CN218643163U - Steel-concrete joint section connecting structure adopting injection type and anchor pull plate type steel truss combined bridge - Google Patents
Steel-concrete joint section connecting structure adopting injection type and anchor pull plate type steel truss combined bridge Download PDFInfo
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- CN218643163U CN218643163U CN202222927652.2U CN202222927652U CN218643163U CN 218643163 U CN218643163 U CN 218643163U CN 202222927652 U CN202222927652 U CN 202222927652U CN 218643163 U CN218643163 U CN 218643163U
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Abstract
The utility model discloses an injection and anchor pull plate type steel truss combined bridge steel-concrete combined section connecting structure, which comprises an injection steel-concrete combined section connecting structure and an anchor pull plate type steel-concrete combined section connecting structure which are connected into a whole through cast-in-place concrete, wherein the injection steel-concrete combined section connecting structure and the anchor pull plate type steel-concrete combined section connecting structure both comprise a steel structure, a steel-concrete combined section and concrete; the steel-concrete joint section of the injection type steel-concrete joint section connecting structure comprises a stiffening plate, a bearing plate, a shear nail and a steel plate; the steel-concrete combined section of the anchor plate type steel-concrete combined section connecting structure comprises a stiffening plate, a bearing plate, a pre-stressed anchor rod, a reinforcing mesh, a shear nail and an anchorage device. Compared with the prior art, the utility model the advantage lie in: the steel-concrete combination of the injection type steel truss combined bridge and the anchor pull plate type steel truss combined bridge is adopted, so that stress transmission of a steel-concrete combination section of the steel truss combined bridge under the action of alternating loads such as pressing, pulling and shearing is smooth, and the stability, safety and economy of the steel truss combined bridge are improved.
Description
Technical Field
The utility model relates to a bridge engineering technical field specifically indicates an adopt injection formula and anchor arm-tie formula steel truss composite bridge reinforced concrete joint section connection structure simultaneously.
Background
The steel-concrete composite structure is a novel structure developed on the basis of a steel structure and a reinforced concrete structure, and is a structure which is formed by different materials (steel with strong tensile property and concrete with strong compressive property) to form an integral structure and participate in structural stress together, and can obtain better performance than a single material structure. Through years of exploration and practice, the steel-concrete composite structure has developed into a new subject and is widely applied to large-span bridge construction.
The steel truss composite bridge is one of steel-concrete composite bridges, a plurality of steel members are generally connected with concrete, and a steel-concrete node connection structure of the steel truss composite bridge is a key part of a steel-concrete joint section. The injection type steel-concrete combined section connecting structure mainly bears the pressure and shearing force effects, the axial pressure stress is mainly borne by the bearing plate, and the shearing stress is mainly borne by the shearing force nails; the anchor plate type steel-concrete combined section connecting structure mainly bears the effects of pressure, tension and bending moment, and has a shearing force effect, wherein axial compression stress is mainly borne by the bearing plate, tensile stress is borne by the prestressed anchor rod, and shearing stress is mainly borne by the shear nail. With the diversification development of modern bridge structure types, the structural forms of the steel-concrete combined sections are different, and different steel-concrete combined section connecting structures are adopted according to different internal forces of the steel-concrete combined sections. In actual engineering, the force transmission characteristics of the injection type steel-concrete combined section and the anchor pull plate type steel-concrete combined section are combined according to the actual stress conditions of different steel members and concrete nodes of the steel-concrete combined section in the same structural system, and meanwhile, the injection type steel-concrete combined section and the anchor pull plate type steel-concrete combined section connecting structure is adopted, so that the stress energy transmission of the steel-concrete combined section of the steel truss combined bridge is smooth under the alternating load effects of pressing, pulling, shearing and the like.
Therefore, a connecting structure of a steel-concrete combining section of a steel truss combined bridge adopting both penetration type and anchor plate type steel trusses needs to be researched.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem mentioned in the background art, providing and adopting injection and anchor arm-tie formula steel truss composite bridge steel-concrete joint section connection structure.
