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Journal of Applied Sciences

Year: 2006 | Volume: 6 | Issue: 8 | Page No.: 1882-1885
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Authors

O.O. Akinkurolere

Cangru Jiang

A.T. Oyediran

O.I. Dele- Salawu

A.K. Elensinnla

Keywords

The present study looks into some properties of Cob as a building material. Cob is an ancient technique of building, which is a combination of sand and clay, mixed with straw and water. The study determined some of the engineering properties of cob for its suitability as building material. The soil sample used was obtained from a site in front of the Federal polytechnic Ado-Ekiti, in Nigeria. The plastic index and the plastic limit results for the soil are 23.8 and 40.5%, respectively. Also straw content of about 1-1.5% gave the highest compressive strength at optimum moisture content of 2-4%.
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Eric French Reply

I am trying to get a building permit to build with this material where I live and need to show that my cob fits into this moisture content, and perhaps plasticity. When and how did you measure the moisture content? After mixing the sand, clay and straw? Any help in how I can adequately demonstrate that my material falls into an acceptable range as a building material would be most appreciated.

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