Planilha de Memorial de Reforços de Vasos de Pressão

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	A = Total cross-sectional area of reinforcement requiered						A =	71200		Area required
	in the plane under consideration (includes consideration
	of nozzle area through shell if )
	
	= Area in excess thickness in the vessel wall available						=	-71200		Area available in shell; use larger value
	for reinforcement (includes consideration of nozzle area						or =	-4521.2
	through shell if )
	
	= Area in excess thickness in the nozzle wall available						=	0		Area available in nozzle projecting outward; use smaller value
	for reinforcement						or =	0
	
	= Area available for reinforcement when the nozzle						=	0		Area available in inward nozzle; use smallest value
	extends inside the vessel wall						or =	0
							or =	0
	
	= Cross-sectional area of various welds						=	0		Area available in outward weld
	available for reinforcement						=
							=	0		Area available in inward weld
						(leg) of	=
						(leg) of	=
						(leg) of	=
	
	= Cross-sectional area of material added as reinforcement						=
	
	c = Corrosion allowance						c =
	
	D = Inside shell diameter						D =
	
	= Outside diameter of reinforcing element (actual size						=
	of reinforcing element may exceed the limits of
	reinforcement established by UG-40; howerer, credit
	cannot be taken for any material outside these limits)
	
	d = Finished diameter of circular opening or finished dimension						d =	1600
	(chord length at midsurface of thickness excluding excess
	thickness available for reinforcement) of nonradial opening
	in the plane under consideration, in. (mm)
	
	E = 1 (see definitions for tr and trn)						E =
	
	= 1 when an opening is in the solid plate or in a Category B						=
	butt joint; or joint efficiency obtained froum Tablhe UW-12
	when any part of the opening passes through any other
	welded joint
	
	F = Correction factor which compensates for the variation						F =	1
	in internal pressure stresses on diferent planes with
	respect to the axis of a vessel. A value of 1.00 shall
	be used for all configurations except that Fig. UG-37
	may be used for integrally reinforced openings in
	cylindrical shells and cones.
	
	h = Distance nozzle projects beyond the inner surface of the						h =
	vessel wall. (Extension of nozzle beyond the inside surface
	of the vesses wall is not limited; however, for reinforcement
	calculations, credit shall not be taken for materal outside
	the limits of reinforcement established by UG-40)
	
	= Spherical radius factor (see definition of tr and table UG-37)						=
	
	L = Length of projection defining the thickened portion of						L =
	integral reinforcement of a nozzle neck beyond the
	outside surface of the vessel wall
	
	P = Internal design pressure, psi (MPa)						P =
	
	R = Inside radius of the shell course under consideration						R =
	
	= Inside radius of the nozzle under consideration						=
	
	S = Allowable stress in nozzle, psi (MPa)						S =
	
	= Allowable stress in nozzle, psi (MPa)						=
	
	= Allowable stress in vessel, psi (MPa)						=
	
	= Allowable stress in reinforcing element (plate), psi (MPa)						=
	
	= Strength reduction factor, not greater than 1.0						=
	
	= Sn/Sv for nozzle wall inserted through the vessel wall						=
	
	= 1.0 for nozzle wall abutting the vessel wall and for nozzles						=	1
	shown in Fig. UG-40.
	
	=						=
	
	= (Lesser of or )						=
	
	=						=
	
	t = Specified vessel wall thickness, (not including forming						t =
	allowances). For pipe it is the nominal thickness less
	manufacturing undertolerance allowed in the pipe specification.
	
	= Thickness or hight of reinforcing element						=
	
	= Nominal thickness of internal projection of nozzle wall						=
	
	= Required thickness of a seamless shell based on the						=	44.5
	circumferential stress, or of a formed head, computed
	by the rules of this Division for the designated pressure,
	using E = 1
	
	= Nozzle wall thickness. Except for pipe, this is the wall						=	50.8
	thickness not including forming allowances. For pipe,
	use the nominal thickness.
	
	= Required thickness of a seamless nozzle wall						=
	
	W = Total load to be carried by attachment welds						W =
Sheet2
	
Sheet3
	
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