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Ribdeck 80 - Lightweight concrete<br />
Single - Unpropped<br />
Multiple - Unpropped<br />
Multiple - Propped<br />
Normal weight concrete<br />
Span/load table Lightweight concrete<br />
Support<br />
Condition<br />
Slab Concrete 0.9 Gauge 1.0 Gauge 1.2 Gauge<br />
Depth Volume Imposed Load Imposed Load Imposed Load<br />
(mm) (m3 /m2 ) FW 5.0 6.7 10.0 FW 5.0 6.7 10.0 FW 5.0 6.7 10.0<br />
130 0.098 3.90 3.90 3.89 3.10 3.90 3.90 3.90 3.16 3.90 3.90 3.90 3.26<br />
140 0.108 3.97 3.97 3.97 3.30 4.20 4.20 4.20 3.36 4.20 4.20 4.20 3.46<br />
150 0.118 3.88 3.88 3.88 3.51 4.28 4.28 4.28 3.57 4.44 4.44 4.44 3.67<br />
160 0.128 3.80 3.80 3.80 3.73 4.19 4.19 4.19 3.79 4.36 4.36 4.36 3.89<br />
175 0.133 3.68 3.68 3.68 3.68 4.07 4.07 4.07 4.07 4.25 4.25 4.25 4.23<br />
200 0.158 3.51 3.51 3.51 3.51 3.88 3.88 3.88 3.88 4.10 4.10 4.10 4.10<br />
250 0.208 3.23 3.23 3.23 3.23 3.58 3.58 3.58 3.58 3.85 3.85 3.85 3.85<br />
130 0.098 3.90 3.90 3.89 3.10 3.90 3.90 3.90 3.16 3.90 3.90 3.90 3.26<br />
140 0.108 4.20 4.20 4.15 3.30 4.20 4.20 4.20 3.36 4.20 4.20 4.20 3.46<br />
150 0.118 4.18 4.18 4.18 3.51 4.50 4.50 4.49 3.57 4.50 4.50 4.50 3.67<br />
160 0.128 4.09 4.09 4.09 3.73 4.56 4.56 4.56 3.79 4.80 4.80 4.80 3.89<br />
175 0.133 3.96 3.96 3.96 3.96 4.43 4.43 4.43 4.11 5.18 5.18 5.18 4.23<br />
200 0.158 3.77 3.77 3.77 3.77 4.22 4.22 4.22 4.22 4.95 4.95 4.95 4.79<br />
250 0.208 3.47 3.47 3.47 3.47 3.89 3.89 3.89 3.89 4.58 4.58 4.58 4.58<br />
130 0.098 3.90 3.90 3.80 3.10 3.90 3.90 3.86 3.16 3.90 3.90 3.90 3.26<br />
140 0.108 4.20 4.20 4.04 3.30 4.20 4.20 4.11 3.36 4.20 4.20 4.20 3.46<br />
150 0.118 4.50 4.50 4.30 3.51 4.50 4.50 4.37 3.57 4.50 4.50 4.49 3.67<br />
160 0.128 4.80 4.80 4.56 3.73 4.80 4.80 4.63 3.79 4.80 4.80 4.75 3.89<br />
175 0.133 5.25 5.25 4.95 4.05 5.25 5.25 5.02 4.11 5.25 5.25 5.15 4.23<br />
200 0.158 6.00 6.00 5.59 4.59 6.00 6.00 5.67 4.66 6.00 6.00 5.82 4.79<br />
250 0.208 6.50 6.50 6.50 5.67 6.50 6.50 6.50 5.76 6.50 6.50 6.50 5.91<br />
Simplified fire design table Lightweight concrete<br />
Fire Rating Slab Span (m) for given Imposed Load (kN/m2 (Hrs) Depth<br />
(mm) 5.0<br />
A142<br />
6.7 10.0<br />
)<br />
A193 A252<br />
5.0 6.7 10.0 5.0 6.7 10.0 5.0<br />
A393<br />
6.7 10.0<br />
130 3.62 3.25 2.78 3.87 3.48 2.98 3.90 3.72 3.10 3.90 3.89 3.10<br />
140 3.85 3.47 2.98 4.15 3.73 3.20 4.20 4.00 3.30 4.20 4.15 3.30<br />
150 4.04 3.65 3.14 4.18 3.94 3.38 4.18 4.18 3.51 4.18 4.18 3.51<br />
1.0 160 4.09 3.78 3.26 4.09 4.09 3.52 4.09 4.09 3.73 4.09 4.09 3.73<br />
175 3.96 3.89 3.36 3.96 3.96 3.63 3.96 3.96 3.90 3.96 3.96 3.96<br />
200 - - - 3.77 3.77 3.77 3.77 3.77 3.77 3.77 3.77 3.77<br />
250 - - - - - - 3.47 3.47 3.47 3.47 3.47 3.47<br />
140 3.37 3.04 2.61 3.68 3.31 2.84 3.99 3.59 3.08 4.20 4.13 3.30<br />
150 3.59 3.24 2.79 3.93 3.55 3.05 4.18 3.85 3.31 4.18 4.18 3.51<br />
1.5 160 3.76 3.40 2.93 4.09 3.73 3.21 4.09 4.06 3.50 4.09 4.09 3.73<br />
175 3.84 3.49 3.02 3.96 3.82 3.31 3.96 3.96 3.60 3.96 3.96 3.96<br />
200 - - - 3.77 3.77 3.44 3.77 3.77 3.74 3.77 3.77 3.77<br />
250 - - - - - - 3.47 3.47 3.47 3.47 3.47 3.47<br />
150 3.18 2.87 2.47 3.53 3.19 2.75 3.89 3.51 3.02 4.18 4.12 3.51<br />
160 3.37 3.05 2.63 3.75 3.39 2.93 4.09 3.74 3.22 4.09 4.09 3.73<br />
2.0 175 3.49 3.17 2.74 3.89 3.54 3.06 3.96 3.90 3.37 3.96 3.96 3.96<br />
200 - - - 3.77 3.64 3.17 3.77 3.77 3.49 3.77 3.77 3.77<br />
250 - - - - - - 3.47 3.47 3.47 3.47 3.47 3.47<br />
Refer to page 7 for notes on the use of these tables<br />
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