Advances in Civil Engineering

Research Article

A Stress-Strain Model for Brick Prism under Uniaxial Compression

Table 6

Comparisons of normalized root-mean-square error obtained from each stress-strain curve.


Specimen	(MPa)	Researcher
		This study	Knutson

Cp-2.0	2.0	0.249	0.357
Cp-2.5	2.5	0.257	0.351
Cp-3.0	3.0	0.239	0.358

Note. Normalized root-mean-square error (NRMSE) = , where is the mean stress in the measured stress-strain curve, and are experimental and predicted stress, respectively, and n is number of points in experimental stress-strain curve.