How to Calculate Withstand Load of a L-Angle Frame ?

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kannavalla Participant Join Date: Nov 2011 Posts: 2	How to Calculate Withstand Load of a L-Angle Frame ? 11/01/2011 2:12 AM
	Hai dudes, Pls reply for this question early as possible....
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Tornado Guru Join Date: May 2009 Location: Richland, WA, USA Posts: 21017 Good Answers: 795	#1 Re: How to Calculate Withstand load of a L-angle frame ? 11/01/2011 2:26 AM
	How about some weights and dimensions, the actual configuration, and the magnitude of loads to be resisted? __________________ In vino veritas; in cervisia carmen; in aqua E. coli.
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CaptMoosie Guru Join Date: May 2009 Location: Red Hook, New York (Mid-Hudson River Valley) Posts: 4362 Good Answers: 179	#2 Re: How to Calculate Withstand Load of a L-Angle Frame ? 11/01/2011 10:13 AM
	Sorry, I don't respond to peeps calling me "Dude"...... __________________ "Veni, Vidi, Vici"; hendiatris attributed to Gaius Julius Caesar, 47 B.C.
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blackpanic73

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Re: How to Calculate Withstand Load of a L-Angle Frame ?

11/01/2011 6:01 PM

apply like this procedures

supports:
*Pipe Line*		:- For size 4" sch.40(STD.)
SA-283 Gr. C equ. to ST.37			:- Rack support material
108247	15,700	:- (S_s), Max. allowable stress for support material - (Kpa, (psi))
114.3	4.5	:- (D_o), Outside Diameter (mm,(in))
6.02	0.237	:- (t_n), Nominal wall thickness (mm,(in))
16.07	10.79	:- (w), Weight of empty pipe (kg/m,(lb/ft))
1000	0.0361	:- (ρ), Fluid density(water) (kg/m³,(lb/in³))
5000	196.85	:- (L), pipe span between two supports (mm,(in))
1000	39.37	:- (L_m), Moment arm length for pipe acting on support (mm,(in))
9.81	32.19	:- (ACC), Acceleration (m/s²,(ft/s²))

Inside diameter of pipe (d) =			Do-2*tn		4.03	in	102.26	mm
Internal fluid weight (w_f) =			(Πd ²/4)L*ρ		90.49	lb	41.04	kg
Total weight of pipe (w_T) =			(w*L)+w _f		267.63	lb	121.39	kg
Load acting on support due to total weight (w_L) =				w _T*(ACC)	8613.6	lb.ft/s ²	1190.88	kg.m/s ²
Weight of any concentrated load acting on support (w_C1) =					0.00	lb	0.00	kg
concentrated load weight represent in weight of other pipes supported on cantilever
Moment arm length for w _c1 (L_C1) =					0.00	in	0.00	mm
Weight of any concentrated load acting on pipe (w_C2) =					0.00	lb	0.00	kg
Moment arm length for w _c2 (L_C2) =					0.00	in	0.00	mm
Weight of any concentrated load acting on pipe (w_C3) =					0.00	lb	0.00	kg
Moment arm length for w _c3(L_C3) =					0.00	in	0.00	mm
Load acting on support due to concentrated load w _C1 (F_C1) =				w _C1*(ACC)	0.0	lb.ft/s ²	0.00	kg.m/s ²
Load acting on support due to concentrated load w _C2 (F_C2) =				w _C2*(ACC)	0.0	lb.ft/s ²	0.00	kg.m/s ²
Load acting on support due to concentrated load w _C3 (F_C3) =				w _C3*(ACC)	0.0	lb.ft/s ²	0.00	kg.m/s ²
Total load acting on support (W_TL) =			W _L+F_C1+F_C2+F_C3	at mid (assuming)	8613.6	lb.ft/s ³	1190.88	kg.m/s ²
Bending moment due to w _L (M_wL) =			(W _L/4)*(L_m/1000)		403.7	lb.ft	297.72	N.m
Bending moment due to F _c1(M_F1) =			(F _C1/4)*(L_c1/1000)		0.0	lb.ft	0.00	N.m
Bending moment due to F _c2(M_F2) =			(F _C2/4)*(L_c2/1000)		0.0	lb.ft	0.00	N.m
Bending moment due to F _c3(M_F3) =			(F _C3/4)*(L_c3/1000)		0.0	lb.ft	0.00	N.m
Total bending moment acting on support (M_T) =
			(M _wL)+ (M_F1)+ (M_F1)+ (M_F1)		403.7	lb.ft	297.72	N.m
Modulus (Z) =			M _T/S_s		0.168	in ³	2.750	Cm ³
select the Rolled Steel Channel (RSC) section from structural steel beam tables					S5X10 RSC
RSC weight					10.00	lb/ft	14.88	kg/m
Modulus (Z _S) for selected RSC =					1.37	in ³	22.450	Cm ³
check	Z_S> Z				Ok
Modulus of elasicity (E) =					210000			N/mm ²
					30457925			Ib/in ²
Moment of inertia (I) =					1.22	in ⁴	507802.3	mm ⁴
Maximum deflection (ς) =			(w _TLL_m³)/(48EI)		0.009	in	0.233	mm
safety ratio (S_R) =			(ς) / L _m		0.0002
check	S _R < 1/360				Ok

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