This paper presents a procedure for studying the mechanical behavior of three soils from the cellulose company CENIBRA S. A. located in the city of Belo Oriente, the state of Minas Gerais, Brazil, to be used as a surface course, sub-grade reinforcing layer and sub-base on forest roads. The mechanical stabilization technique named textural proportioning was used throughout the study. The laboratory testing program encompassed the use of different amounts of soils in order to determine the most efficient combination of two of them to be used in the CENIBRA S. A. forest road system. Soil mixtures were produced using sand contents of 60, 70 and 80% and clayey soils contents of 20, 30 and 40%. Soils and mixtures specimens were compacted at the modified Proctor compaction effort. The best mechanical response was associated to the 80% sand and 20% yellow clay mixture, which presented bearing capacity via ISC of 63%.
Soil stabilization; Forest roads and Mechanical stabilization via textural proportioning
