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 5

Calculation results of bending moment of surrounding rock invert structure.

Serial number	Feature point location	F1	F2	F3	F4	F5
1	Left sulcus	4.71	16.65	21.48	−2.01	−2.25
2	Line left rail	1.77	2.34	3.31	1.54	0.77
3	Line center	1.38	2.03	8.08	2.03	1.38
4	Right track	0.77	1.54	4.31	2.34	1.77
5	Right sulcus	0.76	1.02	1.63	1.86	1.29