RB46

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    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