Strut Tube Connection Design Capacities Spreadsheet (www.theengineeringcommunity.org).xls

	A	B	C	D	E	F	G	H	I	J	K
1				Strut Tube Section						Date	06-sept.-05
2										Dsn. By	HOS
3										Chk. By	ZAS
4				Design Capacities						Rev. No.	1
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8		SECTION		Area	Weight	Depth	thk	Ix=Iy	Zx=Zy	rx=ry
9		SECTION		cm2	kg/m	mm	mm	cm4	cm4	cm
10		125x125x3.2		15,33	12,00	125,00	3,20	375,63	60,10	4,95
11		150x150x4.5		25,67	20,10	150,00	4,50	900,00	120,00	5,92
12		200x200x6.0		45,63	35,80	200,00	6,00	2830,00	283,00	7,88
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15	Material Specification		A500 Gr. B
16	Specified Yeild Stress		Fy =	32,50	kN/cm2
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18		Allowable Tensile Stress (Ft)
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20	Ft =	0.60 fy			T = Ft * A
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22		SECTION		Tension
23		SECTION		(kN)
24		125x125x3.2		298,94
25		150x150x4.5		500,57
26		200x200x6.0		889,79
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28		Allowable Compressive Stress (Fa)
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30	1)	If kL/r < Cc					2)	If kL/r > Cc
31	Fa =	{ 1-[ (kL/r)2 / (2Cc)2 ] } Fy				kN/cm2	Fa =	12(p)2 E	kN/cm2
32	Fa =	{(5/3) + [(3kL/r) / (8Cc)] - [(kL/r)3 / (8Cc3)]}					Fa =	23(kL/r)2
33	Where,
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35	Cc =	2(p)2 E	=	110,21		P = Fa * A
36	Cc =	Fy
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39	SECTION		Compression (P) (kN)
40	SECTION		1,00 m	2,00 m	3,00 m	4,00 m	5,00 m	6,00 m	7,00 m	8,00 m	9,00 m
41	125x125x3.2		282,40	258,48	228,34	192,52	150,98	107,46	78,95	60,45	47,76
42	150x150x4.5		478,33	447,19	408,41	362,77	310,58	251,62	189,16	144,83	114,43
43	200x200x6.0		861,64	824,19	778,51	725,41	665,44	598,88	525,71	445,60	359,82
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46	SECTION		Compression (P) (kN)
47	SECTION		10,00 m	11,00 m	12,00 m	13,00 m	14,00 m	15,00 m	16,00 m	17,00 m	18,00 m
48	125x125x3.2		38,69	31,97	26,86	22,89	19,74	17,19	15,11	13,39	11,94
49	150x150x4.5		92,69	76,60	64,37	54,85	47,29	41,19	36,21	32,07	28,61
50	200x200x6.0		291,45	240,87	202,40	172,46	148,70	129,53	113,85	100,85	89,95
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