CN113756231A - Road guardrail and manufacturing method thereof - Google Patents
Road guardrail and manufacturing method thereof Download PDFInfo
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- CN113756231A CN113756231A CN202110887284.0A CN202110887284A CN113756231A CN 113756231 A CN113756231 A CN 113756231A CN 202110887284 A CN202110887284 A CN 202110887284A CN 113756231 A CN113756231 A CN 113756231A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 23
- 239000004917 carbon fiber Substances 0.000 claims abstract description 23
- 239000004744 fabric Substances 0.000 claims abstract description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000004698 Polyethylene Substances 0.000 claims abstract description 12
- 239000004568 cement Substances 0.000 claims abstract description 12
- -1 polyethylene Polymers 0.000 claims abstract description 12
- 229920000573 polyethylene Polymers 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
- 150000002148 esters Chemical class 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 10
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000004512 die casting Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 21
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- 238000012545 processing Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
- E01F15/083—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using concrete
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/088—Details of element connection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/143—Protecting devices located at the ends of barriers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a highway guardrail, which comprises an installation upright post and a guard plate fixed on the installation upright post, wherein the guard plate comprises the following raw materials in parts by weight: 100 parts of cobblestones, 10-20 parts of epoxy resin glue, 4-10 parts of curing agent, 1-5 parts of dibutyl ester, 5-15 parts of steel fiber, 3-10 parts of polyethylene fiber, 10-15 parts of labeled cement, 3-10 parts of concrete fiber and 5-15 parts of steel bar embedded part, wherein the carbon fiber cloth is fully surrounded, the particle size of the cobblestones is 0.8-1.5cm, the particle size of the steel fiber is 0.5-1.2mm, the length of the steel fiber is 25-40mm, and the thickness of the carbon fiber cloth is 0.1-1.0 mm. The invention has the advantages of simple manufacturing method, short period, environmental protection, no pollution, low cost and good safety protection effect on people and vehicles.
Description
Technical Field
The invention relates to the technical field of road traffic, in particular to a road guardrail.
Background
In recent years, with the rapid development of highway construction, guardrails installed in the middle of a highway and on both sides of the highway have been rapidly developed.
However, the existing road guardrail has low strength, cannot effectively absorb impact energy when being impacted by a large force, not only causes damage, but also has low protection effect on safety of people and vehicles, and is easy to cause major traffic accidents.
Disclosure of Invention
The present invention is directed to a road guardrail and a method for manufacturing the same, which overcome the above-mentioned problems of the related art.
Therefore, the invention adopts the following specific technical scheme:
the utility model provides a highway guardrail, includes the installation stand, fixes the backplate on the installation stand, according to the mass fraction, the backplate raw materials includes following component: 100 parts of cobblestones, 10-20 parts of epoxy resin glue, 4-10 parts of curing agent, 1-5 parts of dibutyl ester, 5-15 parts of steel fiber, 3-10 parts of polyethylene fiber, 10-15 parts of labeled cement, 3-10 parts of concrete fiber, 5-15 parts of steel bar embedded part and carbon fiber cloth, wherein the particle size of the cobblestones is 0.8-1.5cm, the particle size of the steel fiber is 0.5-1.2mm, the length of the steel fiber is 25-40mm, and the thickness of the carbon fiber cloth is 0.1-1.0 mm.
Preferably, the surface of the guard plate is provided with carbon fiber cloth and a color reflective film.
Preferably, the side of the protective plate facing the road is corrugated from top to bottom.
Preferably, the guard plate is provided with 2-5 wave crests.
Preferably, the guard plate is further provided with a through hole along the length direction.
Preferably, the through hole is located at a peak.
Preferably, the color reflective film is red-yellow-blue or yellow-green.
Preferably, the side of the protective plate, which faces away from the highway, is flat or corrugated from top to bottom.
