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испытание на одноосное сжатие (глоссарий Schlumberger: "A measure of a material's strength. The unconfined compressive strength (UCS) is the maximum axial compressive stress that a right-cylindrical sample of material can withstand under unconfined conditions–the confining stress is zero. It is also known as the uniaxial compressive strength of a material because the application of compressive stress is only along one axis–the longitudinal axis–of the sample"  slb.com О. Шишкова) | |||