CN213925864U

CN213925864U - Steel bridge deck rigidity and durability improvement structure

Info

Publication number: CN213925864U
Application number: CN202021592153.7U
Authority: CN
Inventors: 姚庆贺; 王慧斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-08-10
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a steel bridge face rigidity and durability improve structure, including the steel bridge deck board, still include laying of rectangular array and weld in the single wave form folded plate, pectination structure, fibre of face add muscle concrete layer and bituminous mixture layer of mating formation on the steel bridge deck board. The single wave-shaped folded plate is provided with a welding hole; the comb teeth on the comb-shaped structural member are welded to the welding holes of the single-wave folded plates in the longitudinal row; the fiber reinforced concrete layer is paved on the upper plate surface of the steel bridge deck plate through fiber materials and forms the fiber reinforced concrete layer with each comb-shaped structural member, and after the fiber reinforced concrete layer is paved, the fiber reinforced concrete layer covers each comb-shaped structural member and the single-wave folded plates of the matrix array; and the asphalt mixture pavement layer is paved on the surface of the fiber reinforced concrete layer. The utility model discloses a structure has improved the durability of steel bridge face, has increased the life of steel bridge face.

Description

Steel bridge deck rigidity and durability improvement structure

Technical Field

The utility model relates to a building technical field, specific saying so relates to a steel bridge face rigidity and durability improve structure.

Background

Concrete, abbreviated as "concrete (t Yi NG)", is a general term for engineering composite materials formed by cementing aggregates into a whole by cementing materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering.

In the prior art, a steel bridge deck is paved by adopting an asphalt pavement, high-viscosity high-performance imported asphalt or epoxy asphalt is needed, the manufacturing cost is high, but the steel bridge deck and an asphalt mixture cannot be stably bonded, so that an asphalt pavement layer falls off to form pits, slides to form bloated bags and tracks, and heavy wheel loads act on the semi-rigid asphalt mixture, so that the rigidity is low, the problem of bridge deck cracking caused by the wheel loads is common, and the durability and the safety of the bridge are endangered.

Therefore, in order to improve the durability of steel deck, improvements in the existing steel deck structure are required.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the to-be-solved technical problem of the utility model lies in providing a steel bridge face rigidity and durability improve structure, this steel bridge face rigidity and durability improve the disease phenomenon that the structure can avoid the decking fracture, have improved the durability and the rigidity of steel bridge floor.

In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a steel bridge face rigidity and durability improve structure, including steel bridge deck board, still include:

the single-wave folded plate is arranged in a matrix array and welded on the upper plate surface of the steel bridge panel, and is provided with welding holes;

comb-shaped structural members, wherein comb teeth of the comb-shaped structural members are welded to welding holes of the single-wave folded plates in the longitudinal rows;

the fiber reinforced concrete layer is paved on the upper plate surface of the steel bridge deck and forms a fiber reinforced concrete layer with each comb-shaped structural member, and after the fiber reinforced concrete layer is paved, the fiber reinforced concrete layer covers each comb-shaped structural member and the single-wave folded plates of the matrix array;

and the asphalt mixture pavement layer is paved on the surface of the fiber reinforced concrete layer.

Furthermore, the steel bridge deck is a modular plate, and the longitudinal sides of two sides of the bottom surface of the steel bridge deck are provided with side baffles perpendicular to the steel bridge deck and at least one U-shaped structural plate longitudinally fixed between the two side baffles.

Furthermore, the lower ends of two side baffles on the same steel bridge deck are bent to form opposite inner folded plates.

Furthermore, the U-shaped structural slab is a steel plate, the bottom panel of the U-shaped structural slab is a narrow plate, and the distance between the two side plates connected with the bottom panel and the steel bridge deck is gradually increased.

Furthermore, the single wave-shaped folded plate is formed by folding a steel sheet into a member with the middle part of an isosceles trapezoid, and two bottom edges of the isosceles trapezoid extend towards the outer straight surface.

Further, the thickness of the asphalt mixture pavement layer is at least 2 times of that of the fiber reinforced concrete layer.

Further, the comb-shaped structural part is a steel bar welding part.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses increase fibre reinforced concrete layer between steel bridge deck and bituminous mixture layer of mating formation, avoided steel bridge deck and bituminous mixture to bond insecure problem, strengthened steel bridge deck rigidity simultaneously, avoided diseases such as decking fracture. The utility model discloses a structure has improved the durability of steel bridge face, has increased the life of steel bridge face.

Drawings

FIG. 1 is a schematic view of the steel bridge deck structure for improving rigidity and durability.

Fig. 2 is a schematic structural view of the vertical array single wave-shaped folded plate and the comb-shaped structural member of the present invention after being fixed.

Fig. 3 is a schematic structural view of the single wave-shaped folded plate of the present invention.

Fig. 4 is the utility model discloses the steel bridge deck board, the fibre adds the layer of muscle concrete and bituminous mixture layer of mating formation structure sketch map.

Fig. 5 is the structural schematic diagram of the U-shaped structural plate welded on the rear of the steel bridge deck.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. 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; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. 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: the utility model discloses a concrete structure as follows:

referring to fig. 1-5, the present invention provides a steel bridge deck rigidity and durability improving structure, which comprises a steel bridge deck 1, and further comprises:

the single-wave folded plate 4 is arranged in a matrix array and welded on the upper plate surface of the steel bridge deck 1, and the single-wave folded plate 4 is provided with welding holes;

comb-shaped structural members 5, the comb teeth of which are welded to the welding holes of the single-wave folded plates 4 in the longitudinal rows;

the reinforced concrete layer 7 of fiber, the fibrous material is spread and fixed to the upper plate of the said steel bridge deck 1 and it forms the reinforced concrete layer 7 of fiber with every comb-shaped structural component 5, after the reinforced concrete layer 7 of said fiber is spread, it covers every comb-shaped structural component 5, single wave form folded plate 4 of the matrix array;

and the asphalt mixture pavement layer 6 is paved on the surface of the fiber reinforced concrete layer 7.