Preferably, still include a plurality of anticollision stands that are located the highway turn, the anticollision stand includes that cylinder, bottom are fixed in the installation pipe on ground, and the cylinder center is equipped with the mounting hole that is used for placing the installation pipe.
Preferably, connecting pieces are arranged at two ends of the guard plate, and the connecting pieces and the mounting upright posts are fixed through bolts.
A method for manufacturing a highway guardrail, the processing of the guardrail comprises the following steps:
(1) prefabricating and customizing a steel bar embedded part according to the size of a casting, and placing the steel bar embedded part into a metal mold;
(2) mixing cobblestones, labeled cement, steel fibers, concrete fibers and polyethylene fibers according to a ratio, and uniformly stirring;
(3) mixing epoxy resin glue, a curing agent and dibutyl ester according to a ratio, and uniformly stirring;
(4) putting the colorful reflective film, the carbon fiber cloth and the steel bar keel into a metal mold;
(5) mixing the mixture obtained in the step (3) with the mixture obtained in the step (2), uniformly stirring, pouring into the metal mold obtained in the step (1), and performing die-casting molding by using a roller, wherein the roller is a metal molding roller with the diameter of 30-50 cm, the pressure is 50 tons or more, and the roller can be rolled and molded by selecting the modes of rotation and movement of a guardrail mold and the modes of rotation and movement of the roller;
(6) demolding after 24 hours at normal temperature.
Compared with the prior art, the invention has the beneficial effects that:
(1) the guard board of the invention is manufactured at normal temperature during processing, almost has no internal stress, can keep working efficiency for a long time, is manufactured by adopting a unique formula, cobblestones with the grain diameter of 0.8-1.5cm have certain fluidity when the guard board is greatly impacted, the guard board structure containing the cobblestones is similar to an ocean ball pool, when a vehicle is out of control to impact the guard board, the cobblestones with the grain diameter of 0.8-1.5cm in the guard board can conduct the impacted load to the length direction and the width direction of the guard board at the first time of impact, effectively absorbs and dissolves the impact energy, the impact resistance of the guard board is improved after the guard board is surrounded by carbon fiber cloth, secondary rebound caused by the guard board made of steel materials is avoided, and the safety protection effect of people and vehicles is greatly guaranteed.
(2) The guard plate has the advantages of low production and manufacturing cost, simple casting process, no need of high-tech workers, simple die manufacturing, no pollution to the environment, 30-50 percent of the production cost of raw materials of the guard plate, basically no subsequent reprocessing, short production period, and the guard plate can be put into use within 10 days generally.
(3) Meanwhile, the invention is also particularly provided with a structure for forming the colorful reflective film on the guard plate, thereby adding fun for road traveling and driving and reducing the fatigue of drivers and passengers.
(4) The guard board is manufactured by normal temperature processing, does not need any coal and heating, does not have any discharge, and is a real green production technology.
(5) The product percent of pass is high, and as the guard plate is produced by adopting a normal-temperature mould, the guard plate can ensure that the percent of pass reaches 100% as long as the mould has no problem.
