SmartFrame Subfloor 2011.pdf - Tilling Timber
SmartFrame Subfloor 2011.pdf - Tilling Timber
SmartFrame Subfloor 2011.pdf - Tilling Timber
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FLOOR BEARERS SUPPORTING ROOF VIA SINGLE OR UPPER<br />
STOREY LOADBEARING WALLS - Wind Classification: N1 - N3<br />
Roof load width<br />
Load<br />
bearing<br />
wall<br />
Bottom plate<br />
Single or<br />
Upper storey<br />
bearer<br />
Floor joists<br />
Example:<br />
sheet roof - 40 kg/m 2<br />
roof load width = 1450 mm<br />
bearer span = 1500 mm (single span)<br />
floor load width = 1500 mm<br />
Enter single span table at 2400 mm in floor load<br />
width column, 1500 roof load width column, read<br />
down to a span equal to or greater than 1500 mm<br />
in the 40 kg/m 2 row.<br />
Bearer span<br />
Floor load width<br />
Sizes in Italics are non standard LVL (F17) sizes. Check availability with your <strong>SmartFrame</strong> stockist before ordering.<br />
SINGLE SPAN<br />
Floor Load Width (mm) 1200 2400 4800<br />
Roof Load Width (mm) 1500 4500 7500 1500 4500 7500 1500 4500 7500<br />
Member Size Roof Mass Maximum Bearer span (mm)<br />
(DXB) mm (kg/m 2 ) Single span<br />
2/90x35 40 1400 1250 1150 1200 1100 1050 1000 NS NS<br />
75 1300 1100 1000 1150 1050 NS 1000 NS NS<br />
2/120x35 40 1850 1650 1550 1600 1500 1400 1350 1300 1250<br />
75 1750 1500 1350 1550 1400 1250 1350 1200 1150<br />
2/130x35 40 2000 1800 1650 1750 1650 1550 1450 1400 1350<br />
75 1900 1600 1450 1700 1500 1350 1450 1350 1250<br />
2/140x35 40 2150 1950 1800 1900 1750 1650 1600 1500 1450<br />
75 2050 1750 1550 1850 1600 1500 1550 1450 1350<br />
2/150x35 40 2300 2100 1900 2050 1900 1750 1700 1600 1550<br />
75 2200 1900 1700 1950 1750 1600 1650 1550 1450<br />
2/170x35 40 2650 2350 2150 2300 2150 2000 1950 1850 1750<br />
75 2500 2150 1900 2250 1950 1800 1900 1750 1650<br />
2/190x35 40 2950 2650 2450 2600 2400 2250 2150 2050 1950<br />
75 2800 2400 2150 2500 2200 2000 2100 1950 1850<br />
2/200x35 40 3100 2800 2550 2700 2500 2350 2250 2150 2100<br />
75 2950 2500 2250 2600 2300 2100 2200 2050 1950<br />
2/240x35 40 3650 3300 3050 3250 3000 2850 2750 2600 5 25005<br />
75 3500 3000 2700 3150 2800 2550 2650 2450 5 2300 10<br />
2/290x35 40 4200 3900 3650 3850 3600 3400 330010 315010 300015<br />
75 4050 3600 32505 3750 3350 310010 320010 300015 280020<br />
2/300x35 40 4350 4000 3750 3950 3700 3550 3400 10 3250 15 3100 15<br />
75 4150 3700 3350 10 3850 3450 5 3200 15 3350 10 3100 15 2900 25<br />
90x42 40 1150 1050 NS 1000 NS NS NS NS NS<br />
75 1100 NS NS 1000 NS NS NS NS NS<br />
120x42 40 1550 1400 1300 1350 1250 1200 1150 1100 1050<br />
75 1500 1250 1150 1300 1150 1050 1100 1050 NS<br />
130x42 40 1700 1500 1400 1500 1350 1300 1250 1200 1150<br />
75 1600 1350 1200 1450 1250 1150 1200 1100 1050<br />
140x42 40 1850 1650 1500 1600 1500 1400 1350 1250 1200<br />
75 1750 1450 1300 1550 1350 1250 1300 1200 1150<br />
150x42 40 1950 1750 1600 1700 1600 1500 1450 1350 1300<br />
75 1850 1600 1400 1650 1450 1350 1400 1300 1200 5<br />
170x42 40 2250 2000 1850 1950 1800 1700 1650 1550 1500 5<br />
75 2100 1800 1600 1900 1650 1500 1600 14505 140010<br />
190x42 40 2500 2250 2050 2200 2000 1900 18005 17505 165010<br />
75 2350 2000 1800 2100 1850 17005 18005 165010 155015<br />
200x42 40 2600 2350 2150 2300 2100 2000 1900 10 1850 10 1750 10<br />
75 2500 2100 19005 2200 1950 180010 190010 175015 160020<br />
240x42 40 3150 2800 2600 2750 2550 24005 230015 220020 210020<br />
75 3000 25505 230015 2650 235010 215020 225020 210025 195030<br />
290x42 40 3750 3400 315010 33005 310010 290015 280030 265030 255035<br />
75 3600 305010 275025 32005 285020 260030 275030 250035 235045<br />
300x42 40 3850 35005 325010 345010 320010 300020 290030 275035 265040<br />
75 3700 315015 285025 330010 295020 270035 280035 260040 245045<br />
<strong>SmartFrame</strong> Sub-floor Design Guide 19
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