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Geomechanics and Engineering Volume 8, Number 1, January 2015 , pages 17-31 DOI: https://doi.org/10.12989/gae.2015.8.1.017 |
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Effect of cement stabilization on geotechnical properties of sandy soils |
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Issa Shooshpasha and Reza Alijani Shirvani
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| Abstract | ||
| An experimental program was performed to study the effects of cement stabilization on the geotechnical characteristics of sandy soils. Stabilizing agent included lime Portland cement, and was added in percentages of 2.5, 5 and 7.5% by dry weight of the soils. An analysis of the mechanical behavior of the soil is performed from the interpretation of results from unconfined compression tests and direct shear tests. Cylindrical and cube samples were prepared at optimum moisture content and maximum dry unit weight for unconfined compression and direct shear tests, respectively. Samples were cured for 7, 14 and 28 days after which they were tested. Based on the experimental investigations, the utilization of cemented specimens increased strength parameters, reduced displacement at failure, and changed soil behavior to a noticeable brittle behavior. | ||
| Key Words | ||
| lime portland cement; stabilization; unconfined compressive strength; shear strength parameters; brittle behavior | ||
| Address | ||
| Department of Civil Engineering, Faculty of Civil Engineering, Babol University of Technology, Iran. | ||