Water-permeability refers to the degree to which a material or substance allows water to pass through it. It's a crucial property in various fields, including geology (soil hydrology), civil engineering (concrete durability), and materials science (membrane technology). The rate of water permeation is influenced by factors such as material composition, porosity, pore size distribution, and the pressure gradient driving the water flow. High water-permeability indicates a material is easily penetrated by water, while low water-permeability signifies significant water resistance.
Water-permeability meaning with examples
- The construction crew selected a specific type of concrete based on its low water-permeability to ensure the dam's long-term structural integrity, preventing water from seeping through the structure and causing erosion or weakening.
- Scientists studied the water-permeability of different soil types to understand how rainfall infiltrates the ground and replenishes groundwater resources, as different soils have drastically varied permeability rates affecting recharge rates.
- Manufacturers produced a new type of waterproof fabric with low water-permeability, making it ideal for rain gear, outdoor equipment and marine products to prevent water penetration and protect from the elements.
- Researchers assessed the water-permeability of various clay minerals, recognizing that the clay's structure greatly affects its ability to retain or transmit water. This data is key for determining water retaining capabilities.
- Before laying a patio, the landscape architect considered the water-permeability of the paving stones, choosing a material with high permeability to promote drainage and prevent puddling in the area during heavy rain.