Alternative Support Systems for Cantilever - National Transportation ...
Alternative Support Systems for Cantilever - National Transportation ...
Alternative Support Systems for Cantilever - National Transportation ...
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Rn_weld := Throat⋅FW Rn_weld 11.14 kip<br />
= ⋅<br />
in<br />
t<br />
Rn_yield := .6⋅Fy_pipe⋅ R<br />
2<br />
n_yield 12.6 kip<br />
= ⋅<br />
in<br />
t<br />
Rn_rupture := .45⋅Fu_pipe⋅ R<br />
2<br />
n_rupture 13.05 kip<br />
= ⋅<br />
in<br />
Rn := min( Rn_weld, Rn_yield, Rn_rupture) Rn 11.14 kip<br />
= ⋅<br />
in<br />
Vweld Required_Length_Each_Side := Required_Length_Each_Side = 4.05 in<br />
2⋅Rn Welding <strong>for</strong> Stiffener Plates<br />
Tn_breakout_ACI = 126.03 ft·kip<br />
Tn_breakout_plate = 249 ft·kip<br />
Tn_blowout = 390.6 ft·kip<br />
FLEXURAL CAPACITY<br />
Flexural Capacity of Shaft<br />
Input<br />
Radius of Shaft<br />
Area of shaft<br />
Longitudinal Rein<strong>for</strong>cement<br />
Number of Longitudinal Bars<br />
Yield Strength of Longitudinal Rein<strong>for</strong>cement<br />
Longitudinal Steel Area<br />
Number of Bars Yielded (Assumption)<br />
Embedded Pipe<br />
Cross sectional area of pipe<br />
Inside diameter of pipe<br />
Yield Strength of Pipe<br />
⎛<br />
⎜<br />
⎝<br />
Check Flexural Capacity of Shaft<br />
110<br />
ceil Required_Length_Each_Side<br />
⎟⋅in = 5 in<br />
in ⎠<br />
ds R := = 13 in<br />
2<br />
2<br />
⎛ ds ⎞<br />
As := π⋅<br />
2<br />
⎜ ⎝<br />
nlong = 24<br />
⎟ ⎠<br />
fy_long = 60⋅ksi Along 0.2 in 2<br />
=<br />
⎞<br />
nlong_yield := 17<br />
Apipe :=<br />
dpipe = 16 in<br />
24in ⋅.688in fy_pipe := 50ksi