Abstract
The inherent nature of compacted clay soils is to shrink and crack during drying. The development of cracks in compacted clay soils is complex as it is three dimensional with vertical and horizontal cracks. In laboratory testing, the surface cracks pattern of desiccated clays can be visualized and quantified using digital camera images. For capturing the interior cracks pattern of desiccated clays, the X-ray computed tomography (XCT) serves as a valuable tool. This paper highlights the significance of non-destructive imaging experiments using XCT for visualizing the interior cracks and capturing the cracks pattern of desiccated clay soils accurately. The XCT imaging experiments, vernier caliper measurements and binary image analysis of XCT images using ImageJ software were used for capturing the cracks pattern of desiccated clay soils in terms of cracks area and volume. The variation of cracks pattern and void ratio of compacted clay soil inundated with distilled water and CaCl2 solution at the desiccated state is brought out.
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Julina, M., Thyagaraj, T. (2022). Application of X-Ray Computed Tomography for Capturing the Desiccation Cracks of Soils. In: Dey, A.K., Mandal, J.J., Manna, B. (eds) Proceedings of the 7th Indian Young Geotechnical Engineers Conference. IYGEC 2019. Lecture Notes in Civil Engineering, vol 195. Springer, Singapore. https://doi.org/10.1007/978-981-16-6456-4_52
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DOI: https://doi.org/10.1007/978-981-16-6456-4_52
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