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What are the factors that cause damage to highway guardrails?

Release time:2024-12-04 Source:This website
What are the factors that cause damage to highway guardrails?

Highway guardrails are a common and important facility on highways, which can reduce the losses caused by accidents and protect the safety of passengers in case of accidents.

So, the maintenance and replacement of guardrails is also an extremely important task. So, what are the reasons for the damage of highway guardrails?

There are two main reasons for the damage of highway guardrails:

Natural factors

The highway guardrail panels are installed on both sides of the road and are subjected to harsh weather conditions, resulting in varying degrees of damage and oxidation rust on the surface of the guardrail panels. When the guardrail board rusts, it accelerates the rate of secondary oxidation, greatly reducing the service life of the guardrail board.

Human factors

When a vehicle collides with it, due to the excellent collision resistance and energy absorption of the corrugated steel guardrail on the highway, it is not easily damaged and can provide good protection for the vehicle and passengers. When road maintenance or other reasons require merging, it is convenient to pull out and remove the various guardrail columns at the opening to open a passage for vehicle traffic. Guardrail boards not only protect the safety of vehicles and personnel, but also cause corresponding damage to highway guardrails.

Therefore, after the installation of the guardrail board on the road, regular maintenance and repair should be carried out to effectively ensure the extension of the guardrail board's service life.


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    Road guardrails are welded from galvanized pipes and are used for guardrail protection in highways, railways, airports, residential areas, ports and docks, gardens, animal husbandry, and other areas. Product features: anti-corrosion, anti-aging, sun resistance, weather resistance, and other characteristics. The forms of anti-corrosion include electroplating, hot-dip coating, spray coating, and immersion coating. How to do daily nursing work well?

    1. The microcomputer automatic tracking system is easy to drive and ensures the distance between the vehicle and the guardrail, preventing the guardrail from being pulled down or off center.

    2. Highway guardrail cleaning vehicle: suitable for cleaning city road isolation guardrails, highway guardrails, and brushing walls on both sides of the road.

    3. No matter how serious the pollutants are cleaned, no cleaning agents should be added to the cleaning solution, as cleaning agents will reduce the friction between the cleaning brush and the cleaning surface, affecting the cleaning effect.

    4. The grid structure is concise, aesthetically pleasing, and practical, requiring frequent rinsing.

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    The function of guardrails is to improve safety and reduce casualties and losses in traffic accidents. From the perspective of traffic hazards, airbags, seat belts, and road guardrails are all indispensable in cars. A good road guardrail can also improve a common problem in cities nowadays - traffic congestion.


    2024-12-04
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