What are the aspects of road guardrail design?
Highway guardrail: rigid guardrail, semi-rigid guardrail, flexible guardrail.General subgrade guardrail adopts semi-rigid guardrail more, such as: waveform guardrail; for the lower slope is very high (more than 20 meters) position, you can set up rigid guardrail,
Such as: reinforced concrete guardrail, mortar rubble fence; for slope height (less than 8 meters), but also prevent people across the road, you can also set the flexible cable guardrail guardrail, such as.
Other answersRoad guardrail in the security building traffic facilities market can also be called traffic guardrail or municipal guardrail. This series of products is mainly in order to regulate the road traffic order and mobility. In order to improve the road vehicle traffic speed. To prevent illegal U-turn vehicles at random. The protection of pedestrians and non motor vehicles crossing the road traffic safety can be effectively. The prevention of road traffic accidents. To reduce the traffic accident losses. Design of road guardrail should be considered from which aspects?There are three aspects to consider in the design of road guardrail:A structural safety design: in order to meet the needs of municipal traffic management. The road guardrail assembly technology design. Manufacture. Surface coating production and installation. In order to ensure high strength of municipal traffic guardrail. High safety requirements. The steel of different materials. The reasonable structure design and component design to meet the requirements the security strength of different installation methods. Using assembled to convenient economy. Without the need of professional and technical personnel to participate. To meet the special needs of municipal traffic. When the barrier is damaged by accident. No need to replace the whole. Just use professional tools to replace the damaged part. The municipal traffic control department and can save a lot of money in the installation and maintenance human.
The guardrail design mainly considers the anti-collision ability, and the anti-collision ability is related to the speed, the quality and the impact angle of the anti-collision vehicle. According to the design code requirements, China's highway guardrail design indicators are as follows:
