Abstract
This work will evaluate the effects of the mechanical strength of two kinds of soils by the inclusion of different sizes and percentages of polyethylene and polypropylene fibres. The soil will be used: (a) typical sandy soil in Bauru (SP) and (b) clayey soil in Piracicaba (SP). The fibres will have lengths of 10, 15, 20 and 30 mm and width 1.5 mm. These are randomly added to the soil in p…