Table 1. Slab parameters.

Slab		Young’s modulus E (MPa)	Thickness h (mm)	Effective surface area (% of original surface area)	Marker
Dark red	(dkR)	3.0	4.20	30
Red	(R)	3.0	1.40	30
Light red	(ltR)	3.0	0.60	50
Dark blue	(dkB)	0.8	0.58	100
Blue	(B)	0.8	0.50	100
Light blue	(ltB)	0.8	0.30	100
Dark green	(dkG)	0.1	0.40	30
Green	(G)	0.1	0.20	50
Light green	(ltG)	0.1	0.13	100