YieldZone - Drilled Pier
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Rotten Robbie #66 - Site Improvements
Job Num:
171274
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Date:
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Engineer:
TK
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Code Cycle: 2015 IBC, ACI 14
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DRILLED PIER
Rev: Beta 1.0 - 03/31/16
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Location:
Drilled PIer
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Gravity Loads (Unfactored)
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DeadLive
Roof Live
Snow
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kipkipkipkip
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0.470.000.000.00
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Lateral Loads (Ultimate)
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Wind xWind z
Height, h
Seis xSeis z
Height, h
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kipkipftkipkipft
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0.470.0012.000.200.0012.00
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Drilled Pier Properties
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Pier Round/Square?
R(R or S)
Tie Bar Yield, F'yt:
60.00ksi
Use Default Soil?:
Y(Y or N)
Core Area, Ach:
3.98
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Pier Diameter, b:
8.25in
Sesimic Category:
D
1/2 in Defl OK?:
Y(Y or N)
Gross Area, Ag:
53.46
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Concrete Comp, f'c:
3.00ksi
Top Constrained?:
N(Y or N)
Limit Lat Bearing?:
N(Y or N)
Pier Diameter, b:
8.25
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Rebar Size:
5
Allow 1.33 Increase?:
N(Y or N)
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Total # Rebar:
4
Use Overstrength?:
Y(Y or N)0
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Bar clear cover:
3.00in
Overstrength Factor:
1.250
Final soil bearing
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Rebar Yield, F'y:
60.00ksi
Soils Report?:
N(Y or N)
Alw Lat Bearing:
200pcf200pcf
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Min Steel Ratio:
0.5%
Alw End Bearing:
1500psf1500psf
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Total Loads on Piers
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Worse Case Axial Loads on Pier - ASD
Worse Case Loads on Pier - LRFD
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Pu-asd:0.47kPu-lrfd:0.66k
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Vu-asd-wind-x:
0.28k
Vu-lrfd-wind-x:
0.47k
Mu-lrfd-wind-x:
5.64k*ft
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Vu-asd-seis-x:
0.16k
Vu-lrfd-seis-x:
0.25k
Mu-lrfd-seis-x:
3.00k*ft
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Vu-asd-wind-z:
0.00k
Vu-lrfd-wind-z:
0.00k
Mu-lrfd-wind-z:
0.00k*ft
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Vu-asd-seis-z:
0.00k
Vu-lrfd-seis-z:
0.00k
Mu-lrfd-seis-z:
0.00k*ft
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Pier Min Longitudinal Steel
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Steel Area, Ast:
1.23in^2
Percentage of Steel:
2.30%
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OK
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Pier Moment and Shear
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Pier width, b1:
8.10in, equiv
Comp Strip, a:
1.78in
Whit Eq Width:
0.19in
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Mom Cap, Phi*Mn:
12.73k*ft
Shear Cap, Phi*Vn:
3.22k
Whit Eq depth, d1:
5.50in
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Mom Act, Mu:
5.64k*ft
Shear Act, Vu:
0.47k
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OK
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End Bearing
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Pier End Area, Ap:
0.37ft^2
Act Soil Pressure:
1,266psf
Allow Soil Pressure:
1,500psf
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OK
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Tie Requirements
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Tie Size:5
Max Spacing of Ties:
4.00in
Table 18.7.5.4 d), e):
0.2800
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Tie Spacing:
3.00in
Sprial/Round Hoop Ps:
0.3636
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OK
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Summary
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Pier Depth:
6.75ft
Pier Vert Reinforcing:
(4) # 5 Rebar
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Pier Diameter:
8.25in
Pier Ties:
# 5 @ 3 in o.c.
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