ARTÍCULO
TITULO

Application of modified cam-clay model to reconstituted clays of the sabana de Bogotá

Javier Camacho    
Oscar Reyes    

Resumen

Bogotá, the capital of Colombia is located in a plateau on the Eastern mountain chain of the Andes, whose subsoil is conformed by a quaternary lacustrinedeposit conformed mainly by layers of clays and silts with sand interleaves. The soft clays, present in a considerable area of the urban and potentially urbanzone, must carefully be studied so that the foundations solutions guarantee the stability and functionality of civil works. The study of constitutive modelshas had great evolution in academic means but its practical application in the design has been limited, mainly by its little diffusion and the necessity touse a greater number of parameters than the required ones in the traditional methodologies. The fundamental concepts of the Modified Cam-Clay (CCM)model, the necessary parameters and the capacity of the model are analyzed to reproduce the experimental results of a set of triaxial tests on reconstitutedsamples of Bogotá. Finally, the conditions under which the model better simulates the behavior of soil (normally consolidated) are identified and on whichvariables more work has to be done to obtain a more complete constituent model (anisotropy).

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