CN214061267U - Bridge deck and bridge - Google Patents

Abstract

The utility model discloses a bridge deck, include supreme bearing layer, enhancement layer and the wearing layer of establishing of folding in proper order down, the whole frame form of being made by metal material of bearing layer, the enhancement layer is made by RPC, the wearing layer is made by epoxy, anticorrosive treatment is made to the surface of bearing layer. The utility model also discloses a bridge, including foretell decking, the bridge is still including locating the pier of decking below with locate the decking with support between the pier. The utility model discloses aim at solving the technical problem that the durability of the decking among the prior art is poor, the bearing capacity is not good and the shaping is long, influence surrounding environment.

Description

Bridge deck and bridge

Technical Field

The utility model belongs to the technical field of the bridge, especially, relate to a decking.

Background

The bridge construction in China develops rapidly, and the bridge construction plays a great promoting role in the economic development of the nation. In the process of large-scale engineering construction, a plurality of quality safety hazards exist in the bridge, and the reasons for the quality safety hazards comprise that the design is unreasonable or the construction quality specifications are not strictly followed. In addition, the structure of the bridge deck is easy to cause potential safety hazards. The method specifically comprises the following steps: in the prior art, a bridge comprises a bridge pier, a support arranged on the upper portion of the bridge pier, and a bridge deck arranged on the upper portion of the support, wherein the bridge deck is a concrete box girder structure formed by pouring concrete. The disadvantages of the prior art are as follows.

(1) The bridge deck slab with the structure has the advantages of great self weight, low tensile strength of concrete materials and poor shearing resistance, so that the web plate is easy to crack, the rigidity and strength of a bridge structure are weakened, the corrosion of reinforcing steel bars is accelerated, great threats are formed on the durability and the bearing capacity of the structure, and potential safety hazards are caused.

(2) When the structure is formed, the concrete box girder generally adopts the cast-in-place construction of the integral support, the forming steps are complex, a large number of support templates are needed in the forming process, the construction progress is slow, the cost is high, traffic jam, noise, dust pollution and the like occur in the construction, and adverse effects are caused on the surrounding environment, the resident life, the urban landscape and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Based on this, the utility model provides a decking, this decking aim at solving the decking among the prior art durability poor, the bearing capacity is not good and the shaping is long, influence the technical problem of surrounding environment.

(II) technical scheme

In order to solve the technical problem, the utility model provides a bridge deck, include supreme bearing layer, enhancement layer and the wearing layer of establishing of folding in proper order down, the whole frame form of being made by metal material of bearing layer, the enhancement layer is made by RPC, the wearing layer is made by epoxy, anticorrosive treatment is made to the surface of bearing layer.

Preferably, the bearing layer includes last flat board, lower flat board and spliced pole, go up the flat board with dull and stereotyped interval sets up down, the spliced pole is located go up the flat board with between the flat board down, just the both ends of spliced pole respectively with go up the flat board with dull and stereotyped welding down, it locates to go up the flat board the below of enhancement layer is used for supporting the enhancement layer.

Preferably, the number of the connecting columns is multiple, and the connecting columns are arranged at intervals along the length direction of the bridge deck.

Preferably, the upper flat plate, the lower flat plate and the connecting column are all made of steel.

Preferably, the connecting column is hollow cylindrical.

Preferably, the bridge deck further comprises a first bonding portion, and the first bonding portion is arranged between the bearing layer and the reinforcing layer and used for achieving bonding and fixing of the bearing layer and the reinforcing layer.

Preferably, the bridge deck further comprises a second bonding portion, and the second bonding portion is arranged between the reinforcing layer and the wear-resistant layer and used for achieving bonding and fixing of the reinforcing layer and the wear-resistant layer.

Preferably, the first bonding part comprises a bottom glue layer covering the upper part of the bearing layer and a surface glue layer covering the bottom glue layer, and the surface glue layer is bonded with the reinforcing layer.

The utility model also provides a bridge, include as above the decking, the bridge is still including locating the pier of decking below with locate the decking with support between the pier.

