Disposal of waste is a problem for both civil construction and agribusiness. Suitable places for the disposal of this waste are increasingly scarce and difficult to access. Given the environmental problems that waste and cement production generate, it is important to study alternatives of use and reduction of these materials. In addition to reducing the demand for landfills, the use of these materials also avoids the extraction of raw material for the production of new concretes, preserving the environment. The present research has the objective of evaluating the use of coarse aggregates produced from construction and demolition residues (CDR) replacing the natural aggregate (NA) and the use of rice husk ash (RHA) in partial replacement with cement. The CDR aggregates (ACDR) undergo a process of cleaning and separation of contaminants so that they can be used. Characterization tests of the coarse aggregate are carried out in accordance with national standards. The RHA is also subjected to the tests to characterize its chemical composition and physical properties. The coarse aggregates will be replaced at 50 and 100% and the cement at 10, 15 and 20%. Mixtures with different proportions of recycled aggregates and mineral addition will be tested through mechanical and durability tests to evaluate the feasibility of their use. Through this research, it is expected to obtain information about the mechanical and durability properties of the concrete using ACDR and RHA that allow to disseminate the use of these materials in the concrete production.