Abstract
Very large and massive concrete blocks with thickness in interval 3.5 – 6 meters are often designed in cement industry. These massive blocks have high heat inertial and thus the thermal stress due to nonlinear temperature gradient in concrete block may occur. The coupled thermo-mechanical analysis of concrete block in Prague Czech Republic and Sterlitamak Russia was made. By the numerical model of concrete block was analyzed the typical year (called reference year) in particular localities. The results show that in concrete block the thermal stresses which are higher than the tensile strength of concrete originate. Therefore, the concrete block should be reinforced by steel rods. The values of stresses are markedly affected by climate. The significantly higher values of thermal stresses were detected in Sterlitamak than in Prague.
Published Version
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