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<br /> .
<br /> MAXIMUM ROOF BEAM SPANS
<br /> IN DECIMAL FEET
<br /> SCREEN ROOF I SCREEN WALLS EXAMPLE:
<br /> WIND 110 MPH DEFLECTION U60 POOLENC
<br /> <--J COLUMN USED 1.----->
<br /> 8 'WALL
<br /> ROOF (F) (0) (H) (I) (J) (K) (Ll
<br /> BEAM SPACING 2x3 2x3 2x4 2x4 2x4 2x6 2x7
<br /> I USED I PB SMS PB SMS 5MB 5MB 5MB
<br /> 4'-0. 18.42 19,08 19,25 19,25 19.25 19.25 19.2
<br /> (H) 5'.0. 17,08 17,58 17.75 17,75 17.75 17.75 17.7
<br /> 2x4 6'.a" 16.08 16,58 16.75 16.58 16.75 16.75 16.7
<br /> PB 7'-0. 15,25 15.58 15.75 15,75 15,75 15.75 15,7
<br />~ 8'-0. 14,58 14.92 15.08 15,08 15.08 15.08 15.0
<br /> 9'-0. 13.92 14,42 14.42 14,42 14.42 14.42 14,4
<br /> 4'-0. 21.08 21.75 21.92 21.75 23.42 23.42 23.4
<br /> (J) 5'-0. 20,08 20.08 20.25 20,08 21.58 21.58 21.5
<br /> 2x4 6'.0. 18,42 18,75 18,92 18.92 20.25 20.25 20.2
<br /> 5MB 7'-0. 17.42 17,92 17,92 17,92 19.08 19.08 19.
<br /> 8'-0. 16.75 17,08 17,08 17.08 18.25 18,25 18.
<br /> ~ 9'.a" 16,08 16.42 16.42 16.42 17,42 17.42 17.
<br /> 4'-0. 28,08 28,58 28,75 28.58 29.92 31. 92 31.
<br /> , (K) 5'-0. 26,08 26.42 26.58 26.58 27,58 29.25 29.
<br /> 2X6 6'-0. 24,58 24,92 24,92 24,92 25,92 27.42 27.
<br /> 5MB 7'-0. 23,25 23,58 23.75 23.58 24.42 ' 25.92 25.
<br /> 8'-0. 22,25 22.58 22,58 22,58 23.42. 0 24.58 24.
<br /> ,. 9'.()" 21.42 21.58 21.75 21,75 22.42 23,58 23.
<br /> . 4'-0. 31.58 32.08 32.08 32,08 33.08 34.92 35.
<br /> . (l) 5'-0. 29,42 29,58 29.75 29,75 30.58 32,25 33.
<br /> 2x7 6'-0. 27,58 27,92 27.92 27.92 28,75~ 30.08' 30.
<br /> 5MB 7'-0. 26,25 26,42 26,58 26,58' 27~25 28.42 29.
<br /> 1 8'-0. 25,08 25.25 25.42 25.42 26,08 27,08 27.
<br /> 9'-0. 23,92 24.25 24.25 24,25 24.92 26.08 26.
<br /> 4'-0. 38,25 38.58 38,58 38,58 39.42 40.92 41.
<br /> (M) 5'-0- 35.42 35.75 35.75 35,75 36.58 37,75 38.
<br /> 2)(8 6'-0- 33.42 33,58 33.75 33,58 34,25 35.42 36.
<br /> 5MB 7'-0- 31.75 31.92 31.92 31.92 3~58 33.58 34.
<br /> , 8'-0- 30.25 30,58 30.58 30,58 31:68 32,08 32.
<br /> 9'-0. 29.08 29.25 29.42 29,42 29,92 30,75 31.
<br /> .
<br /> 4'-0- 41.92 42.25 42.25 42.25 43.08 44.42 45.
<br />, (N) 5'-0. 38.92 39.08 39,25 39.08 39,92 41.08 41.
<br />: 2)(9 6'-0. 36.58 36,75 36.92 36,75 37.42 38.42 39.
<br /> 5MB 7'-0- 34,92 34,92 34,92 34.92 35.58 36.42 . 36,
<br /> 8'.0- 33.25 33.42 33.4~ 33.42 33.92 34,75 35.
<br /> I 9'.0. 31.92 32,08 32.08 32.08 32.58 \. 33.42 33,
<br /> : INTERPOLATION BETWEEN VALUES IS PERMISSIBLE"
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<br /> i ~ ALUMINUM STRUCTURES MASTER PLAN
<br /> i I 52 ENGI~RING,INC, @ COPYR1GHT AL, INC, 199(
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<br />
<br />LOSURE
<br />
<br />(M)
<br />2x8
<br />5MB
<br />
<br />5 19.25
<br />5 17,75
<br />5 16.75
<br />----
<br />5 15.75
<br />8 15,08
<br />2 14,42
<br />
<br />2 23.42
<br />8 21.58
<br />5 20.25
<br />08 19,08
<br />25 18.25
<br />42 17,42
<br />
<br />92 31,92
<br />25 29.25
<br />42 27.42
<br />92 25.92
<br />58 24,58
<br />58 23.58
<br />
<br />92 35.92
<br />08 33.08
<br />92 30,92
<br />25 29.25
<br />75 27,75
<br />58 26.58
<br />
<br />75 44.25
<br />58 40.75
<br />08 37.92
<br />08 35.92
<br />58 34.08
<br />25 32,75
<br />
<br />08
<br />75
<br />08
<br />92
<br />25
<br />92
<br />
<br />47.42
<br />43.58
<br />40.75
<br />38.58
<br />36,75
<br />35.08
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<br />19.25
<br />17,75
<br />16.75
<br />15.75
<br />15,08
<br />14.42
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<br />23.42
<br />21.58
<br />20.25
<br />19.08
<br />18.25
<br />17.42
<br />
<br />31.92
<br />29.25
<br />27.42
<br />25.92
<br />24,58
<br />23.58
<br />
<br />35.92
<br />33.08
<br />30.92
<br />29.25 ....
<br />27,75
<br />26.58
<br />
<br />44,25
<br />40,75
<br />37.92
<br />35.92
<br />34,08
<br />32,75
<br />
<br />
<br />48.42
<br />44.58
<br />41,58
<br />39.25
<br />37.42
<br />35.75
<br />
<br />. .
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