In order to solve the technical problem, the utility model provides a technical scheme does: the steel-concrete combined section connecting structure of the injection type and anchor-pull plate type steel truss combined bridge comprises a steel structure, a steel-concrete combined section and a concrete structure;
the steel-concrete combined section of the injection type steel-concrete combined section connecting structure comprises a stiffening plate, a bearing plate, a shear nail and a steel plate;
the steel-concrete combined section of the anchor pull plate type steel-concrete combined section connecting structure comprises a stiffening plate, a bearing plate, a prestressed anchor rod, a reinforcing mesh, a shear nail, an anchor or a nut and a steel plate;
the injection type steel-concrete combined section connecting structure and the anchor pull plate type steel-concrete combined section connecting structure are connected into a whole through cast-in-place concrete.
As a preferable scheme, the penetration type steel-concrete joint section connecting structure or the anchor plate type steel-concrete joint section connecting structure is suitable for arch bridges and cable-stayed bridges.
As a preferable scheme, the penetration type steel-concrete joint section connecting structure or the anchor plate type steel-concrete joint section connecting structure is one of a factory or field prefabricated structure and a cast-in-place structure.
As a preferable scheme, the steel structure section in the injection type steel-concrete combined section connecting structure and the anchor plate type steel-concrete combined section connecting structure is one of a box section, a dumbbell-shaped section, an H-shaped section, an I-shaped section, a king-shaped section and an I-shaped section.
As a preferable scheme, the concrete structure in the penetration type reinforced concrete joint section connecting structure and the anchor pull plate type reinforced concrete joint section connecting structure is one of a common reinforced concrete structure, a prestressed concrete structure and a UHPC ultra-high performance concrete structure.
Preferably, the steel-concrete segment is configured in one of a cellular form and a non-cellular form.
As a preferred scheme, micro-expansion concrete is filled in the reinforced concrete combined section.
As a preferred scheme, the prestressed anchor rod is one of a prestressed steel strand and a finish-rolled twisted steel bar.
Preferably, the shear pin is one of a channel steel, a stud and a PBL shear key.
Preferably, the steel-concrete segment may include one or more penetration type steel-concrete segment connection structures or anchor plate type steel-concrete segment connection structures.
Compared with the prior art, the utility model the advantage lie in: meanwhile, the steel-concrete combination of the injection type steel truss combined bridge and the anchor pull plate type steel truss combined bridge is adopted, so that the stress energy of the steel-concrete combined section of the steel truss combined bridge is smoothly transferred under the action of alternating loads such as pressing, pulling and shearing, and the stability, the safety and the economical efficiency of the steel truss combined bridge are improved.
Drawings
Fig. 1 is the structural schematic diagram of the reinforced concrete joint section of the steel truss arch bridge of the utility model.
Fig. 2 is the structural schematic diagram of the reinforced concrete joint section of the steel truss cable tower cable-stayed bridge of the utility model.
Fig. 3 is a schematic structural diagram of the present invention (only a single reinforced concrete joint is shown to include a penetration reinforced concrete joint connection structure and an anchor plate type reinforced concrete joint connection structure).
Fig. 4 is a schematic structural diagram of the anchor plate type reinforced concrete joint section connecting structure of the present invention.
Fig. 5 is a schematic structural diagram of the injection type reinforced concrete joint section connection structure of the present invention.
Fig. 6 isbase:Sub>A schematic cross-sectional viewbase:Sub>A-base:Sub>A of fig. 4 according to the present invention.
Fig. 7 is a schematic cross-sectional view of the cross-section B-B of fig. 4 according to the present invention.
Fig. 8 is a schematic cross-sectional view of fig. 5C-C according to the present invention.
Fig. 9 is a schematic cross-sectional view of fig. 5 taken along line D-D according to the present invention.
