Experiment on Vehicle Impact with Different Guardrails

In the crash between vehicle and highway barrier,the highway guardrail not only has the functions to resist and guide the vehicle,but also has the character of absorption to minimize injury of occupants caused by excessive deformationy of cab or secondary impact.The impact experiments are carried out under the conditions of different structured guardrails,the dynamic characteristic and the relations among guardrail,vehicle and occupants are analyzed.The results are beneficial to the design of vehicle and guardrail?