ComFlor SR DESIGN INFORMATION
ComFlor SR
SECTION PROPERTIES (PER METRE WIDTH)
NOMINAL THICKNESS (mm)
DESIGN THICKNESS (mm)
PROFILE WEIGHT (kN/m²)
0.75 0.90 1.00 1.25
0.75 0.86 1.00 1.21
0.10 0.11 0.13 0.16
CROSS HEIGHT TO SECTIONAL AXIS AREA OF STEEL NEUTRAL (mm) (mm²/m)
1273 1459 1697 2053
MOMENT OF INERTIA
ULTIMATE MOMENT CAPACITY
SAGGING (cm⁴/m)
HOGGING (cm⁴/m)
SAGGING (kNm/m)
HOGGING (kNm/m)
42.96 50.09 59.42 68.98
31.73 38.01 44.44 58.29
5.81 7.61 9.55 11.63
5.35 6.89 9.07 11.14
15.43 15.43 15.55 15.66
• Section properties in table above conform to BS5950/ASNZS2327
ComFlor SR SLAB THICKNESS (mm)
110 120 130 140 150 160 170 180 190 210 220 230 240 250
COMPOSITE SLAB - CONCRETE VOLUMES AND WEIGHT VOLUME/WEIGHT OF CONCRETE (kPa) NO PONDING¹ VOLUME m³/m²
WET (kPa) (2400kg/m²)
0.101 2.38 0.111 2.61 0.121 2.85 0.131 3.08 0.141 3.32 0.151 3.56 0.161 3.79 0.171 4.03 0.181 4.26 0.201 4.73 0.211 4.97 0.221 5.20 0.231 5.44 0.241 5.67 1. Deck deflection (ie ponding) is not allowed for in the table
DRY (kPa) (2350kg/m²)
2.33 2.56 2.79 3.02 3.25 3.48 3.71 3.94 4.17 4.63 4.86 5.09 5.33 5.56
VOLUME/WEIGHT OF CONCRETE (kPa) 15mm PONDING² VOLUME m³/m²
WET (kPa) (2400kg/m²)
DRY (kPa) (2350kg/m²)
0.112 2.63 2.57 0.122 2.86 2.80 0.132 3.10 3.03 0.142 3.33 3.26 0.152 3.57 3.49 0.162 3.80 3.72 0.172 4.04 3.95 0.182 4.27 4.18 0.192 4.51 4.41 0.212 4.98 4.88 0.222 5.21 5.11 0.232 5.45 5.34 0.242 5.69 5.57 0.252 5.92 5.80 2. Deck deflection (ie ponding) is calculated at a nominal 15mm in the table
Notes • Deck and mesh weight is not included in the weight of concrete figures • Density of concrete (wet and dry) is taken at the values noted in the table • The ComFlor SR profile takes the equivalent of 9mm out of the slab depth concrete volume
DESIGN NOTES DECK MATERIAL
QUICK REFERENCE TABLES
TECHNICAL SERVICES
Zinc coated steel to AS 1397 G500/550, Z275/450, with a minimum yield stress of 500/550 N/mm². Minimum zinc coating mass is 275/450 g/m² total including both sides.
The quick reference load/span tables are intended as a guide for initial design only. Full design can be carried out using the ComFlor software available free on request, or download at www.comflor.nz
The ComFlor Technical Department offers a comprehensive advisory service for composite flooring to all specifiers and users.
Should queries arise which are not covered by this literature or by the ComFlor design software, please contact us: Ph (09) 271 1792, comflor@comflor.nz
OCT 17
For more information call us on
Built into the fabric 09 271 1788 of New Zealand construction www.comflor.nz
QUICK REFERENCE CONSTRUCTION-STAGE TABLES Spans have been calculated using ComFlor software. This information is indicative and for information purposes only. ComFlor software should always be used to determine the span, capacity and design requirements of the ComFlor slab.
