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

Table 2

The results under different prestatic loads and dynamic disturbances.

Sample	Fp (kN) (Fp/Fmax)	Fmin (kN)	Fmax (kN)	f (Hz)	F (kN)
70%-1 Hz	4.56 (70%)	2.60	6.51	1	6.38
70%-2 Hz				2	6.30
70%-5 Hz				5	6.23
70%-10 Hz				10	6.14
80%-1 Hz	5.21 (80%)	3.91	6.51	1	6.29
80%-2 Hz				2	6.27
80%-5 Hz				5	6.21
80%-10 Hz				10	6.11
90%-1 Hz	5.86 (90%)	5.21	6.51	1	6.26
90%-2 Hz				2	6.23
90%-5 Hz				5	6.18
90%-10 Hz				10	6.03