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SmartLVL 15 Design Guide - Tilling Timber

SmartLVL 15 Design Guide - Tilling Timber

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SINGLE/CONTINUOUS SPAN ROOF RAFTERAS 4055 CLASSIFICATION C1, C2 AND C3WITHOUT CEILING ATTACHEDPropped ridgeboardRafterRafterspanOverhangEXAMPLE:wind speed = C3sheet roof - 40 kg/m 2rafter/truss spacing = 600 mmrafter span = 5800 mmEnter span table at rafter spacing of 600 mm, and read down toa span equal to or greater than 5800 mmRafterspacingADOPT:<strong>SmartLVL</strong> <strong>15</strong> — 240x35Maximum Birdsmouth = 30% of rafter depthRafter spacing (mm) 450 600 900 1200 450 600 900 1200Member sizeDxB (mm)Roof mass span O/H span O/H span O/H span O/H span O/H span O/H span O/H span O/H(kg/m 2 ) Maximum allowable single span (mm) Maximum allowable continuous span (mm)90x35 10 2300 550 2200 450 2200 350 2000 300 2800 550 2800 450 2400 350 2000 30020 2300 550 2200 450 2200 350 2000 300 2800 550 2800 450 2400 350 2000 30040 2300 550 2200 500 2200 400 2000 300 2800 550 2800 500 2400 400 2000 30060 2300 600 2200 500 1900 400 1800 350 2800 600 2800 500 2500 400 2100 350120x35 10 3400 700 3400 600 3000 450 2600 400 4300 700 4000 600 3100 450 2600 40020 3400 700 3400 600 3000 450 2600 400 4300 700 4000 600 3200 450 2600 40040 3400 700 3300 600 2900 500 2700 400 4300 700 4100 600 3200 500 2700 40060 3200 750 2900 600 2600 500 2400 400 4300 750 4000 600 3300 500 2700 400130x35 10 3900 750 3800 650 3300 500 2800 400 4900 750 4300 650 3400 500 2800 40020 3900 750 3800 650 3300 500 2800 400 4900 750 4300 650 3400 500 2800 40040 3900 750 3600 650 3200 500 2900 450 4900 750 4400 650 3500 500 2900 45060 3500 800 3200 650 2800 500 2600 450 4700 800 4300 650 3600 500 3000 450140x35 10 4300 800 4100 650 3600 500 3000 450 5400 800 4600 650 3600 500 3000 45020 4300 800 4100 650 3600 550 3100 450 5400 800 4600 650 3700 550 3100 45040 4200 800 3900 700 3400 550 3100 450 5400 800 4700 700 3700 550 3100 45060 3700 850 3400 700 3000 550 2700 450 5100 850 4700 700 3800 550 3200 450<strong>15</strong>0x35 10 4800 850 4400 700 3800 550 3300 450 5700 850 4900 700 3900 550 3300 45020 4700 850 4400 700 3800 550 3300 450 5800 850 4900 700 3900 550 3300 45040 4500 850 4200 750 3700 550 3400 500 5900 850 5000 750 4000 550 3400 50060 4000 850 3700 750 3200 600 2900 500 5500 850 5000 750 4100 600 3400 500170x35 10 5500 900 5000 800 4300 600 3700 500 6400 900 5500 800 4400 600 3700 50020 5500 950 5000 800 4300 600 3700 500 6500 950 5500 800 4400 600 3700 50040 5100 950 4700 800 4200 650 3800 550 6600 950 5600 800 4500 650 3800 55060 4500 950 4200 800 3700 650 3300 550 6100 950 5600 800 4600 650 3900 550190x35 10 6100 1000 5600 850 4800 650 4100 550 7100 1000 6100 850 4900 650 4100 55020 6100 1000 5600 850 4800 700 4100 550 7200 1000 6100 850 4900 700 4100 55040 5700 1050 5200 900 4600 700 4200 600 7200 1050 6300 900 5000 700 4200 60060 5000 1050 4600 900 4100 700 3700 600 6600 1050 6200 900 5100 700 4300 600200x35 10 6400 1050 5800 900 5100 700 4300 600 7400 1050 6400 900 5100 700 4300 60020 6400 1050 5800 900 5100 700 4400 600 7500 1050 6400 900 5200 700 4400 60040 5900 1050 5500 900 4900 700 4400 600 7500 1050 6600 900 5200 700 4400 60060 5300 1100 4900 950 4300 750 3900 600 6900 1100 6400 950 5400 750 4500 600240x35 10 7700 1200 7000 1000 6100 800 5100 700 8800 1200 7600 1000 6100 800 5100 70020 7600 1200 7000 1050 6100 800 5200 700 8900 1200 7600 1050 6100 800 5200 70040 6700 1250 6400 1050 5800 850 5300 700 8500 1250 7800 1050 6200 850 5300 5 70060 6200 1250 5800 1050 5100 850 4700 700 7800 1250 7300 1050 6300 5 850 5400 10 70090x42 10 2500 600 2400 500 2400 400 2200 350 3100 600 3100 500 2600 400 2200 35020 2500 600 2400 500 2400 400 2200 350 3100 600 3100 500 2600 400 2200 35040 2500 650 2400 550 2300 400 2100 350 3100 650 3100 550 2700 400 2200 35060 2500 650 2300 550 2100 450 1900 350 3100 650 3100 550 2700 450 2300 350120x42 10 3800 750 3700 650 3200 500 2900 450 4700 750 4400 650 3500 500 2900 45020 3800 800 3700 650 3200 500 2900 450 4700 800 4400 650 3500 500 2900 45040 3800 800 3500 650 3100 550 2800 450 4700 800 4500 650 3600 550 3000 45060 3400 800 3100 700 2700 550 2500 450 4600 800 4200 700 3600 550 3000 450<strong>SmartLVL</strong> <strong>15</strong> <strong>Design</strong> <strong>Guide</strong> 40

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