As shown in the figure: 1. the steel-concrete combined section comprises a steel-concrete combined section, 2 steel trusses, 3 suspender rods or inhaul cables, 4 anchor plate type steel-concrete combined section connecting structures, 5 penetration type steel-concrete combined section connecting structures, 6 steel structures, 7 concrete structures, 8 stiffening plates, 9 bearing plates, 10 pre-stressed anchor rods, 11 reinforcing mesh, 12 shear nails, 13 anchorage devices or nuts, 14 steel plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 according to specific situations by those skilled in the art.
With the attached drawings 1-9, a steel-concrete joint connecting structure of an injection type and anchor-pull plate type steel truss combined bridge is adopted and comprises an injection type steel-concrete joint connecting structure 5 and an anchor-pull plate type steel-concrete joint connecting structure 4. The injection type reinforced concrete joint section connecting structure 5 and the anchor plate type reinforced concrete joint section connecting structure 4 are respectively composed of a steel structure 6, a reinforced concrete joint section 1 and a concrete structure 7. The steel-concrete joint section 1 of the penetration type steel-concrete joint section connecting structure 5 comprises a stiffening plate 8, a bearing plate 9, shear nails 12 and a steel plate 14. The steel-concrete joint section 1 of the anchor plate type steel-concrete joint section connecting structure 4 comprises a stiffening plate 8, a bearing plate 9, a prestressed anchor rod 10, a reinforcing mesh 11, a shear nail 12, an anchor or a nut 13 and a steel plate 14. The injection type steel-concrete combined section connecting structure 5 and the anchor pull plate type steel-concrete combined section connecting structure 4 are connected into a whole through cast-in-place concrete.
The injection type steel-concrete combined section connecting structure 5 or the anchor plate type steel-concrete combined section connecting structure 4 can be suitable for arch bridges and cable-stayed bridges.
The injection type steel-concrete joint section connecting structure 5 or the anchor plate type steel-concrete joint section connecting structure 4 can be a factory or field prefabricated structure or a cast-in-place structure.
The included angles between the injection type steel-concrete combined section connecting structure 5 and the anchor pull plate type steel-concrete combined section connecting structure 4 and the vertical line can be equal or unequal.
The steel structure sections in the injection type steel-concrete combined section connecting structure 5 and the anchor pull plate type steel-concrete combined section connecting structure 4 can be box-shaped sections, dumbbell-shaped sections, H-shaped sections, I-shaped sections, wang-shaped sections and I-shaped sections.
Concrete structures in the injection type reinforced concrete joint section connecting structure 5 and the anchor pull plate type reinforced concrete joint section connecting structure 4 can be a common reinforced concrete structure, a prestressed concrete structure and a UHPC ultrahigh-performance concrete structure.
The steel-concrete combined section 1 can be in a non-cellular form (end bearing type, top and bottom plate and bearing plate combined type) or a cellular form (front bearing plate type, rear bearing plate type, front and rear bearing plate type) according to the structure.
And micro-expansion concrete is filled in the steel-concrete combined section 1.
The prestressed anchor rod 10 can be a prestressed steel strand or a finish-rolled twisted steel.
The shear pins 11 may be channel steel, studs, PBL shear keys.
The steel-concrete combined section can comprise one or more penetration type steel-concrete combined section connecting structures 5 or anchor plate type steel-concrete combined section connecting structures 4.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (10)
1. Adopt injection and anchor arm-tie formula steel truss composite bridge steel-concrete combination section connection structure, including injection's steel-concrete combination section connection structure, anchor arm-tie formula steel-concrete combination section connection structure, its characterized in that: the injection type reinforced concrete combined section connecting structure and the anchor pull plate type reinforced concrete combined section connecting structure are respectively composed of a steel structure, a reinforced concrete combined section and a concrete structure;
the steel-concrete combined section of the injection type steel-concrete combined section connecting structure comprises a stiffening plate, a bearing plate, a shear nail and a steel plate;
the steel-concrete combined section of the anchor pull plate type steel-concrete combined section connecting structure comprises a stiffening plate, a bearing plate, a prestressed anchor rod, a reinforcing mesh, a shear nail, an anchor or a nut and a steel plate;
the injection type steel-concrete combined section connecting structure is connected with the anchor pull plate type steel-concrete combined section connecting structure through cast-in-place concrete to form a whole.
