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1Professor, COPPE/The Federal University of Rio de Janeiro, Civil Engineering Department, Brazil
2Rural producer, Systems Engineer, Fazenda Trapiá, Minas Gerais, Brazil
*Corresponding author: Eduardo MR Fairbairn, Professor, COPPE/The Federal University of Rio de Janeiro, Civil Engineering Department, Brazil
Submission: March 29, 2023; Published: April 11, 2023
Volume3 Issue2
This paper presents a case study on the construction of a concrete patio for drying coffee in the Mantiqueira range, state of Minas Gerais, Brazil. It is demonstrated that the appearance of cracks in a structure of this type is inevitable. A “chessboard” construction scheme was then used in which the cracks will appear at the weakest point, which is the point where the “black and white squares” touch each other. No materials were used to create expansion joints, as they naturally appeared without the need for wooden or plastic strips. The use of such strips could compromise the proper functioning of the yard due to their aging. Crack opening was calculated for the standard cell. After construction, the calculation hypotheses were verified, and the yard has been regularly used for drying coffee beans since 2016.
Keywords:Young´s modulus; Poisson´s ratio; Hydration; Coffee beans; Tensile strength
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