and the bearing capacity of the arch culvert cannot be affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated steel, and more specifically relates to a steel-concrete rib structure, a corrugated steel plate and an arch culvert. Background Art

[0002] Corrugated steel plate is a new type of building material. For some projects with large spans or high rigidity requirements, most corrugated steel products adopt a structure with added steel-concrete ribs. This structure can reduce the deformation of corrugated steel and increase the structural strength to meet the use requirements of various building structures. However, the existing steel-concrete composite ribs are connected to the corrugated steel body by bolts, which greatly increases the number of bolt holes on the corrugated steel body. The increase in bolt holes will affect the bearing capacity of the arch culvert to a certain extent, and the steel-concrete ribs are also prone to deformation during the pouring process, affecting their structural performance. Utility Model Content

[0003] The utility model aims to provide a steel-concrete rib structure, a corrugated steel plate and an arch culvert, so as to solve the technical problems in the prior art that a large number of bolt holes affect the bearing capacity of the arch culvert and the corrugated steel plate is easily deformed during the casting process.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a steel-concrete rib structure, including:

[0005] There are two connecting pieces, which are welded and fixedly connected to the corrugated steel plate; the two connecting pieces are respectively installed on the two crests;

[0006] There are two side panels, which are respectively connected to the two connecting pieces; the lower ends of the side panels are fixedly connected to the connecting pieces;

[0007] The outer formwork is used to be installed on the outer side of the corrugated steel plate, and the two ends are respectively fixedly connected to the upper ends of the two side plates; the outer formwork and the outer side surfaces of the side plates and the corrugated steel plate enclose a casting space;

[0008] The support plate is used to be installed in the trough of the corrugated steel plate, and the two ends are welded and fixedly connected to the inner wall of the trough;

[0009] A shear member is installed in the casting space, with a lower end fixedly connected to the support plate and an upper end extending upward in the casting space;

[0010] A reinforcement member is installed in the casting space, and the reinforcement member is arranged along the circumference of the corrugated steel plate;

[0011] Concrete is poured in the pouring space; the concrete is connected with the steel bar and the shear member as a whole.

[0012] In a possible implementation, the connecting member includes a transverse plate welded to the corrugated steel plate and a vertical plate fixedly mounted on the transverse plate, the vertical plate is provided with a mounting hole, a connecting hole coaxially aligned with the mounting hole is opened at the lower end of the side plate, the side plate and the connecting member are connected by bolts passing through the mounting hole and the connecting hole and fixed by nuts; the upper end of the side plate is provided with a mounting plate parallel to the axial direction of the corrugated steel plate, and the two ends of the outer template are respectively fixedly mounted on the two mounting plates.

[0013] In a possible implementation, a plurality of reinforcing plates arranged along the circumference of the corrugated steel plate are provided on the side surface of the side plate.

[0014] In a possible implementation, the connecting member and the side plate are both angle steels, and the connecting member and the side plate are arranged in opposite directions.

[0015] In a possible implementation, a plurality of reinforcing rods arranged along the circumference of the corrugated steel plate are fixedly provided on a side of the outer template away from the corrugated steel plate.

[0016] In a possible implementation, the outer template is a corrugated plate or an embossed steel plate.

[0017] In a possible implementation, a mounting hole is provided on the support plate, a threaded section is provided on the shear member, and the shear member passes through the mounting hole and is locked and fixed using a nut.

[0018] In a possible implementation, the steel bar includes a plurality of straight steel bars and a plurality of arcuate steel bars, wherein the plurality of straight steel bars are arranged at intervals along the circumferential direction of the corrugated steel plate, and the length direction of the straight steel bars is parallel to the axial direction of the corrugated steel plate; the arcuate steel bars are bent along the circumferential direction of the corrugated steel plate, and the plurality of arcuate steel bars are arranged at intervals along the axial direction of the corrugated steel plate; and the straight steel bars are perpendicular to the arcuate steel bars.

