. 2021 Apr 2;25:64–69. doi: 10.1016/j.jor.2021.03.019

Table 7.

Definitions of failure.

Definition of Failure	Reference No.
Fracture	³,⁴,⁶,⁸,¹⁶
0.5% Strain	¹¹
0.8% Strain	¹⁵
Deformation Increase 10% Greater than the Mean Deformation Increase	¹³
5% Reduction in Secant Modulus	²,¹⁸