121· Rocks deformed at low confining pressure are brittle, which means that after peak stress, the strength declines to a residual value established by sliding friction. The stress …
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2020321· Uniaxial compressive strength (UCS) of rock material is very important parameter for rock engineering applications such as rock mass classification, numerical …
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61· The data for the physical and mechanical properties of metamorphic rocks such as (Density, Young’s modulus, Uniaxial Compressive Strength (UCS), Porosity, Tensile …
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2020111· Sharma & Singh [38] developed some empirical equations to estimate dependent variables such as the impact strength, SDI and UCS using the V p independent …
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91· Tensile strength of intact rocks and their compressive strength at low confinements are at least partially controlled by propagation of micro-cracks within rocks, a …
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20241030· The uniaxial compressive strength of intact rock plays a crucial role in the design of geotechnical, mining engineering, and petroleum reservoir projects [].In geotechnical …
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2024831· The SIR is typically characterized by different parameters, including compressive strength, tensile strength, and shear strength (SS) 4. Compressive strength is the …
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Compressive strength measures a material’s ability to withstand axial loads without deformation, a critical property for structural analysis and design. This database provides standardized …
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2024125· The complete stress and strain curve of rock has been recognized to be a useful indicator to interpret the strength and deformability of rock in uniaxial compression tests. Great …
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55· The tensile to compressive strength ratios of different types of rocks are different, and even the tensile to compressive strength ratio of the same type of rock may vary greatly, …
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2004111· Additionally, the dry density, water absorption and uniaxial compressive strength of the rocks at different weathering stages were determined. Analysis of experimental data …
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Strength and deformation properties play a very important role while designing structures in rocks. Determining the appropriate strength parameters are important as the design should be in …
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2014619· Various rock types—including highly deformed to undeformed quartzites, granites, granitic gneisses, gneisses, metabasics (meta-amphibolites and meta-dolerite), and …
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mi is the parameter for intact rock in the Hoek-Brown failure criterion for rock masses by Hoek et al. (1998). Values in parenthesis have been estimated by Hoek et al (1992); values with …
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2020321· Uniaxial compressive strength (UCS) of rock material is very important parameter for rock engineering applications such as rock mass classification, numerical …
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201671· 3 Test results and discussion 3.1 Compressive strength under different strain rates Figure 2 shows the compressive strength of dry and saturated specimens under different …
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and in equation (8), D is the rock density in g/cm3. Kazi et al. (1983) proposed an empirical equation relating the uniaxial compressive strength of intact rocks to their dynamic modulus. A …
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2004111· The uniaxial compressive strength values of the rocks in different weathering stage were determined to investigate the effect of changes in both total and effective porosity …
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2025127· General rock failure criterion can be reduced to a few parameters dependent on lithology (m) and the uniaxial compressive strength (C0). Lithology is commonly derived during …
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Logger decides on how to split the core into zones associated with different fracture spacing. the term total core recovery- it is the percentage of the rock recovered compressive strength …
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201221· The boundary between hard and soft rocks has been defined by various organizations. For example, one definition places the boundary at a uniaxial compressive …
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20111111· Rusnak JA, Mark C (1999) Using the point load test to determine the uniaxial compressive strength of coal measure rock. In: Proceedings of 19th international conference …
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2024125· The complete stress and strain curve of rock has been recognized to be a useful indicator to interpret the strength and deformability of rock in uniaxial compression tests. Great …
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201381· The aim of this paper is to estimate the uniaxial compressive strength (UCS) of rocks with different characteristics by using genetic expression programming (GEP). For this …
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202471· The rock compressive strength (Li et al., ; Gao et al., ; Meng et al., ), tensile strength (Liu et al., b), and fracture toughness (Liu et al., a; Zhang et …
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201961· Many of the available correlations for rock strength relate the unconfined compressive strength, UCS, with the P-wave velocity, V p , for example, Azimian et al (2014), …
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2008101· In this study, the relationships between the uniaxial compressive strength (UCS), unit weight (γ) and modulus of elasticity for different types of rocks were analysed by …
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2024125· The complete stress and strain curve of rock has been recognized to be a useful indicator to interpret the strength and deformability of rock in uniaxial compression tests. Great …
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2.3.2.1 Uniaxial compression strength (UCS) The uniaxial compressive strength is the value of compressive stress at which the specimen fails. The compressive strength is usually obtained …
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