The cause of a building collapse in Shanghai was due to a pressure difference on two sides of the structure, according to an investigation report released at a government press conference on July 3, Friday morning.
During construction, a 4.6-meter-deep underground garage was dug on the south side of the building while a mound of soil heaped up to 10 meters high was located on the other side. This caused a difference in pressure on two sites of the building, which resulted in its collapse.
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Pressure difference cause of Shanghai building collapse