Purdue has a large scale civil engineering testing facility with over 50.000sqft of testing area indoors. The floor is 14ft thick and supported by 5ft diameter piers reaching a 45ft depth! Capable of a 1,000,000lb load with only .1″ of deflection.
The building was built several years ago and allows researchers to test large scale structural models. Purdue houses one of the most advanced and largest testing facilities in the world.