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Truck-mounted drill rig taking a soil boring beside a bridge, with sample jars in the foreground.

CEGR 492 · Engineering Design Studio · Geotechnical Engineering

Retaining Walls

Subsurface investigation: SPT samples and the boring log that every geotechnical number traces back to.

Phase VI · Engineering Design Studio · Week 5–7

Retaining Wall Design Studio

Design gravity, cantilever and MSE retaining walls with earth pressure, stability and drainage checks.

AASHTO LRFD 11
NAVFAC DM-7
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Retaining walls designed

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Checks passing

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0 checks recorded

Open warnings

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No retaining wall yet

Add a retaining wall to record its inputs, capacity and governing check.

Learning objectives

  • Compute lateral earth pressure
  • Check sliding, overturning and bearing
  • Design wall drainage

Engineering judgment

  • Drainage failure is the most common wall failure.
  • Check global stability, not just the wall.

Governing standards

  • NAVFAC DM-7

    Soil Mechanics and Foundations

    Bearing capacity, earth pressure, slope stability

    DM-7.01
    DM-7.02

FE Civil connection

Lateral earth pressure

Handbook section: Geotechnical

Practice this FE topic

Recommended next step

Pile and Deep Foundation Design Studio

Design driven piles, drilled shafts and pile groups for axial, uplift and lateral demands.

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