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The waste generated by the construction industry has promoted mechanisms that recycle and transform them into new products. The objective was production of mortar using civil construction waste (RCC) as a small aggregate and sawdust of bovine leather from the wet blue shoe industry for reinforcement. The RCC was characterized by particle size analysis, XRD, XRF and ESM. A cement/aggregate mass ratio of 1: 3 and leather sawdust contents of 1%, 2% and 3% were used. The traces were cured in 7 and 28 days and submitted to determination of the mechanical properties. The results of resistance to compression showed that the presence of leather sawing reduced the performance in both traces of the studied periods. Within the limits of Laying and Coating Standard 13281/2001 the traces with 28 days of curing are in the range of 4.0 to 8.0 MPa.

brazilian journal of development

INFLUÊNCIA DO USO DE RESÍDUOS DA CONSTRUÇÃO CIVIL E DE SERRAGEM DE COURO BOVINO NAS PROPRIEDADES MECÂNICAS DE ARGAMASSAS / INFLUENCE OF THE USE OF WASTE FROM CIVIL CONSTRUCTION AND BROWN LEATHER SAWING IN THE MECHANICAL PROPERTIES OF MORTARS