IoT-Based Intelligent System for Internal Crack Detection in Building Blocks

Table 5

Cylinder strength for 14 days and detected crack sizes.

S. no.	Load in	14-day splitting tensile strength in N/mm^2	Cracks in mm
1.	25	0.35	0.00
2.	50	0.71	0.00
3.	75	1.06	0.05
4.	100	1.41	0.10
5.	125	1.77	0.30
6.	150	2.12	0.50
7.	175	2.48	1.15
8.	193	2.73	2.65