In conclusion, cobblestones are used as the main raw material of the guard plate, a formula for optimizing performance is used as an auxiliary material, a small amount of labeled cement, carbon fiber cloth, polyethylene fibers and concrete fibers can optimize mechanical performance, a steel bar embedded part plays a role in reinforcing the guard plate, a novel material manufactured at normal temperature has super-strong mechanical performance, and the novel material has small deformation and stable size at the temperature of-60-150 ℃; in addition, the preparation method of the invention has the advantages of simplicity, short period, environmental protection, no pollution and low cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram illustrating a mounting post in a road guardrail according to an embodiment of the present application;
FIG. 2 shows a cross-sectional view of FIG. 1;
fig. 3 shows a cross-sectional view of a crash post in a road barrier according to an embodiment of the present application;
FIG. 4 is a schematic view of a guard plate of a road guardrail according to one embodiment of the present application;
FIG. 5 is a schematic view of a guard plate of a road guardrail according to one embodiment of the present application;
FIG. 6 is a schematic view of a guard plate of a road guardrail according to one embodiment of the present application;
FIG. 7 is a schematic view of a guard plate of a road guardrail according to an embodiment of the present application;
FIG. 8 is a schematic view of a guard plate of a road guardrail according to one embodiment of the present application;
fig. 9 shows a schematic structural diagram of a guard plate in a road guardrail according to an embodiment of the present application.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
In the description of the present invention, it should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the technical disclosure of the present invention without affecting the function and the achievable purpose of the present invention. While the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations and positional relationships illustrated in the drawings, which are used for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the invention. Furthermore, the terms "first" and "second" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Reference numerals: the mounting structure comprises a mounting upright post 1, a threaded hole 2, a groove 3, a reinforcing steel plate 4, a connecting hole 5, an anti-collision upright post 6, a mounting hole 7, a protective plate 8, a wave crest 9, a through hole 10 and a connecting sheet 11.
As shown in fig. 1, the embodiment discloses a highway guardrail, which comprises an installation upright post and a guard plate 8 fixed on the installation upright post, wherein the guard plate 8 comprises the following raw materials in parts by weight: 100 parts of cobblestones, 10-20 parts of epoxy resin glue, 4-10 parts of curing agent, 1-5 parts of dibutyl ester, 5-15 parts of steel fiber, 3-10 parts of polyethylene fiber, 10-15 parts of labeled cement, 3-10 parts of concrete fiber, 5-15 parts of steel bar embedded part and carbon fiber cloth, wherein the particle size of the cobblestones is 0.8-1.5cm, the particle size of the steel fiber is 0.5-1.2mm, the length of the steel fiber is 25-40mm, and the thickness of the carbon fiber cloth is 0.1-1.0 mm.
As shown in fig. 1 and 2, the whole installation column is a square column, the center of the installation column is provided with a through connection hole 5, and one side of the upper part of the installation column is provided with a groove 3, the connection hole 5 is convenient for fixedly installing the column through an embedded pile seat, the groove 3 is convenient for clamping and fixing a protection plate 8, the groove 3 is embedded with a reinforced steel plate 4, the reinforced steel plate 4 is provided with a threaded hole 2, two ends of the protection plate 8 are provided with connecting pieces 11, and the connecting pieces 11 and the installation column are fixed through bolts.
In at least one embodiment, the surface of the guard plate 8 is provided with a color reflective film, the reflective film is red-yellow-blue three-color or yellow-green two-color, and other colors or color combinations can be provided, and the structure of the color reflective film formed on the guard plate 8 can add fun to road travel and driving, and reduce the fatigue of drivers and passengers.
In at least one embodiment, as shown in fig. 4 to 7, the side of the protective plate 8 facing the highway is corrugated from top to bottom, the side of the protective plate 8 facing away from the highway is also corrugated from top to bottom, the waveforms on both sides of the protective plate 8 may be identical, the protective plate 8 is provided with 2 to 5 wave crests 9, specifically, 2 wave crests 9, 3 wave crests 9, 4 wave crests 9 or 5 wave crests 9, in this embodiment, 2 or 3 wave crests 9, the two ends of the protective plate 8 are provided with connecting pieces 11, and the connecting pieces 11 are fixed to the mounting columns through bolts.
In at least one embodiment, as shown in fig. 4 and 5, the side of the fender 8 facing away from the road may also be flat.
In at least one embodiment, as shown in fig. 8 to 9, the side of the protective plate 8 facing the highway is corrugated from top to bottom, the side of the protective plate 8 facing away from the highway is flat, the protective plate 8 has 2 to 5 wave crests 9, specifically, 2 wave crests 9, 3 wave crests 9, 4 wave crests 9, or 5 wave crests 9, in this embodiment, 2 or 3 wave crests 9, the two ends of the protective plate 8 are provided with connecting pieces 11, and the connecting pieces 11 are fixed to the mounting columns through bolts.
