Shock and Vibration

Research Article

Instantaneous Rock Blasting Wave and Its Microscopic Characteristics during Interaction with Concrete

Table 1

Peak values and calculations in each region.


Test point number		Shock wave zone	Stress wave zone	Gas-expanding zone	Total

①	/us	2.4–5.6/3.3	5.6–8.6/3	8.6–24.7/16.1	22.4
	/KHz	0–829	0–743	0–514	×
	/MPa	−1650	159.72	−65.01	×
	/10⁴ s⁻¹	−7.58/10.5	1.43/−1.14	Approximate static load	×
	/m·s⁻¹	−151.6/210	28.5/−22.7	Approximate static state	×
	/m·s⁻²	612/−505	125/−142	0	×
		0.0157	0.0016	0.0054	0.0231
	/%	68.0	6.9	23.4	98.3

②	/us	2.4–5.6/3.3	5.6–8.6/3	8.6–24.7/16.1	22.4
	/KHz	0–1000	0–686	0–227	×
	/MPa	−1518	101.31	25.476	×
	_max/10⁴ s⁻¹	−7.52/8.9	1.24/−1.12	Approximate static load	×
	/m·s⁻¹	−148/178	24.8/−19.2	Approximate static state	×
	/m·s⁻²	608/−413.5	87/−137.5	0	×
		0.0106	0.0012	0.0016	0.0137
	/%	77.3	8.8	11.7	97.8