Modeling of Preload Bolted Flange Connection Structure for Loosening Analysis and Detection

Table 4

and of the connection structure with 4 bolts under 1500 N impact with standard preload of 5000 N and different preload of loose bolt.

The test bolt preload	300 N	3000 N	5000 N
	1.58E6	6.79E5	4.84E5
	2.26	0.40	—