[0019] The beneficial effect of the steel-concrete rib structure provided by the utility model is that compared with the prior art, the steel-concrete rib structure of the utility model, when installed, the connecting piece is welded and fixed on the crest of the outer side of the corrugated steel plate, and the support plate is welded and fixed in the trough between the two crests of the corrugated steel plate; then the side plates are respectively installed on the two connecting pieces, and the side plates extend in the direction away from the corrugated steel plate, and then the two ends of the outer template are fixedly connected to the outer ends of the two side plates, so that the casting space is surrounded by the outer template and the side plates; wherein the shear member is installed in the casting space and the shear member is fixedly connected to the support plate, and after the steel bar member is installed in the casting space, concrete is poured into the casting space; in this way, with the help of the connecting piece welded and fixed on the corrugated steel plate and the support plate welded in the trough, the installation of the side plate, the outer template, and the shear member does not need to open bolt holes on the corrugated steel plate, thereby improving the strength of the corrugated steel plate, so that the corrugated steel plate is not easy to deform during the casting process, and the bearing capacity of the arch culvert will not be affected.

[0020] Another object of the present invention is to provide a corrugated steel plate comprising any one of the above-mentioned steel-concrete rib structures.

[0021] The corrugated steel plate provided by the utility model adopts a steel-concrete rib structure, so there is no need to open bolt holes on the corrugated steel plate, so that the corrugated steel plate does not deform during the casting process, and the bearing performance of the corrugated steel plate is also improved by means of the steel-concrete rib structure.

[0022] Another object of the utility model is to provide an arch culvert, comprising any one of the above-mentioned corrugated steel plates.

[0023] The arch culvert provided by the utility model adopts the corrugated steel plate, so that the arch culvert can be guaranteed to have a strong bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 A schematic diagram of the structure of an arch culvert provided in an embodiment of the utility model;

[0026] Figure 2 Schematic diagram of the connection between the steel-concrete rib structure and the corrugated steel plate provided in the embodiment of the utility model Figure 1 ;

[0027] Figure 3 Schematic diagram of the connection between the steel-concrete rib structure and the corrugated steel plate provided in the embodiment of the utility model Figure 2 .

[0028] Among them, the reference numerals in the figure are:

[0029] 1. Connectors; 11. Horizontal plates; 12. Vertical plates; 13. Bolts; 14. Nuts; 2. Side plates; 21. Mounting plates; 22. Reinforcement plates; 3. External formwork; 31. Casting space; 32. Reinforcement rods; 4. Support plates; 5. Shear members; 6. Steel bars; 61. Straight steel bars; 62. Curved steel bars; 7. Concrete; 8. Corrugated steel plates. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0032] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] See also Figures 1 to 3The steel-concrete rib structure provided by the utility model is now described. A steel-concrete rib structure includes a connecting member 1, a side plate 2, an outer formwork 3, a support plate 4, a shear member 5, a reinforcement member 6 and concrete 7. The number of connecting members 1 is two, which are welded and fixedly connected to the corrugated steel plate 8; the two connecting members 1 are respectively installed on two wave crests; the number of side plates 2 is two, which are respectively connected to the two connecting members 1; the lower end of the side plate 2 is provided with a fixed connection with the connecting member 1; the outer formwork 3 is used to be installed on the outer side of the corrugated steel plate 8, and the two ends are respectively fixedly connected to the two side plates 2; the outer formwork 3 and The outer side surfaces of the side plates 2 and the corrugated steel plates 8 form a casting space 31; the support plate 4 is used to be installed in the trough of the corrugated steel plate 8, and its two ends are welded and fixedly connected to the inner wall of the trough; the shear member 5 is installed in the casting space 31, and its lower end is fixedly connected to the support plate 4, and its upper end extends upward in the casting space 31; the steel bar 6 is installed in the casting space 31, and the steel bar 6 is arranged circumferentially along the corrugated steel plate 8; concrete 7 is cast in the casting space 31; the concrete 7 is connected to the steel bar 6 and the shear member 5 as a whole.

