Strength Characteristics, Ultrasonic Wave Velocity, and the Correlation between Them in Clay Bricks under Dry and Saturated Conditions.

Correlation equations between BTS and Vp are as below: (11) B T S = 0.0013 V p − 0.2022 R 2 = 0.96 for dry conditions (12) B T S = 0.0022 V p − 2.7623 R 2 = 0.98 for saturated conditions As can be seen from the correlation equations developed in Figure 11 , an increasing trend in UCS and BTS with increasing Vp can be observed for the samples under both dry and saturated conditions.

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