In at least one embodiment, as shown in fig. 4 and 5, the protective plate 8 is further provided with through holes 10 along the length direction, the through holes 10 are located at the wave crests 9, the through holes 10 are used for reducing the weight of the protective plate 8, meanwhile, the structural strength can be improved through the added hole structure, and in addition, the through holes 10 can also be used for installing and fixing the protective plate 8.
In at least one embodiment, as shown in fig. 3, the present invention further includes a plurality of anti-collision pillars 6 located at the turning points of the highway, each anti-collision pillar 6 includes a pillar body and a mounting pipe fixed at the bottom to the ground, the cross section of the pillar body is square, the center of the pillar body is provided with a mounting hole 7 for placing the mounting pipe, the mounting pipe is a thin-wall pipe and can be filled with fiber mineral materials and steel reinforcement frameworks, and the mounting pipe can be pre-embedded in the ground on two sides of the kilometer road in advance.
A method for manufacturing a highway guardrail, the processing of the guardrail comprises the following steps:
(1) prefabricating and customizing a steel bar embedded part according to the size of a casting, and placing the steel bar embedded part into a metal mold;
(2) mixing cobblestones, labeled cement, steel fibers, concrete fibers and polyethylene fibers according to a ratio, and uniformly stirring;
(3) mixing epoxy resin glue, a curing agent and dibutyl ester according to a ratio, and uniformly stirring;
(4) putting the colorful reflective film, the carbon fiber cloth and the steel bar keel into a metal mold;
(5) mixing the mixture obtained in the step (3) with the mixture obtained in the step (2), uniformly stirring, pouring into the metal mold obtained in the step (1), and performing die-casting molding by using a roller, wherein the roller is a metal molding roller with the diameter of 30-50 cm, the pressure is 50 tons or more, and the roller can be rolled and molded by selecting the modes of rotation and movement of a guardrail mold and the modes of rotation and movement of the roller;
(6) demolding after 24 hours at normal temperature.
It is particularly noted that the shape of the roller is determined according to the shape of the back surface of the guard plate, if the back surface of the guard plate is flat, the roller is selected to be in a smooth cylindrical shape, and if the back surface of the guard plate is concave and convex, the surface of the roller is correspondingly provided with a corresponding concave and convex undulating structure.
Compared with the prior art, the invention has the beneficial effects that:
(1) the guard board of the invention is manufactured at normal temperature during processing, almost has no internal stress, can keep working efficiency for a long time, is manufactured by adopting a unique formula, cobblestones with the grain diameter of 0.8-1.5cm have certain fluidity when the guard board is greatly impacted, the guard board structure containing the cobblestones is similar to an ocean ball pool, when a vehicle is out of control to impact the guard board, the cobblestones with the grain diameter of 0.8-1.5cm in the guard board can conduct the impacted load to the length direction and the width direction of the guard board at the first time of impact, effectively absorbs and dissolves the impact energy, and after the carbon fiber cloth is added to fully surround, the impact resistance of the guard board is further improved, the secondary rebound caused by the guard board made of steel is avoided, and the safety protection effect of people and vehicles is greatly ensured.
(2) The guard plate has the advantages of low production and manufacturing cost, simple casting process, no need of high-tech workers, simple die manufacturing, no pollution to the environment, 30-50 percent of the production cost of raw materials of the guard plate, basically no subsequent reprocessing, short production period, and the guard plate can be put into use within 10 days generally.
(3) Meanwhile, the invention is also particularly provided with a structure for forming the colorful reflective film on the guard plate, thereby adding fun for road traveling and driving and reducing the fatigue of drivers and passengers.
(4) The guard board is manufactured by normal temperature processing, does not need any coal and heating, does not have any discharge, and is a real green production technology.
(5) The product percent of pass is high, and as the guard plate is produced by adopting a normal-temperature mould, the guard plate can ensure that the percent of pass reaches 100% as long as the mould has no problem.
