SHPB Test and Microstructure Analysis on Ready-Mixed Concrete in Uniaxial Load and Passive Confining Pressure States

Figure 15

SEM images of ready-mixed concrete with different water contents and storage periods. (a) WC1.5-SP3. (b) WC1.5-SP7. (c) WC1.5-SP15. (d) WC1.5-SP30. (e) WC2.0-SP30. (f) WC1.0-SP30.

(a)

(b)

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(f)