Analytical Investigation on Hybrid Triple Skinned CFST Under the Effect of Sudden Impact

World Journal of Civil Engineering and Architecture | Vol 1, Issue 1

Table 7. List of geometrical properties,cross sectional dimensions and impact loading conditions for CFDST specimenswith Third proposed modification by [1-3].


Simula-tion number	Speci-men Tag number	Outer 1st layer Stainless Steel tube		Inner 2nd layer Carbon Steel tube		Inner 3rd layer Carbon Steel tube		L (mm)	Ax-ially Loaded	Magni-tude of axi-al load (kN)	H (m)	M0 (kg)	E0 (kJ)
		D (mm)	ts (mm)	D (mm)	ts (mm)	D (mm)	ts (mm)

55	L-3-0-a-M3	114	1.88	48	2.52	-	-							1800	No	0	3	203.7	6
56	L-3-0-b-M3	114	1.88	48	2.52	-	-	No	0	3	203.7	6
57	L-5-0.5-a-M3	114	1.88	48	2.52	-	-	Yes	343	5	203.7	10
58	L-5-0.5-b-M3	114	1.88	48	2.52	-	-	Yes	343	5	203.7	10
59	L-7-0.3-a-M3	114	1.88	48	2.52	-	-	Yes	206	7	203.7	14
60	L-7-0.3-b-M3	114	1.88	48	2.52	-	-	Yes	206	7	203.7	14
61	M-3-0.5-a-M3	114	1.88	76	2.01	-	-	Yes	317	3	203.7	6
62	M-3-0.5-b-M3	114	1.88	76	2.01	-	-	Yes	317	3	203.7	6
63	M-5-0.3-a-M3	114	1.88	76	2.01	-	-	Yes	190	5	203.7	10
64	M-5-0.3-b-M3	114	1.88	76	2.01	-	-	Yes	190	5	203.7	10
65	M-7-0-a-M3	114	1.88	76	2.01	-	-	No	0	7	203.7	14
66	M-7-0-b-M3	114	1.88	76	2.01	-	-	No	0	7	203.7	14
67	H-3-0.3-a-M3	114	1.88	89	2.01	-	-	Yes	142	3	203.7	6
68	H-3-0.3-b-M3	114	1.88	89	2.01	-	-	Yes	142	3	203.7	6
69	H-5-0-a-M3	114	1.88	89	2.01	-	-	No	0	5	203.7	10
70	H-5-0-b-M3	114	1.88	89	2.01	-	-	No	0	5	203.7	10
71	H-7-0.5-a-M3	114	1.88	89	2.01	-	-	Yes	237	7	203.7	14
72	H-7-0.5-b-M3	114	1.88	89	2.01	-	-	Yes	237	7	203.7	14

Modification 3 - (1) Filling the sandwich layer between the Outer 1st layer Stainless Steel tube and the Inner 2nd layer Carbon Steel tube with UHPFRC & (2) Filling the Inner 2nd layer Carbon Steel tube with NSC.
Impactor/Indenter geometry and size - drop hammer with 30mm×80mm rectangular bottom surface.

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