firmgrounds
Firmgrounds refer to a category of ground used in geotechnical and civil engineering to describe soil or rock layers that are firm, stiff, and capable of supporting load with minimal settlement. The term is descriptive rather than a formal soil taxonomy, but it is commonly used by engineers and surveyors when assessing construction sites.
Characteristics of firmgrounds typically include high shear strength, low compressibility, limited plasticity, and moderate to low
Formation and occurrence vary widely. In sedimentary regions, processes such as compaction, cementation, or diagenesis can
Assessment and engineering uses involve geotechnical investigations to estimate bearing capacity and settlement for foundations on
In practice, the term is used descriptively in field reports and planning documents to indicate zones suitable