DOI: 10.5593/sgem2017/32/S13.033


L. Chindris, D. P. Stefanescuu, L. Radermacher, C. Radeanu, C. Popa
Tuesday 12 September 2017 by Libadmin2017

References: 17th International Multidisciplinary Scientific GeoConference SGEM 2017, www.sgem.org, SGEM2017 Conference Proceedings, ISBN 978-619-7408-05-8 / ISSN 1314-2704, 29 June - 5 July, 2017, Vol. 17, Issue 32, 247-256 pp, DOI: 10.5593/sgem2017/32/S13.033


It is a well-known fact that a construction is as strong as its foundations are. Nowadays the constructions sites with good soils for foundations are fewer and fewer. One of the most encountered issue on sites, especially in road construction is the presence of highly cohesive soils, soils that are easily affected by the change of the water content. Active clay soils present a problematic challenge for civil and geotechnical engineers all over the world. Key aspects that need identification when dealing with expansive soils include: soil properties, suction/water conditions, water content variations temporal and spatial, (generated by trees and the seasonal change), and the geometry/stiffness of foundations and associated structures built on active shrink/swell soils. Stabilization procedures are available in order to reduce or completely eliminate the swelling potential of expansive clays. The problematic soil is removed and replaced by a good quality material or treated using mechanical and/or chemical stabilization. Different procedures can be used to improve the geotechnical characteristics of problematic soils by treating in situ. One of the preferred solutions for soil stabilization is treatment with mineral binders. The solution has been proven to be effective of various types of cohesive soils.

Keywords: Soil stabilization, clay soils, expansive soils, lime, hydraulic binders, bearing capacity, improvement, and treatment

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