(III) advantageous effects

The utility model discloses compare with prior art, the beneficial effects of the utility model mainly include:

compared with the prior art, the utility model relates to a decking innovates on current bridge construction's basis, adopts metal frame construction's bearing layer to replace traditional concrete web, makes box girder concrete quantity descend by a wide margin, adopts this structure can effectively subtract heavy, does benefit to the light-duty change of structure of decking, and the decking weight lightens the back, can save the engineering volume that is used for supporting the pier of decking and support, reduces the cost, does benefit to the reduction the utility model relates to a whole cost of bridge. The wear resistant layer at the topmost part of the bridge deck can effectively resist the abrasion of the vehicle. Among the prior art, concrete beam bridge web need put up the mould and pour, forms the utility model relates to a during deck slab structure, do not need this construction procedure, and metal frame construction's bearing layer can directly regard as superstructure's template, also can prefabricate directly at the mill and install at the scene directly to accelerate the construction progress, save the time limit for a project, reduce the construction degree of difficulty at scene, it is less to the environmental impact on every side.

Drawings

The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:

fig. 1 is a schematic structural diagram of a bridge according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bridge deck according to an embodiment of the present invention.

Description of reference numerals:

100-bridge deck slab, 200-support, 300-bridge pier, 1-bearing layer, 2-reinforcing layer, 3-wear-resistant layer, 4-first bonding part, 5-second bonding part, 11-upper flat plate, 12-lower flat plate, 13-connecting column, 41-bottom glue layer and 42-surface glue layer.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two elements may be mechanically or electrically connected, directly or indirectly connected through an intermediate medium, or connected through the inside of the two elements, or "in transmission connection", that is, connected in a power manner through various suitable manners such as belt transmission, gear transmission, or sprocket transmission. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a bridge includes a bridge deck 100, and further includes piers 300 disposed under the bridge deck 100 and abutments 200 disposed between the bridge deck 100 and the piers 300. The bridge deck 100 comprises a bearing layer 1, a reinforcing layer 2 and a wear-resistant layer 3 which are sequentially stacked from bottom to top, the whole bearing layer 1 is in a frame shape made of metal materials, the reinforcing layer 2 is made of RPC, and the wear-resistant layer 3 is made of epoxy resin.

In this embodiment, the whole bearing layer 1 is made of metal material and is in the shape of a frame, and this structure is used to replace the traditional concrete web, so that the concrete consumption of the box girder is greatly reduced, and by adopting this structure, the weight of the bridge deck 100 can be effectively reduced, which is beneficial to lightening the structure. And the bridge deck 100 weight alleviates the back, can save the engineering volume that is used for supporting pier 300 and support 200 of bridge deck 100, reduces the cost, does benefit to and reduces the utility model relates to a whole cost of bridge. The wear resistant layer 3 at the topmost portion of the deck slab 100 is effective against wear of the vehicle. The reinforcing layer 2 is made of RPC (reactive powder concrete), so that the RPC has good durability and excellent wear resistance and anti-explosion performance. The topmost wear layer 3 is made of epoxy. By covering the lower reinforcement layer 2 with epoxy resin, wear of the vehicle can be effectively resisted. The bridge deck is compounded by a plurality of materials, is beneficial to each material to play a role, fully plays the respective mechanical characteristics of the reinforcing layer 2, the bearing layer 1 and the wear-resistant layer 3, and has good combined use effect.

According to the utility model discloses a specific embodiment, bearing layer 1 includes last dull and stereotyped 11, lower dull and stereotyped 12 and spliced pole 13, goes up dull and stereotyped 11 and lower dull and stereotyped 12 interval setting, and spliced pole 13 is located between dull and stereotyped 11 and the lower dull and stereotyped 12, and the both ends of spliced pole 13 respectively with last dull and stereotyped 11 and lower dull and stereotyped 12 welding, go up dull and stereotyped 11 below of locating enhancement layer 2 and be used for supporting enhancement layer 2. The upper flat plate 11, the lower flat plate 12 and the connecting column 13 are all made of steel.

In this embodiment, the upper plate 11 of the bearing layer 1 is of a flat plate structure, which is beneficial to serving as a template for forming an upper structure, and the upper structure does not need to be disassembled, so that construction materials can be greatly reduced, and the construction time can be shortened. The lower plate 12 of the bearing layer 1 is of a flat plate structure and has a flat mounting surface, which is beneficial for mounting on the support 200. The connecting column 13 of the bearing layer 1 is used for supporting the upper flat plate 11, and the shape of the connecting column is cylindrical, so that less wind resistance is facilitated, and the wind resistance of the bridge is improved.

