가속도계를 활용한 지게차 안전사고의 해석 = Forklift Safety Accident Analysis using an Accelerometer

다국어 초록 (Multilingual Abstract)

Forklift is the vehicle that conveys loads and unloads them in industrial fields. There happens annually many accidents involved with the forklift which cost many lives. One of them is an accident due to careless driving Generally speaking when a driver leavers a vehicle, it must be in a state of complete halt. Otherwise, the vehicle on a gentle slope or by the driving power, without a controller(driver), rolls down the road and hit a pedestrian or a driver oneself. When it occurs, the victim was forced to die hit by the huge impulse of rolling vehicle which is caused by the heavy weights of ordinary cars. A forklift, for example, weighs over 3 tons. In this paper we analyzed an accident involved with a forklift. In the case when the forklift driver leaves a seat and in the process of getting out of the forklift, he may have pushed unintentionally the gear lever and letting the vehicle go without a driver. The forklift driver himself, the victim, was found dead compressed between the ongoing forklift and the container box. The victim has died from serious wounds he has received to his chest. We conducted a driving test with the accident forklift at the site. We let the forklift be in a state of forward gear and without acceleration. And then it was made to crash a silicone block leaning against the container box. The silicone dummy is a good substitute for the human chest. We could measure quantitatively the impulse and the dynamic force on the silicone block given by the forklift. The result shows that even a slow progressing vehicle could severely damage the chest of the human. The analysis agrees well with the autopsy report of the victim. And we finally, for the prevention of forklift accident, make a suggestion that a forklift should adopt the safety device such as a seat sensor which is highly urilized in heavy equipment vehicles.

참고문헌 (Reference)

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5 Occupational Safety and Health Research Institute, "Handling Manual for Safety of the Forklift"

6 "For Technical Support or Product Information Contact"

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8 Occupational Safety and Health Research Institute, "Case Report of a Pedestrian Accident Caused by a Forklift on a Slope"

9 S. Jung, "Case Report of Forklift Safety Accidents and Prevention" Occupational Safety and Health Research Institute