Evaluation the Efficiency of Installing Stone Columns in Ground Improvement of Al-Nassiriya City Soil
DOI:
https://doi.org/10.31663/utjes.v2i3.151Keywords:
Geotechnical, stone columns, finite differenceAbstract
This paper investigates the performance of stone columns in soft soil of Al-Nassiriyacity (one of Iraqi cities in the south). A geotechnical study of physical and mechanicalproperties of the soil has been carried out for a selected areas from Al-Nassiriya city. A finitedifference Matlab program has been employed in simulation of installing stone columns in theaforementioned soil. Results of the study illustrate using stone columns reduces thesettlement of the soil for different values of the modular ratio and replacement ratio, thusthe Wmax maximum settlement ratio changes from 30% to 16% of the modular ratios (Ec-/Es)=10 and 50 respectively. The effect of spacing and column width is taken intoconsideration.All results are reasonable and harmonic with most last studies
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