Measurement and Numerical Simulation of Ground and Subgrade Vibrations of Beijing Urban Rail Line 13

Table 4

Train passing time and train speed obtained by regression.

Record time	Train passing time T0 (s)	Slope k	R^2	Train speed (m/s)
7 : 27	3.114	0.0819	0.9684	24.40
7 : 34	3.362	0.0911	0.9964	22.61
7 : 40	3.345	0.0850	0.9954	22.72
7 : 46	3.921	0.0948	0.9842	19.38
7 : 53	2.923	0.1009	0.9894	26.00
10 : 32	3.307	0.1037	0.9721	22.98
10 : 38	3.243	0.0811	0.9880	23.43
11 : 00	3.763	0.0802	0.9629	20.20
11 : 15	4.051	0.0581	0.8861	18.76
11 : 25	3.926	0.0616	0.9075	19.36