[0035] Compared with the prior art, the steel-concrete rib structure provided by the utility model is that during installation, the connecting member 1 is welded and fixed on the crest of the outer side of the corrugated steel plate 8, and the supporting plate 4 is welded and fixed in the trough between the two crests of the corrugated steel plate 8; then the side plates 2 are respectively installed on the two connecting members 1, and the side plates 2 extend in the direction away from the corrugated steel plate 8, and then the two ends of the outer template 3 are fixedly connected to the outer ends of the two side plates 2, so that the casting space 31 is surrounded by the outer template 3 and the side plates 2; wherein the shear member 5 is installed in the casting space 31 The shear member 5 is fixedly connected to the support plate 4, and after the reinforcement member 6 is installed in the casting space 31, concrete 7 is poured into the casting space 31; in this way, with the help of the connecting member 1 welded and fixed on the corrugated steel plate 8 and the support plate 4 welded in the trough, the installation of the side plate 2, the outer formwork 3, and the shear member 5 does not need to open the bolt 13 holes on the corrugated steel plate 8, thereby improving the strength of the corrugated steel plate 8. Therefore, the corrugated steel plate 8 is not easy to deform during the casting process, and it will not affect the bearing capacity of the arch culvert.

[0036] See also Figure 2 and Figure 3As a specific embodiment of the steel-concrete rib structure provided by the utility model, the connecting member 1 includes a transverse plate 11 welded and fixed on the corrugated steel plate 8 and a vertical plate 12 fixedly installed on the transverse plate 11, the vertical plate 12 is provided with a mounting hole, and the lower end of the side plate 2 is provided with a connecting hole coaxially aligned with the mounting hole, the side plate 2 and the connecting member 1 are connected by bolts 13 passing through the mounting hole and the connecting hole, and the nuts 14 are locked and fixed; the upper end of the side plate 2 is provided with a mounting plate 21 parallel to the axial direction of the corrugated steel plate 8, and the two ends of the outer template 3 are respectively fixedly installed on the two mounting plates 21; the connecting member 1 includes a transverse plate 11 and a vertical plate 12 arranged in an L shape, the transverse plate 11 is welded and fixed on the crest of the corrugated steel plate 8 in advance, and the vertical plate 12 extends upward, when the side plate 2 is installed, the lower end of the side plate 2 is butt-jointed and installed on the vertical plate 12, and the connecting hole on the side plate 2 is coaxially aligned with the mounting hole on the vertical plate 12, and then the side plate 2 and the vertical plate 12 are fixedly connected using fasteners. The fasteners include bolts 13 and nuts 14, so that the side panels 2 and the vertical panels 12 are securely mounted together. When installing two outer templates 3, the two outer templates 3 are butt-mounted on two mounting plates 21, so that the outer templates 3 are more stably and securely installed.

[0037] See also Figure 2 and Figure 3 As a specific implementation of the steel-concrete rib structure provided by the utility model, a plurality of reinforcing plates 22 arranged circumferentially along the corrugated steel plate 8 are provided on the side surface of the side panel 2; the reinforcing plates 22 are fixedly installed on the outer side surface or the inner side surface of the side panel 2 to increase the strength of the side panel 2, so that when pouring concrete 7 into the pouring space 31, the side panel 2 can be effectively prevented from deformation.

[0038] See also Figure 2 and Figure 3 As a specific implementation of the steel-concrete rib structure provided by the utility model, the connector 1 and the side plate 2 are both angle steels, and the arrangement directions of the connector 1 and the side plate 2 are opposite; that is, the angle steel in the steel section is used as the connector 1 and the side plate 2, so that the cross-sectional performance of the connector 1 and the side plate 2 is excellent and the strength is high; it can not only ensure the stable and reliable use of the entire steel-concrete rib structure, but also prevent deformation caused by pouring concrete 7. When the angle steel as the connector 1 is welded and fixed on the corrugated steel plate 8, a flat surface is butted against the corrugated steel plate 8, and a flat surface on the side plate 2 is used to butt against the outer formwork 3, so that the outer formwork 3 is fixed and installed more firmly.

