A Stress-Strain Model for Brick Prism under Uniaxial Compression

Table 2

Compressive strength of mortars (MPa).

	Identification of mortar	W/C (%)	(MPa)	Average of (MPa)	Standard deviation	Strain at ,	Rate of strain change at (%)
1	2.0	74.1	17.1	16.4	0.7	0.00245	—
2			16.4
3			15.7
4	2.5	64.8	19.2	19.4	0.2	0.00225	−8.16
5			19.6
6			19.3
7	3.0	55.5	23.0	23.3	0.3	0.00220	−10.20
8			23.6
9			23.3

Note.  = compressive strength of mortar and  = required compressive strength of concrete brick.