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Keywords: trajectory
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Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-516
... publishing iop conf identification trajectory vibration propagation r-wave geology reservoir characterization s-transform transformation frequency 11th Conference of Asian Rock Mechanics Society IOP Publishing IOP Conf. Series: Earth and Environmental Science 861 (2021) 042053 doi:10.1088/1755...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-086
... according to the results of the UAV trajectory planning, and high-precision pictures are obtained. Based on the rock joints, fissures, and configurations displayed in these pictures, the areas with the most likely rockfall risks are further determined. Finally, 3D rockfall simulation software is used...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-161
... society iop publishing iop conf optimization environmental science 861 wellbore stability trajectory ultra-deep carbonate reservoir stability mechanism asian rock mechanic society permian Abstract There are abundant oil and gas resources in carbonate reservoirs of Tarim Basin, and more...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-566
... artificial intelligence society iop publishing iop conf conference tan 4 2 directional drilling equation drilling operation friction coefficient environmental science 861 co 2 displacement journal tan 2 trajectory ln tan 2 Abstract This study describes the entire block...
Proceedings Papers

Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-334
...). The objectives of the study are to clarify the dispersions of the rock-fall trajectories in the horizontal direction and the velocity changes in different rock shapes with vegetation on the slope using 3D-DDA. Four falling rock shapes, cubic, the twelve sided polygonal, the twenty sided polygonal and the eighty...
Proceedings Papers

Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-335
.... To plan or design an appropriate countermeasure, it is necessary and important to estimate the trajectory or falling path and motion behaviors of a potential falling rock such as the runout distance, the jump height, the kinetic energy and impact force. Many laboratory and filed experiments, theoretical...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-086
... simulation using 3D DDA has been shown by:multi-blocks rockfall simulations. Fanally, as application, the simulation results are used to help the planning of countermeasures. The results show that the new rockfall tool using 3D DDA is more rational and effective. trajectory consideration application...

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