REINFORCEMENT OF LATERITIC SOIL WITH RANDOMLY SISAL FIBERS DISTRIBUTED TREATED WITH RECYCLED EPS / Reforço de Solo Laterítico com Fibras de Sisal de Distribuição Aleatória, Tratadas Superficialmente com EPS Reciclado

AUTOR(ES)

Gislene Aparecida Santiago Leocádio

DATA DE PUBLICAÇÃO

2005

RESUMO

The high costs of the civil engineering construction requires the necessity to develop studies about the process of the stabilization and reinforcement which improves some geotechnical soils properties being part of the constructive specifications. The reinforcement technique of the soils with the inclusion of natural fibers has been studied for many researchers. It has showing efficient by improving many properties of the soil engineering which results in an interesting composite material for the geotechnical engineering. This composite is named fibersoil at this research. Experiments was done at the laboratory to evaluate the effect of the addition sisal fibers in the lateritic soil which will establish the mechanical behavior of the material through compaction tests, at the energy of the Normal Proctor and CBR. The shear strength was done through the direct shear test. Therefore, in the present investigation sisal fiber was randomly included in to the soil at four different percentages of fiber content with 0,25% to 1% by weight of raw soil and also considered different lengths between 10 to 25mm. The objective of this research is to contribute to the study on the effect of the sisal fibers with superficial treatment with recycled expanded polystyrene (EPS) inhibiting the absorption of water. With base in the results obtained in this work, it was noticed that the addition treated sisal fibers randomly distributed presented significant improvements in the mechanical properties of lateritic soil, transforming it in a product of better qualification for application in works of civil engineering, and that the polymer used it was shown quite applied to the proposed analysis, promoting decrease of the water absorption of the sisal fibers.

ASSUNTO(S)

reciclagem indústria eps solo laterítico mecânica dos solos reforço de solo reaproveitamento fibras de sisal exatas e da terra

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