Assessment of the elastic properties of high-fired gypsum using the digital image correlation method
CONSTRUCTION AND BUILDING MATERIALS(2022)
摘要
The main purpose of this work is to analyze the elastic properties (i.e. Young's modulus and Poisson's ratio) of gypsum specimens manufactured by traditional methods (non-industrial kilns). More specifically we have evaluated the Bajo Aragon variant by means of a low-cost digital image correlation approach. The accuracy of the data was contrasted with the press, obtaining an RMSE of 0.008%, corroborating the viability of the method. The results obtained during this experimental campaign revealed a gypsum with an average compressive strength, Young's modulus and Poisson's ratio of 4.01 MPa, 2989 MPa and 0.24 respectively.
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关键词
High fired gypsum, Elastic properties, Image-based method, Digital image correlation, Mechanical tests
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