A preferred technical solution of this embodiment: the steel bridge deck slab 1 is a modular slab, and the longitudinal sides of two sides of the bottom surface of the steel bridge deck slab are provided with side baffles 3 perpendicular to the steel bridge deck slab 1 and at least one U-shaped structural slab 2 longitudinally fixed between the two side baffles 3.

A preferred technical solution of this embodiment: the lower ends of two side baffles 3 on the same steel bridge deck plate 1 are bent to form opposite inner folded plates.

A preferred technical solution of this embodiment: u type structural slab 2 is the steel sheet, and its bottom surface board is the narrow plate, its two curb plates of being connected with the bottom surface board to the interval of 1 direction of steel bridge panel increases gradually.

A preferred technical solution of this embodiment: the single wave-shaped folded plate 4 is formed by folding a steel sheet into a member with the middle part of an isosceles trapezoid and two bottom edges of the isosceles trapezoid extending towards the outer straight surface.

A preferred technical solution of this embodiment: the thickness of the asphalt mixture pavement layer 6 is at least 2 times of that of the fiber reinforced concrete layer 7.

A preferred technical solution of this embodiment: the comb-shaped structural member 5 is a steel bar welding piece.

Example 2:

firstly, the modular production of the steel bridge deck is realized, the steel bridge deck module is produced in a factory, and the manufacturing process comprises the following steps:

firstly, welding a side baffle 3 and a U-shaped structural plate 2 on the lower plate surface of a steel bridge deck 1;

secondly, welding the comb teeth of the comb-shaped structural part 5 into the single-wave folded plate 4 which is longitudinally arranged to form a welded assembly;

and step three, longitudinally welding a plurality of welding assemblies on the upper plate surface of the steel bridge deck plate 1 to form array arrangement, and finishing the preparation of the steel bridge deck module for later use.

Secondly, splice the steel bridge deck module in order and form the pontic, pave the fibre concrete layer on steel bridge deck board 1, fibre concrete layer and welding assembly form fibre reinforced concrete layer 7, and the fibre concrete layer covers welding assembly completely, does not leave the arch.

Thirdly, fibre adds 7 upper surfaces of reinforced concrete layer mat formation bituminous mixture layer 6 of mating formation, the completion is mated formation, forms the utility model discloses a steel bridge face rigidity and durability improve the structure.

Example 3:

and preparing the fiber concrete layer, mixing fiber wires and concrete, paving the mixture on the steel bridge deck plate 1, and fully covering the welded assembly.

Example 4:

the asphalt mixture pavement layer 6 is formed by paving common asphalt mixtures.

To sum up, the utility model discloses increase fibre reinforced concrete layer between steel bridge deck plate and bituminous mixture layer of mating formation, avoided steel bridge deck and bituminous mixture to bond insecure problem, increaseed steel bridge deck plate rigidity simultaneously, avoided diseases such as decking fracture. The utility model discloses a structure has improved the durability of steel bridge face, has increased the life of steel bridge face.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a steel bridge face rigidity and durability improve structure, includes steel bridge deck board (1), its characterized in that still includes:

the single-wave folded plate (4) is arranged in a matrix array and welded on the upper plate surface of the steel bridge deck (1), and the single-wave folded plate (4) is provided with welding holes;

comb-shaped structural members (5) whose comb teeth are welded to the welding holes of the single-wave folded plates (4) in the longitudinal rows;

the reinforced concrete layer of fiber (7), the fibrous material is spread and fixed to the upper plate of the said steel bridge deck (1) and it forms the reinforced concrete layer of fiber (7) with every comb structure (5), after the reinforced concrete layer of the said fiber (7) is paved, it covers every comb structure (5), single wave form folded plate (4) of the matrix array;

and the asphalt mixture pavement layer (6) is paved on the surface of the fiber reinforced concrete layer (7).

2. A steel bridge deck rigidity and durability improving structure according to claim 1, wherein the steel bridge deck (1) is a modular plate, and the longitudinal sides of both sides of the bottom surface are provided with side baffles (3) perpendicular to the steel bridge deck (1), and at least one U-shaped structural plate (2) longitudinally fixed between the two side baffles (3).

3. A steel bridge deck rigidity and durability improving structure according to claim 2, wherein the lower ends of two side dams (3) on the same steel bridge deck (1) are bent to form opposite inner folded plates.

4. The structure for improving the rigidity and durability of a steel bridge deck as claimed in claim 2, wherein the U-shaped structural plate (2) is a steel plate, the bottom plate thereof is a narrow plate, and the distance between the two side plates connected with the bottom plate is gradually increased towards the steel bridge deck (1).

5. A steel deck rigidity and durability improving structure according to claim 1, wherein said single wave folded plate (4) is formed by folding a steel sheet into a member having a middle portion of an isosceles trapezoid and both bottom sides of the isosceles trapezoid extending to an outer straight surface.

6. The structure for improving the rigidity and the durability of the steel bridge deck according to claim 1, wherein the thickness of the asphalt mixture pavement layer (6) is at least 2 times that of the fiber reinforced concrete layer (7).

7. A steel deck stiffness and durability enhancing structure according to claim 1 wherein said comb structure (5) is a steel bar weldment.