一辆宇通大客车,2009年4月23日上午在千岛湖区域某公路行驶途中,驶出路肩,翻入落差约35 m、深约2 m的湖水中,造成有人员死伤的重大交通事故,产生了不良的社会影响。有关部门要求查明事故原因,分清事故责任。本着科学严谨、实事求是的态度,笔者参与了调查、取证、检验、鉴定和事故定性等过程。从维护作业项目到修理过程、上线检测情况、车辆安全门检、事故车的现状给予综合技术剖析。 A Yutong bus, on the morning of April 23, 2009, traveled on a road in the area of ​​Thousand-Isles Lake in the morning and left the road shoulder into a lake with a drop of about 35 m and a depth of about 2 m, resulting in a major traffic accident with casualties. Produced a negative social impact. Relevant departments asked to identify the cause of the accident, distinguish the responsibility of the accident. In the scientific rigor, the attitude of seeking truth from facts, I participated in the investigation, evidence collection, testing, identification and accident qualitative process. From the maintenance of the project to the repair process, on-line testing, vehicle safety inspection, the status of the accident car to give a comprehensive technical analysis.