CN216338988U - Anti-corrosion anti-collision bridge member - Google Patents

Anti-corrosion anti-collision bridge member Download PDF

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Publication number
CN216338988U
CN216338988U CN202122942855.4U CN202122942855U CN216338988U CN 216338988 U CN216338988 U CN 216338988U CN 202122942855 U CN202122942855 U CN 202122942855U CN 216338988 U CN216338988 U CN 216338988U
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root
road
bridge member
reinforcing plate
corrosion
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CN202122942855.4U
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张栋翔
刘曙光
闫长旺
邓轶涵
尹立强
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Inner Mongolia University of Technology
Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
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Inner Mongolia University of Technology
Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
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Abstract

The utility model provides an anti-corrosion anti-collision bridge member which comprises an anti-collision wall body, a reinforcing plate and a pavement layer, wherein the anti-collision wall body comprises a side blocking part and a root part, one end of the side blocking part is connected with one end of the root part and extends towards the direction away from the root part, the reinforcing plate covers the outer surface of the root part, and the pavement layer is poured on one side of the reinforcing plate away from the root part, so that the damage of the root part of the anti-collision wall body caused by external factors can be reduced.

Description

Anti-corrosion anti-collision bridge member
Technical Field
The utility model relates to the technical field of highway construction, in particular to an anti-corrosion and anti-collision bridge member.
Background
The urban viaduct and highway bridge anti-collision wall usually adopt reinforced concrete structures, and in severe cold areas, due to the reasons of freeze thawing, snow-melting agent (containing deicing salt) spreading in winter, snow shoveling mechanical damage in winter, external condition influence and the like, the root of the anti-collision wall often has the phenomena of concrete peeling, steel bar exposure, local concrete cracking and corner falling of the anti-collision wall and the like, so that the service life of the anti-collision wall is seriously influenced. Often, the root of a newly-built anti-collision wall is seriously damaged in a few years, and relevant government departments have to invest a large amount of capital, manpower and material resources to maintain the anti-collision wall in the later period.
Disclosure of Invention
The present invention is directed to solve one of the above-mentioned problems, and provides an anti-corrosion and anti-collision bridge member, which can reduce the damage of the root of the anti-collision wall caused by external factors.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an anti-corrosion anticollision bridge member, includes crashproof wall body, gusset plate and pavement layer, crashproof wall body includes side fender portion and root, the one end of side fender portion is connected the one end of root just is faced away from the direction of root extends, the gusset plate cladding is in the surface of root, pavement layer is pour in the gusset plate deviates from one side of root.
Furthermore, the anti-corrosion and anti-collision bridge member comprises a back plate and a connecting rod, the back plate is arranged on one side, away from the pavement layer, of the root, and the connecting rod is connected with the back plate and the reinforcing plate.
Furthermore, the reinforcing plate comprises a road outer part and a road inner part, one side edge of the road outer part is connected with one side edge of the road inner part, and the road inner part extends towards the direction departing from the side blocking part; the pavement layer is poured on one side, away from the root, of the interior of the road.
Furthermore, the top surface of the road surface layer is flush with the side edge of the road outer part connected with the road inner part.
Furthermore, the outer wall of the reinforcing plate is provided with a dentate bulge.
Further, the material of gusset plate is PVA fiber reinforcement cement base composite.
Furthermore, the anti-corrosion and anti-collision bridge member further comprises a small box girder, the small box girder is connected to the root part and the bottom of the pavement layer, and the reinforcing plate extends to the top surface of the small box girder.
Furthermore, one side of the reinforcing plate, which faces the root, is provided with a protective layer cushion block.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
above-mentioned anticorrosion anticollision bridge member, the gusset plate cladding can be consolidated the root of anticollision wall body at the surface of root, reduces the root of anticollision wall body and receives external factor's destruction. Road surface layer is pour in the gusset plate and is deviated from one side of root, and road surface layer can further laminate the gusset plate with the root, strengthens crashproof wall body's root and gusset plate's laminating nature, and the root of following crashproof wall body drops when avoiding the gusset plate to receive external factor influence.
