Study on the Seismic Performance of Box-Plate Steel Structure Modular Unit

Table 3

Characteristic displacement and load of the specimens.

Number	Direction	Py (kN)	Δy (mm)	Pm (kN)	Δm (mm)	Pu (kN)	Δu (mm)	μ
No. 1	Positive	607.99	3.8	652.27	5.1	554.43	7.7	2.03
	Negative	−553.11	−3.8	−604.74	−5.8	−514.13	−7.8	2.05
No. 2	Positive	771.65	4	917.79	6	780.12	9.1	2.28
	Negative	−773.98	−4	−893.97	−6	−759.87	−10.1	2.53