High-performance UHPC (Ultra High Performance Concrete) anti-collision facility for highway

Abstract

The utility model relates to the technical field of road facilities, and particularly discloses a high-performance UHPC (Ultra High Performance Concrete) anti-collision facility for a highway, which comprises a UHPC base plate, polyurethane filling foam, resin mortar and a polyurea coating, the polyurethane filling foam is embedded in the UHPC base plate, the resin mortar is fixedly connected with the polyurethane filling foam and is positioned at the upper end of the polyurethane filling foam, and the polyurea coating is arranged in the UHPC base plate. And the outer surface walls of the UHPC substrate and the resin mortar are uniformly coated with the polyurea coating. The impact force generated when traffic accidents happen can be effectively resisted, the anti-collision capacity is provided through the UHPC base plate, the polyurethane filling foam, the resin mortar and the polyurea coating, the impact resistance is improved, the impact force absorption capacity is high, damage is not likely to happen after collision, and the overall strength is provided.

Description

Technical Field

[0001] The utility model relates to the technical field of road facilities, in particular to a high-performance UHPC anti-collision facility for highways. Background Art

[0002] At present, road anti-collision facilities are an important part of ensuring road traffic safety. Their design and application are of great significance to reducing traffic accidents and ensuring driving safety. The existing road anti-collision facilities are mainly divided into guardrails, isolation facilities and anti-collision piles, etc. Their purpose is to ensure driving safety, effectively prevent vehicles from running off the road due to loss of control, and reduce the occurrence of traffic accidents.

[0003] However, in the prior art, the anti-collision facilities on the road have poor anti-collision effects and absorb the impact force generated by the collision slowly, resulting in insufficient anti-collision strength of the anti-collision facilities, and they are easily damaged after being hit. Utility Model Content

[0004] The utility model aims to provide a high-performance UHPC anti-collision facility for roads, aiming to solve the technical problems that the anti-collision facilities of roads in the prior art have poor anti-collision effect, absorb the impact force generated by the collision slowly, resulting in insufficient anti-collision strength of the anti-collision facilities, and are easily damaged after being hit.

[0005] To achieve the above-mentioned purpose, the utility model adopts a high-performance UHPC anti-collision facility for highways, including a UHPC substrate, a polyurethane filling foam, a resin mortar and a polyurea coating, wherein the polyurethane filling foam is embedded in the interior of the UHPC substrate, the resin mortar is fixedly connected to the polyurethane filling foam and is located at the upper end of the polyurethane filling foam, and the polyurea coating is uniformly coated on the outer wall of the UHPC substrate and the resin mortar.

[0006] The high-performance UHPC anti-collision facility for highways also includes a plurality of rubber blocks, each of which is embedded in the polyurethane filling foam and located between the UHPC substrate and the resin mortar.

[0007] Among them, the high-performance UHPC anti-collision facility for highway also includes a secondary energy absorption substrate, an energy absorption card plate, an energy absorption column and an energy absorption rubber column. The number of the energy absorption columns is multiple, and each of the energy absorption columns is transversely embedded in the interior of the secondary energy absorption substrate. The number of the energy absorption rubber columns is multiple, and each of the energy absorption rubber columns is located at the upper end of the multiple energy absorption columns, and the upper end of each of the energy absorption rubber columns is rounded. The energy absorption card plate is fixedly connected to the UHPC substrate and is located at the lower end of the UHPC substrate. The energy absorption card plate is embedded in the interior of the secondary energy absorption substrate.

[0008] Among them, the high-performance UHPC anti-collision facility for highway also includes energy-absorbing springs, and the number of the energy-absorbing springs is multiple. Each of the energy-absorbing springs is respectively sleeved on the outer wall of the corresponding energy-absorbing rubber column, and each of the energy-absorbing springs is respectively arranged between the energy-absorbing card plate and the multiple energy-absorbing columns.

[0009] The high-performance UHPC anti-collision facility for highways further comprises a ring plate, which is fixedly connected to the UHPC substrate and sleeved on the outer surface wall of the UHPC substrate.

[0010] The utility model discloses a high-performance UHPC anti-collision facility for highways. The polyurethane filling foam and the resin mortar are used to fill the UHPC substrate. The polyurethane filling foam has good elasticity, elongation, compression strength and softness, high density and durability, and can effectively absorb and disperse impact force. The resin mortar has high adhesion, can ensure the stability of the polyurethane filling foam, and has good toughness and impact resistance. The polyurea coating has the characteristics of waterproofness, weather resistance, corrosion resistance, wear resistance and elasticity. At the same time, the UHPC substrate constitutes a high-strength bottom plate structure to avoid damage when impacted and improve impact resistance. Through the arrangement of the above structure, the impact force generated when a traffic accident occurs can be effectively resisted. The UHPC substrate, the polyurethane filling foam, the resin mortar and the polyurea coating provide anti-collision ability, improve impact resistance, have a fast absorption capacity for impact force, are not easily damaged after a collision, and provide overall strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0013] Figure 2 It is a partial structural sectional view of the first embodiment of the utility model.

