Please use this identifier to cite or link to this item: http://repository.futminna.edu.ng:8080/jspui/handle/123456789/19705
Title: STABILISATION OF LATERITIC SOIL WITH CALCIUM CARBIDE WASTE FOR PAVEMENT APPLICATION
Authors: BALA, Makoji Innocent
Issue Date: Apr-2023
Abstract: ABSTRACT Soil Stabilisation is the process of improving the shear strength parameters of soil and thus increasing its bearing capacity. The poor soil along Ajaokuta-Lokoja Road was stabilised using Calcium carbide through the process of chemical stabilisation, but various tests was conducted on the soil which include physical and chemical property test, Specific gravity test, Compaction test, Unified compressive test (UCS) and California bearing ratio test (CBR). It was discovered that the soil belongs to the A-7-6 (13) according to AASHTO and CL group according to the Unified Soil Classification System, the XRD results shows that Quartz has the highest composition of 50.00%, montmorillonite 8.28%, anothoclase of 8.32% with anorthite having 6.12%, the particle size distribution gave a uniformly distributed graph, the specific gravity of 2.66 with MDD=1.99g/cm³, OMC=21.00%, the UCS of the BSH increases with increase in curing duration, with the peak value for the 0 day, 7 days and 28 days curing ranging from 440, 810 and 1040 with the increasing concentration of the calcium carbide in the laterite, the CBR increased with an increase in the increase in CCW with the unsoaked CBR giving higher value compared to soak CBR for all the percentage of replacement of calcium carbide using the three energy levels which indicate that the shear parameters of the poor soil was improve making it suitable for use for pavement application, it is therefore recommended that Stabilisation with additives like Calcium carbide waste is recommended to improve the bearing capacity of the lateritic soil. Cement and CCW should be used to stabilize an unsuitable A-7-6 lateritic soil., for long strata of such lateritic clay soil, total complete removal and replacement is recommended.
URI: http://repository.futminna.edu.ng:8080/jspui/handle/123456789/19705
Appears in Collections:Masters theses and dissertations

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