Parâmetros de compressibilidade de um latossolo influenciados pelo estado inicial de compactação e grau de saturação em água.

Abstract

This work had as objective evaluates the influence of three compacting state and degrees of initial saturation of water (Gsi) of the soil in the pré-consolidation pressure (op: capacity supports) and in the compression index (Cc: Sucetibilidade to the compacting) of a oxisol under system no tillage. The measure that there was increment of the compacting state, there were increments in the op and reductions in Cc. When Gsi was inferior to 60% the initial density of the soil explained to the op and Cc better, and when Gsi was superior to 60%, own Gsi better esplicou the behavior compressivo of oxisol. Largest Cc happened when Gsi was of 58% and the largest op happened when Gsi was similar or inferior to 40%.