Experimental and Numerical Analysis and Prediction of Ground Vibrations Due to Heavy Haul Railway Viaduct

Table 5

Fitting of PPV versus distance under different speeds.

Vibration Component	Speed/(km/h)			Correlation coefficient	MSE
Horizontal	80	2.887	0.5181	0.8783	0.7745
	100	3.109	0.4915	0.8581	0.8791
	120	3.434	0.4191	0.8742	0.9754
	140	3.580	0.4452	0.8825	0.8615
	160	3.666	0.4097	0.9252	0.5892
Vertical	80	3.533	0.6163	0.9650	0.3188
	100	3.644	0.5465	0.9745	0.2282
	120	4.082	0.4987	0.9607	0.4268
	140	4.275	0.4691	0.9856	0.1549
	160	4.896	0.4642	0.9775	0.3131