An Application of Time-Frequency-Based Analysis Method for Identifying Bolt Anchorage System

Table 1

The parameters of anchorage models with different types (Unit:mm).

Types	The length of bolt			The diameter of rebar	The diameter of anchorage section	The length of defect	The distance between the defect and the top interface of the anchor
	Free section	Anchorage section	Total length
No. 1	500	1500	2000	20	50	0	0
No. 2	500	1500	2000	20	50	100	330
No. 3	500	1500	2000	20	50	100	700
No. 4	500	1500	2000	20	50	110, 120	520, 1080