Industry News
Application and explanation of high-speed guardrails:
Highway guardrail is an important traffic safety facility, mainly used on highways, expressways and other roads. Its function is to prevent vehicles from losing control and rushing out of the road, and to protect the safety of vehicles and passengers. The following is about the application and explanation of high-speed guardrails:
Application scenarios:
On both sides of the road: installed on both sides of the road to prevent vehicles from deviating from the road or rushing out of the road.
Central median: set in the central median to separate oncoming vehicles and avoid frontal collisions.
Bridges and tunnels: In special sections such as bridges and tunnels, high-speed guardrails can provide additional protection to prevent vehicles from falling or colliding with tunnel walls.
Curves and ramps: In dangerous sections such as curves and ramps, high-speed guardrails can guide vehicles and reduce the occurrence of accidents.
Type characteristics:
Wave guardrail: It is a semi-rigid guardrail composed of wave steel plates and columns. Has a strong ability to absorb collision energy, which can effectively reduce vehicle damage and casualties. At the same time, waveform guardrails also have good visual guidance function, which can guide drivers to drive correctly.
Concrete guardrail: It is a rigid guardrail composed of concrete blocks and columns. It has high strength and stability, and can effectively block the impact of vehicles. However, the visual guidance function of concrete guardrails is poor and needs to be used in conjunction with other traffic safety facilities.
Cable guardrail: It is a flexible guardrail composed of steel cables and columns. It has good elasticity and cushioning performance, and can effectively absorb the collision energy of vehicles. However, the cost of cable guardrails is relatively high and requires regular maintenance. roller barrier
Installation method:
Column installation: The column is the supporting structure of the high-speed guardrail, and its installation quality directly affects the stability and safety of the guardrail. The installation methods of columns mainly include driving method, drilling method, and concrete foundation method.
Installation of waveform beams: Waveform beams are the main component of high-speed guardrails, and their installation quality directly affects the protective performance and aesthetics of the guardrail. The installation methods of corrugated beams mainly include splicing and welding.
Installation of connectors: Connectors are the connecting structures of high-speed guardrails, and their installation quality directly affects the overall integrity and stability of the guardrail. The installation methods of connectors mainly include bolt connection method and welding method.
Maintenance and upkeep:
Regular inspection: Regularly inspect the appearance, structure, and connectors of high-speed guardrails, and promptly address any issues found.
Cleaning and maintenance: Regularly clean the surface of the highway guardrail to maintain its cleanliness and beauty.
Anti corrosion treatment: Regularly carry out anti-corrosion treatment on high-speed guardrails to extend their service life.
Replacement and repair: Timely replace damaged high-speed guardrail components to ensure their protective performance and safety.
In short, highway guardrails are important traffic safety facilities, and their application and explanation are of great significance for ensuring road traffic safety. In practical applications, appropriate types and installation methods of high-speed guardrails should be selected based on factors such as road characteristics and traffic flow, and maintenance should be strengthened to ensure their normal operation and protective effect.
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Date: 2024/9/7
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