Quantitative evaluation of rock brittleness based on crack initiation stress and complete stress–strain curves
Sign Up to like & getrecommendations! Published in 2019 at "Bulletin of Engineering Geology and the Environment"
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
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petroleum Science and Engineering"
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
Case study on the influence of rock brittleness on the TBM tunnelling performance
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DOI: 10.1038/s41598-024-73371-2
Abstract: Brittleness is an important mechanical property of rock. Accurately evaluating rock brittleness and its influence on the TBM tunnelling performance is necessary. In this work, via two practical engineering cases, with the aim of overcoming… read more here.
Keywords: rock brittleness; tunnelling performance; document; rock ... See more keywords
Evaluating Rock Brittleness Through a Novel Statistical Damage Theory-Based Index: A Case Study on Sandstones
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DOI: 10.3390/app142210153
Abstract: Evaluating the brittleness of rocks or rock masses is a fundamental problem in geotechnical engineering. This study proposed a new index that expresses brittleness as the rate of damage development in rock. The brittleness index… read more here.
Keywords: rock brittleness; damage; brittleness; index ... See more keywords