Reinforced Sandy Piles for Low-Rise Buildings

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Reinforced Sandy Piles for Low-Rise Buildings

International Scientific Conference Urban Civil Engineering and Municipal Facilities,
SPbUCEMF-2015

Maltseva Tatyana*, Nabokov Alexander, Chernykh Anastasia
Tyumen State University of Architecture and Civil Engineering, st. Lunacharskogo 2, Tyumen, Russia
Abstract
At present a number of techniques for artificial strengthening weak foundation soils have been developed and implemented, most
of them having poor efficiency due to expensive materials and equipment used. Therefore, studying and developing new ways to
improve soil bearing capacity is an urgent task. The paper presents the experimental study of one of the ways to improve soil
bearing capacity and stability through introduction of a sandy pile reinforced vertically along the contour with a geosynthetic
permeable element (geogrid CCP 30/30 – 2.5). A technique for determining the temporal strain condition of the given structure
has been developed after the linear theory of viscoelasticity. Theoretical calculations for the vertical movements of the pile body,
comparable with the results of in-situ tests are presented.
© 2015 The Authors. Published by Elsevier Ltd.
Peer-review under responsibility of the organizing committee of SPbUCEMF-2015.
Keywords: Foundation, reinforced sandy pile, to improve soil bearing capacity, stress-strain condition, viscoelasticity.

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