Monday, 10 October 2011

Failure Of Building Foundation


HINT:  Why is this new apartment building laying on its side in Shanghai?
Apt Building Down
Answer:  Someone violated the Cone of Compression.  It seems someone decided to dig out a hole next to the building to build an underground parking garage.  That is where the Cone of Compression is.  The space below and adjacent to the foundation at a 45 degree angle cannot be tampered with or the Cone loses its structural integrity.
Cone of Compression
They put the dirt on the other side of the building for short term storage.  The weight of that dirt put lateral pressure on the foundation which was compounded by rain and voila, the lateral pressure pushed the building towards the hole and sheared off the foundation piers.  If there had been another building next to the one that fell, a domino effect would have occurred.
Results

1 comment:

Anonymous said...

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