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DC Resistivity and SASW for validation of effeiciency in soil stabilisation prior to road constructionNormal access

Authors: T. Dahlin, M. Svensson and P. Lindh
Event name: 5th EEGS-ES Meeting
Session: Slope and embankment stability, Landslides
Publication date: 06 September 1999
DOI: 10.3997/2214-4609.201406466
Organisations: EEGS
Language: English
Info: Extended abstract, PDF ( 161.21Kb )
Price: € 20

Summary:
The Öresund link project involves a number of connecting roads and bridges, of which the main road on Swedish ground is Yttre Ringvägen around Malmö. Parts of this road will be built where the bearing capacity of the existing ground is too low. Some of the contractors handle this by lime or cement stabilisation of the uppermost soil. Two of these stabilised sites were investigated with geophysical methods aiming at validating the efficiency of the stabilisation process. DC-resistivity was tested as a method for checking the homogeneity and depth penetration of the stabilisation, and SASW for determining the increase of the stiffness of the subsurface when stabilised.


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