JETI Admin2
Abstract
The high cost of Portland cement used for improving road bases has led to investigating the effect of agricultural waste resources on the engineering properties of soils. One of the possible ways of cost reduction is to convert cassava waste materials into ash and use them in addition with cement to relieve the environment from the menace of environmental pollution, arising from indiscriminate disposal of agricultural wastes. This research is aimed at determining the strength performance of cassava peel ash (CPA) on cement stabilized lateritic soil for road construction in Lokoja town. The samples are carried out at 0, 2, 4, 6, 8, and 10 % cassava peel ash (CPA) which was thoroughly mixed with 6% optimum cement in order to determine their engineering properties for use in road construction. The use of CPA in road construction works can be said to be an effective agricultural waste and should be use for the improvement of road construction soils for better road performance. The methods used to determine the preliminary properties are; moisture content, specific gravity, sieve analysis, atterberg’s limit, while the engineering properties was determined using compaction, California bearing ratio (CBR), Unconfined compressive strength (UCS) and direct stress test. The CPA increases the geotechnical properties of the optimum cement-stabilized lateritic soils and also showed significant improvement on the CBR, compaction and UCS of the soils. Therefore, this research provides a sound platform on the use of cassava peel ash as auxiliary additives and reveal full potentials in soil stabilization with cement.
References
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