Feasibility studies of protective sub-ballast soil-cement layers at heavy-train traffic
https://doi.org/10.31675/1607-1859-2021-23-1-161-174
Abstract
The development of ways to create a solid base for laying the track structure becomes especially relevant in conditions of the heavy-train traffic. This work presents feasibility studies of using a cold regeneration soil method for strengthening the main subgrade site. The advantages of this method are identified by the creation of models of production processes for soil-cement layers of various thickness. The main performance indicators are analyzed and compared with similar indicators of the most used engineering solutions for strengthening the subgrade working area: soft soil replacing and creation of a protective layer from a rubble-sand-gravel mixture reinforced with a geocell.
The obtained results allow determining the following parameters: the number of employees, length of employment, outputs, productivity, labor costs, wages, costs of machine and mechanism operation, materials and works.
Based on the results, a conclusion is made that there is an obvious advantage of the cold regeneration soil method for all parameters.
The obtained results allow determining the following parameters: the number of employees, length of employment, outputs, productivity, labor costs, wages, costs of machine and mechanism operation, materials and works.
Based on the results, a conclusion is made that there is an obvious advantage of the cold regeneration soil method for all parameters.
About the Authors
S. A. Kosenko
Siberian State Transport University
Russian Federation
Russian Federation
Sergei A. Kosenko, DSc, Professor
191, Dusi Koval'chuk Str., 630049, Novosibirsk
I. A. Kotova
Siberian State Transport University
Russian Federation
Russian Federation
Irina A. Kotova, PhD, A/Professor
191, Dusi Koval'chuk Str., 630049, Novosibirsk
S. S. Akimov
Siberian State Transport University
Russian Federation
Russian Federation
Sergei S. Akimov, Research Assistant
191, Dusi Koval'chuk Str., 630049, Novosibirsk
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Review
For citations:
Kosenko S.A., Kotova I.A., Akimov S.S. Feasibility studies of protective sub-ballast soil-cement layers at heavy-train traffic. Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture. 2021;23(1):161-174. (In Russ.) https://doi.org/10.31675/1607-1859-2021-23-1-161-174
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