Aiming at the fluidization phenomenon of iron concentrate in ship transportation, the material column was used to simulate the change of pore water pressure in the vertical direction of iron concentrate samples by using saturated iron concentrate samples and six-degree-of-freedom swing experimental bench, and the changes of superwater pressure at each monitoring point in the material column model under different peak accelerations were mainly studied, so as to judge the fluidization of iron concentrate in the material column. The experimental results show that the excess pore water pressure increases to a certain extent after the external load is applied, and with the increase of the peak acceleration of the external load, the time for the excess pore water pressure to reach the peak decreases, the lower external load peak acceleration reaches the higher excess pore water pressure, the excess pore water pressure gradually decreases after reaching the peak, and finally reaches the equilibrium pore water pressure state
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