Layered Grouting Technology Based on a Comprehensive Water-to-Cement Ratio for the Overlying Loess Stratum of Urban Shallow Tunnels

Figure 3

Triaxial shear test stress-strain curves of reinforced loess. (a) Test-1. (b) Test-2. (c) Test-3. (d) Test-4. (e) Test-5. (f) Test-6. (g) Test-7. (h) Test-8. (i) Test-9.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)