Descripción: “...La variación de la velocidad del ensayo de corte versus la resistencia al corte no drenada ha sido evaluada mediante la realización de ensayos de corte UU sobre muestras inalteradas recuperadas mediante la utilización de Tubos Shelby de pared delgada, se presentan las gráficas de variación del esfuerzo cortante, la cohesión y ángulo de fricción versus la velocidad y su incidencia en el diseño.ABSTRACTResidual soils by their formation process have special characteristics that are not characterized in traditional soil mechanics devoted to sedimentary soils. ...”

Descripción: “..." In this project it is assumed the organization of the curriculum, the curriculum of science and its continuing restructuring as an ongoing investigative work by the group of teachers of different levels of education, in a way such that recognize the problems around teaching and learning science in the particular context of each institution, formulate and implement solution strategies and establish plans for monitoring and evaluating these processes in benefit of the formation of scientific competences.Key Words: Teaching, natural sciences, curriculum, research school, science competition ...”