INFLUENCE OF NEEM SEED HUSK ASH (NSHA) ON ENGINEERING PROPERTIES OF RESIDUAL LATERITIC SOIL

Publication Date : 01/08/2009

Author(s) :

Uche, O. A. U, Abubakar, M. N.

Volume/Issue :

Volume 4

Issue 2

(08 - 2009)

Abstract :

The civil engineer is faced with arduous task of modification/stabilization when faced with problento lateritic soil in highway and other construction work, This study presents the result of experina0 investigation on the influence of Neem seed husk ash (NSHA) on the engineering properties of resid lateritic soil found along Kaduna-Kano road, Nigeria, Experimental investigation classified the untreated so as A6 or CL soil according to AASHTO and USCS classification respectively. The NSHA additions writ performed using 0, 4, 8 and 12% of NSHA by weight of dry soil thoroughly mixed. The results of the, ovoid soil showed that the liquid limit, plastic limit and the maximum dry density (MDD) decreases as the AM addition increases, whereas the plastic index and the soaked Californian bearing ratio (CBR) increases as !I NSHA content increases. This implies that the Neem seed ash (NSHA) possess the potential for use in iltt modification/ stabilization of residual lateritic

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