2. The connecting structure for the reinforced concrete joint section of the steel truss composite bridge adopting the penetration type and the anchor plate type according to claim 1, is characterized in that: the injection type steel-concrete combined section connecting structure or the anchor plate type steel-concrete combined section connecting structure is suitable for arch bridges and cable-stayed bridges.
3. The connecting structure for the reinforced concrete joint section of the steel truss composite bridge adopting the penetration type and the anchor plate type according to claim 1, is characterized in that: the injection type steel-concrete combined section connecting structure or the anchor plate type steel-concrete combined section connecting structure is one of a factory or field prefabricated structure and a cast-in-place structure.
4. The connecting structure for the reinforced concrete joint section of the steel truss composite bridge adopting the penetration type and the anchor plate type according to claim 1, is characterized in that: the steel structure cross section in injection type steel-concrete combined section connecting structure and anchor-pull plate type steel-concrete combined section connecting structure is one of box-shaped cross section, dumbbell-shaped cross section, H-shaped cross section, I-shaped cross section, chinese character 'wang' shaped cross section and I-shaped cross section.
5. The connecting structure for the reinforced concrete joint section of the steel truss composite bridge adopting the penetration type and the anchor plate type according to claim 1, is characterized in that: the concrete structure in the injection type reinforced concrete joint section connecting structure and the anchor pull plate type reinforced concrete joint section connecting structure is one of a common reinforced concrete structure, a prestressed concrete structure and a UHPC ultrahigh-performance concrete structure.
6. The connecting structure for the reinforced concrete joint section of the steel truss composite bridge adopting the penetration type and the anchor plate type according to claim 1, is characterized in that: the steel-concrete combined section is one of a non-cellular form and a cellular form according to the structure.
7. The connecting structure for the steel-concrete combined section of the steel truss composite bridge adopting the penetration and anchor plate type according to claim 1, characterized in that: and micro-expansion concrete is filled in the reinforced concrete combined section.
8. The connecting structure for the steel-concrete combined section of the steel truss composite bridge adopting the penetration and anchor plate type according to claim 1, characterized in that: the prestressed anchor rod is one of a prestressed steel strand and a finish rolling twisted steel.
9. The connecting structure for the reinforced concrete joint section of the steel truss composite bridge adopting the penetration type and the anchor plate type according to claim 1, is characterized in that: the shear pin is one of channel steel, a stud and a PBL shear key.
10. The connecting structure for the reinforced concrete joint section of the steel truss composite bridge adopting the penetration type and the anchor plate type according to claim 1, is characterized in that: the steel-concrete combined section can comprise one or more penetration type steel-concrete combined section connecting structures or anchor plate type steel-concrete combined section connecting structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222927652.2U CN218643163U (en) | 2022-11-03 | 2022-11-03 | Steel-concrete joint section connecting structure adopting injection type and anchor pull plate type steel truss combined bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222927652.2U CN218643163U (en) | 2022-11-03 | 2022-11-03 | Steel-concrete joint section connecting structure adopting injection type and anchor pull plate type steel truss combined bridge |
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| Publication Number | Publication Date |
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| CN218643163U true CN218643163U (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222927652.2U Active CN218643163U (en) | 2022-11-03 | 2022-11-03 | Steel-concrete joint section connecting structure adopting injection type and anchor pull plate type steel truss combined bridge |
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| CN (1) | CN218643163U (en) |
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