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The weight of the car is mainly concentrated in the chassis. In short, the height of your seat is not the height of the center of gravity of the vehicle. And the vehicle you imagine needs enough angular momentum to turn over the guardrail. Therefore, in general, as long as the height of the guardrail can stop the wheels.

The material and use characteristics of the corrugated guardrail

Corrugated guardrail national standard q195, low-carbon steel plate, etc.; surface treatment: plastic dipping after extrusion molding; electrogalvanized/hot-dip galvanized steel sheet can also be dipped in plastic or sprayed after stamping; low carbon steel blackboard is dipped in plastic after extrusion molding ;Low carbon steel blackboard is extruded and then galvanized and dipped/sprayed; the dipped material is (pvc&pe); scope of application: safe collision avoidance for highways, large parking lots, etc.; product features: bending increases aesthetics , at the same time increase the strength of the mesh, both; Extruded by the automatic production line, the surface is clean and undamaged, and the anti-corrosion is extremely strong; the surface treatment method is mature; pe&pvc material is non-toxic and harmless, anti-corrosion, anti-aging, anti-sun , high resistance, low temperature and other characteristics, the service life in the outdoor environment can reach 10-20 years; the product structure is concise, beautiful and practical, easy to transport and install, good anti-theft performance, and is not limited by the actual terrain, suitable for mountains, slopes, and more curved areas It has strong adaptability, moderate cost, and is suitable for large-scale application.

Therefore, the minimum height of the center of the guardrail board in the national standard should not be lower than 0.6m, which is calculated theoretically and takes safety into consideration.

In fact, what really affects the function of the guardrail is the part invisible to the naked eye, the depth of the guardrail's embedment, the strength of the foundation, and the quality of the components. To put it bluntly, as long as the guardrail is strong enough, it can prevent most accidents.