Investigation Into Some Of The Engineering Properties Of Red Clay Soils In Bahir Dar.

Despite Geotechnical research has not been done in Bahir Dar, from reconnaissance, the majorityrnof the town is covered by red soils comparing to the black soils. The red clay soils are dominantlyrnfound in the eastern and western parts of the town. An investigation has been made on thernproperties of red soils obtained, from locally called 'Abay mado' (Kebele 11), in the eastern partrnof the town where the expansion is very high for development. Hence the present research isrnintended to investigate some of the engineering properties of red clay soils in Bahir. After visitingrnthe proposed site, six test pit points were selected. The numbers of test pits were limited becausernof the constraint in budget and time. Representative disturbed and undisturbed soil samples wererncollected from open pits by direct excavation manually. The laboratory tests that were carriedrnout includes mineralogical analysis, index properties, consolidation, and shear strength tests andrnwith the aid of these results an analysis is made to determine some characteristics of red clayrnsoils.rn10rnThe laboratory result shows the red clay soils in Bahir Dar contain the clay mineral kaoliniternpredominantly. The data resulted from the test is inadequate to provide correlation that relaternindex properties with shear strength parameters and compressibility characteristics.

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