Scheffe optimization of swelling, California bearing ratio, compressive strength, and durability potentials of quarry dust stabilized soft clay soil
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Date
2019
Journal Title
Journal ISSN
Volume Title
Publisher
Materials Science for Energy Technologies
Abstract
Scheffe’s second degree polynomial was used to formulate models for predicting the swelling potential,
California bearing ratio, unconfined compressive strength and loss of strength on immersion durability of
quarry dust treated soil. These models could predict the swelling potential, California bearing ratio,
unconfined compressive strength and loss of strength on immersion durability of treated soil if the
mix ratios are known and vice versa. The response predicted by the models are in good agreement with
the corresponding experimentally observed results. The result of these tests shows the feasibility of using
quarry dust in soil stabilization. The student t-test and the analysis of variance (ANOVA) test were used to
check the adequacy of the models, and the models were found to be adequate at 95% confidence level.
With the optimized equations, the properties’ design, behaviour, and performance of treated soft clay soil
as a pavement subgrade material will be appropriated and monitored. This will be for any possible volume
changes, shear failures, strength failures and durability failures when the material used as a
hydraulically bound material is in contact with moisture beyond its optimum and subjected to dynamic
load beyond its design value.
Description
Keywords
Scheffe optimization, Quarry dust, Moisture bound materials, Swelling, Recycled materials, Simplex lattice polynomial
Citation
Onyelowe, K., Alaneme, G., Igboayaka, C., Orji, F., Ugwuanyi, H., Van, D. B., & Van, M. N. (2019). Scheffe optimization of swelling, California bearing ratio, compressive strength, and durability potentials of quarry dust stabilized soft clay soil. Materials Science for Energy Technologies, 2(1), 67-77. https://doi.org/10.1016/j.mset.2018.10.005