In conclusion, cobblestones are used as the main raw material of the guard plate, a formula for optimizing performance is used as an auxiliary material, the mechanical performance of the guard plate can be optimized by using cement, carbon fiber cloth, polyethylene fibers and concrete fibers as labels, and the guard plate is reinforced by using a steel bar embedded part and a steel bar keel, so that the novel material manufactured at normal temperature has super-strong mechanical performance, and is small in deformation and stable in size at the temperature of-60-150 ℃; in addition, the preparation method of the invention has the advantages of simplicity, short period, environmental protection, no pollution and low cost.
In at least one embodiment, the highway guardrail comprises a mounting upright post and a protective plate 8 fixed on the mounting upright post, wherein the protective plate 8 comprises the following raw materials in parts by weight: 100 parts of cobblestones, 10 parts of epoxy resin glue, 4 parts of curing agent, 1 part of dibutyl ester, 5 parts of steel fibers, 3 parts of polyethylene fibers, 10 parts of labeled cement, 3 parts of concrete fibers, 5 parts of steel bar embedded parts and carbon fiber cloth, wherein the cobblestones have the particle size of 0.8-1.5cm, the steel fibers have the particle size of 0.5-1.2mm and the length of 25-40mm, and the carbon fiber cloth has the thickness of 0.1-1.0 mm.
In at least one embodiment, the highway guardrail comprises a mounting upright post and a protective plate 8 fixed on the mounting upright post, wherein the protective plate 8 comprises the following raw materials in parts by weight: 100 parts of cobblestones, 20 parts of epoxy resin glue, 10 parts of curing agent, 5 parts of dibutyl ester, 15 parts of steel fibers, 10 parts of polyethylene fibers, 15 parts of labeled cement, 10 parts of concrete fibers, 15 parts of steel bar embedded parts and carbon fiber cloth, wherein the cobblestones have the particle size of 0.8-1.5cm, the steel fibers have the particle size of 0.5-1.2mm and the length of 25-40mm, and the carbon fiber cloth has the thickness of 0.1-1.0 mm.
In at least one embodiment, the highway guardrail comprises a mounting upright post and a protective plate 8 fixed on the mounting upright post, wherein the protective plate 8 comprises the following raw materials in parts by weight: 100 parts of cobblestones, 15 parts of epoxy resin glue, 5 parts of curing agent, 2 parts of dibutyl ester, 10 parts of steel fibers, 5 parts of polyethylene fibers, 12 parts of labeled cement, 6 parts of concrete fibers, 8 parts of steel bar embedded parts and carbon fiber cloth, wherein the cobblestones have the particle size of 0.8-1.5cm, the steel fibers have the particle size of 0.5-1.2mm and the length of 25-40mm, and the carbon fiber cloth has the thickness of 0.1-1.0 mm.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood by one skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a highway guardrail, includes the installation stand, fixes the backplate on the installation stand, its characterized in that, according to the mass fraction, the backplate raw materials includes following component: 100 parts of cobblestones, 10-20 parts of epoxy resin glue, 4-10 parts of curing agent, 1-5 parts of dibutyl ester, 5-15 parts of steel fiber, 3-10 parts of polyethylene fiber, 10-15 parts of labeled cement, 3-10 parts of concrete fiber and 5-15 parts of steel bar embedded part, wherein the carbon fiber cloth is fully surrounded, the particle size of the cobblestones is 0.8-1.5cm, the particle size of the steel fiber is 0.5-1.2mm, the length of the steel fiber is 25-40mm, and the thickness of the carbon fiber cloth is 0.1-1.0 mm.
2. The road guardrail of claim 1, wherein the whole guardrail outer surface is completely surrounded by carbon fiber cloth, and the surface of the guardrail facing the road is provided with a luminous color film.
3. A road barrier as claimed in claim 2, wherein the guard plate is corrugated from top to bottom towards the side of the road.
