Effect of Deficiencies in the Tunnel Crown Thickness on Pressure Tunnels with Posttensioned Concrete Linings

Table 3

Average circumferential stresses of the observation sections (unit: MPa).

	Section I		Section II		Section III
	CCTC	DWPC	CCTC	DWPC	CCTC	DWPC
Experimental results	−7.74	−4.19	−7.36	−2.98	−7.14	−4.21
Numerical results	−7.00	−3.31	−7.12	−2.88	−6.62	−3.27