A Simplified Finite Element Model for Modular Steel Structure Building Wallboard through Experimental Research and Finite Element Analysis

Table 4

Comparison of the ultimate bearing capacity and initial stiffness for QX-2.

	Ultimate bearing capacity (kN)	Increase multiple	Initial stiffness (kN/mm)	Increase multiple
Experimental results	62.6	1.00	4.80	1.00
Pure frame in finite element model	70.6	1.13	2.62	0.55
Two-point binding in finite element model	109.9	1.76	5.56	1.16
Surface binding in finite element model	344.3	5.50	20.29	4.23