Use of marble and granite cut residue as addition to concrete
DOI:
https://doi.org/10.6008/CBPC2318-3055.2020.001.0004Keywords:
Concrete, Granite, MarbleAbstract
Concrete in civil engineering is of utmost importance for its versatility and optimum compressive strength coupled with a great cost benefit. However, despite all these qualities there is still room for development of this material in engineering, and together there is a need for better disposal of waste. The waste generated by cutting marble and granite in the vast majority of cases is not disposed of properly. Thus, the addition of these elements to the concrete in order to improve its workability as well as its compressive strength becomes quite feasible. The present work seeks to perform the addition of marble and granite cutting residue in compositions of 5, 10 and 15% in relation to the cement mass in the manufacture of 10 x 20 cm specimens. The specimens are submitted to axial compression and workability tests to analyze the results with addition in relation to a conventional reference concrete. With the obtained results it was possible to verify that the concrete with the composition of 5% obtained a greater resistance than the others, and it was verified an increase of the fluidity proportional to the increase of the fines content among the tested ones.
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