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Knowledge of Road Guardrails of Chinese Standards

There are many types and categories of corrugated guardrails.

Commonly used roadside wave beam guardrails can be divided into five grades according to the anti-collision level, B, A, SB, SA, and SS. The highway anti-collision guardrail is a typical cold-formed steel product.
The common specifications for the two-wave guardrail are 4320mm × 310mm × 85mm × 3 / 4mm, and the column is 114 / 140 mm × 4.5mm.

The common specifications of the three-wave guardrail are 4320mm × 506mm × 85mm × 3 / 4mm, and the column is 130mm × 130mm × 6mm.

Waveform beam guardrails are generally classified by installation location and collision level. 
According to the location, it can be divided into a roadside guardrail and a central divider with a guardrail. 
According to the anti-collision level, it can be generally divided into level A and level B
The Class A guardrail is of a reinforced type and suitable for  particularly dangerous road sections. Class B is used for special roads.
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