CC BY-NC 3.0 Poland


Ouassila Bahloul 1  ,  
Laboratory of Research in Applied Hydraulics, LRHYA, Faculty of Technology, Department of ‎Civil ‎Engineering, University of Mostefa Ben Boulaid, Batna 2, Algeria.‎
CGI. Technical Services, 1612 Insight Place, Redding, California, 9600 USA‎
Mining Science 2019;26:249–262
Chemical stabilization of soil is an effective improvement technique because it reduces the ability of ‎the soil ‎to swell. We added different proportions of magnesium chloride to an expansive clay and ‎performed ‎swelling, geotechnical characterization, and mechanical strength tests. The results show ‎that the swelling ‎potential and swelling pressure of the expansive soil were significantly decreased ‎by the addition of ‎magnesium chloride (MgCl2). This treatment also improved the physical and ‎mechanical characteristics and ‎microstructure of the soil. The soil’s plastic limit, shrinkage limit, ‎cohesion, and internal friction angle all ‎increased linearly with the addition of the MgCl2 stabilizer. ‎However, we observed that the liquid limit of the ‎soil decreased as the level of magnesium chloride ‎was increased.‎
Ouassila Bahloul   
Laboratory of Research in Applied Hydraulics, LRHYA, Faculty of Technology, Department of ‎Civil ‎Engineering, University of Mostefa Ben Boulaid, Batna 2, Algeria.‎
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