Evaluación mecánica y caracterización de suelos lateríticos estabilizados con cemento para mejoramiento de taludes y terraplenes: caso estudio la Primavera, Vichada

Abstract

This research project evaluates the mechanical behavior of a lateritic soil from the municipality of La Primavera, Vichada, commonly known as “ripio”, when stabilized with cement for its possible application in road infrastructure works, specifically in the improvement of slopes and embankments. The material was subjected to characterization tests such as granulometry, liquid and plastic limits and plasticity index, which indicated low plasticity and low fines content, classified as poorly graded sand with gravel (SP) according to SUCS and ASTM. Subsequently, mixes were designed with different cement percentages of 0%, 5%, 10% and 15%, and normal Proctor tests were performed to determine the optimum compaction moisture, which were 12.4%, 14.7%, 16.8% and 13.7%, respectively. Samples were prepared and cured for 7 days and finally evaluated by the unconfined compression test. The results obtained for each percentage of cement were duly converted to stress by means of the maximum force tabulated for each percentage in the unconfined compression test, leaving a stress value of 0.67Mpa for 0%, 0.37Mpa for 5%, 1.16Mpa for 10% and finally 5.03Mpa for 15% cement, leaving as a reference that the stabilization behaved effectively, giving an improvement in the mechanical characteristics of the material, where it is assumed that the percentage of 15% is the one with the best performance.