Influence of Combined Stabilization on the Structural Properties of Subgrade Soil

Authors

  • Saad Issa Sarsam Professor, Department of Civil Engineering, University of Baghdad, Iraq Email id:saadisasarsam[at]coeng[dot]uobaghdad[dot]edu[dot]iq

DOI:

https://doi.org/10.37591/joge.v4i1.3735

Abstract

Soil stabilization with liquid asphalt is considered as a sustainable step towards roadway construction on problematic subgrade soil, there are no requirements to import good quality materials or to implement energy consumption, but to mix the readily available soil with liquid asphalt through the cold mix technique. In this work, collapsible soil obtained from Nasiriya was mixed with asphalt emulsion, lime, and combinations of lime and asphalt emulsion (combined stabilization) and tested in the laboratory for California bearing ratio in dry and soaked conditions. Field trial sections have been prepared with the same combinations and subjected to plate bearing test. The influence of combined stabilization on the structural properties in terms of load bearing capacity and deformation under both testing techniques have been monitored and analyzed. It was concluded that 17% of asphalt emulsion and 6% lime can furnish a suitable combined stabilization process from the structural properties requirements point of view.

References

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Published

2017-04-05

Issue

Vol. 4 No. 1 (2017)

Section

Articles

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