1. The expressway guardrail is the main form of the semi steel guardrail, it is a continuous structure which is connected by corrugated steel guardrail board and supported by a pillar.
2. It uses the deformation of the soil subgrade, column and beam to absorb the collision energy, and forces the runaway vehicle to change direction, return to the normal driving direction, prevent the vehicle from rushing out, to protect the vehicle and passengers, and reduce the damage caused by the accident.
3. Corrugated beam guardrail steel flexible phase, has a strong ability to absorb collision energy, with a better line of sight guidance function, can coordinate with the road line, beautiful appearance, can be used in small radius curve, the damage is easy to replace.
Mainly used in highways, large car parks, scenic areas, high-speed, provincial roads, rural roads and other safety Anti-collision project construction.