A Study on Steel-Concrete-Steel Wall to Resist Perforation from Rigid Projectile Impact

Table 8

Perforation velocity comparison of SCS-250-6T with different conditions of tie bar for flat projectile.

Object	Distance of tie bar (mm)	Diameter of tie bar (mm)	Yield strength of tie bar (MPa)	Design value of tensile strength of tie bar (MPa)	Perforation velocity (m/s)		Deviation
					Formula	FEM
SCS-250-6T	150	13	345	300	152	147	3.40%
	75	13	345	300	160	167	−4.19%
	50	13	345	300	173	178	−2.81%
	75	10	345	300	154	153	0.65%
	75	16	345	300	169	174	−2.87%
	75	20	345	300	180	176	2.27%
	75	13	307	270	157	163	−3.68%
	75	13	400	360	164	171	−4.09%