T Calibration of jacks with loading capacity of up to 500
tons performed by means different methods:
Loading and measuring in horizontal closed frame (Fig.
4): 1 is an horizontal frame, 2 is an hydraulic jack, 3 is a
Load Cell;
Loading and measuring by several steel cables (Fig. 5): 1
are steel cables, 2 is an hydraulic jack, 3 is a hollow Load
Cell;
Loading and measuring in vertical closed frame (Fig. 6):
1 is a vertical frame, 2 is an hydraulic jack, 3 is a Load Cell
3