Justification of the parameters of a flexible grillage to strengthen the soft foundations of the subgrade of high-speed highways

Loktev, Alexey; Shishkina, Irina; Ulanov, Ivan; Savulidi, Mikhail; Klekovkina, Nadezhda; Kuznetsov, A.

doi:10.1016/j.trpro.2022.06.079

Transportation Research Procedia

2022

DOI: 10.1016/j.trpro.2022.06.079

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Justification of the parameters of a flexible grillage to strengthen the soft foundations of the subgrade of high-speed highways

Alexey Loktev

Irina Shishkina

Ivan Ulanov

et al.

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2023

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Cited by 4 publications

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Proportion calculation of the defect parts in track switching equipment

Shishkina

2023

E3S Web of Conf.

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This paper presents a direct calculation of the average value of defective elements of point products. Production process control is considered using the example of the control of point products. The calculation of the first four moments in a binomial distribution of the number of defective elements of point products is made. The standard error of the fraction of defective elements is considered in detail.

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Proportion calculation of the defect parts in track switching equipment

Shishkina

2023

E3S Web of Conf.

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Binomial distribution of railway superstructure elements

Korolev

2023

E3S Web of Conf.

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Statistical methods of control of point components and quality of point products are an integral part of modern point production, and their application is closely connected with solving tasks of increasing labour productivity and general enterprise culture, saving materials, and reducing defects. The paper presents a derivation of basic formulas for a binomial distribution of elements of the railway track superstructure. Calculation of theoretical distribution is made. The interrelation between probability theory, statistics, and quality control of point products is considered.

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Modelling the dynamic force of bridge crossings

2023

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Viscoelastic elements of Kelvin-Feugt type are supposed to be used for modelling dynamic influences from the transport side and dynamic behaviour of separate elements and the whole structure as a whole. Periodic monitoring of bridge crossings using the considered approaches will make it possible to detect the presence of defects in the span itself, associated with the formation of cracks, spalling, because in the presence of such defects the estimated frequencies change.

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Justification of the parameters of a flexible grillage to strengthen the soft foundations of the subgrade of high-speed highways

Cited by 4 publications

References 15 publications

Proportion calculation of the defect parts in track switching equipment

Proportion calculation of the defect parts in track switching equipment

Binomial distribution of railway superstructure elements

Modelling the dynamic force of bridge crossings

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