Influence of Water Pressure on the Mechanical Properties of Concrete after Freeze-Thaw Attack under Dynamic Triaxial Compression State

Figure 15

SEM images (magnification 1000×) of the specimen after F-T cycles and triaxial compression: (a) 0 cycle and strain rate of 1 × 10⁻⁴·s⁻¹; (b) 50 cycles and strain rate of 1 × 10⁻⁴·s⁻¹; (c) 100 cycles and strain rate of 1 × 10⁻⁴·s⁻¹; (d) 100 cycles and strain rate of 1 × 10⁻³·s⁻¹.

(a)

(b)

(c)

(d)