YieldZone - Drilled Pier
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Page:
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Job Num:
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Date:
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Engineer:
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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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3.700.000.000.00
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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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1.850.004.001.100.004.00
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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:
113.10
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Pier Diameter, b:
18.00in
Sesimic Category:
D
1/2 in Defl OK?:
Y(Y or N)
Gross Area, Ag:
254.47
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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:
18.00
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Rebar Size:
6
Allow 1.33 Increase?:
Y(Y or N)
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Total # Rebar:
4
Use Overstrength?:
N(Y or N)0
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Bar clear cover:
3.00in
Overstrength Factor:
1.000
Final soil bearing
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Rebar Yield, F'y:
60.00ksi
Soils Report?:
N(Y or N)
Alw Lat Bearing:
200pcf266pcf
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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:3.70kPu-lrfd:5.18k
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Vu-asd-wind-x:
1.11k
Vu-lrfd-wind-x:
1.85k
Mu-lrfd-wind-x:
7.41k*ft
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Vu-asd-seis-x:
0.83k
Vu-lrfd-seis-x:
1.10k
Mu-lrfd-seis-x:
4.40k*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:
1.77in^2
Percentage of Steel:
0.69%
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OK
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Pier Moment and Shear
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Pier width, b1:
17.67in, equiv
Comp Strip, a:
1.18in
Whit Eq Width:
0.12in
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Mom Cap, Phi*Mn:
45.37k*ft
Shear Cap, Phi*Vn:
15.33k
Whit Eq depth, d1:
12.00in
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Mom Act, Mu:
7.41k*ft
Shear Act, Vu:
1.85k
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OK
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End Bearing
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Pier End Area, Ap:
1.77ft^2
Act Soil Pressure:
2,094psf
Allow Soil Pressure:
1,500psf
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NO GOOD - REVISE
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Tie Requirements
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Tie Size:3
Max Spacing of Ties:
4.50in
Table 18.7.5.4 d), e):
0.0281
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Tie Spacing:
6.00in
Sprial/Round Hoop Ps:
0.0123
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NO GOOD - REVISE
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Summary
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Pier Depth:
6.00ft
Pier Vert Reinforcing:
(4) # 6 Rebar
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Pier Diameter:
18.00in
Pier Ties:
# 3 @ 6 in o.c.
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Drilled Piers
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