Abstract
In this paper, one dimensional thaw consolidation behaviors with periodical thermal boundaries were studied. A new numerical simulation method was proposed to implement thaw consolidation calculation. Thaw consolidation tests were conducted to verify the validity of new proposed method. It was proved that the simulated data have a good agreement with tested results. Due to the influence of periodical thermal boundary, Thaw Consolidation Degree (TCD) changes periodically, which is the most significant difference from that of constant thermal boundary problems. At the same time, peak values of TCD in each freeze-thaw cycle decreases continuously with time and tends to be the value of TCD 0 obtained from constant thermal boundary, which is equal to the corresponding average temperature of periodical thermal boundary. The attenuation process of TCD is proportionally related to thaw consolidation Ratio (R).
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