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Type BI Inverted Form Deck

Helpful Hint: Type "B" inverted form deck is used when the spans and loads exceed the capability of standard and heavy duty form decks.


Section Properties (Fy=33 ksi)        
Gage Design Thickness Weight (psf)GIv Ip(In4) Sp(In3) Sn(In3) Download
22 0.0295 1.61 0.188 0.192 0.187
20 0.0358 2.04 0.230 0.243 0.232
18 0.0474 2.70 0.305 6i6 0.315
Section properties calculated in accordance with AISI specifications      

Span
Condition		 Gage Design
Criteria		 Uniform Total Load in Pounds Per Square Foot (Dead and Live)
5'-0"
5'-6"
6'-0"
6'-6"
7'-0"
7'-6"
8'-0"
8'-6"
9'-0"
        One        22 36000 101 83 70 60 51 45 39 35 - 
L/240 98 74 57 44 36 29 24 20 - 
L/180 - - - 59 48 39 32 26 -
20 36000 128 105 89 75 65 57 50 44 39
L/240 120 90 69 54 43 35 29 24 20
L/180 - - 93 73 -'58- 47 39 32 27
18  36000 171 142 119 101 87 76 67 59 53
L/240 160 120 92 72 58 47 39 32 27
L/180 - - 123 97 77 63 52 43 36
        Two         22  36000 98 81 68 58 50 43 38 34 30
L/240 - - - - 86 70 58 48 40
L/180 - - - - - - 77 64 54
20 36000 122 101 84 72 62 54 47 42 37
L/240 - - - - - - 70 59 49
L/180 - - - - - - - - -
18 36000 166 137 115 98 84 74 65 57 51
L/240 - - - - - - - - -
L/180 - - - - - - - - -
      Three or More        22   36000 123 101 85 72 62 54 48 42 38
L/240 - - - 85 68 55 45 38 32
L/180 - - - - - 73 60 50 42
20 36000 152 126 106 90 78 67 59 52 47
L/240 - - - 103 83 67 55 46 39
L/180 - - - - - 90 74 61 52
18 36000 208 172 144 12 106 92 81 72 64
L/240 - - - - 110 89 74 61 51
L/180 - - - - - - - - 69






 
James River Steel, Inc.
P.O. Box 11498
Richmond, VA 23230 		 Contact us through
E-mail: info@jamesriversteel.com 		1-800-825-0717 Toll Free
1-804-285-0717 in Virginia
1-804-285-0780 Fax
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