Figure 4.
The pie chart presents the composition of construction and demolition waste materials. Unbound aggregates account for 36 percent. Concrete and mortars represent 32 percent. Clay masonries contribute 21 percent. Soils account for 9.5 percent. Bituminous materials represent 0.7 percent. Glass accounts for 0.2 percent. Other materials contribute 0.6 percent. Unbound aggregates and concrete related materials form the largest portions of the total composition.Constituents of the recycled C&D aggregate