![]() ![]() ![]() Īkbarimehr D, Fakharian K (2021) Dynamic shear modulus and damping ratio of clay mixed with waste rubber using cyclic triaxial apparatus. The maximum increase in strength is obtained with a 1.2% of PP fiber addition.Īkbarimehr D, Eslami A, Aflaki E, Hajitaheriha MM (2021) Investigating the effect of waste rubber in granular form on strength behavior of Tehran clay. Therefore, UCS, residual strength, shear stress characteristics, and ductility of the clay were increased with increasing fiber content, while compression index, recompression index, coefficient of compressibility, and brittleness were decreased. The results showed a significant improvement in the mechanical and compressibility characteristics of this clay due to PP fiber addition. ![]() To this end, raw clay and fiber-reinforced samples were compared with respect of stress-strain relationship, unconfined compressive strength (UCS), shear stress characteristics, and oedometric behavior were evaluated and compared according to the fiber content. This study examines the potential uses of polypropylene fibers (PP) to improve the geotechnical properties of a typical problematic soil from Algeria (Clay of Sidi-Hadjres) as many technical problems occur in the pavements and buildings of this region. Such clays are characterized by low strength and high deformability, which creates many problems for structures that will be founded on these soils. Fibers are commonly used to improve the geotechnical properties of problematic soil (e.g., high-plasticity fine-grained soils). ![]()
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