Table 4: Forces at the zero and peak displacements of the MHD under cyclic loading (60 mm peak displacement).

Cycle No. Positive force at zero disp. Negative force at zero disp.Positive force at
+60 mm disp.
Negative force at
−60 mm disp.
(kN)Deviation from average (%) (kN)Deviation from average (%) (kN)Deviation from average (%) (kN)Deviation from average (%)

203.42.3
205.81.1
207.30.4
208.20.0
208.80.3

Average206.7