Technical Manual - Rlsd

Ribdeck AL - Lightweight concrete
Single - Unpropped
Multiple - Unpropped
Multiple - Propped
Lightweight concrete
Span/load table Lightweight concrete
Support
Condition
Slab Concrete 0.9 Gauge 1.0 Gauge 1.2 Gauge
Depth Volume Imposed Load Imposed Load Imposed Load
(mm) (m3 /m2 ) FW 5.0 6.7 10.0 FW 5.0 6.7 10.0 FW 5.0 6.7 10.0
110 0.095 3.27 3.27 3.27 2.67 3.30 3.30 3.30 2.72 3.30 3.30 3.30 2.80
120 0.105 3.18 3.18 3.18 2.88 3.28 3.28 3.28 2.93 3.46 3.46 3.46 3.01
130 0.115 3.09 3.09 3.09 3.09 3.19 3.19 3.19 3.15 3.37 3.37 3.37 3.23
150 0.125 2.95 2.95 2.95 2.95 3.05 3.05 3.05 3.05 3.22 3.22 3.22 3.22
175 0.150 2.80 2.80 2.80 2.80 2.90 2.90 2.90 2.90 3.06 3.06 3.06 3.06
200 0.175 2.68 2.68 2.68 2.68 2.77 2.77 2.77 2.77 2.93 2.93 2.93 2.93
250 0.225 2.49 2.49 2.49 2.49 2.58 2.58 2.58 2.58 2.73 2.73 2.73 2.73
110 0.095 3.30 3.30 3.30 2.67 3.30 3.30 3.30 2.72 3.30 3.30 3.30 2.80
120 0.105 3.49 3.49 3.49 2.88 3.60 3.60 3.60 2.93 3.60 3.60 3.60 3.01
130 0.115 3.41 3.41 3.41 3.10 3.69 3.69 3.69 3.15 3.90 3.90 3.90 3.23
150 0.125 3.27 3.27 3.27 3.27 3.53 3.53 3.53 3.53 3.81 3.81 3.81 3.70
175 0.150 3.11 3.11 3.11 3.11 3.35 3.35 3.35 3.35 3.62 3.62 3.62 3.62
200 0.175 2.97 2.97 2.97 2.97 3.21 3.21 3.21 3.21 3.47 3.47 3.47 3.47
250 0.225 2.72 2.72 2.72 2.72 2.99 2.99 2.99 2.99 3.23 3.23 3.23 3.23
110 0.095 3.30 3.30 3.27 2.63 3.30 3.30 3.30 2.72 3.30 3.30 3.30 2.80
120 0.105 3.60 3.60 3.47 2.79 3.60 3.60 3.60 2.91 3.60 3.60 3.60 3.01
130 0.115 3.90 3.90 3.66 2.95 3.90 3.90 3.81 3.07 3.90 3.90 3.90 3.23
150 0.125 4.50 4.50 4.04 3.25 4.50 4.50 4.19 3.39 4.50 4.50 4.50 3.65
175 0.150 5.25 5.17 4.46 3.60 5.25 5.25 4.62 3.75 5.25 5.25 4.95 4.03
200 0.175 5.90 5.58 4.83 3.92 6.00 5.78 5.01 4.08 6.00 6.00 5.36 4.38
250 0.225 5.46 5.46 5.46 4.49 5.92 5.92 5.69 4.66 6.41 6.41 6.06 4.99
Simplified fire design table Lightweight concrete
Fire Rating Slab Span (m) for given Imposed Load (kN/m2 (Hrs) Depth
(mm) 5.0
A142
6.7
)
A193
10.0 5.0 6.7 10.0 5.0
A252
6.7 10.0
110 3.30 3.18 2.67 3.30 3.30 2.67 3.30 3.30 2.67
120 3.49 3.37 2.88 3.49 3.49 2.88 3.49 3.49 2.88
130 3.41 3.41 3.01 3.41 3.41 3.10 3.41 3.41 3.10
1.0 150 3.27 3.27 3.15 3.27 3.27 3.27 3.27 3.27 3.27
175 - - - 3.11 3.11 3.11 3.11 3.11 3.11
200 - - - 2.97 2.97 2.97 2.97 2.97 2.97
250 - - - - - - 2.72 2.72 2.72
120 3.35 3.01 2.58 3.49 3.31 2.83 3.49 3.49 2.88
130 3.41 3.17 2.73 3.41 3.41 3.00 3.41 3.41 3.10
1.5 150 3.27 3.27 2.85 3.27 3.27 3.13 3.27 3.27 3.27
175 - - - 3.11 3.11 3.11 3.11 3.11 3.11
200 - - - 2.97 2.97 2.97 2.97 2.97 2.97
250 - - - - - - 2.72 2.72 2.72
130 3.18 2.87 2.47 3.41 3.20 2.75 3.41 3.41 3.03
150 3.27 3.02 2.61 3.27 3.27 2.91 3.27 3.27 3.22
2.0 175 - - - 3.11 3.11 3.03 3.11 3.11 3.11
200 - - - 2.97 2.97 2.97 2.97 2.97 2.97
250 - - - - - - 2.72 2.72 2.72
Refer to page 7 for notes on the use of these tables
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