Elastoplastic Modelling of an In Situ Concrete Spalling Experiment Using the Ottosen Failure Criterion

Table 6

Fracture mechanics modelling parameters.

Property	Symbol	Pegmatitic granite	Concrete C35/45	Unit
Cohesion				MPa
Friction angle				°
Tensile strength				MPa
Mode I fracture toughness				MPa
Mode II fracture toughness				MPa
Cohesion, tensile & shear				MPa
Friction angle, tensile & shear	,			°, °
Dilatation angle, tensile & shear	,		,	°, °
Normal stiffness, tensile & shear				GPa/m
Shear stiffness, tensile & shear				GPa/m

[34]. Modified after [35]. [32]. [33]. Derived by [5] after [36] and [37]. Calculated after relation by [38].