What is the primary concern associated with aggressive soil?

The primary concern associated with aggressive soil is its corrosive effects on structures. Aggressive soils, often characterized by high acidity or soluble salts, can lead to degradation of building materials such as concrete and metal. This corrosion can weaken structural integrity over time, resulting in costly repairs and safety hazards. Additionally, aggressive soils can impact underground utilities and foundations, leading to further complications in construction and maintenance.

While increased moisture retention can affect soil behavior, and a reduction in plant growth can occur due to adverse soil conditions, these factors are not primarily defining traits of aggressive soil. Enhanced biodiversity is typically associated with healthy soil conditions, which contrasts with the implications of aggressive soil, indicating that the correct scenario pertains to the direct adverse impacts on constructed environments.