Quasi-Static Test Study on Seismic Behavior of Large-Section Fabricated Utility Tunnel

Table 1

Characteristic displacement and load of specimen.

Specimen	Load direction	Py/kN	Δy/mm	Pm/kN	Δm/mm	Δu/mm	μ
Middle point	Positive	213.80	12.10	273.24	32.54	72.12	5.96
	Negative	−217.90	−12.17	−304.68	−55.74	−71.89	5.91
Side point	Positive	97.27	27.36	114.95	38.94	50.00	1.83
	Negative	−164.81	−25.10	−239.14	−49.33	−59.70	2.39
Overall structure	Positive	350.00	7.73	542.00	20.056	28.00	3.62
	Negative	−400.00	−7.00	−547.50	−20.056	−28.00	4.00