What Are Highway Guardrails Made Of?
W beam guardrails are the most commonly used barriers in the United States, serving as a standard for highways and interstate systems.
Highway guardrails are essential safety devices used in road construction to prevent vehicles from leaving the roadway and entering into hazardous areas such as steep embankments, water bodies, or roadside hazards. Guardrails are designed to absorb the impact of a vehicle, reduce the severity of accidents, and protect the motorists and passengers from fatal injuries. But have you ever wondered what highway guardrails are made of?
Materials Used in Highway Guardrails
Guardrails are made of a combination of materials that include the barrier rail itself, posts, end terminals, and other hardware. The barrier rails are usually made of steel or aluminum and come in several types, including W Beam Guardrail, box beam guardrail, and cable barrier systems.
W Beam Guardrails
W beam guardrails are the most commonly used barriers in the United States, serving as a standard for highways and interstate systems. The guardrail is made of 12-gauge or 10-gauge steel sheets formed into a W shape to increase strength and rigidity. These rails are hot-dip galvanized, which means they are coated in a thin layer of zinc to protect against corrosion and rust. Galvanized Highway Guardrail is durable, long-lasting, and cost-effective, making it an ideal choice for highway safety.
Box Beam Guardrails
Box beam guardrails are an alternative to W-beam guardrails. These guardrails are made up of rectangular-shaped steel tubing, which is fabricated into a rectangular shape creating a box-type beam. They are known for their high impact resistance and long life expectancy.
Cable Barrier Systems
Cable barrier systems are the most recent innovation in highway guardrails. They consist of steel cables that are held in place by posts and end terminals. Cable barrier systems are known for their flexibility and energy-absorbing ability, which makes them perfect for high-speed crashes.
Posts and End Terminals
The posts and end terminals are crucial elements of any guardrail system. They provide support for the barrier rail and absorb the energy from the impact of a collision. These components are made of steel or concrete.
Conclusion
In conclusion, highway guardrails play a vital role in ensuring the safety of motorists and passengers on roads. These barriers are designed to withstand high impacts, prevent accidents, and reduce the severity of injuries. The most commonly used guardrail systems include W beam guardrail, box beam guardrail, and cable barrier systems, all made of a combination of steel or aluminum. For optimal performance, it's crucial to select the best supplier for highway guardrails. If you're interested in highway guardrails, feel free to contact us for quality, affordable, and reliable guardrail systems.
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