Drawings
Fig. 1 is a schematic cross-sectional view of an anti-corrosion and anti-collision bridge member according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of an anti-corrosion and anti-collision bridge member according to a second embodiment of the utility model.
Fig. 3 is a cross-sectional view taken along line a-a of fig. 2.
In the attached drawing, 1-an anti-collision wall body, 10-reinforcing steel bars, 11-side blocking parts, 12-roots, 2-reinforcing plates, 21-road exterior parts, 22-road interior parts, 23-tooth-shaped bulges, 3-road surface layers, 4-back plates, 5-connecting rods, 6-small box girders and 7-protective layer cushion blocks.
Detailed Description
The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The first embodiment is as follows:
as shown in fig. 1, a first embodiment of the present invention provides an anti-corrosion anti-collision bridge member, which includes an anti-collision wall 1, a reinforcing plate 2, and a pavement layer 3. Crashproof wall body 1 includes side fender portion 11 and root 12, and the one end of root 12 is connected to the one end of side fender portion 11 and the orientation that deviates from root 12 extends, and the cladding of gusset plate 2 is at the surface of root 12, and pavement layer 3 is pour in one side that gusset plate 2 deviates from root 12.
Above-mentioned anticorrosion anticollision bridge member, gusset plate 2 cladding can be consolidated the root 12 of anticollision wall body 1 at the surface of root 12, reduces the root 12 of anticollision wall body 1 and receives the destruction of external factors. Road surface layer 3 is pour in the gusset plate 2 one side that deviates from root 12, and road surface layer 3 can further laminate gusset plate 2 with root 12, and reinforcing anticollision wall body 1's root 12 and gusset plate 2's laminating nature avoid gusset plate 2 to receive external factors to influence the time root 12 from anticollision wall body 1 drops.
In this embodiment, the reinforcing plate 2 includes a road outer portion 21 and a road inner portion 22, a side of the road outer portion 21 is connected with a side of the road inner portion 22, the road inner portion 22 extends in a direction away from the side blocking portion 11, the road outer portion 21 and the road inner portion 22 are integrally formed, and the shape of the road outer portion 21 and the road inner portion 22 is adapted to the outer surface of the root portion 12, the material of the road outer portion 21 and the road inner portion 22 is a PVA fiber reinforced cement-based composite material, which is PVA-ECC for short, and belongs to the prior art, and the raw materials and the production thereof are not described herein. The pavement layer 3 is cast in the road interior 22 on the side facing away from the root 12. The gusset plate 2 includes the road outside 21 and the road inside 22, and can make the appearance of gusset plate 2 and the root 12 of the anticollision wall body 1 more laminate, strengthens the protectiveness of gusset plate 2 to the root 12 of the anticollision wall body 1. In addition, the uniaxial tensile deformation capacity of the PVA-ECC is about 300 times of that of common concrete, the tensile strain is stable and reaches more than 3%, and the maximum crack width can be controlled within 100 micrometers; in addition, the material also has good freezing resistance and chlorine salt erosion resistance, the freezing and thawing resistance is about 3 times that of common concrete under the same condition, the chlorine ion erosion resistance is 2 times that of the common concrete, and the compressive strength is greater than 50MPa, so that the material of the reinforcing plate 2 is PVA-ECC, and the anti-collision and anti-corrosion capability of the anti-collision wall body 1 can be greatly improved.
In this embodiment, the top surface of the pavement layer 3 is flush with the side edge of the connection between the road exterior 21 and the road interior 22, so as to avoid the reinforcing plate 2 from being broken due to the heavy object impacting the side edge of the connection between the road exterior 21 and the road interior 22.
In the present embodiment, the outer wall of the reinforcing plate 2 is provided with a tooth-shaped protrusion 23, and specifically, the road outer portion 21 and the road inner portion 22 are provided with tooth-shaped protrusions 23 on the sides departing from the road surface layer 3. The provision of the serrations 23 further enhances the grip of the reinforcing plate 2 with the root 12.
In the present embodiment, the corrosion-resistant and impact-resistant bridge structure further includes the small box girder 6, the small box girder 6 is received by the root portion 12 and the bottom portion of the road surface layer 3, and the road interior 22 extends to the top surface of the small box girder 6. The arrangement of the small box girder 6 in this embodiment is the same as that in the prior art, and is not described herein again.