[0014] Figure 3 It is a structural schematic diagram of the second embodiment of the utility model.

[0015] 101-UHPC substrate, 102-polyurethane filling foam, 103-resin mortar, 104-polyurea coating, 105-rubber block, 201-secondary energy absorption substrate, 202-energy absorption card board, 203-energy absorption column, 204-energy absorption rubber column, 205-energy absorption spring, 206-ring plate. DETAILED DESCRIPTION

[0016] The first embodiment of the present application is:

[0017] See also Figure 1 and Figure 2 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 It is a partial structural sectional view of the first embodiment of the utility model.

[0018] The utility model provides a high-performance UHPC anti-collision facility for highways, comprising a UHPC substrate 101, a polyurethane filling foam 102, a resin mortar 103, a polyurea coating 104 and a rubber block 105.

[0019] According to this specific embodiment, the polyurethane filling foam 102 and the resin mortar 103 are used to fill the UHPC substrate 101 , and the rubber block 105 is embedded in the polyurethane filling foam 102 , which can effectively improve the impact resistance.

[0020] The polyurethane filling foam 102 is embedded in the UHPC substrate 101, the resin mortar 103 is fixedly connected to the polyurethane filling foam 102 and is located at the upper end of the polyurethane filling foam 102, the polyurea coating 104 is evenly coated on the outer wall of the UHPC substrate 101 and the resin mortar 103, the polyurethane filling foam 102 and the resin mortar 103 fill the UHPC substrate 101, the polyurethane filling foam 102 has good elasticity, elongation, compression strength and softness, high density and durability, can effectively absorb and disperse impact force, the resin mortar 103 has high adhesion, can ensure the stability of the polyurethane filling foam 102, and has good toughness and impact resistance, the polyurea coating 104 has waterproof, weather resistance, corrosion resistance, wear resistance and elasticity, and at the same time, the UHPC substrate 101 constitutes a high-strength bottom plate structure to avoid damage when impacted and improve impact resistance.

[0021] Secondly, there are multiple rubber blocks 105, each of which is embedded in the polyurethane filling foam 102 and located between the UHPC substrate 101 and the resin mortar 103. The rubber block 105 is embedded in the polyurethane filling foam 102, which can improve the strength of the polyurethane filling foam 102 and further improve the impact resistance and elasticity.

[0022] When using a high-performance UHPC anti-collision facility for highways according to this embodiment, the polyurethane filling foam 102 and the resin mortar 103 are used to fill the UHPC substrate 101. The polyurethane filling foam 102 has good elasticity, elongation, compression strength and softness, high density and durability, and can effectively absorb and disperse impact force. The resin mortar 103 has high adhesion, which can ensure the stability of the polyurethane filling foam 102, and has good toughness and impact resistance. The polyurea coating 104 has waterproofness, weather resistance, corrosion resistance, wear resistance and elasticity. At the same time, the UHPC substrate 101 constitutes a high-strength bottom plate structure to avoid damage when impacted and improve impact resistance. The rubber block 105 is embedded in the polyurethane filling foam 102, which can improve the strength of the polyurethane filling foam 102, and further improve the impact resistance and elasticity, and can further improve the anti-collision performance.

[0023] The second embodiment of the present application is:

[0024] Based on the first embodiment, please refer to Figure 3 ,in Figure 3 It is a structural schematic diagram of the second embodiment of the utility model.

[0025] The utility model provides a high-performance UHPC anti-collision facility for highways, which also includes a secondary energy-absorbing base plate 201, an energy-absorbing card plate 202, an energy-absorbing column 203, an energy-absorbing rubber column 204, an energy-absorbing spring 205 and a ring plate 206.

[0026] According to this specific embodiment, the energy absorbing card plate 202 is squeezed by the UHPC substrate 101, and then squeezed by the energy absorbing column 203 and the energy absorbing rubber, so as to unload the force through squeezing rebound, thereby improving the impact resistance.

[0027] There are multiple energy-absorbing columns 203, each of which is transversely embedded in the secondary energy-absorbing substrate 201. There are multiple energy-absorbing rubber columns 204, each of which is located at the upper end of the multiple energy-absorbing columns 203, and the upper end of each energy-absorbing rubber column 204 is rounded. The energy-absorbing card plate 202 is fixedly connected to the UHPC substrate 101 and is located at the lower end of the UHPC substrate 101. The energy-absorbing card plate 202 is embedded in the secondary energy-absorbing substrate 201. When a collision occurs, the UHPC substrate 101 is The energy absorbing card plate 202 is squeezed so that the energy absorbing card plate 202 shrinks and moves into the secondary energy absorbing substrate 201, thereby squeezing the energy absorbing rubber column 204 and the energy absorbing column 203 through the energy absorbing card plate 202, and unloading the force through the energy absorbing rubber column 204 and the energy absorbing column 203. The energy absorbing column 203 adopts a hexagonal structure, which can better resist deformation and damage when impacted. At the same time, the end of the energy absorbing rubber column 204 is rounded. When squeezed, the contact area with the energy absorbing card plate 202 is continuously increased, thereby continuously improving the shock absorption strength and improving the shock absorption efficiency.

