Study on the Influence of Train Dynamic Load on underneath Tunnel Cast-in-Situ Concrete in Early Age

Table 2

Calculated results.

Position of secondary support	(10 m)	(5 m)	(0 m)	(−5 m)	(−10 m)
Peak of acceleration (m/s^2)	0.0916	0.1727	0.2597	0.2184	0.1895
Peak of dynamic tensile stress (kPa)	15.3647	16.0134	17.9460	17.5516	17.0993
Peak of dynamic compressive stress (kPa)	−16.4643	−26.2154	−32.3116	−26.9577	−29.1613