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Full-Text Articles in Geotechnical Engineering
Mode I Crack Morphology And Fracture Surface Roughness Of Granite Under Impact, Xue-Song Wang, Lian-Jun Guo, Xin Liu, Ding Deng, Jiu-Yang Zhang, Zhen-Yang Xu
Mode I Crack Morphology And Fracture Surface Roughness Of Granite Under Impact, Xue-Song Wang, Lian-Jun Guo, Xin Liu, Ding Deng, Jiu-Yang Zhang, Zhen-Yang Xu
Rock and Soil Mechanics
To study the response of mode I cracks under impact loading, the dynamic fracture test on the single cleavage triangle (SCT) granite specimens with the lateral opening was carried out using a split Hopkinson pressure bar test system. The Hough transform method was used to quantitatively describe the distributions of the surface crack lengths and angles, and the relationship between them and the absorbed energy of the specimen was analyzed. The three-dimensional (3D) point cloud data of the fracture surface was obtained by using a 3D surface topography detection device, and a fracture surface reconstruction method based on the threshold …