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FONSECA, F.B. (2002). The structure performance of walls of masonry by concrete blocks of recycled aggregates and building and demolition rejects. São Carlos, 2002. 140p. Dissertação (Mestrado) – Escola de Engenharia de São Carlos, Universidade de São Paulo. The building and demolilition rejects represent, nowadays, a great amount of wasted material in buildings and plants of pre-molded of concrete. The necessity of recycling for the self-supporting development of materials produced from the building rejects, is of great importance under the enviromental impact, and besides it provides savings for the builers and producers of concrete goods. Tests with concrete and mortar, utilizing recycled aggregate, show a good mechanical performance and they are lighter when compared to the respective materials using natural aggregate. The fabrication of concrete blocks with structural function, produced with recycled aggregate of fraction between 2,4mm and 9,5mm, combined to the small fraction of natural aggregate, make possible the construction of low height buildings. The application of the recycled small fraction, in the preparation of foundation and revetment mortar, shows efficient employed with the set masonry-mortar. The aggregate characterization, the study of the proportion of ingredients for concrete, the analysis of the physical and mechanical performance of the blocks, prisms and walls of structural masonry, as well the correlations of efficiency and analysis of the influence of foundation and revetment mortar, relating to the resistence of adherence to traction, are necessities for the knowledge and utilization of this material.

Desempenho estrutural de paredes de alvenaria de blocos de concreto de agregados reciclados de rejeitos de construção e demolição