In the embodiment, one side of the reinforcing plate 2 facing the root 12 is provided with a protective layer cushion block 7, the material of the protective layer cushion block 7 is the same as that of a steel bar protective layer cushion block in the prior art, the arrangement of the protective layer cushion block 7 can increase the connection firmness of the anti-collision wall body 1 and the reinforcing plate 2 after the anti-corrosion anti-collision bridge member is constructed, and the concrete effect is detailed in the construction method.
In the present embodiment, the method of constructing the corrosion-resistant and impact-resistant bridge member includes:
firstly, manufacturing a reinforcing plate 2 and manufacturing a model for pouring the reinforcing plate 2, wherein the model can be manufactured by nailing boards or other materials, the operation is simple and is well known by those skilled in the art, and the detailed description is omitted; one side of the manufactured model facing the root 12 is provided with a groove, the modulated PVA-ECC is poured into the model, and the reinforcing plate 2 provided with the dentate bulges 23 is obtained after the PVA-ECC is molded;
secondly, a pouring model of the anti-collision wall body 1 is manufactured, wherein the pouring model is manufactured by binding reinforcing steel bars 10, which is well known in the prior art and by persons skilled in the art, and is not described herein again;
thirdly, placing a protective layer cushion block 7 on the outer wall of the pouring model corresponding to the root 12 of the anti-collision wall body 1, and enabling the protective layer cushion block 7 to be tightly attached to the steel bars 10 of the pouring model;
fourthly, the reinforcing plate 2 is placed on one side, away from the pouring model, of the protective layer cushion block 7, the reinforcing plate 2 is attached to the protective layer cushion block 7, a reinforcing steel bar is used for binding and fixing a mold, the fixing mold is coated outside the pouring model and the reinforcing plate 2, under the support of the protective layer cushion block 7, a certain pouring space is formed between the reinforcing plate 2 and the reinforcing steel bar 10 at the moment, so that concrete is poured, the reinforcing plate 2 is not in direct contact with the reinforcing steel bar 10 after the concrete is poured, the reinforcing plate 2 is directly solidified with the concrete, and the overall stability of the anti-corrosion and anti-collision bridge component is improved;
fifthly, pouring concrete into the fixed mold to form the anti-collision wall body 1, and connecting the anti-collision wall body 1, the protective layer cushion block 7 and the reinforcing plate 2 to form a stable whole after the concrete is solidified;
sixthly, pouring of the pavement layer 3 is completed, the pouring of the pavement layer 3 is the same as the pouring of the pavement in the prior art, and the pouring of the pavement layer 3 is well known to those skilled in the art, and in the present embodiment, when pouring the pavement layer 3, it is sufficient to ensure that the side edge of the pavement layer 3 is attached to the side of the road interior 22 away from the root 12.
It is understood that the arrangement position of the dentations 23 is not limited to the one side of the road outer portion 21 and the road inner portion 22 away from the road surface layer 3 in this embodiment, and in other embodiments, the dentations 23 may be arranged on both the one side of the road outer portion 21 and the one side of the road inner portion 22 away from the road surface layer 3 and the one side facing the road surface layer 3.
Example two:
as shown in fig. 2 and 3, a second embodiment of the present invention provides an anti-corrosion and anti-collision bridge member, which includes a collision wall 1, a reinforcing plate 2, and a pavement layer 3. Crashproof wall body 1 includes side fender portion 11 and root 12, and the one end of root 12 is connected to the one end of side fender portion 11 and the orientation that deviates from root 12 extends, and the cladding of gusset plate 2 is at the surface of root 12, and pavement layer 3 is pour in one side that gusset plate 2 deviates from root 12.
Above-mentioned anticorrosion anticollision bridge member, gusset plate 2 cladding can be consolidated the root 12 of anticollision wall body 1 at the surface of root 12, reduces the root 12 of anticollision wall body 1 and receives the destruction of external factors. Road surface layer 3 is pour in the gusset plate 2 one side that deviates from root 12, and road surface layer 3 can further laminate gusset plate 2 with root 12, and reinforcing anticollision wall body 1's root 12 and gusset plate 2's laminating nature avoid gusset plate 2 to receive external factors to influence the time root 12 from anticollision wall body 1 drops.
