Investigation on the Design Method of Shear Strength and Lateral Stiffness of the Cold-Formed Steel Shear Wall

Table 4

The parameters, calculated lateral stiffness, and comparisons of the lateral displacement between the test results and the calculated results.

Specimen	t (mm)	G (N·mm^−2)	S0 (mm)	n s	fd (N)	EAB (×10^6)	K (N·mm^−1)	The design strength				The yield strength
								Pd (kN)	△d (mm)	△cd (mm)		Py (kN)	△y (mm)	△cy (mm)
WALL1	12	392	0.55	17	274	12.35	1255	5.98	4.6	4.8	1.04	7.48	13.5	5.96	0.44
WALL2	9	392	0.9	17	907	15.96	1621	17.2	11.3	10.6	0.94	21.5	23.9	13.3	0.56
WALL3	12 + 9	—	—	17	—	28.31	2876	23.3	8.0	8.1	1.01	29.12	19.6	10.1	0.52

Δ _cd and Δ_cy are the calculated lateral displacement under the design strength and the yield strength, respectively.