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Leonardo De Bona Becker, Maria do Carmo Reis Cavalcanti and Alfredo Affonso Monteiro Marques
Tailings dam accidents emphasize the importance of an adequate understanding of the strength parameters of tailings to improve the efficiency and effectiveness of the design, construction, and operation of such structures. Usually, the tailings strength ...
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Xuanyang Zhang, Miao Yu, Jiaxin Liang, Chao Yang and Wei Liu
For rectangular section tunnel construction, soil bin pressure fluctuates under biaxial emergence conditions. Support pressure is difficult to uniformly distribute, and it can easily cause instability of the tunneling face. The Silo-wedge model is used t...
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Guichuan Li, Haiyu Li, Xuan Li, Zhichao Gong, Qinghua Yang, Yuxiang Huang and Zuoli Fu
Aiming at the lack of accurate and reliable discrete element simulation parameters for the design of buckwheat metering devices and seeders based on the discrete element simulation method, an accurate buckwheat seed model was obtained by calibrating the ...
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Guopeng Mi, Yan Liu, Tao Wang, Jianxin Dong, Shilin Zhang, Qiwei Li, Kezhou Chen and Yuxiang Huang
This study aimed to improve the measurement accuracy of the discrete element method (DEM) simulation parameters of sorghum seeds for enhanced model accuracy. We measured the intrinsic and contact parameters of sorghum seeds, extracted the outline of the ...
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Junru Li, Shengshi Xie, Fei Liu, Yaping Guo, Chenglong Liu, Zhenyu Shang and Xuan Zhao
To improve the accuracy of discrete element simulation in the process of separating potato?soil mixtures, the contact parameters of sandy soil with 3, 6, 9, and 12% water content were calibrated in DEM simulation using EDEM software simulation. The error...
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Xiang Chen, Jianhua Shen, Xing Wang, Ting Yao and Dongsheng Xu
Coral sand is the main filling material for the island?reef foundation. Under tidal actions, the saturation (Sr) of coral sand layers varies with the specific depths in the reclaimed foundation. Studying the Sr effect of coral sand?s mechanical behaviors...
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Rongjun Shu, Lingwei Kong, Bingheng Liu and Juntao Wang
Granite residual soil is one of the most frequently encountered problem soils in tropical regions, whose mechanical behavior heavily depends on the pattern of variation of mean effective stress (p?) during shearing, which can be classified into three cat...
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Fedir N?vik?v,Vladimir Polyansky,Valentin Shkurupiy,Dmytro Novikov,Andrii Hutorov,Yevhen Ponomarenko,Oksana ?. Yermolenko,Oleksii ?. Yermolenko
Pág. 41 - 50
The theoretical approach to calculating and controlling the force and temperature parameters of edge cutting and abrasive machining processes taking into account the provision of the minimum possible power consumption of the cutting process is given. The...
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Han Yu, Pengfei Zhu, Jianqin Suo and Longxi Zheng
Lean direct injection (LDI) combustion has a high potential as a low pollution combustion method for gas turbines. The present research aims to further investigate the discharge coefficient of an LDI module, axial swirler and convergent outlet under non-...
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Wenpu Li, Dongming Zhang and Minghui Li
Pore gas has a significant influence on rock strength. This study performed triaxial compression tests of gas-infiltrated sandy shale samples to investigate the strength characteristics under gas pressures of 0 and 2 MPa. The effective stress coefficient...
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