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Open AccessArticle

Displacements of Object Founded on Expansive Soils—A Case Study of Light Construction

Faculty of Civil and Environmental Engineering and Architecture, UTP University of Science and Technology, 85-796 Bydgoszcz, Poland
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Geosciences 2020, 10(4), 153; https://doi.org/10.3390/geosciences10040153
Received: 30 March 2020 / Revised: 18 April 2020 / Accepted: 21 April 2020 / Published: 23 April 2020
(This article belongs to the Special Issue Geosciences and their use in the field of Civil Engineering)
The paper presents results of observations of a light structure damaged by irregular vertical and horizontal deformations on Neogene expansive clays, typical for area in Central Poland. The sensitivity to environmental changes of humidity in such subsoils can activate volume changes, which causes the destruction of many objects susceptible to deformation. Detailed geotechnical investigations, including seasonal fluctuations of natural moisture content, were carried out for over a year, describing the dynamism of conditions of clays in the foundation zone. Parallel geodetic measurements of vertical and horizontal displacements were carried out, using classical precision leveling and the coordinate method of the Leica TDRA 6000 laser station. The network of measurement points has been specially designed and implemented to follow the spatial displacements of the structure. The network points were placed at the bottom of pillars and on the flooring of the structure located in the upper part. In the paper, the results of the vertical and horizontal periodical measurement of displacements of an investigated construction over the year were discussed to identify the main factors influencing the mechanism of damage of the observed structure. View Full-Text
Keywords: light construction; expansive clays; geodesy investigation light construction; expansive clays; geodesy investigation
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Gorączko, A.; Sztubecki, J.; Bujarkiewicz, A.; Topoliński, S. Displacements of Object Founded on Expansive Soils—A Case Study of Light Construction. Geosciences 2020, 10, 153.

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