Table 1.

Dimensions description of the specimens.

Corbel	Width (b), mm	Shear Span (a), mm	Depth (d), mm	a/d
P 1.0	120	160	160	1.00
P 0.75	120	150	200	0.75
S 1.0	120	160	160	1.00
S 0.75	120	150	200	0.75