4. A road barrier as claimed in claim 3, wherein the guard plate is provided with 2-5 peaks.
5. A road barrier as claimed in claim 3 or claim 4, wherein the guard plate is further provided with a through-hole along its length.
6. A road guardrail according to claim 5, wherein the through-holes are located at the peaks.
7. A road guardrail as claimed in claim 2 or 3, wherein the reflective film is a three-color of red, yellow and green or a two-color of yellow and green.
8. A road barrier as claimed in claim 3 or 4, wherein the side of the guard plate facing away from the road is flat or corrugated from top to bottom.
9. The road guardrail according to any one of claims 1-4 or 6, further comprising a plurality of anti-collision posts at the turning of the road, wherein the anti-collision posts comprise post bodies and mounting pipes with the bottoms fixed on the ground, the center of each post body is provided with a mounting hole for placing the mounting pipe, the two ends of each guard plate are provided with connecting pieces, and the connecting pieces and the mounting posts are fixed through bolts.
10. A method of manufacturing a road barrier according to claims 1 to 9 wherein the sheeting process comprises the steps of:
(1) prefabricating and customizing a steel bar embedded part according to the size of a casting, and placing the steel bar embedded part into a metal mold;
(2) mixing cobblestones, labeled cement, steel fibers, concrete fibers and polyethylene fibers according to a ratio, and uniformly stirring;
(3) mixing epoxy resin glue, a curing agent and dibutyl ester according to a ratio, and uniformly stirring;
(4) putting the colorful reflective film, the carbon fiber cloth and the steel bar keel into a metal mold;
(5) mixing the mixture obtained in the step (3) with the mixture obtained in the step (2), uniformly stirring, pouring into the metal mold obtained in the step (1), and performing die-casting molding by using a roller, wherein the roller is a metal molding roller with the diameter of 30-50 cm, the pressure is 50 tons or more, and the roller can be rolled and molded by selecting the modes of rotation and movement of a guardrail mold and the modes of rotation and movement of the roller;
(6) demolding after 24 hours at normal temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110887284.0A CN113756231A (en) | 2021-08-03 | 2021-08-03 | Road guardrail and manufacturing method thereof |
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| CN202110887284.0A CN113756231A (en) | 2021-08-03 | 2021-08-03 | Road guardrail and manufacturing method thereof |
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Citations (5)
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|---|---|---|---|---|
| GB1337271A (en) * | 1971-04-19 | 1973-11-14 | Titterrell W A | Shock absorbing crash barrier |
| CN2432243Y (en) * | 2000-08-04 | 2001-05-30 | 王清赞 | Spring barrier anticollision cushion for road |
| JP2002174055A (en) * | 2000-12-07 | 2002-06-21 | Toray Ind Inc | Fence structure and reinforcing method therefor |
| CN203904880U (en) * | 2014-05-26 | 2014-10-29 | 江苏方舟电器有限公司 | Polymer crash barrier |
| CN110357493A (en) * | 2019-08-01 | 2019-10-22 | 朱先智麟 | Composite fibre New Mineral founding materials and casting method |
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2021
- 2021-08-03 CN CN202110887284.0A patent/CN113756231A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1337271A (en) * | 1971-04-19 | 1973-11-14 | Titterrell W A | Shock absorbing crash barrier |
| CN2432243Y (en) * | 2000-08-04 | 2001-05-30 | 王清赞 | Spring barrier anticollision cushion for road |
| JP2002174055A (en) * | 2000-12-07 | 2002-06-21 | Toray Ind Inc | Fence structure and reinforcing method therefor |
| CN203904880U (en) * | 2014-05-26 | 2014-10-29 | 江苏方舟电器有限公司 | Polymer crash barrier |
| CN110357493A (en) * | 2019-08-01 | 2019-10-22 | 朱先智麟 | Composite fibre New Mineral founding materials and casting method |
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