A Solution of Subgrade Modulus for Response Displacement Method of Circular Underground Structures

Table 5

The internal forces and displacement of the tunnel lining.

		Kawashima [6]			Displacement fitting method
		m = 0	m = 1	m = 2
M/kN·m	Max	52.63 (83.5%)	58.11 (102.6%)	37.97 (32.4%)	28.69
	Min	−48.63 (71.1%)	−53.87 (89.6%)	−36.48 (28.4%)	−28.42
N/kN	Max	18.57 (−91.2%)	20.4 (−90.3%)	233.37 (10.5%)	211.20
	Min	−16.31 (−92.2%)	−17.98 (−91.4%)	−232.85 (11.4%)	−209.07
Q/kN	Max	32.72 (79.5%)	35.62 (95.5%)	24.21 (32.9%)	18.22
	Min	−36.13 (66.4%)	−40.11 (84.7%)	−27.29 (25.7%)	−21.72
ur/mm	Max	1.7 (100.7%)	1.84 (117.2%)	1.16 (37.1%)	0.85
	Min	−1.71 (94.7%)	−1.85 (110.6%)	−1.19 (35.2%)	−0.88
ut/mm	Max	6.86 (1699.3%)	6.92 (1715.0%)	0.53 (38.3%)	0.38
	Min	5.13 (−1313.9%)	5.06 (−1297.3%)	−0.59 (39.9%)	−0.42