Table 1:

Material and geometric properties in the shear-lag model

Property	Selected value (normalized)	Typical values
Fibril diameter	100 nm (1)	100–200 nm (Gupta, 2008; Redaelli et al., 2003; Robinson et al., 2004a)
Fibril spacing	50 nm (0.5)	50–200 nm (Ahmadzadeh et al., 2013; Redaelli et al., 2003)
Fibril Young’s modulus	1 GPa (1)	1 GPa (Ahmadzadeh et al., 2013; Svensson et al., 2012; Wu et al., 2018)
Poisson’s ratio (matrix and fibril)	0.3	0.3 (Reese et al., 2010; Topçu et al., 2022)
Fibril length	5 µm (50)	NA
Matrix Young’s modulus	5 MPa (0.005)	NA