Experimental Study on a New Reinforcement Method for Multilayer Industrial Building’s Vibration

Table 3

Natural frequencies comparison before and after reinforcement.

Direction	Natural frequencies (Hz)			Unreinforced industrial building (Hz)	Reinforced industrial building (Hz)
	1# machine	2# machine	3# machine
X	2.75	2.86	2.72	2.94	7.83
Y	2.96	2.94	2.94	2.45	5.87
Z	45.24	46.99	42.05	10.28	10.77