Cracking Characteristics and Mechanism of Internal Components of Large-Span Shield Tunnel

Table 1

Calculation parameters of internal structure.

No.	Component	Concrete grade	E (GPa)	Poisson’s ratio (υ)
1	Prefabricated flue plate	C40	32.5	0.2
2	Middle partition wall	C40	32.5	0.2
3	Mouth-shaped part	C50	34.5	0.2