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The machine-made sand concrete has been widely used in building engineering and its fracture characteristic is a research focus in the world. White light digital image analysis in frequency domain has the advantages of whole-field, non-contact measurement and the simple measuring system and can obtain displacements by frequency domination correlation arithmetic. In this paper, the method was introduced to study fracture characteristics of machine-made sand concrete. The results show the usability of the method for studying fracture characteristics of machine-made sand concrete.

Research on Fracture Characteristics of Machine-made Sand Concrete by White Light Digital Image Analysis in Frequency Domain