GEOTECHNICAL CHARACTERIZATION OF LATERITES STABILISED WITH SAWDUST ASH-LIME AS SUBGRADE MATERIAL IN ROAD CONSTRUCTION
ABSTRACT Samples of laterites classified by American Association of State Highway and Transportation Officials (AASHTO) as A-7-6 and A-7-5, collected from two different borrow pits in Ado-Ekiti were tested for the assessment of their geotechnical properties in natural and stabilized states. The research is aimed at assessing effects of sawdust ash (SDA), lime and the combination of sawdust ash and lime (SDAL) on the properties of the soil samples. The samples were subj...
Assessment of the effects of lime and cement on geotechnical properties of laterites
Abstract- Two different samples of soil tested as A-7-5 and A-7-6 were stabilized respectively with lime and cement. The samples were stabilized with the additives in steps of 2% and subjected to laboratory tests such as consistency limits, compaction, California bearing ratio (CBR) and unconfined compressive strength (UCS) until it reached 10% additives by weight of dry soil sample. The Proctor energy type of compaction and soaked method of CBR was adopted for the research while the compress...