Statistical Characteristics of Polymer Grouting Material Microstructure

Figure 4

Microstructure of polymers at different densities. (a) 0.11 g/cm³; (b) detail of (a); (c) detail of (b); (d) 0.25 g/cm³; (e) detail of (d); (f) detail of (e); (g) 0.31 g/cm³; (h) detail of (g); (i) detail of (h); (j) 0.40 g/cm³; (k) detail of (j); (l) detail of (k); (m) 0.51 g/cm³; (n) detail of (m); (o) detail of (n); (p) 0.56 g/cm³; (q) detail of (p); (r) detail of (q).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)

(m)

(n)

(o)

(p)

(q)

(r)