%0 Journal Article %T Herramientas para an¨¢lisis por confiabilidad en geotecnia: La teor¨ªa %A Hidalgo Montoya %A C¨¦sar Augusto %A Pacheco de Assis %A Andr¨¦ %J Revista Ingenier¨ªas Universidad de Medell¨ªn %D 2011 %I Universidad de Medell¨ªn %X in this work, many sources of uncertainty in geotechnical design as the estimation of mechanical parameters and the premises for models and theories are analyzed. subsequently, three probabilistic tools for valuation of the uncertainty in many geotechnical processes are presented and compared. %K reliability %K confidence %K uncertainty %K soil mechanics %K rock mechanics. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S1692-33242011000100008&lng=en&nrm=iso&tlng=en