EFFECT OFLOCUST BEAN WASTE ASH ON CEMENTMODIFIED BLACK COTTON SOIL.

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dc.contributor.authorSALAWU, BABA.
dc.date.accessioned2014-04-08T09:15:34Z
dc.date.available2014-04-08T09:15:34Z
dc.date.issued2011-11
dc.descriptionA THESIS SUBMITTED TO THE POSTGRADUATE SCHOOL, AHMADU BELLO UNIVERSITY, ZARIA IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE AWARD OF THE DEGREE OF MASTER OF SCIENCE IN CIVIL ENGINEERING DEPARTMENT OF CIVIL ENGINEERING FACULTY OF ENGINEERING AHMADUBELLO UNIVERSITY ZARIA, NIGERIA NOVEMBER2011.en_US
dc.description.abstractBlack cotton soil classified as an A-7-6 (24) soil on AASHTO classification collected from new Marte area of Borno state was modified with up to 4% cement and LBWA up to 8% by weight of the soil. The effect of locust bean waste ash (LBWA) on the cement modified soil was studied with respect to particle size distribution , Atterberg limits, compaction characteristics and shear strength parameters using three 3 compactive efforts namely, British Standard light (BSl), West African Standard (WAS), and British Standard heavy (BSh). Statistical analysis was then carried out on results obtained from the test conducted to determine the significant difference (i.e., p < 0.05) in the various soil - cement mixes using a two – way analysis of variance (ANOVA) with the Microsoft Excel Analysis Tool Pack Software. Analyses of the results of the soil cement mixtures considered indicate increase in particle sizes, increase in the liquid limit and decrease in the plastic limit with corresponding increase in plasticity index, increase in maximum dry density (MDD) with increase in optimum moisture content (OMC) as well decrease in cohesion with increasing angle of internal friction all with higher locust bean waste ash content. The result also showed that the modified soil met the requirement of the Nigerian General Specification of not more than 35% passing No. 200 sieve when used as a sub grade material in road construction. An optimal blend of 4% cement / 8% LBWA is recommended for the modification of black cotton soil.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/4647
dc.language.isoenen_US
dc.subjectEFFECT,en_US
dc.subjectLOCUST BEAN,en_US
dc.subjectWASTE ASH,en_US
dc.subjectCEMENTMODIFIED,en_US
dc.subjectBLACK,en_US
dc.subjectCOTTON,en_US
dc.subjectSOIL.en_US
dc.titleEFFECT OFLOCUST BEAN WASTE ASH ON CEMENTMODIFIED BLACK COTTON SOIL.en_US
dc.typeThesisen_US
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