Principes d'installation des garde-corps routiers

04:18:06 16/04/2020

Road guardrails are generally divided into flexible guardrails, semi-rigid guardrails and rigid guardrails. Flexible guardrails generally refer to cable guardrails, rigid guardrails generally refer to cement concrete guardrails, semi-rigid guardrails generally refer to beam guardrails. Beam fence guardrails are A beam-type structure fixed by pillars, relying on the bending deformation and tensile force of the guardrail to resist the collision of the vehicle. The beam-type guardrail has certain rigidity and toughness. The deformation energy of the crossbeam absorbs the impact energy, and its damaged parts are easy to replace. The sight-inducing effect can be coordinated with the road line and has a beautiful appearance. Among them, the wave beam guardrail is the most widely used at home and abroad recently