In this embodiment, the reinforcing plate 2 includes a road outer portion 21 and a road inner portion 22, a side of the road outer portion 21 is connected with a side of the road inner portion 22, the road inner portion 22 extends in a direction away from the side blocking portion 11, the road outer portion 21 and the road inner portion 22 are integrally formed, and the shape of the road outer portion 21 and the road inner portion 22 is adapted to the outer surface of the root portion 12, the material of the road outer portion 21 and the road inner portion 22 is a PVA fiber reinforced cement-based composite material, which is PVA-ECC for short, and belongs to the prior art, and the raw materials and the production thereof are not described herein. The pavement layer 3 is cast in the road interior 22 on the side facing away from the root 12. The gusset plate 2 includes the road outside 21 and the road inside 22, and can make the appearance of gusset plate 2 and the root 12 of the anticollision wall body 1 more laminate, strengthens the protectiveness of gusset plate 2 to the root 12 of the anticollision wall body 1. In addition, the uniaxial tensile deformation capacity of the PVA-ECC is about 300 times of that of common concrete, the tensile strain is stable and reaches more than 3%, and the maximum crack width can be controlled within 100 micrometers; in addition, the material also has good freezing resistance and chlorine salt erosion resistance, the freezing and thawing resistance is about 3 times that of common concrete under the same condition, the chlorine ion erosion resistance is 2 times that of the common concrete, and the compressive strength is greater than 50MPa, so that the material of the reinforcing plate 2 is PVA-ECC, and the anti-collision and anti-corrosion capability of the anti-collision wall body 1 can be greatly improved.
In the present embodiment, the corrosion-resistant bridge girder structure includes a back plate 4 and a connecting rod 5. The backboard 4 is made of PVA-ECC, and the connecting rod 5 is made of steel bars. One side that root 12 deviates from pavement layer 3 is located to backplate 4, and backplate 4 and gusset plate 2 are connected to connecting rod 5, and is specific, backplate 4 and outside 21 and the inside 22 of way are connected to connecting rod 5. The back plate 4 and the connecting rods 5 can increase the connecting area of the reinforcing plate 2 and the root 12, so that the reinforcing plate 2 is more tightly connected with the root 12.
In this embodiment, the top surface of the pavement layer 3 is flush with the side edge of the connection between the road exterior 21 and the road interior 22, so as to avoid the reinforcing plate 2 from being broken due to the heavy object impacting the side edge of the connection between the road exterior 21 and the road interior 22.
In the present embodiment, the outer wall of the reinforcing plate 2 is provided with a tooth-shaped protrusion 23, and specifically, the road outer portion 21 and the road inner portion 22 are provided with tooth-shaped protrusions 23 on the sides departing from the road surface layer 3. The provision of the serrations 23 further enhances the grip of the reinforcing plate 2 with the root 12.
In the present embodiment, the corrosion-resistant and impact-resistant bridge structure further includes the small box girder 6, the small box girder 6 is received by the root portion 12 and the bottom portion of the road surface layer 3, and the road interior 22 extends to the top surface of the small box girder 6. The arrangement of the small box girder 6 in this embodiment is the same as that in the prior art, and is not described herein again.
In the embodiment, one side of the reinforcing plate 2 facing the root 12 is provided with a protective layer cushion block 7, the material of the protective layer cushion block 7 is the same as that of a steel bar protective layer cushion block in the prior art, the arrangement of the protective layer cushion block 7 can increase the connection firmness of the anti-collision wall body 1 and the reinforcing plate 2 after the anti-corrosion anti-collision bridge member is constructed, and the concrete effect is detailed in the construction method.
In the present embodiment, the method of constructing the corrosion-resistant and impact-resistant bridge member includes:
firstly, a fixed plate model for pouring the reinforcing plate 2 and a back plate model for pouring the back plate 4 are manufactured, the two models can be manufactured by nailing boards or other materials, the operation is simple and is well known by the technical personnel in the field, and the details are not repeated; one side of the fixed plate model facing the root 12 is provided with a groove, so that PVA-ECC is poured into the fixed plate model to obtain the reinforcing plate 2 provided with the dentate bulges 23; the fixing plate model and the backboard model are oppositely arranged, one side of the fixing plate model provided with the groove faces the backboard model, the opposite ends of the connecting rod 5 are respectively inserted into the fixing plate model and the backboard model, the modulated PVA-ECC is poured into the fixing plate model and the backboard model, and the anti-solid cover is formed after the PVA-ECC is molded;
secondly, placing a protective layer cushion block 7 on one side, facing the back plate 4, of the reinforcing plate 2, binding a pouring model for pouring the anti-collision wall 1 by using a steel bar 10 before the reinforcing plate 2 and the back plate 4, wherein the protective layer cushion block 7 is required to be placed at a position where the steel bar 10 is in contact with the reinforcing plate 2 in the process, and at the moment, under the support of the protective layer cushion block 7, a certain pouring space is formed between the reinforcing plate 2 and the steel bar 10 so as to allow concrete to be poured, and the reinforcing plate 2 is not in direct contact with the steel bar 10 after pouring, but the reinforcing plate 2 and the concrete are directly solidified, so that the overall stability of the anti-collision and anti-corrosion bridge component is improved; the pouring model for pouring the anti-collision wall 1 is made by binding the steel bars 10, which is well known to those skilled in the art in the prior art and will not be described herein;
thirdly, binding and fixing a mould by using a reinforced steel plate, wherein the fixed mould is coated outside the side blocking part 11, the back plate 4 and the reinforcing plate 2 corresponding to the pouring model;
fourthly, pouring concrete into the fixed mould to form the anti-collision wall body 1, and after the concrete is solidified, connecting the anti-collision wall body 1 with the protective layer cushion block 7, the reinforcing plate 2 and the back plate 4 to form a stable whole;
fifthly, the pouring of the pavement layer 3 is completed, the pouring of the pavement layer 3 is the same as the pouring of the pavement in the prior art, which is well known to those skilled in the art, and in the present embodiment, when the pavement layer 3 is poured, it is sufficient to ensure that the side edge of the pavement layer 3 is attached to the side of the road interior 22 away from the root 12.
It is understood that the arrangement position of the dentations 23 is not limited to the one side of the road outer portion 21 and the road inner portion 22 away from the road surface layer 3 in this embodiment, and in other embodiments, the dentations 23 may be arranged on both the one side of the road outer portion 21 and the one side of the road inner portion 22 away from the road surface layer 3 and the one side facing the road surface layer 3.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides an anticorrosion anticollision bridge member which characterized in that: including crashproof wall body (1), gusset plate (2) and pavement layer (3), crashproof wall body (1) is including side fender portion (11) and root (12), the one end of side fender portion (11) is connected the one end of root (12) and towards deviating from the direction of root (12) extends, gusset plate (2) cladding is in the surface of root (12), pavement layer (3) pour in gusset plate (2) deviate from one side of root (12).
2. The anti-corrosion anti-collision bridge member according to claim 1, wherein: the anti-corrosion anti-collision bridge member comprises a back plate (4) and a connecting rod (5), the back plate (4) is arranged on one side, deviating from the pavement layer (3), of the root portion (12), and the connecting rod (5) is connected with the back plate (4) and the reinforcing plate (2).
3. The anti-corrosion anti-collision bridge member according to claim 2, wherein: the reinforcing plate (2) comprises a road outer part (21) and a road inner part (22), one side of the road outer part (21) is connected with one side of the road inner part (22), and the road inner part (22) extends towards the direction departing from the side blocking part (11); the pavement layer (3) is poured on one side, away from the root (12), of the road interior (22).
4. The anti-corrosion anti-collision bridge member according to claim 3, wherein: the top surface of the road surface layer (3) is flush with the side edge of the road outer part (21) connected with the road inner part (22).
5. An anti-corrosion anti-collision bridge construction according to any one of claims 1 to 4, characterized in that: the outer wall of the reinforcing plate (2) is provided with dentations (23).
6. The anti-corrosion anti-collision bridge member according to claim 5, wherein: the material of the reinforcing plate (2) is PVA fiber reinforced cement-based composite material.
7. The anti-corrosion anti-collision bridge member according to claim 1, wherein: the anti-corrosion anti-collision bridge member further comprises a small box girder (6), the small box girder (6) is connected to the root portion (12) and the bottom of the pavement layer (3), and the reinforcing plate (2) extends to the top surface of the small box girder (6).
8. The anti-corrosion anti-collision bridge member according to claim 1, wherein: one side of the reinforcing plate (2) facing the root (12) is provided with a protective layer cushion block (7).
CN202122942855.4U 2021-11-26 2021-11-26 Anti-corrosion anti-collision bridge member Active CN216338988U (en)

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CN202122942855.4U CN216338988U (en) 2021-11-26 2021-11-26 Anti-corrosion anti-collision bridge member

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Application Number Priority Date Filing Date Title
CN202122942855.4U CN216338988U (en) 2021-11-26 2021-11-26 Anti-corrosion anti-collision bridge member

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CN216338988U true CN216338988U (en) 2022-04-19

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