Experimental Research on the Transverse Effective Bending Rigidity of Shield Tunnels

Table 3

Values of η obtained in this paper and previous studies.

Source	η		Notes
	Straight-jointed	Stagger-jointed
Lee and Ge [20]	0.1–0.6	—	In soft ground
Zhong et al. [21]	—	0.4–0.8	Calculated
JSCE [19]	0.8	0.8	ζ = 0.3
Xu [25] and Huang et al. [26]	0.67	0.75	Under a concentrated load
Ye et al. [4]	0.09–0.23	0.30–0.80	Under a concentrated load
This study	0.34–0.37	0.52–0.66	Under a concentrated load
	0.42–0.67	0.59–0.76	Under realistic loading conditions