Serial number	position	Construction stress		Change in stress ②-①	Theoretical value of stress	Stress measured value and rationality Value comparison ②/ ③
		Stage 11 ①	Stage 12 ②	Change in stress ②-①	Stage 12 ③
		MPa	MPa	MPa	MPa
Section 1	LC1	−4.4	35.64	40.04	48	0.74
	LC1	−10.66	37.2	47.86	48	0.78
	LC2	−17.6	46.14	63.74	48	0.96
	LC2	−7.24	48.08	55.32	48	1.00
Section 2	LC1	−9.06	16.6	25.66	55	0.30
	LC1	−12.76	29.1	41.86	55	0.53
	LC2	−6.3	55.82	62.12	55	1.01
	LC2	−12.6	44.34	56.94	55	0.81
Section 3	LC1	−-15	47.26	62.26	55	0.86
	LC1	−5.02	50.8	55.82	55	0.92
	LC2	−8.94	46.64	55.58	55	0.85
	LC2	10.9	60.72	49.82	55	1.10