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TANKS THAT FAILED DUE TO INTERNAL VACUUM

Failure occurs in many cases due to errors during operations of a tank. If a tank is suddenly emptied, an internal vacuum is produced that lead to a catastrophic collapse. Vacuum causes implosion of a tank, i.e. the tank collapses towards the inside.

 

Tank collapsed due to internal vacuum in Germany. Notice that the deflections occur in several parts of the tank around the circumference, not just in one sector. (Hornung and Saal, 2002)

Spherical tank that failed due to internal vacuum in Pe˝uelas, Puerto Rico.

Tank with dome roof that failed due to internal vacuum in Pe˝uelas, Puerto Rico.

   
This research was supported by NSF-CCLI, DUE-0736828: "A Computer-Based Simulated Environment to Learn on Structural Failures in Engineering"