Curing Effect and Mechanism of Silt Treated with Ionic Soil Stabilizer and Cement
Ionic soil stabilizer(ISS)and cement curing sludge were studied.The effect of the combination of ionic soil stabilizer(ISS)and Portland cement on the stability of marine silt was studied by Atterberg limit,moisture content,pH value,unconfined compression test(UCT)and direct shear test(DST).The results show that the optimal ratio of ISS∶water ratio is 1∶50,and the addition of NaOH further significantly reduces the water content of the solidified soil,resulting in a great increase in strength.ISS-NaOH-Cement solidified soil sample has the best reinforcement effect.The combination of the stabilizer can not only save the amount of cement,but also speed up the curing speed,shorten the setting time of cement within 7 days,meet the curing requirements,and improve the strength of solidified soil.
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