RB46
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Transcript of RB46
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8/12/2019 RB46
1/1
Wood Beam ENERCALC, INC. 1983-2011, Build:6.11.6.23, Ver:6.11.6.23Licensee :Lic. # :
File: \\Server\csds 2012\DHLA\7) Boccella Residence\Calculations\Enercalc\ROOF BEAMS.ec6
Description : RB46 HDR
Material Properties
Beam Bracing :
Calculati ons per NDS 2005, IBC 2009, CBC 2010, ASCE 7-05
Beam bracing is defined as a set spacing over all spans
Allowable Stress Design
Douglas Fir - LarchNo.1
1,350.01,350.0925.0625.0
1,600.0580.0
170.0675.0 32.210
Analysis Method :
Eminbend - xx ksi
Wood Species :Wood Grade :
Fb - Tension psipsi
Fv psi
Fb - Compr
Ft psi
Fc - Prll psipsiFc - Perp
E : Modulus of ElasticityEbend- xx ksi
Density pcf
Load Combination :2009 IBC & ASCE 7-05
Unbraced LengthsFirst Brace starts at ft from Left-Most supportRegular spacing of lateral supports on length of beam = 1.330 ft
6x6
Span = 3.250 ft
D(1.7) Lr(1.52)
D(0.1064) Lr(0.152)
D(0.075)
D(0.0525) Lr(0.075)
Appl ied Loads Service loads entered. Load Factors will be applied for calculations.
Beam self weight calculated and added to loadsLoad for Span Number 1
Uniform Load : D = 0.0140, Lr = 0.020 ksf, Extent = 0.0 -->> 1.750 ft, Tributary Width = 7.60->0.0 ft, (ROOF)Uniform Load : D = 0.0150 ksf, Tributary Width = 5.0->0.0 ft, (WALL ABV)Uniform Load : D = 0.0140, Lr = 0.020 ksf, Extent = 1.750 -->> 3.250 ft, Tributary Width = 3.750->0.0 ft, (ROOF)
Point Load : D = 1.70, Lr = 1.520 k @ 1.750 ft, (FR RB26-L)DESIGN SUMMARY Design OK
Maximum Bending Stress Ratio 0.838: 1
Load Combination +D+0.750Lr+0.750L+H
Span # where maximum occurs Span # 1Location of maximum on span 1.755ft
89.49 psi=
=
FB : Allowable 1,350.00psi Fv : Allowable
6x6Section used for this span
Span # where maximum occursLocation of maximum on span
Span # 1=
Load Combination +D+0.750Lr+0.750L+H=
=
=
170.00 psi==
Section used for this span 6x6fb : Actual
Maximum Shear Stress Ratio 0.526 : 1
2.795ft==
1,131.56psi fv : Actual
Maximum Deflection
0