Study on the Effects of Soft Soil curing agent on the Properties of Different Soils

This study systematically evaluates the engineering performance improvement of Soft Soil curing agent on four typical special soils: demolition waste, marine mud, shielded soil, and nuclear power station soil. Results indicate that without the addition of stabilizer, these soils exhibit poor workability, low strength, or setting difficulties; specifically, demolition waste remains unsetting with extremely low strength (0.11 MPa at 7d), marine mud suffers severe bleeding and fails to set even after 28 days, while shielded soil and nuclear power station soil demonstrate slow setting and insufficient early strength. With increased stabilizer dosage (10%–30%), significant improvements in flowability are observed, along with markedly shortened initial and final setting times, and linear growth in unconfined compressive strength. Notably, bleeding is completely inhibited in marine mud when the dosage reaches ≥20%. Although shielded soil contains foam agents that delay hydration, high dosages can still accelerate the reaction. For nuclear power station soil, the strength peaks around a dosage of 20%. This technology not only solves the difficult problem of special soil solidification but also achieves resource conservation and environmental emission reduction, demonstrating significant economic and environmental benefits.