: Provides a unique look at real-world failures, documenting distress caused by pier uplift, improper footing design, and rising groundwater. Key Engineering Strategies
The central thesis of Chen’s work revolves around the concept of the (or Zone of Seasonal Moisture Variation). Chen argues that the failure of foundations on expansive soils is rarely due to a lack of bearing capacity (shear failure), but rather due to differential heave caused by moisture changes in this specific zone. foundations on expansive soils chen pdf