ComFlor SR
UNPROPPED DOUBLE SPANS 0.75mm
SLAB THICKNESS
BEAM CENTRES (m)
110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260
2.90 2.75 2.65 2.55 2.50 2.40 2.35 2.25 2.20 2.15 2.10 2.05 2.00 1.95 1.90 1.85
0.90mm
SOFFIT DEFLECTION STRENGTH (mm) UTILISATION
13 10 10 9 9 8 9 8 8 8 7 7 6 6 6 6
99% 97% 97% 97% 99% 97% 99% 96% 97% 97% 97% 97% 97% 96% 96% 95%
BEAM CENTRES (m)
1.00mm
SOFFIT DEFLECTION STRENGTH (mm) UTILISATION
3.20 3.10 3.10 3.00 2.90 2.80 2.70 2.65 2.60 2.50 2.45 2.40 2.35 2.30 2.25 2.20
15 15 16 14 14 14 13 12 12 11 10 10 9 9 9 8
99% 93% 99% 98% 98% 98% 97% 98% 99% 97% 98% 99% 99% 99% 99% 98%
BEAM CENTRES (m)
3.65 3.55 3.45 3.35 3.30 3.20 3.15 3.10 3.05 3.00 2.95 2.85 2.80 2.75 2.70 2.65
1.25mm
SOFFIT DEFLECTION STRENGTH (mm) UTILISATION
21 21 20 19 19 18 18 18 18 18 17 16 16 15 15 15
98% 98% 97% 97% 99% 92% 94% 95% 96% 97% 99% 97% 98% 98% 98% 99%
BEAM CENTRES (m)
SOFFIT DEFLECTION STRENGTH (mm) UTILISATION
3.85 3.75 3.65 3.60 3.50 3.45 3.35 3.30 3.25 3.20 3.15 3.10 3.05 3.00 2.90 2.85
22 22 22 22 21 21 20 20 20 20 19 19 19 18 17 17
94% 94% 95% 97% 97% 99% 97% 93% 94% 96% 97% 98% 99% 99% 97% 98%
Notes: • Spans are measured from centre to centre, assuming a 150mm support width. • Ponding has been taken into account. • Refer to ComFlor software to complete a full design and to print out design values.
ComFlor SR
UNPROPPED SINGLE SPANS 0.75mm
SLAB THICKNESS
CLEAR SPAN (m)
110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260
2.55 2.45 2.40 2.35 2.30 2.25 2.20 2.15 2.10 2.05 2.00 1.95 1.90 1.90 1.85 1.80
0.90mm
SOFFIT DEFLECTION STRENGTH (mm) UTILISATION
20 19 19 19 18 18 18 18 17 17 16 15 14 15 14 14
98% 95% 96% 97% 98% 98% 98% 98% 97% 96% 96% 95% 94% 97% 95% 93%
CLEAR SPAN (m)
2.70 2.60 2.55 2.50 2.45 2.40 2.35 2.30 2.25 2.20 2.20 2.15 2.10 2.10 2.05 2.00
1.00mm
SOFFIT DEFLECTION STRENGTH (mm) UTILISATION
21 20 21 20 20 20 20 19 19 18 19 17 17 17 16 16
82% 80% 82% 83% 83% 84% 84% 84% 84% 83% 87% 86% 85% 88% 87% 85%
CLEAR SPAN (m)
2.85 2.75 2.70 2.65 2.60 2.50 2.50 2.40 2.35 2.35 2.30 2.25 2.20 2.20 2.15 2.10
1.25mm
SOFFIT DEFLECTION STRENGTH (mm) UTILISATION
22 21 21 21 21 20 20 19 18 19 18 18 17 18 17 17
72% 71% 72% 73% 74% 72% 75% 72% 72% 75% 75% 74% 74% 76% 75% 74%
CLEAR SPAN (m)
2.95 2.85 2.80 2.75 2.70 2.65 2.60 2.55 2.50 2.45 2.40 2.40 2.35 2.30 2.25 2.25
SOFFIT DEFLECTION STRENGTH (mm) UTILISATION
22 22 22 22 22 21 21 21 20 20 19 19 19 18 18 18
63% 62% 64% 65% 65% 66% 66% 67% 67% 67% 66% 69% 68% 68% 67% 69%
Notes: • Spans are measured on the clear span. • Ponding has been taken into account. • Refer to ComFlor software to complete a full design and to print out design values. Should queries arise which are not covered by this literature or by the ComFlor design software, please contact us: Ph (09) 271 1792, comflor@comflor.nz
OCT 17
For more information call us on
Built into the fabric 09 271 1788 of New Zealand construction www.comflor.nz