3″ Composite Deck (LIGHTWEIGHT CONCRETE – 115 pcf)

Type 3” composite cellular deck is utilized in exposed ceiling areas where a flat bottom deck is desired for aesthetic purposes under a slab and the spans exceed the capability of type 2” composite cellular deck.

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All of our deck products meet the requirements for steel deck certification specifications of Steel Deck Institute.

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Description

Type 3” composite cellular deck is utilized in exposed ceiling areas where a flat bottom deck is desired for aesthetic purposes under a slab and the spans exceed the capability of type 2” composite cellular deck.

Lightweight 3” Concrete Composite Floor Deck

3” Composite deck is used when the spans and loads exceed the capabilities of 1-1/2” and 2” Composite deck.

Section Properties (Fy=40 ksi)

Gage Top/BotWeight (psf) GalvIp(In4) In(In4Sp(In3) Sn(In3)
20/203.651.4171.2960.6390.604
20/184.151.5321.5320.7230.654
18/204.151.7341.4660.8650.78
18/184.721.8911.8910.8860.826
18/165.282.022.020.9050.903
16/185.242.2462.2461.0971.01
16/166.552.4052.4051.1211.087

– Section properties calculated in accordance with AISI specifications

Superimposed Live Load in Pounds Per Square Foot

Slab DepthGageOne Max Unshored Clear SpanTwo Max Unshored Clear SpanThree Max Unshored Clear Span9’-0”9’-6” 10’-0”10’-6”11’-0”11’-6” 12’-0”12’-6” 13’-0” 13’-6”14’-0”
5.5”228’-7” 8’-9”9’-1”201 177157139124 1111008980 7265
5.5”209’-11”12’-4”12’-9”244216192171153 1371241121019183
5.5”1812’-1”14’-3”14’-9”318283 252226203183166150136124113
5.5”1614’-1”16’-0”16’-5393350312280253 229207189172 157144
6.0”228’-3”8’-1”8’-5”233205182162145129116104948576
6.0”209’-6”11’-6” 11’-11”28325022219917816014413011810797
6.0”1811’-6”13’-9”14’-2”369328293262236213193175159145132
6.0”1613’-5”15’-5”15’-11”400400363326294266 241220200183168
6.25”228’-1”7’-9”8’-1”2492201951741551391251121019182
6.25”209’-3”11’-1”11’-6”303268239213191172 155140127115104
6.25”1811’-3”13’-6”13’-11”396351314281253228 207188 171156142
6.25”1613’-1”15’-1”15’-7”400400389350315285259236215197180
6.5”227’-11” 7’-6’7’-10”266 235209186166149134120108 9888
6.5”209’-1”10’-8” 11’-1” 324286255228204184166150135123112
6.5”1810’-12”13’-3”13’-8”400376335301270244221201183167152
6.5”1612’-10”14’-10”15’-4”400400400374337305277252230211193
7.25”227’-5”6’-9”7’-1”319282 250223200179161145 131118107
7.25”208’-7”9’-8”10’-0”388343306273245221199180 163148135
7.25”1810’-4”12’-712’-12”400 400400361325294266242220 201184
7.25”1612’-1”14’-1”14’-7”400400400 400400368334304278255234

Notes: 1. Load tables are calculated using section properties based on the steel design thickness shown in the Steel Deck Institute (SDI) design manual. 2. Minimum exterior bearing length required is 1.5 inches. Minimum interior bearing length is 3 inches. If these minimum lengths are not provided, web crippling must be checked.

 

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