Purpose. Finding an effective solution for draining the subgrade in poorly permeable soils with a non-swamp drainage system while increasing its load-bearing capacity. Methodology. Low permeability soils have a very low drainage coefficient and consequently long drainage times when the drainage spacing is large. A methodology for the hydraulic calculation of non-swamp drains of different cross-sectional shapes has been developed. This provides a different height of water level reduction in the subgrade with approximately the same increase in its load-bearing capacity. Results. The calculations carried out make it possible to establish the most favourable shape of the live cross-section with the same hydrological load on the non-swamp drain in terms of the amount of water level reduction in the subgrade. Practical relevance. The installation of non-swamp drains in the subgrade along with efficient drainage ensures an increase in the load-bearing capacity. The construction of a sub-cavity drainage system is not necessary allowing to reduce costs both during the construction of the railway bed and during its operation.
Drains that Provide Highly Efficient Drainage of the Subgrade and Increase of the Subgrade
Lect. Notes in Networks, Syst.
International Scientific Siberian Transport Forum ; 2021 May 11, 2021 - May 14, 2021
International Scientific Siberian Transport Forum TransSiberia - 2021 ; Chapter : 35 ; 314-323
2022-03-19
10 pages
Article/Chapter (Book)
Electronic Resource
English
Earthworks, Drainage, Subgrade (C12)
British Library Conference Proceedings | 1996
|IuD Bahn | 1995
|IuD Bahn | 1995
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