Quantitative evaluation of rock brittleness based on crack initiation stress and complete stress–strain curves
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DOI: 10.1007/s10064-019-01486-2
Abstract: Brittleness is an important rock material property, and its accurate evaluation has guiding significance in construction as well as in disaster prevention and reduction. Considering the limitations of the existing brittleness indices, a new brittleness… read more here.
Keywords: stress; evaluation; stress strain; rock brittleness ... See more keywords
Investigation on the influence mechanism of rock brittleness on rock fragmentation and cutting performance by discrete element method
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DOI: 10.1016/j.measurement.2017.07.043
Abstract: Abstract Rock brittleness is one of the most important factors to be considered in the design and selection of excavation and mining machineries. In this paper, the influence mechanism of rock brittleness on rock fragmentation… read more here.
Keywords: mechanism rock; influence mechanism; cutting force; rock brittleness ... See more keywords
Evaluation method of rock brittleness based on statistical constitutive relations for rock damage
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DOI: 10.1016/j.petrol.2017.03.041
Abstract: Abstract Brittleness is an important feature of rock and is related to many mechanical behavior of rock. An accurate evaluation of rock brittleness lays an analytical foundation of drilling and hydraulic fracturing. At present, there… read more here.
Keywords: damage constitutive; evaluation; rock brittleness; rock ... See more keywords