Natural fibers are used in polymer composites to improve mechanical properties to replace inorganic reinforcing agents produced by non-renewable resources. The present study investigates the tensile and flexural behaviors of palm fibers-high density polyethylene (HDPE) composite as a function of volume fraction. The surface of the fibers was treated by mercerization treatments to improve the we...

Geopolymer concrete (GPC) is obtained by activating industrial wastes such as fly ash with chemical liquids sodium hydroxide (NaOH) and silicate (Na2 SiO3). In order to use environmentally friendly GPC from instead of portland cement (OPC), its behavior in structural elements important should be investigated detail. Load-displacement characteristics, flexural shear stiffnesses crack development...

A geometrically exact formulation of cables suffering axis stretching and flexural curvature is presented. The dynamical formulation is based on nonlinearly viscoelastic constitutive laws for the tension and bending moment with the additional constitutive nonlinearity accounting for the nocompression condition. A continuation method, combined with a mixed finite-difference spatial discretizatio...