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- W2888251292 abstract "Rock cutting in various forms is used in mining and civil engineering area such as oil & gas drilling, tunneling etc. The dieted understand of the rock cutting mechanism is quite essential to the bit design and parameters selection. This study constructed the finite element model of rock cutting to investigate the crack initiation and propagation, chips formation and cutting force, and the effect of cutting depth on rock breaking mechanism is also analyzed. The results show that cutting depth plays an important role in the rock failure behavior, when the cutting depth is shallow, the ductile failure mode is dominated and brittle failure mode is dominated at the larger depth of cut. The cutting force increases linearly with the depth increase of cut when cutting depth is shallow; however, the nonlinearity of cutting force increase appeared when the depth of cut exceeds the threshold value. The magnitude of MSE tends to decrease with the depth increase of cut and tends to stabilize when the depth of cut reaches a certain value. The results obtained in this study can lead to an enhanced understanding of rock breaking mechanisms in rock cutting." @default.
- W2888251292 created "2018-08-31" @default.
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- W2888251292 date "2018-08-26" @default.
- W2888251292 modified "2023-09-27" @default.
- W2888251292 title "The Rock Failure Behavior Analysis in Rock Cutting Using Finite Element Analysis" @default.
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- W2888251292 doi "https://doi.org/10.1007/978-981-13-2405-5_12" @default.
- W2888251292 hasPublicationYear "2018" @default.
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