According to the utility model discloses a specific embodiment, the quantity of spliced pole 13 is many, and many spliced poles 13 set up along the length direction interval of decking 100. This structure is used to form a frame structure while ensuring strength, which is advantageous for reducing the weight of the deck plate 100.

According to the utility model discloses a specific embodiment, spliced pole 13 is hollow cylinder. The connecting column 13 of hollow cylindrical structure contributes to ensuring strength, which can realize further weight reduction.

According to the utility model discloses a specific embodiment, decking 100 still includes first bonding portion 4, and first bonding portion 4 is located between bearing layer 1 and the enhancement layer 2 and is used for realizing that the bonding of the two is fixed. The first bonding portion 4 is an adhesive for preventing the reinforcing layer 2 from being disjointed from the bearing layer 1.

According to the utility model discloses a specific embodiment, decking 100 still includes second bonding portion 5, and second bonding portion 5 is located between enhancement layer 2 and the wearing layer 3 and is used for realizing the bonding of the two fixed. The second bonding portion 5 is an adhesive for preventing the bearing layer 1 and the wear-resistant layer 3 from disjointing.

According to the embodiment of the present invention, the first bonding portion 4 includes the primer layer 41 covering the upper portion of the bearing layer 1 and the surface adhesive layer 42 covering the primer layer 41, and the surface adhesive layer 42 is bonded to the reinforcing layer 2. And two layers of viscose are coated in sequence, so that the bonding stability is further improved.

According to the specific embodiment of the utility model, the surface of bearing layer 1 is done anticorrosive treatment. The structure is used for preventing the surface of steel products from rusting.

Compared with the prior art, the utility model relates to a bridge deck and utilize bridge that this bridge deck makeed has following technological effect.

(1) The bridge deck has the advantages of thin overall thickness and light weight, and the bridge deck load and the pavement thickness are not increased, so that the passing clear height of the tunnel is not influenced.

(2) The decking intensity is high, increases substantially the bearing capacity of decking, and the decking weight lightens the back, can save the engineering volume that is used for supporting the pier and the support of decking, reduces the cost, does benefit to the reduction the utility model relates to a whole cost of bridge.

(3) The construction speed is fast, the road sealing time is short, the road surface structure is not changed, and the method is suitable for renovating the old road surface.

(4) The cost of the whole life cycle of the bridge deck is not high, the wear-resistant layer formed by epoxy is replaced once in 10 years, and the service life of the bridge deck can be greatly prolonged by replacing the wear-resistant layer.

Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.

Claims (9)

1. The bridge deck is characterized by comprising a bearing layer, a reinforcing layer and a wear-resistant layer which are sequentially stacked from bottom to top, wherein the whole bearing layer is in a frame shape made of a metal material, the reinforcing layer is made of RPC, and the wear-resistant layer is made of epoxy resin; and the outer surface of the bearing layer is subjected to anticorrosion treatment.

2. The bridge deck plate according to claim 1, wherein the bearing layer comprises an upper flat plate, a lower flat plate and a connecting column, the upper flat plate and the lower flat plate are arranged at intervals, the connecting column is arranged between the upper flat plate and the lower flat plate, two ends of the connecting column are respectively welded with the upper flat plate and the lower flat plate, and the upper flat plate is arranged below the reinforcing layer and used for supporting the reinforcing layer.

3. The bridge deck according to claim 2, wherein the number of the connecting columns is plural, and the connecting columns are arranged at intervals along the length direction of the bridge deck.

4. A decking according to claim 3, wherein the upper slab, the lower slab and the connecting columns are all made of steel.

5. The decking of claim 4, wherein the connecting columns are hollow cylindrical.

6. A bridge deck according to any one of claims 1 to 5, further comprising a first adhesive portion provided between the load bearing layer and the reinforcing layer for adhesive attachment thereto.

7. A bridge deck according to any one of claims 1 to 5, further comprising a second adhesive portion provided between the reinforcing layer and the wear layer for adhesive attachment thereto.

8. The decking of claim 6, wherein the first bonding portion includes a primer layer overlying the upper portion of the load-bearing layer and a face-stock layer overlying the primer layer, the face-stock layer being bonded to the reinforcing layer.

9. A bridge comprising a deck according to any one of claims 1 to 8, further comprising piers disposed below the deck and abutments disposed between the deck and the piers.

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