[0039] See also Figure 2 and Figure 3As a specific embodiment of the steel-concrete rib structure provided by the utility model, a plurality of reinforcing rods 32 arranged along the circumference of the corrugated steel plate 8 are fixedly provided on the side of the outer formwork 3 away from the corrugated steel plate 8; a plurality of reinforcing rods 32 are fixedly provided on the outer formwork 3, thereby improving the bearing capacity and strength of the outer formwork 3 and preventing the outer formwork 3 from being deformed during the pouring of concrete 7 into the pouring space 31. The reinforcing rods 32 are angle steels, and the length direction of the angle steels is parallel to the axial direction of the corrugated pipe.

[0040] See also Figure 2 and Figure 3 As a specific embodiment of the steel-concrete rib structure provided by the utility model, the outer template 3 is a corrugated plate or an embossed steel plate; using a corrugated plate as the outer template 3 can improve the bearing performance and strength of the outer template 3, thereby improving the stability of the entire steel-concrete rib structure. When the embossed steel plate is used as the outer template 3, the steel-concrete rib structure is wear-resistant and corrosion-resistant, and has a beautiful appearance, and the ability to resist compression is also improved.

[0041] See also Figure 2 and Figure 3 As a specific embodiment of the steel-concrete rib structure provided by the utility model, a mounting hole is provided on the support plate 4, a threaded section is provided on the shear member 5, and the shear member 5 passes through the mounting hole and is locked and fixed using a nut 14; when the shear member 5 is installed in the casting space 31, the lower end of the shear member 5 is passed through the mounting hole and is screwed and fixed using a nut 14 threadedly connected to the threaded section. In this way, there is no need to open a bolt 13 hole on the corrugated steel plate 8. The nut 14 can be prefabricated at the lower end of the support plate 4, and the nut 14 is coaxially aligned with the mounting hole, so that the shear member 5 is directly screwed and fixed on the support plate 4. The shear member 5 can be fixed to the support plate 4 by welding using anchor bolts 13 and nuts 14.

[0042] See also Figure 2 and Figure 3As a specific implementation of the steel-concrete rib structure provided by the utility model, the reinforcement member 6 includes a plurality of straight reinforcement bars 61 and a plurality of arcuate reinforcement bars 62. The plurality of straight reinforcement bars 61 are arranged at intervals along the circumferential direction of the corrugated steel plate 8, and the length direction of the straight reinforcement bars 61 is parallel to the axial direction of the corrugated steel plate 8; the arcuate reinforcement bars 62 are bent along the circumferential direction of the corrugated steel plate 8, and the plurality of arcuate reinforcement bars 62 are arranged at intervals along the axial direction of the corrugated steel plate 8; the straight reinforcement bars 61 are perpendicular to the arcuate reinforcement bars 62. Therefore, the steel bar member 6 enables the entire steel-concrete rib structure to have a reinforcement effect in the axial and circumferential directions, and multiple straight steel bars 61 are arranged circumferentially along the corrugated steel plate 8, and each arc-shaped steel bar 62 is arranged circumferentially along the corrugated steel plate 8, and multiple arc-shaped steel bars 62 are arranged axially at intervals along the corrugated steel plate 8. The multiple straight steel bars 61 and the multiple arc-shaped steel bars 62 in the steel bar member 6 are a whole. With the help of the multiple straight steel bars 61 and the multiple arc-shaped steel bars 62, the tensile strength of the entire steel rib structure can withstand greater pressure and weight, thereby improving the safety of the corrugated steel plate 8.

[0043] See also Figure 1 The embodiment of the utility model further provides a corrugated steel plate 8, and the corrugated steel plate 8 includes any one of the above-mentioned steel-concrete rib structures.

