Natural fiber alfa/epoxy randomly reinforced composite mechanical properties identification

S Helaili, M Chafra, Y Chevalier - Structures, 2021 - Elsevier
In recent years, there has been a growing interest in the international scientific community to
study natural fiber composites. Natural fibers have interesting mechanical features, such as …

Identification of mechanical properties of a braided alfa stem (Stipa tenacissima L.) by an inverse method

S Helaili, M Chafra - Journal of Composite Materials, 2023 - journals.sagepub.com
The aging of buildings and structures, accompanied by an increase in the prices of
conventional building materials, has pushed the scientific community to explore new …

Experimental evaluation and numerical comparisons of pine tree leaves, graphene oxide loaded, and E-glass fiber reinforced sandwich composites

CB Ayyanar, K Marimuthu, S Helaili - International Journal of …, 2024 - Taylor & Francis
The research aim is to develop pure epoxy composites (PEC), PTL-reinforced epoxy
composites (PTLEC), PTL-loaded and E-glass fiber-incorporated epoxy composites …

[PDF][PDF] Alfa natural fiber composite reinforcement for concrete beams

S Helaili, M Chafra, Y Chevalier - Civ Eng Archit, 2021 - academia.edu
Lightweight, corrosion-resistant, and longer-lasting composite materials are increasingly
used as primary load-bearing materials in structures' design. The cost of rehabilitating …

Valorization of the use of natural Alfa (Stipa tenacissima L.) fiber in composite reinforcing plates based on natural fibers and metal fabric

S Helaili, A Guizani, M Chafra - Innovative Infrastructure Solutions, 2023 - Springer
Composites are used to reinforce existing structures to remedy current pathologies or
increase their loading capacity to resist loads higher than initially envisaged by the …

Pressure calculation and fatigue of a trans-tibial prosthetic socket made from natural fiber composite

S Helaili, W Mankai, M Chafra - International Conference on Acoustics …, 2021 - Springer
The sockets are generally made from carbon fiber which makes them cost high. Replacing
carbon fiber with a more ecological and socio-economical fiber such as Alfa fiber can …

Reinforcement of load-bearing structural elements by curved composite plates made from braided natural fibers

S Helaili, T Rezgui, A Guizani, F Najjar - International Conference Design …, 2021 - Springer
The structures of historical monuments are mainly made up of curved structural elements.
These elements can be curved beams composed of a succession of caissons or curved …

Novel rebar made from epoxy and braided natural alfa fibers

S Helaili, A Guizani, F Najar, M Chafra - International Conference Design …, 2021 - Springer
Using steel rebars in reinforced concrete structures is the most common practice nowadays.
However, the increase in steel price, its weakness against corrosion, its weight, and its …

Turbine blade made of natural fiber composite structural and vibrational behavior

S Helaili, S Bouajila, H Kaddami, M Chafra - … Conference Design and …, 2021 - Springer
The search for bio-based materials for structural applications has become a necessity.
Natural fiber-based composite materials, such as Alfa fiber, are suitable candidates for …

[PDF][PDF] Natural cellulosic alfa fiber (Stipa tenacissima L.) improved with environment-friendly treatment cementitious composites with a stable flexural strength

S Helaili, A Guizani, MA Khadimallah… - Civil Engineering and …, 2023 - academia.edu
Using natural fibers in structural applications is the subject of much research in the scientific
world. Natural fibers are bio-sourced, biodegradable, have a low carbon footprint, and have …