Stem and Footing Dimensions

# of Wall Segments

Wall Thickness:

in.

feet

Wall Height:

Wall Thickness:

in.

feet

Wall Height:

Footing Thickness:

in.

feet

Toe Length:

feet

Heel Length:

in.

Key Depth:

in.

Key Width:

feet

Key Dist. From Front of Toe:

1 Foot Wall Strip

Soil Values

feet

Soil Height Above Heel

feet

Soil Height Above Toe

:10

Soil Slope Ratio

psf

Max. Bearing Strength

Lateral Forces

Analysis Type

psf/ft

Active EFP

psf/ft

Passive EFP

Friction Angle (Φ)

feet

Passive Depth to Ignore

Friction Coeff

psf

Cohesion Coeff. (Footing/Soil)

Surcharge

psf

Surcharge

Water Table

ft

Water Depth

Options

Wall Friction (δ)

* Φ

Include Lateral Pressure Behind Key

Include Vertical Component of Sloped Lateral Force in Sliding

Include Vertical Component of Soil in Overturning/Bearing

Factored Loads

Dead Load Factor

Live Load Factor

Lateral Soil Load Factor

Wind Load Factor

Factors of Safety

Ω Overturning

Ω Sliding

Material Properties

pcf

Soil Density

pcf

Concrete Density

psf

Concrete Compressive Strength

ksi

Steel Modulus

*b*d

Minimum Flexural Reinf. Ratio

Stem Reinforcement

Stem Bar Size

#

in. O.C.

Spacing

ksi

Yield Strength

in.

Clear Cover

Stem Bar Size

#

in. O.C.

Spacing

ksi

Yield Strength

in.

Clear Cover

Heel Reinforcement

Heel Reinforcement

#

in. O.C.

Heel Reinf. Spacing

ksi

Yield Strength

in.

Heel Reinforcement Clear Cover

Toe Reinforcement

Toe Reinforcement

#

in. O.C.

Bar Spacing

ksi

Yield Strength

in.

Bottom Reinforcement Clear Cover (in.)

Key Reinforcement

Key Reinforcement

#

in. O.C.

Key Reinf. Spacing

ksi

Yield Strength

Global Values

Overturning
Overturning Moment ----
Resisting Moment ----

Sliding
Sliding ----
Resistance to Sliding ----

Bearing Pressure
Allowable Bearing Pressure ----
Required Bearing Pressure ----

Concrete Elements

Stem
Moment Capacity Ratio ----
As Min Ratio ----

Heel
Moment Capacity Ratio ----
As Min Ratio ----

Toe
Moment Capacity Ratio ----
As Min Ratio ----

Factors

----
----
----
---
---
---

Soil Loading

Overturning Resistance

Element weight (lb) arm (ft) moment (ft-lb)
Footing ---- ---- ----
Stem ---- ---- ----
Key ---- ---- ----
Soil Above Heel ---- ---- ----
Soil Above Toe ---- ---- ----
Lat. Vert. Component ---- ---- ----
Surcharge ---- ---- ----
Total ---- ----

Location of Resultant

----

Lateral Overturning

Lateral Pressure
Resultant ----
Arm ----
Overt. Moment ----
Factor of Safety Against Overturning
----

Bearing Pressure

Bearing Pressure at Toe ----
Bearing Pressure at Heel ----
Allowable Bearing Pressure ----
Factor of safety ----

Sliding

Friction Resisting Force ----
Passive Resisting Force ----
Total Resisting Force ----
Required Sliding Force ----
Factor of Saftey ----
Location of Resultant
(from front of toe)
----
----

Base Stem

Moment
Mu ----
Φ Mn ----
d ----
As Provided ----
As Required ----

Shear
Vu ----
Φ Vn ----

Upper Stem

Moment
Mu ----
Φ Mn ----
d ----
As Provided ----
As Required ----

Shear
Vu ----
Φ Vn ----

Ratio

----
----
----

----
----
----

Toe

Moment
Mu ----
Φ Mn ----
d ----
As Provided ----
As Required ----

Shear
Vu ----
Φ Vn ----

Ratio

----
----
----

Heel

Moment
Mu ----
Φ Mn ----
d ----
As Provided ----
As Required ----

Shear
Vu ----
Φ Vn ----

Ratio

----
----
----

Key

Moment
Mu ----
Φ Mn ----
d ----
As Provided ----
As Required ----

Shear
Vu ----
Φ Vn ----

Ratio

----
----
----

Design Issues

Overturning

Sliding

Bearing

Stem

Toe

Heel