Wind-UBC.xls

	A	B	C	D	E	F	G	H	I	J	K	L	M	N
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2					PROJECT :								PAGE :
3					CLIENT :								DESIGN BY :
4					JOB NO. :				DATE :				REVIEW BY :
5	Wind Analysis Based on UBC 1997
6
7		INPUT DATA
8		Exposure category					2	Exp. C
9		Importance category				=	2	Special
10		Basic wind speed			V	=	100
11		Building height to eave			he	=	14
12		Building height to ridge			hr	=	28
13		Building length			L	=	150
14		Building width			B	=	110
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16
17
18		DESIGN SUMMARY
19		Horizontal pressure						=	0.00		,for roof
20								=	0.00		,for wall
21		Upward pressure						=	0.00
22		Total horizontal force on building length						=	0.00	kips
23		Total horizontal force on building width						=	0.00	kips
24		Total upward force						=	0.00	kips
25		Overturning moment on building length						=	0.00	ft-kips
26		Overturning moment on building width						=	0.00	ft-kips
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28
29		ANALYSIS
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31		Mean roof height			h	=	21.0
32									,for roof
33									,for wall
34						=	0.1
35		Pressure coefficients			Cq	=	1.30	horizontal any direction				(Method 2, Table 16-H)
36						=	0.70	upward
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38
39
40		ELEMENT & COMPONENT LOADS
41
42		Exposure category				2	Exp. C
43		Basic wind speed			V =	100	mph
44		Building height to eave			he =	14	ft
45		Building height to ridge			hr =	28	ft
46		Building length			L =	150	ft
47		Building width			B =	110	ft							150
48		Width of edge strips (CBC 1622A)
49			a = MIN(0.1B, 10ft) =			10.00	ft
50		Importance factor			Iw =
51		Mean roof height			h =	21.0	ft
52		Hgt-exp-gust factor			Ce =		,for roof
53		Stagnation pressure			qs =	0.1	psf
54		Roof slope			4	:12
55		Pressure coefficients				, for continuity		Cq,10 =	1.3	outward			,(CBC Tab.16A-H)
56						for discontinuity		Cq,10 =	2.6	outward
57						for overhang		Cq,10 =	3.1	outward	( 2.3 @ top + 0.8 @ bottom )
58			Cq = Cq,10 - 0.2 + (100-TA) / 450 , (CBC Tab.16A-H, footnote 2)
59			Cq = Cq,10 - 0.8 + (100-TA) / 112.5 , (only at discontinuities with slope less than 7:12)
60		Design wind pressures (CBC 1620A)
61			P = Ce Cq qs Iw			(CBC 20A-1)
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63				Continuity				Discontinuity			Overhang
64					outward			outward			outward
65				Cq	P (psf)		Cq	P (psf)		Cq	P (psf)
66		Tributary Area (ft2)	<10	1.30		0	2.60		0	3.10	0
67			10	1.30		0	2.60		0	3.10	0
68			15	1.29		0	2.56		0	3.06	0
69			20	1.28		0	2.51		0	3.01	0
70			25	1.27		0	2.47		0	2.97	0
71			30	1.26		0	2.42		0	2.92	0
72			35	1.24		0	2.38		0	2.88	0
73			40	1.23		0	2.33		0	2.83	0
74			45	1.22		0	2.29		0	2.79	0
75			50	1.21		0	2.24		0	2.74	0
76			55	1.20		0	2.20		0	2.70	0
77			60	1.19		0	2.16		0	2.66	0
78			65	1.18		0	2.11		0	2.61	0
79			70	1.17		0	2.07		0	2.57	0
80			75	1.16		0	2.02		0	2.52	0
81			80	1.14		0	1.98		0	2.48	0
82			85	1.13		0	1.93		0	2.43	0
83			90	1.12		0	1.89		0	2.39	0
84			95	1.11		0	1.84		0	2.34	0
85			100	1.10		0	1.80		0	2.30	0
86			>100	1.10		0	1.80		0	2.30	0
87			>1000	use primary frame values
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