SmartLVL 15 Design Guide - Tilling Timber
SmartLVL 15 Design Guide - Tilling Timber
SmartLVL 15 Design Guide - Tilling Timber
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STRUTTING/COUNTER BEAM SUPPORTING UNDERPURLINS & HANGING BEAMAS 4055 CLASSIFICATION N1, N2 AND N3 [Cont’d]ceiling mass - 20 kg/m 2Effective beam spacing (mm) 1800 3600Roof area supported (m 2 ) 2 4 6 8 10 12 2 4 6 8 10 12Member sizeDxB (mm)NOTES:Roof mass(kg/m 2 )Maximum strutting seam span (mm)<strong>15</strong>0x42 40 2950 2400 2050 1800 1650 1400 2600 2250 1950 1750 1600 140075 2550 1950 1650 1450 1300 1<strong>15</strong>0 2350 1850 1600 1400 1250 1<strong>15</strong>0170x42 40 3400 2800 2450 2200 2000 1750 3000 2600 2300 2100 1900 170075 2950 2350 1950 1700 <strong>15</strong>50 1400 2700 2200 1900 1700 <strong>15</strong>00 1400190x42 40 3800 3250 2850 2550 2300 2<strong>15</strong>0 3400 3000 2650 2450 2250 210075 3400 2700 2300 2000 1800 1650 3100 2550 2200 1950 1800 1650200x42 40 3950 3450 3050 2750 2500 2300 3600 3<strong>15</strong>0 2850 2600 2400 225075 3600 2900 2450 2200 1950 1800 3300 2750 2400 2100 1950 1800240x42 40 4550 4100 3800 3500 3200 3000 4<strong>15</strong>0 3850 3600 3300 3050 285075 4250 3650 3200 2850 2550 2350 3900 3450 3050 2750 2500 2300290x42 40 5300 4800 4450 4200 3950 3800 4800 4450 4200 4000 3800 365075 4950 4350 3950 3650 3350 3100 4550 4100 3800 3550 3250 3000300x42 40 5450 4950 4600 4300 4100 3900 4900 4600 4350 4100 3950 380075 5100 4500 4100 3800 3500 3250 4700 4250 3900 3650 3400 3<strong>15</strong>02/<strong>15</strong>0x42 40 3700 3200 2800 2500 2300 2100 3350 2950 2650 2400 2200 205075 3350 2650 2250 2000 1800 1650 3050 2550 2200 1950 1750 16502/170x42 40 4100 3700 3300 2950 2750 2550 3750 3400 3100 2800 2600 245075 3800 3<strong>15</strong>0 2700 2400 2<strong>15</strong>0 2000 3500 2950 2600 2350 2100 19502/190x42 40 4500 4050 3750 3450 3<strong>15</strong>0 2950 4100 3800 3550 3250 3050 285075 4<strong>15</strong>0 3650 3<strong>15</strong>0 2800 2550 2350 3850 3400 3000 2700 2500 23002/200x42 40 4650 4250 3900 3650 3400 3<strong>15</strong>0 4250 3950 3700 3450 3250 305075 4350 3800 3400 3000 2750 2550 4050 3600 3200 2900 2650 24502/240x42 40 5350 4900 4600 4300 4100 3900 4900 4550 4300 4100 3950 380075 5050 4450 4050 3800 3550 3300 4650 4250 3900 3650 3400 32002/290x42 40 6<strong>15</strong>0 5700 5350 5100 4850 4650 5600 5300 5050 4800 4650 445075 5850 5250 4800 4500 4250 4050 5400 4950 4600 4350 4<strong>15</strong>0 39502/300x42 40 6300 5850 5500 5250 5000 4800 5750 5450 5200 4950 4750 460075 6000 5400 4950 4650 4400 4<strong>15</strong>0 5500 5100 4750 4500 4250 41002/360x42 40 7<strong>15</strong>0 6750 6400 6100 5850 5600 6550 6250 6000 5750 5550 540075 6850 6250 5800 5450 5200 4950 6300 5900 5550 5250 5000 48002/400x42 40 7700 7300 6950 6650 6400 6<strong>15</strong>0 7050 6750 6500 6250 6050 590075 7400 6800 6350 6000 5700 5450 6850 6400 6050 5750 5500 5300<strong>15</strong>0x58 40 3300 2750 2400 2100 1900 1750 2950 2550 2250 2050 1850 175075 2900 2250 1900 1650 <strong>15</strong>00 1400 2650 2<strong>15</strong>0 1850 1650 <strong>15</strong>00 1350170x58 40 3750 3200 2800 2500 2300 2<strong>15</strong>0 3350 2950 2650 2400 2200 205075 3400 2700 2300 2000 1800 1650 3050 2550 2200 1950 1800 1650200x58 40 4300 3850 3500 3<strong>15</strong>0 2900 2700 3900 3600 3250 3000 2750 260075 3950 3350 2850 2550 2300 2100 3650 3<strong>15</strong>0 2750 2450 2250 2100240x58 40 4950 4500 4<strong>15</strong>0 3900 3650 3450 4500 4<strong>15</strong>0 3900 3700 3500 330075 4600 4050 3650 3300 3000 2750 4250 3850 3500 3<strong>15</strong>0 2900 2700300x58 40 5850 5400 5000 4750 4500 4300 5300 5000 4700 4500 4300 4<strong>15</strong>075 5500 4900 4500 4<strong>15</strong>0 3900 3700 5050 4650 4300 4050 3800 3650360x58 40 6700 6200 5850 5550 5300 5100 6050 5750 5500 5250 5050 485075 6350 5700 5250 4900 4650 4400 5850 5400 5050 4750 4500 4300400x58 40 7200 6750 6400 6050 5800 5550 6550 6200 5950 5700 5500 535075 6850 6250 5800 5400 5100 4900 6300 5850 5500 5200 4950 4750450x58 40 7800 7400 7000 6700 6400 6200 7100 6800 6550 6300 6100 590075 7500 6850 6400 6000 5700 5450 6900 6450 6050 5750 5500 5300300x75 40 6<strong>15</strong>0 5700 5350 5100 4850 4650 5600 5300 5050 4800 4650 445075 5850 5250 4800 4500 4250 4050 5400 4950 4600 4350 4100 3950400x75 40 7550 7100 6750 6450 6200 6000 6900 6600 6350 6100 5900 570075 7250 6650 6200 5800 5500 5250 6650 6250 5900 5600 5350 51001. D = member depth, B = member breadth, NS = not suitable.2. Minimum bearing length = 70 mm at end supports3. The above table was based on a maximum ceiling mass of 20 (kg/m 2 )4. Top edge of strutting/counter beams with D/B > 3 shall be laterally restrained as per details on page 65. Not all sizes of <strong>SmartLVL</strong> <strong>15</strong> in this table are stocked in each state. (F17 sizes of 120, 140, 190 and 290 mm depths not currently stocked in WA). Pleasecheck with your supplier before ordering.<strong>SmartLVL</strong> <strong>15</strong> <strong>Design</strong> <strong>Guide</strong> 75
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