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 2

Calculating model of the slab structure of the single-track tunnel in surrounding rock.

Internal solution	Feature location	q1-q2 load section		q2-q3 load section
		Uniform load	Triangular load	Uniform load	Triangular load
Bending moment (KNm)	Left sulcus	−11.13	−1.76	−4.01	−0.64
	Line left rail	3.72	0.74	0.41	0.11
	Line center	4.44	1.02	4.44	1.02
	Right track	0.41	0.11	3.72	0.74
	Right sulcus	−4.01	−0.64	−11.13	−1.76
Shear force (kM)	Left sulcus	−30.06	−3.31	−3.62	−0.52
	Line left rail	−9.02	−2.17	−5.21	−1.07
	Line center	5.44	1.09	−5.43	−1.09
	Right track	5.22	1.07	9.02	2.19
	Right sulcus	3.62	0.52	30.06	3.31