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Journal of Mining Sciences

2015 year, number 4

Estimating Deformation Properties of Rocks by Pressuremeter Test Data Obtained in Hydrofractured Interval

M. V. KURLENYA, S. V. SERDYUKOV, A. V. PATUTIN
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
Keywords: массив горных пород, скважинные прессиометрические испытания, гидроразрыв, трещина, модуль Юнга, коэффициент Пуассона, напряженное состояние, rock mass, pressuremeter test, hydrofracturing, crack, Young’s modulus, Poisson’s ratio, stress state

Abstract

The authors propose the method to estimate deformation properties of rocks by the data on pressure meter tests in hydrofractured interval, allowing in situ values of Young’s modulus and Poisson’s ratio of rocks. It is shown that integration of pressure meter tests and hydraulic fracturing expands the scope of deformation measurements and improves efficiency of stress assessment in rocks using hydrofracturing method.