Abstract
To protect the marine environment, a kind of new composite curing agent was used to solidify dredged soil. The compression test and direct shear test were conducted to make experimental study on solidified soil of 2 curing time and 4 curing agent content, and to analyze the effects made by curing time and curing agent upon soil shear strength and soil compression modulus. The results show the increase of curing time raises compression modulus and soil cohesion to some extent but affects soil internal friction angle slightly. The rise of curing agent content makes a significant growth of compression modulus and cohesion. The compression modulus and cohesion of 7%-curing-agent solidified soil are respectively 1.57 and 15.8 times those of plain soil. But curing agent impacts slightly on the increase of internal friction angle. The maximum growing rate of internal friction angle is just 18.2%.
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