[0044] The corrugated steel plate 8 provided by the utility model adopts the above-mentioned steel-concrete rib structure. Therefore, there is no need to open bolt holes 13 on the corrugated steel plate 8, so that the corrugated steel plate 8 will not deform during the casting process. The bearing performance of the corrugated steel plate 8 is also improved with the help of the steel-concrete rib structure.

[0045] Not shown in the figures, an embodiment of the utility model further provides an arch culvert, which includes any one of the above-mentioned elastic corrugated steel plates 8.

[0046] The arch culvert provided by the utility model adopts the above-mentioned corrugated steel plate 8, so it can be ensured that the arch culvert has a strong bearing capacity.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel-concrete rib structure, characterized in that: include: There are two connecting pieces, which are welded and fixedly connected to the corrugated steel plate; the two connecting pieces are respectively installed on the two crests; There are two side panels, which are respectively connected to the two connecting pieces; the lower ends of the side panels are fixedly connected to the connecting pieces; The outer formwork is used to be installed on the outer side of the corrugated steel plate, and the two ends are respectively fixedly connected to the upper ends of the two side plates; the outer formwork and the outer side surfaces of the side plates and the corrugated steel plate enclose a casting space; The support plate is used to be installed in the trough of the corrugated steel plate, and the two ends are welded and fixedly connected to the inner wall of the trough; A shear member is installed in the casting space, with a lower end fixedly connected to the support plate and an upper end extending upward in the casting space; A reinforcement member is installed in the casting space, and the reinforcement member is arranged along the circumference of the corrugated steel plate; Concrete is poured in the pouring space; the concrete is connected with the steel bar and the shear member as a whole.

2. The steel-concrete rib structure according to claim 1, characterized in that: The connecting member includes a transverse plate welded and fixed on the corrugated steel plate and a vertical plate fixedly installed on the transverse plate, the vertical plate is provided with a mounting hole, the lower end of the side plate is provided with a connecting hole coaxially aligned with the mounting hole, the side plate and the connecting member are connected by bolts passing through the mounting hole and the connecting hole and fixed by nuts; the upper end of the side plate is provided with a mounting plate parallel to the axial direction of the corrugated steel plate, and the two ends of the outer template are respectively fixedly installed on the two mounting plates.

3. The steel-concrete rib structure according to claim 2, characterized in that: A plurality of reinforcing plates arranged along the circumference of the corrugated steel plate are provided on the side surface of the side plate.

4. The steel-concrete rib structure according to claim 2, characterized in that: The connecting piece and the side plate are both angle steels, and the connecting piece and the side plate are arranged in opposite directions.

5. The steel-concrete rib structure according to claim 1, characterized in that: A plurality of reinforcing rods arranged along the circumference of the corrugated steel plate are fixedly provided on the side of the outer template away from the corrugated steel plate.

6. The steel-concrete rib structure according to claim 1, characterized in that: The outer template is a corrugated plate or an embossed steel plate.

7. The steel-concrete rib structure according to claim 1, characterized in that: The support plate is provided with a mounting hole, the shear member is provided with a threaded section, and the shear member passes through the mounting hole and is locked and fixed using a nut.

8. The steel-concrete rib structure according to claim 1, characterized in that: The steel bar members include a plurality of straight steel bars and a plurality of arcuate steel bars, wherein the plurality of straight steel bars are arranged at intervals along the circumferential direction of the corrugated steel plate, and the length direction of the straight steel bars is parallel to the axial direction of the corrugated steel plate; the arcuate steel bars are bent along the circumferential direction of the corrugated steel plate, and the plurality of arcuate steel bars are arranged at intervals along the axial direction of the corrugated steel plate; the straight steel bars are perpendicular to the arcuate steel bars.

9. A corrugated steel plate, characterized in that: It comprises the steel-concrete rib structure as described in any one of claims 1 to 8.

10. An arch culvert, characterized in that: Comprising the corrugated steel plate as claimed in claim 9.

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