Macroscopic and Microscopic Mechanisms of Cement-Stabilized Soft Clay Mixed with Seawater by Adding Ultrafine Silica Fume

Figure 4

Surface morphology of cemented soil under SEM.

(a) Silty clay

(b) Freshwater mixing cemented soil without silicon at the 28th day

(c) Seawater mixing cemented soil without silicon at the 28th day

(d) Seawater mixing cemented soil with ultrafine silicon at the 28th day