Rollover Accident Model and Injury Mechanism of Occupants in Bus

In order to analyze injury mechanism of occupants in buses when rollover accidents occur, causes of rollover accident and rolling process were analyzed. And rollover accidents were classified to tripped rollover and un-tripped rollover, critical collision force model and rollover velocity model were established. Roller model was applied to calculate vehicles position. Main injured parts of occupants after rollover accidents were researched, especially the injury index of occupants head, neck, chest and pelvic bones. At last, preventive countermeasures were presented. Results conduce to analyze injury causes of occupants in bus and provide references for accident reconstruction.