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Yuan Tian, Bangcheng Han, Xinyu Liu, Kai Shen and Jiangbo Li
Using experimental methods to study the influence of hole and cracks on the mechanical properties and fracture characteristics of rock-like mortar materials under biaxial compression conditions. The double crack specimens with hole depths from 0?100 mm a...
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Junwei Zhang, Duanying Wan, Weiting Gao, Lei Zhou and Meng Wang
A dynamic disturbance will induce cracks around the tunnel in tunnel blasting or shield construction. To investigate the overall stability of cracks with various angles during a fixed borehole (round hole explosion) blasting, models containing an individ...
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Hong-Liang Tang, Jun Yang and Qi Yu
Rock fragmentation by blasting influences ore recovery and the cost of downstream operations. The development of electronic detonators makes it possible to improve fragmentation by controlling the initiation timing in blasting projects, and the effect of...
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Tingting Wang, Pingfeng Li, Chun?an Tang, Bingbing Zhang, Jiang Yu and Tao Geng
Frozen fractured rock mass is often encountered during the implementation of geotechnical engineering in cold regions. The tensile strength parameters of frozen rock play an important role in the construction of rock slopes involving tensile failure. In ...
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Sizeng Zhao, Fei Kang and Junjie Li
Cracks are the main damages of concrete structures. Since cracks may occur in areas that are difficult to reach, non-contact measurement technology is required to accurately measure the width of cracks. This study presents an innovative computer vision s...
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