A Stress-Strain Model for Brick Prism under Uniaxial Compression

Table 4

Comparison of elastic modulus from test and analysis.

	Specimen	(MPa)	fpm (MPa)	Elastic modulus
				Test (MPa)	Test average (MPa)	Analysis (MPa)	Analysis average (MPa)	Difference (%)	Difference average (%)
1	Cp-2.0	2.0	5.310	2644	2633	2640	2638	0.2	−0.2
2			4.983	2591		2584		0.3
3			5.513	2663		2673		−0.4
4			5.783	2670		2716		−1.7
5			4.940	2599		2577		0.9
6	Cp-2.5	2.5	5.693	2673	2677	2702	2703	−1.1	−1.0
7			5.439	2620		2661		−1.6
8			5.912	2726		2736		−0.3
9			5.418	2620		2657		−1.4
10			5.998	2726		2749		−0.8
11			5.760	2700		2712		−0.5
12	Cp-3.0	3.0	5.931	2719	2714	2739	2737	−0.7	−0.9
13			5.868	2665		2729		−2.4
14			5.980	2750		2746		0.1
15			5.825	2692		2722		−1.1
16			6.002	2746		2750		−0.1