this article deals with the buckling analysis of perfectly bonded cross-ply laminated composite plates reinforced by wavy carbon nanotubes (cnts) under in-plane loads using element free galerkin (efg) method based on first-order shear deformation theory (fsdt). the wavy single-walled cnts and poly-co-vinylene are used for the fibers and the matrix, respectively. the cnt fibers are distributed i...

Composite reinforcing bars (rebars) that are used in concrete members with high performance (strength and durability) properties could have beneficial effects on the behavior of these members. This is especially vital when a building is constructed in an aggressive environment, for instance a corrosive environment. Although tension capacity/weight (or volume) ratios in composite rebars (carbon ...

The article presents the results of a study strength characteristics beams reinforced with non-matel rods. Tests were performed on concrete samples composite and metal reinforcement different diameters. Based study, tensile in bending modulus elasticity determined. Graphs dependence beam deflections load are constructed based testing polymer reinforcement. A comparative analysis work was carrie...

The marine composites market is driven by the increasing demand for lightweight, corrosion-resistant, and impact-resistant boats. Polymer matrix are currently most popular composite material in applications. Fiberglass practically main type of fiber that used extensively Due to aggressive sea environment, structural elements ships exposed damage due phenomenon osmosis. This also favored defects...

This study aims to obtain the best design and material for horseshoes. The research method used is experimental target design. was conducted in Medan most of experiments were at USU University Medan. results this are: it known that horse shoes will be better if they are made using polymeric foam reinforced with glass fiber. Furthermore, found other advantages horseshoe fiberglass when compared ...

The destruction caused by forest fires generates social impacts, environmental and extremely important economic impacts the of a wide range infrastructures essential goods. Therefore, as it is impossible to remove all from wildland–urban interface, design protection systems essential. main objective this work development low-cost system, with rigid panels, requiring simple installation, in orde...

Abstract In addition to the Pneumobil competition, our team will also participate in Shell Eco-marathon with an electric-powered prototype category car. Based on results so far, we are midfield of European competitions. After several modifications current car, be building a new car again 2022. The goal eco-marathon racing cars is achieve lowest possible energy consumption, and accordingly, grea...

Abstract: This paper presents the results of experimental determination of fiber bed permeability variation with porosity. Flow measurement experiments were designed to measure fiber mat permeability for fiber beds with various fiber volume fractions. Woven fiberglass, chopped fiberglass, and carbon fiber mats were used as reinforcements. The effects of reinforcement type and porosity on fiber ...

PURPOSE Recent literature comparing the effectiveness of above-elbow and below-elbow plaster casts appears to suggest that either cast type offers adequate immobilization for distal radius and ulna fractures. The idea that an appropriate mold placed on the cast is the most significant determinant of successful immobilization and, thereby, patient outcome has also been elucidated. The purpose of...