Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Victor Yavna"'
Autor:
Maksim Okost, Vladimir Shapovalov, Andrey Morozov, Andrey Vasilchenko, Andrei Kochur, Victor Yavna
Publikováno v:
International Journal of Transportation Science and Technology, Vol 14, Iss , Pp 237-257 (2024)
This work is devoted to the determination and systematization of the properties of clay soils used in the construction of new railway tracks in order to develop the railway network in the Azov-Black Sea region of Russia. To this end, classification c
Externí odkaz:
https://doaj.org/article/d01851c8c4594c80955439aee81fb3e5
Autor:
Victor Yavna, Vladimir Shapovalov, Maksim Okost, Andrey Morozov, Yakov Ermolov, Andrei Kochur
Publikováno v:
International Journal of Transportation Science and Technology, Vol 12, Iss 3, Pp 729-752 (2023)
Subgrade is an important construction element of the railroad track. In the process of long-term operation, the subgrade is loaded by trains and exposed to natural climatic factors, such as wind and seismic loads, moisture caused by atmospheric preci
Externí odkaz:
https://doaj.org/article/b728b61fada64530947f0c0f67aa00fc
Publikováno v:
Fluids, Vol 7, Iss 12, p 379 (2022)
A ground-penetrating radar (GPR) technology was developed to study the process of water drainage in sand layers with an insignificant concentration of dusty and clayey particles when moistened from above. The technology includes a method of calibrati
Externí odkaz:
https://doaj.org/article/157205ab808e4d6a80180f82772c492c
Publikováno v:
Crystals, Vol 12, Iss 9, p 1224 (2022)
This study presents data on the IR spectra of kaolinite at a moisture of 26% and after drying. The preparation of moistened samples was made with distilled water, and the solutions of NaCl with limiting and 50% of limiting concentrations at a tempera
Externí odkaz:
https://doaj.org/article/ee20976e662e445a9ef01b69130afbc3
Publikováno v:
SoftwareX, Vol 13, Iss , Pp 100647- (2021)
XMHFL is a computer program that implements the Single Center Expansion (SCE) method to describe ground, excited and ionized states of a molecular system with one or more vacancies. The simulation mechanism is based on a combination of the three-poin
Externí odkaz:
https://doaj.org/article/cc579426c3fc48b7a0bd9a309e25b8da
Publikováno v:
Transportation Engineering, Vol 2, Iss , Pp 100028- (2020)
The widening of the railway roadbed for additional tracks is one of the effective ways to increase the carrying capacity of railway lines. However, the experience in using such railway sections shows that differences in the properties of soils and th
Externí odkaz:
https://doaj.org/article/688c0192cefc495b9bdbd80f8f873244
Publikováno v:
Results in Engineering, Vol 7, Iss , Pp 100138- (2020)
This paper is devoted to studying the applicability of impulse radiolocation method in microwave range (1700 MHz) with the use of transmit and receive GPR antennas in order to measure contact wire position of electrified railways. Results showed that
Externí odkaz:
https://doaj.org/article/cfb1b8b8a57d41438b23ba16ac8d7312
Publikováno v:
Crystals, Vol 11, Iss 9, p 1146 (2021)
The hydration of the basal surfaces of kaolinite is studied by theoretical methods. The cluster method was used to simulate the positions of atoms. The positions of the atoms of the basal surfaces of dry and hydrated minerals are optimized by minimiz
Externí odkaz:
https://doaj.org/article/8da4d540da6c4620903fc6eb63dd52a6
Publikováno v:
Computation, Vol 9, Iss 1, p 1 (2020)
This research evaluates the inhibitory effect of L-amino acids (AAs) with different side chain lengths on Fe (100) surfaces implementing Monte Carlo (MC) simulation. A quantitative and qualitative description of the adsorption behavior of AAs on the
Externí odkaz:
https://doaj.org/article/37371d4bafd44552a4335871926f7d17
Publikováno v:
Algorithms, Vol 11, Iss 1, p 1 (2017)
Investigation of the interaction of electromagnetic radiation with molecular systems provides most of the information on their structure and properties. Interpretation of experimental data is directly determined by the knowledge of the structure of e
Externí odkaz:
https://doaj.org/article/36001d52358746e887789a94ccce94c3