Dynamic Response Characteristics of the Electric Domain Structure of Ferroelectric Materials to the Surrounding Rock Structure of a Heavy-Duty Railway with a Small-Clearance Crossing Tunnel

Table 3

Moment and shear force calculation model for elastic foundation beam bottom plate of single-track tunnel.

Axle load	Internal solution	Left sulcus	Line left rail	Line center	Right track	Right sulcus
27 t	Bending moment (KNm)	−17.87	5.21	10.25	5.21	−17.87
	Shear force (kM)	−37.73	−16.71	0	16.71	37.73
30 t	Bending moment (KNm)	−18.54	6.46	11.46	6.46	−18.45
	Shear force (kM)	−40.31	−17.01	0	17.01	40.31