Search Results - "Aptukov, V. N"

Laser Scanning Monitoring of Deformations in Concrete Lining of Mine Shafts by Tarasov, V. V., Aptukov, V. N.

“…The authors discuss the known methods of shaft lining monitoring and put forward a new technique of real-time measurement of displacements on inner surface of…”
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Numerical Modeling of Frozen Rock Mass and Its Stress State in Sinking by Aptukov, V. N., Tarasov, V. V.

“…The authors implement a new model of calculating temperature field and stresses in frozen rock mass at all successive stages of sinking: rock freezing,…”
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DEFORMATION AND FAILURE OF CONCRETE LINING IN VERTICAL SHAFT AT INTERSECTIONS WITH HORIZONTAL TUNNELS by Tarasov, V. V., Aptukov, V. N., Pestrikova, V. S.

“…The article describes the long-term in-situ observations and inspection of concrete lining in air inlet shaft No. 3 in Uralkali’s mine, which reveal the main…”
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Modeling Concentration of Residual Stresses and Damages in Salt Rock Cores by Aptukov, V. N., Volegov, S. V.

“…The authors perform numerical modeling of processes which create individual history of mechanics and mechanical condition of salt rocks nearby a roadway. The…”
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ON THE IMPACT OF UNDERGROUND MINING ON THE ENGINEERING AND GEOLOGICAL CONDITIONS OF THE KAMA REGION by Gainanov, S. H., Aptukov, V. N.

“…The article is devoted to the current engineering and geological topic - the impact of underground workings on the conditions of construction and engineering…”
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Experimental and Theoretical Estimation of Fracture Toughness in Salt Rocks in Testing of Samples with Wedge-Shaped Cut by Aptukov, V. N., Volegov, S. V.

“…The article presents the procedure for the experimental and theoretical estimation of fracture toughness in salt rocks in testing of samples with wedge-shaped…”
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Deformation criterion of salt rock failure by Aptukov, V. N.

“…The author offers a new deformation criterion for the compressive strength of salt rock specimens. The limiting principal strain is a function of stress…”
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Micromechanical Characteristics of Karnallite, Sylvinite and Rock Salt at Upper Kama Deposit by Aptukov, V. N, Konstantinova, S. A, Skachkov, A. P

“…The authors appraise the test measurements of elastic modulus and micro-hardness of sylvite, halite and carnallite grains on NanoTest-600 unit, and analyze…”
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Fracturing behavior of feather salt rock samples under compression by Aptukov, V. N, Konstantinova, S. A, Merzlyakov, A. F

“…The paper presents the compression test results for salt rock samples and the study into the stress-strain state of cylindrical samples with different…”
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Nanorange mechanical and fractal properties of rock salt crystal surface and their effect on fracture toughness and wettability by Aptukov, V. N., Mitin, V. Yu

“…The scope of the studies embraces statistical and mechanical properties of surface of different kind crystals of salt rocks. Fractal dimension, hardness and…”
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New-Way Determination of the Degree of Loading of a Pillar by Aptukov, V. N., Vaulina, I. B.

“…Engineering formulas for the new-way determination of the degree of loading are obtained using the procedure of averaging stress state of pillars having…”
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Systems of Support for Junctions of Mine Shafts and Roadways in Salt Rocks by Alymenko, D. N., Solov’ev, V. A., Aptukov, V. N., Kotlyar, E. K.

“…Alternative systems of support for junctions of mine shafts and roadways in salt rock mass include monolithic concrete lining, concrete lining with a yielding…”
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Comparative characterization of surface roughness of sylvite, spathic salt and carnallite gains in nanorange by Aptukov, V. N., Mitin, V. Yu

“…The article considers statistical properties of surfaces of sylvite, spathic salt and carnallite grains in nanorange. The authors describe processed…”
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Technical Evaluation of Concrete Lining in Mine Shafts at the Upper Kama Salt Deposit by Tarasov, V. V., Aptukov, V. N., Ivanov, O. V., Nikolaev, P. V.

“…The mine shafts in the salt (unwatered) rock mass at the Upper Kama deposit are mostly lined with cast-in-place concrete and reinforced concrete, which should…”
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Physicomechanical Properties of Compositions Based on Butadiene–Nitrile Rubbers after Long-Term Exposure to a Drilling Fluid by Mironova, A. A., Aptukov, V. N., Poturaev, P. S., Basova, O. V., Medvedeva, N. A., Bulatov, V. V.

“…The influence of a drilling fluid on the physicomechanical properties of commercial rubbers of two types (RTD-1, RTD-2), which are used as stator coatings for…”
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Mathematical modeling of rocks fracture within local structures by Gaynanov, Sharibzan Kh, Aptukov, Valeriy N., Seredin, Valeriy V.

“…Soil massif fracturing has a significant impact on change in engineering and geological conditions and, as a result, on stability of structures. Development of…”
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Estimation of mechanical characteristics of salt rock crystals based on the mathematical model of nanoindentation using scanning probe microscope Dimension Icon by Valery Nagimovich Aptukov, Victor Yurievich Mitin

“…The scanning probe microscope Dimension Icon is used both to assess the relief of the sample surface and to obtain the force response of the sample during the…”
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Analytical and experimental determination of the specific penetration resistance. Description of the facial and rear weakening free-surface effect by Valery Nagimovich Aptukov, Artur Raisovich Khasanov, Andrey Fedorovich Merzlyakov

“…In the present paper, the main force parameter is estimated under the static tests. This parameter is the specific penetration resistance and it is generally…”
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Expansion of a spherical cavity in a compressible elastoplastic medium. I : Effect of mechanical characteristics, free surface, and lamination by APTUKOV, V. N

“…Previously abstracted from original as item 9204-31-1509. A new approach has been proposed to obtain the solution of one-dimensional problem for the expansion…”
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Expansion of a spherical cavity in a compressible elastoplastic medium. II : Effect of inertial forces; temperature effects by APTUKOV, V. N

“…Previously abstracted from original as item 9204-31-1510. A new approach has been proposed to obtain the solution to one-dimensional problem for the case of…”
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