Influence of Blasting Vibration on Young Concrete Bridge: A Case Study of Yesanhe Super Large Bridge

Table 8

PPV and amplification factors of the typical nodes.

Peak of load/(cm/s)	Node at center of box girder				Node at edge of box girder
	Vertical velocity		Horizontal radial velocity		Vertical velocity		Horizontal radial velocity
	Peak/(cm/s)	Amplification factor	Peak/(cm/s)	Amplification factor	Peak/(cm/s)	Amplification factor	Peak/(cm/s)	Amplification factor
0.03	0.047	1.57	0.074	2.47	0.076	2.53	0.058	1.93
0.5	0.78	1.56	1.23	2.46	1.26	2.52	0.96	1.92
2	3.13	1.57	4.91	2.46	5.05	2.53	3.84	1.92