With a 15.5 m depth and a 4. m diameter, this clump in reinforced concrete has a mass of 1,059 tons. Thanks to some actuators, which can be planted in several places, the Iris pit authorizes mechanical excitements on large height structures such as nuclear reactor control rods.
Maximum height of the specimen | 27 m |
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Excitement axis | Tri-axial |
X or Y or Z | |
1 degree of freedom | |
Strength of actuators | 3 x 25 kN |
Maximum displacement | X ± 125 mm |
Y ± 125 mm | |
Z ± 125 mm | |
Maximum speed | 1 m/s |
Excitement frequencies | 0 to 30 Hz |