Methods for the construction of lowered structures and pile foundations

The paper discusses the methods of erecting sunk wells and pile foundations, which consist in regulating the frictional forces of soils: lowering along the lateral surface when sinking wells and increasing when erecting pile foundations. The developed method of sinking wells provides for the applica...

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Bibliographic Details
Published in:E3S web of conferences 2021-01, Vol.258, p.9036
Main Authors: Kocherzhenko, Vladimir, Suleymanova, Lyudmila
Format: Article
Language:English
Subjects:
Antifriction
Bearing capacity
Clay soils
Coatings
Driven piles
Friction
Friction reduction
Pile foundations
Piles
Sandy soils
Soils
T section
Wells
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Summary:The paper discusses the methods of erecting sunk wells and pile foundations, which consist in regulating the frictional forces of soils: lowering along the lateral surface when sinking wells and increasing when erecting pile foundations. The developed method of sinking wells provides for the application of two types of effective antifriction coatings along the lateral surface: along the cutting edge of the structure and above the cutting ledge. At the same time, the coefficients of reducing the friction forces by these coatings for various types of soils have been established, and a method for calculating sunk wells for lowering is proposed, taking into account the use of the developed submerging method. To increase the friction forces on the lateral surface of the driven piles and to increase their bearing capacity, modular piles with a developed lateral surface of the T-section have been developed and introduced. The areas of rational use of these piles are established depending on the types of soils (clay and sandy) and the depth of their penetration.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202125809036