|
Project Title:
<br /> Engineer:
<br /> Project ID:
<br /> Project Descr:
<br /> Beam on Elastic Foundation Project File:Boeing Rail.ec6
<br /> LIC#:KW-06018139,Build:20.23.05.25 KPFF CONSULTING ENGINEERS SEA (c)ENERCALC INC 1983-2023
<br /> DESCRIPTION: Typical Slab with 250psf
<br /> CODE REFERENCES
<br /> Calculations per ACI 318-14, IBC 2018,CBC 2019,ASCE 7-16
<br /> Load Combinations Used : IBC 2018
<br /> Material Properties
<br /> fc = 4.0 ksi Phi Values Flexure: 0.90
<br /> fr= fc�2 '7.50 = 474.342 psi Shear: 0.750
<br /> y, Density = 145.0 pcf R 1 = 0.850
<br /> x Lt Wt Factor = 1.0
<br /> Elastic Modulus = 3,122.0 ksi
<br /> Soil Subgrade Modulus = 100.0 psi/(inch deflection)
<br /> Load Combinatior)BC 2018
<br /> fy-Main Rebar = 60.0 ksi Fy-Stirrups = 40.0 ksi
<br /> E-Main Rebar = 29,000.0 ksi E-Stirrups =29,000.0 ksi
<br /> Stirrup Bar Size# = # 3
<br /> Number of Resisting Legs Per Stirrup 2.0
<br /> Beam is supported on an elastic foundation,
<br /> L(2.25)
<br /> 1
<br /> ,:8.�s«�,ne.,R.,�• --�......Q.��.,-m�.m:s.-��mm,,,m,�,.,o���—;..o..n ,gin,ups.va.,..m,�,.�—,..o.;,n..�m,�.ana, m..,�..� ,.,.,,,...,-�,.,R,,.;�:...:_� ,R.am..
<br /> Cross Section & Reinforcing Details
<br /> Rectangular Section, Width= 108.0 in, Height= 18.0 in
<br /> Span#1 Reinforcing....
<br /> 9-#5 at 3.0 in from Bottom,from 0.0 to 27.50 ft in this span 9-#5 at 3.0 in from Top,from 0.0 to 27.50 ft in this span
<br /> Applied Loads Service loads entered.Load Factors will be applied for calculations.
<br /> Beam self weight calculated and added to loads
<br /> Load for Span Number 1
<br /> Uniform Load : L=2.250 k/ft, Tributary Width= 1.0 ft,(Forklift)
<br /> DESIGN SUMMARY Design OK
<br /> Maximum Bending Stress Ratio = 0.000: 1 Maximum Deflection
<br /> Section used for this span Typical Section Max Downward L+Lr+S Deflection 0.000 in
<br /> Mu:Applied -0.03786 k-ft Max Upward L+Lr+S Deflection 0.000 in
<br /> Mn*Phi:Allowable 214.543 k-ft Max Downward Total Deflection 0.032 in
<br /> Load Combination +1.20D+1.60L Max Upward Total Deflection 0.015 in
<br /> Location of maximum on span 13.588 ft
<br /> Span#where maximum occurs Span#1
<br /> Maximum Soil Pressure = 0.468 ksf at 13.75 ft LdComb: +D+L
<br /> Allowable Soil Pressure = 2.50 ksf OK
<br /> Shear Stirrup Requirements
<br /> Entire Beam Span Length:Vu<PhiVc/2, Req'd Vs=Not Reqd, use stirrups spaced at 0.000 in
<br /> Maximum Forces &Stresses for Load Combinatior
<br /> Load Combination Location(ft) ;ending Stress Results (k-ft
<br /> Segment Length Span# in Span Mu:Max phi*Mnx Stress Ratic
<br /> MAXimum Bending Envelope
<br /> Span#1 1 27.176 -0.00 214.54 0.00
<br /> +1.40D
<br /> Span#1 1 27.176 -0.00 214.5.,006 0.00
<br /> +1.20D+1.60L
<br />
|