Useful Lifetime and Suitable Thickness of Soil-Lime Mixture   T. López-Lara Posgrado de Ingeniería, Universidad Autónoma de Querétaro Cerro de las Campanas SN, CP 76010 Santiago de Querétaro, Querétaro, México e-mail: lolte@uaq.mx J. B. Hernández Zaragoza, C. López-Cajun Posgrado de Ingeniería, Universidad Autónoma de Querétaro Cerro de las Campanas SN, CP 76010 Santiago de Querétaro, Querétaro, México e-mail: bosco@uaq.mx and cajun@uaq.mx, respectevely.
			ABSTRACT

Among the several solutions suggested for foundations on expansive clay soils, one can cite the improvement of soils using Lime. Although this procedure has been efficient, its utilization has been constrained due to the un-knowledge of its lifetime or effectiveness in the long span (minimum time required for the project at hand) and the soil thickness that must be treated. In this work, the results observed for the lifetime of the mixture soil-lime and the minimum soil layer thickness for guaranteeing mixture functionality are discussed.

Keywords: Expansive soils stabilization, useful lifetime, Lime treated clays, soil aging, lime.

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