Table No.1:
Span length (L) of panel in flatwise bending panels are simply supported W or WL is applied design uniform loading, P.S.F. (Pounds per Square Foot)
SKIN is 3003-H 154 ALUMINUM
d
INCH
wd
P.S.F.
t
INCH
Core
Density
SEE NOTE 2 = L/80
= L/180
= L/240
W=10
W=20
W=30
W=40
WL=10
WL=20
WL=30
WL=40
WL=10
WL=20
WL=30
WL=40
3"
1.2
.024
1.0
17'0"
12'8"
10'9"
9'1"
13'9"
10'4"
8'6"
XXXXX
12'3"
9'0"
7'4"
XXXXX
2.0
14'9"
11'4"
9'7"
8'6"
13'3"
10'0"
8'6"
7'8"
1.4
.032
1.0
18'8"
14'6"
12'0"
10'5"
15'1"
11'1"
9'0"
XXXXX
13'3"
97"
8'0"
XXXXX
2.0
16'0"
12'4"
10'4"
9'2"
14'3"
10'11"
9'3"
8'0"
3.5"
1.3
.024
1.0
17'0"
12'8"
10'9"
9'1"
15'3"
11'6"
9'6"
8'3"
13'8"
10'0"
8'3"
XXXXX
2.0
16'3"
12'6"
10'8"
9'5"
14'6"
11'7"
9'6"
8'7"
1.5
.032
1.0
18'8"
14'6"
12'0"
10'5"
16'6"
12'9"
10'1"
8'10"
14'9"
10'9"
8'10"
XXXXX
2.0
17'11"
13'9"
12'5"
10'8"
16'0"
12'4"
10'3"
9'0"
4"
1.4
.024
1.0
20'0"
14'7"
12'1"
10'6"
17'0"
12'8"
10'5"
9'0"
15'2"
11'1"
9'0"
XXXXX
2.0
17'10"
13'10"
11'9"
10'6"
16'0"
12'4"
10'4"
9'6"
1.6
.032
1.0
XXXXX
16'9"
13'10"
12'1"
18'0"
13'8"
11'3"
9'8"
16'4"
11'11"
9'8"
XXXXX
2.0
19'6"
15'0"
12'10"
11'3"
17'4"
13'4"
11'3"
9'11"
6"
1.7
.024
1.0
XXXXX
17'9"
14'9"
12'10"
22'0"
17'0"
14'2"
12'3"
20'2"
14'11"
12'3"
10'7"
2.0
23'6"
18'7"
15'11"
14'1"
21'6"
16'9"
14'2"
12'6"
1.9
.032
1.0
XXXXX
20'0"
16'11"
14'9"
23'0"
18'4"
15'2"
13'2"
21'0"
16'1"
13'2"
11'3"
2.0
24'0"
20'6"
17'0"
16'1"
22'6"
18'0"
15'8"
13'4"
Core material is expanded polystyrene (EPS) with design densities of 1#/CF or 2#/CF as indicated
Span L values to the right of the L/80 - W=40 column are governed by deflection L/180 or L/240. Values to the left and including this same column ar elimited by allowance bending stress Fb=6,000PSI. The values governed by deflection are clear span lengths based on teh applied live load listed as WL, PSF. Add aproximately 2 inches to these values to obtain span lengths C to C of bearings. The values limited by stress (listed under columns L/80, L/180, & L/240 are span lengths C to C of bearings. They are based on the sum of live load WL and panel weight Wd listed as W (W=WL + Wd). Subtract Wd from W to obtain the design live load WL. Span lengths for W or WL loadings other than listed above my be obtained by straight line interpolation.