Understanding soil

ENVIRONMENT

Recorded by Elizabeth Donovan, images by Veera Saastamoinen

KEY READINGS

INSPIRATIONAL BUILT EXAMPLES

• Alumnae Valley, Wellesley College, Wellesley MA. Michael Van Valkenburgh Associates

UNDERSTANDING SOIL

Understanding Soil explores into the intricate composition and properties of soil, emphasising its significance in architecture. Soil, a complex blend of minerals, organic matter, water, and air, undergoes formation through rock weathering and organic material accumulation. The composition, influenced by factors like climate and topography, includes mineral particles and organic matter, determining soil texture, structure, and fertility. Physical properties such as texture, porosity, and permeability, along with chemical properties like pH and nutrient content, are crucial considerations.

Architectural concerns regarding soil encompass contamination risks, erosion, compaction, poor quality, settlement, and subsidence. Sustainable soil practices, remediation techniques, and innovative approaches like bioremediation, mycoremediation and phytoremediation are explored.

The talk underscores the role of soil in ecological restoration and brownfield redevelopment, presenting opportunities for architecture projects that integrate bioremediation for soil improvement and landscape revitalisation.