Research Article

Experimental Study on the Effect of Freezing and Thawing on the Shear Strength of the Frozen Soil in Qinghai-Tibet Railway Embankment

Figure 7

Internal friction angle φ-temperature curve of 1.6 g/m3 dry density sample groups. (a) FT1. (b) FT2. (c) FT3. (d) FT4.
(a)
(b)
(c)
(d)