Figure 2

Oztoprak and Bolton’s nonlinear shear modulus plotted together with extensive test data, and model fitting parameters \(m\left( \gamma \right)\) and \(A\left( \gamma \right)\)17.

Oztoprak and Bolton’s nonlinear shear modulus plotted together with extensive test data, and model fitting parameters \(m\left( \gamma \right)\) and \(A\left( \gamma \right)\)17.