SmartJoist Design Guide 2011_RGB.pdf - Tilling Timber

OPENINGS WITHIN SmartFrame FLOORSOPENING TRIMMERTrimmerTrimmerSpanThe tables below are for trimmer members of SmartJoists and LVL. OtherSmartFrame engineered timber products may also be used for this member,the designs for each of these other material types can be simply calculatedby using the SmartFrame software or by contacting the SmartData CustomerHelpLine on 1300 668 690 or at smartdata@tilling.com.au.Floor live load 1.5 kPaTruncatedjoist spanFloor live load 1.5 kPaMaximum trimmer span (mm)Truncated joist span (mm)SmartJoist 1.5 3.0 4.5 6.0 7.2SJ20044 3700 3000 2600 2300 2100SJ24040 4000 3300 2900 2600 2400SJ24051 4300 3500 3100 2800 2500SJ24070 4600 3800 3400 3000 2800SJ24090 4800 4000 3500 3300 3000SJ30040 4600 3800 3400 3100 2800SJ30051 4900 3900 3600 3300 3100SJ30070 5200 4300 3800 3500 3300SJ30090 5500 4500 4000 3700 3500SJ36058 5600 4700 4200 3800 3600SJ36090 6100 5000 4500 4100 3900SJ40090 6500 5400 4800 4400 4100Maximum trimmer span (mm)Truncated joist span (mm)SmartLVL 15 1.5 3.0 4.5 6.0 7.2200x42 3900 3200 2800 2500 2300240x42 4500 3800 3300 3000 2800300x42 5300 4500 4000 3700 3500360x42 6100 5100 4600 4300 4100200x58 4300 3600 3100 2800 2600240x58 4900 4100 3700 3400 3100300x58 5800 4900 4400 4100 3900360x58 6600 5600 5000 4700 4400400x58 7100 6000 5400 5000 4800Floor joistsupportingtrimmerTrimmer spanOpeningwidthTruncatedjoistssupported bytrimmerTRIMMER JOISTSTrimming joists at floor opening often support the loads from stairstringers, as well as the concentrated load from the trimmer. Thetable below has been set up to allow a load from stairs equally supportedfrom the floor below (or above) and the trimmer joists. In manycases this will provide a conservative result. Alternative designs can bereadily obtained by using the SmartFrame software or by contactingthe SmartData Customer HelpLine on 1300 668 690 or atsmartdata@tilling.com.auTrimmerJoist spanFloor live load 1.5 kPaNote: Based on spacing of 600 mm and maximum of 10 mm DL deflectionSmartJoist SmartLVL 15Maximum trimming joist span (m)SmartFrameOpening width 900 (mm) Opening width 1800 (mm) Opening width 2700 (mm)engineeredtimberTrimmer span (mm) Trimmer span (mm) Trimmer span (mm)2 3 4 5 2 3 4 5 2 3 4 5SJ20044 3300 3100 2800 2600 3400 3200 3100 3000 3700 3600 3600 3500SJ24040 3700 3400 3200 3000 3600 3400 3100 3000 4000 3800 3700 3700SJ24051 3900 3600 3400 3200 3800 3600 3400 3300 4100 4000 3900 3800SJ24070 4200 3900 3700 3500 4100 3800 3600 3500 4400 4200 4000 4000SJ24090 4500 4100 3900 3700 4300 4000 3800 3600 4500 4300 4200 4000SJ30040 4300 4000 3700 3500 4100 3900 3700 3500 4400 4200 4100 3900SJ30051 4500 4200 3900 3700 4300 4000 3800 3700 4600 4400 4200 4100SJ30070 4900 4500 4200 4000 4600 4300 4100 3900 4800 4600 4400 4300SJ30090 5100 4800 4500 4200 4900 4500 4300 4100 5100 4700 4500 4400SJ36058 5300 4900 4700 4400 5000 4600 4400 4200 5200 4800 4600 4400SJ36090 5700 5300 5000 4800 5400 5000 4800 4400 5500 5100 4900 4700SJ40090 6100 5800 5500 5200 5800 5300 5000 4800 5800 5400 5100 4900200x42 3600 3200 2900 2700 3600 3300 3100 3000 4000 3900 3700 3600240x42 4200 3800 3500 3300 4100 3800 3600 3400 4400 4200 4000 3900300x42 5100 4600 4300 4100 4800 4400 4100 4000 5000 4700 4500 4300360x42 6000 5400 5100 4800 5500 5000 4700 4500 5600 5200 5000 4800200x58 3900 3600 3300 3000 3900 3600 3400 3200 4200 4000 3900 3900240x58 4600 4200 3900 3700 4400 4100 3800 3700 4700 4400 4200 4100300x58 5600 5100 4800 4500 5200 1800 4500 4300 5300 5000 4800 4600360x58 6600 6000 5600 5300 6000 5500 5100 4900 6000 5600 5300 5100400x58 7200 6600 6200 5700 6500 6000 5600 5300 6500 6000 5700 5400SmartJoist Design Guide 27