Table 8: The examined B'_H structural schemes.

Label		l	h	h’	Zones
Frames B’H1	B’H1z1(l=20, h=9,h’=2)	20m	9m	2m	I
	B’H1z2(l=20, h=9,h’=2)				II
	B’H1z3(l=20, h=9,h’=2)				III