Prediction of Vibration Waveform and Division of Influenced Partitions under the Action of Blasting

Table 1

β of surrounding rock at all levels.

Classification of surrounding rock	I	II	III	IV	V
RMR	81∼100	61∼80	41∼60	21∼40	0∼20
β	0∼20	21∼40	41∼60	61∼80	81∼100