EPiC database - Gravel

This material is part of the free Environmental Performance in Construction (EPiC) Database. The EPiC Database contains embodied environmental flow coefficients for 250+ construction materials using a comprehensive hybrid life cycle inventory approach.<br><br>Gravel is a course aggregate, comprised of hard, durable and weather resistant rocks. It has excellent drainage properties, and is commonly used in construction. There are different sizes and grades of gravel available, ranging from small smooth rounded rock, to large angular crushed rock.<br><br>Gravel is produced in quarries or extracted from gravel pits. It is found naturally, in the form of eroded rock and minerals, or created by crushing rock such as limestone, basalt or sandstone. <br><br>It is commonly used for construction and landscaping purposes, including: as a base layer for walkways and roads, as bulk fill, as a drainage substrate, or as an aggregate for concrete.