Strengthening unreinforced masonry walls using natural hemp fibers
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Elsevier Ltd
Abstract
This paper presents an experimental setup to study the effectiveness of using natural hemp fibers for enhancing the out of plane flexural capacity of unreinforced masonry walls. Wall specimens are constructed using normal-weight hollow concrete masonry units, and then hemp fiber fabrics are externally applied for strengthening. Performance of the hemp reinforced wall units is gauged by examining the flexural capacity, ductility, and failure modes of the wall specimens. A sensitivity analysis is conducted to investigate the effects of different strengthening configurations on the capacity of strengthened wall sections. Experimental results show that both the flexural capacity and ductility of the walls increase with an increase in reinforcement ratio. © 2020 Elsevier Ltd
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Keywords
Flexural strengthening, Hemp, Masonry walls, Natural fibers, Out-of-plane loading, Ductility, Masonry construction, Masonry materials, Reinforcement, Retaining walls, Sensitivity analysis, Walls (structural partitions), Concrete masonry units, Flexural capacity, Reinforced walls, Reinforcement ratios, Un-reinforced masonry walls, Hemp fibers