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网纹红土的网纹结构是其最主要的结构特性,其网纹包括红色网纹和白色网纹。本研究采用金相显微镜获取网纹红土微观结构图像,再利用IPP图像处理软件对网纹红土红白色网纹部分的微观结构图像进行预处理、图像增强、图像分割、图像二值化等步骤;再提取反映土体微观结构的特征参数,并对微观结构进行分形研究,得出网纹红土红白色网纹在分形结构上的差异性,为工程问题的解决提供参考。研究表明,网纹红土红白色网纹微观结构的孔隙大小符合分形特性,其孔隙分维数在1.06-1.39之间;红色网纹比白色网纹部分的土样自组织程度更高、级配更好、土体的结构更复杂。
Reticulated clay textured structure is its most important structural characteristics, the texture, including red and white textured. In this study, microstructure images of reticulate red clay were obtained by metallographic microscope. Then the microstructure images of red-white anilox structures of reticulate red clay were preprocessed, image enhancement, image segmentation and image binarization using IPP image processing software. And then extract the characteristic parameters reflecting the microstructure of the soil, and the microstructure of the fractal study, draw red-and-white mesh reticulate fractal structure in the differences, and provide a reference for engineering problems. The results showed that the pore size of the red-white anilox microstructure conformed to the fractal characteristics and the fractal dimension of the pores was between 1.06 and 1.39. The red anamorphic soil had a higher degree of self-organization than the white anilox, Better, soil structure more complex.