Fig. 14

SEM images of unsolidified and solidified loess: (a) loess soil 100×; (b, c) EICP solidified loess soil 100× and 1000×; (d, e) EICP-phosphogypsum solidified loess soil 100× and 200×.
SEM images of unsolidified and solidified loess: (a) loess soil 100×; (b, c) EICP solidified loess soil 100× and 1000×; (d, e) EICP-phosphogypsum solidified loess soil 100× and 200×.