Nondestructive Investigation of Stress-Induced Damage in Concrete

Table 3

The average values of dimensionless nonlinear parameter 𝛽^∗ for different load cycles.

Load Cycle	2	3	4	5	6	7	8	9
𝛽^∗	−75	−119	−118	−118	−126	−139	−143	−108