[0028] Secondly, there are multiple energy absorbing springs 205, each of which is respectively sleeved on the outer wall of the corresponding energy absorbing rubber column 204, and each of which is respectively arranged between the energy absorbing clamping plate 202 and the multiple energy absorbing columns 203. After the energy absorbing rubber column 204 is continuously squeezed, the energy absorbing clamping plate 202 squeezes the energy absorbing spring 205, so that the energy absorbing spring 205 performs elastic force unloading, thereby further improving the unloading capacity.

[0029] At the same time, the ring plate 206 is fixedly connected to the UHPC substrate 101 and sleeved on the outer wall of the UHPC substrate 101. The ring plate 206 fills the gap between the UHPC substrate 101 and the secondary energy absorption substrate 201, thereby improving the neatness and aesthetics during installation.

[0030] When a high-performance UHPC anti-collision facility for highways of this embodiment is used, when a collision occurs, the UHPC substrate 101 squeezes the energy-absorbing card plate 202, so that the energy-absorbing card plate 202 shrinks and moves into the secondary energy-absorbing substrate 201, thereby squeezing the energy-absorbing rubber column 204 and the energy-absorbing column 203 through the energy-absorbing card plate 202, and unloading the force through the energy-absorbing rubber column 204 and the energy-absorbing column 203. The energy-absorbing column 203 adopts a hexagonal structure, which can better resist deformation and damage when impacted, and at the same time The end of the energy-absorbing rubber column 204 is rounded, and when squeezed, the contact area with the energy-absorbing card plate 202 is continuously increased, thereby continuously improving the shock absorption strength and the shock absorption efficiency. After the energy-absorbing rubber column 204 is continuously squeezed, the energy-absorbing card plate 202 squeezes the energy-absorbing spring 205, so that the energy-absorbing spring 205 performs elastic force unloading, thereby further improving the unloading capacity. The ring plate 206 fills the gap between the UHPC substrate 101 and the secondary energy-absorbing substrate 201, so as to improve the neatness and aesthetics during installation.

[0031] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A high-performance UHPC anti-collision facility for highways, characterized in that: The invention comprises a UHPC substrate, a polyurethane filling foam, a resin mortar and a polyurea coating, wherein the polyurethane filling foam is embedded in the interior of the UHPC substrate, the resin mortar is fixedly connected to the polyurethane filling foam and is located at the upper end of the polyurethane filling foam, and the polyurea coating is uniformly coated on the outer surface of the UHPC substrate and the resin mortar.

2. A high-performance UHPC anti-collision facility for highways as claimed in claim 1, characterized in that: The high-performance UHPC anti-collision facility for highways also includes a plurality of rubber blocks, each of which is embedded in the interior of the polyurethane filling foam and is located between the UHPC substrate and the resin mortar.

3. A high-performance UHPC anti-collision facility for highways as claimed in claim 2, characterized in that: The high-performance UHPC anti-collision facility for highway also includes a secondary energy-absorbing substrate, an energy-absorbing cardboard, an energy-absorbing column and an energy-absorbing rubber column. There are multiple energy-absorbing columns, each of which is transversely embedded in the secondary energy-absorbing substrate. There are multiple energy-absorbing rubber columns, each of which is located at the upper end of the multiple energy-absorbing columns, and the upper end of each energy-absorbing rubber column is rounded. The energy-absorbing cardboard is fixedly connected to the UHPC substrate and is located at the lower end of the UHPC substrate. The energy-absorbing cardboard is embedded in the secondary energy-absorbing substrate.

4. A high-performance UHPC anti-collision facility for highways as claimed in claim 3, characterized in that: The high-performance UHPC anti-collision facility for highways also includes energy-absorbing springs, and the number of the energy-absorbing springs is multiple. Each of the energy-absorbing springs is respectively sleeved on the outer wall of the corresponding energy-absorbing rubber column, and each of the energy-absorbing springs is respectively arranged between the energy-absorbing card plate and the multiple energy-absorbing columns.

5. A high-performance UHPC anti-collision facility for highways as claimed in claim 4, characterized in that: The high-performance UHPC anti-collision facility for highways also includes a ring plate, which is fixedly connected to the UHPC base plate and sleeved on the outer surface wall of the UHPC base plate.

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