Research Article

Abraded Glass Strength: An Ad Hoc Fitting Protocol Based on the Change of Variable Theorem

Table 1

Summary of the estimated parameters of the transformed density function .

Left-truncated Weibull parameters +
m (shape)η0 (scale)σ0 (truncation)
 4.251462.35 MPa mm1/α40.2 MPa

L4p parameters++
a (lower limit)b (slope)c (halfway point)d (upper limit)
 1.08 (0.92, 1.23)14.52 (2.49, 26.55)50.43 (46.85, 54.89)1.41 (1.39, 1.42)

Additional parameters
Ak
 282600 mm20.45

+Previously estimated through the graphical method. ++ Estimated with the R package dr4pl.