The direct cause of the accident was driving an overloaded truck, and Lei, Hong Xitong, and driving a seriously overloaded vehicle that changed the shape and technical data of the motor vehicle without authorization, and drove on the right side at the same time within the range of121.96m long beam, which caused the continuous steel-concrete composite beam on the ramp to be seriously overloaded under the eccentric load. The indirect cause was dereliction of law enforcement.
The construction unit Fujian Jiao Jian Group Engineering Co., Ltd. has established the quality responsibility system according to the relevant regulations, with a sound construction quality inspection system, standardized process management and complete quality inspection records for concealed works. Every working procedure has been self-inspected, and the quality industry information is complete.
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On the morning of August 24th, the approach bridge of a new bridge in Harbin collapsed, and four trucks overturned under the bridge, killing three people and injuring five others. According to the media, the bridge is Yangmingtan Bridge, and the construction time is less than 1 year.
At noon on August 24th, the Harbin Municipal Government held its first press conference, and issued an official statement on the collapse of the bridge, informing the casualties and the situation of trucks. The relevant person in charge said in an interview after the meeting that the cause of the collapse was initially thought to be related to the overloading of trucks, and the specific reasons needed further investigation.
On the afternoon of August 25th, Harbin Municipal Government held the second press conference. It was declared that the bridge section was not Yangmingtan Bridge, and the accident was characterized as "sideslip" rather than collapse. It is said that the cause of the accident is under investigation, and the injured are doing their best to treat it, and denied that "the construction unit could not be found".
On August 27th, Harbin Municipal Government held the third press conference to inform the design unit, construction unit, supervision unit and their qualifications of the bridge section with side slip accident, and once again stressed that the ramp with accident has nothing to do with Yangmingtan Bridge.
References:
Baidu Encyclopedia-August 24, Harbin Yangmingtan Bridge collapse accident