Strength Weakening Effect of High Prestatically Loaded Marble Subjected to Low-Frequency Dynamic Disturbance under Point Load

Figure 6

Typical load-displacement curves under the point load test. (a) 70%-1 Hz; (b) 70%-10 Hz; (c) 80%-1 Hz; (d) 80%-10 Hz; (e) 90%-2 Hz; (f) 90%-10 Hz.

(a)

(b)

(c)

(d)

(e)

(f)