4/9/2023 0 Comments Visual micro crack![]() ![]() In recent years, digital image-based crack detection methods have been developed. However, a procedure to detect cracks is an indispensable step in the study of the fracture process in concrete. The most obvious failure characteristics of concrete materials are the generation and expansion of cracks, and the trend and development state of crack propagation reflect the safety, applicability, and durability of the structure under certain conditions. ![]() Therefore, it is necessary to understand the internal crack evolution process of concrete. Studies have also confirmed that the gradual development of internal cracks causes the most significant damage in concrete structures. This can cause a loss of structural stiffness and material discontinuity, thereby leading to a loss of structural durability and service life reduction. When a concrete structure is subjected to loads, cracks may occur in weak areas inside the structure and initial defects will be further enlarged. Concrete is a non-homogeneous multi-phase brittle material. ![]()
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