Tensile behaviour of natural fibre textile-reinforced mortar

Author(s): Niki Trochoutsou, Matteo Di Benedetti, Kypros Pilakoutas, Maurizio Guadagnini
Paper category: Proceedings
Book title: Proceedings of the International Conference on Sustainable Materials Systems and Structures (SMSS2019) Durability, Monitoring and Repair of Structures
Editor(s): Ana Baričević, Marija Jelčić Rukavina, Domagoj Damjanović, Maurizio Guadagnini
ISBN: 978-2-35158-217-6
e-ISBN: 978-2-35158-218-3
Publisher: RILEM Publications SARL
Publication year: 2019
Pages: 111-118
Total Pages: 813

Abstract: Natural fibre Textile-Reinforced Mortar (NTRM) systems, comprising open mesh fabrics embedded in inorganic matrices, could potentially provide a sustainable and low-cost solution for the rehabilitation and strengthening of structures in developing countries. Current understanding of their tensile characteristics, however, is still very limited. This paper examines the feasibility of using NTRM systems for strengthening unreinforced masonry structures and investigates the degree of composite action that can be developed between different types of natural fibres and lime-based mortars. The mechanical properties that are required for design are determined from direct tensile tests on both bare flax yarns and flax-TRM composites. The parameters investigated include: a) textile geometry; b) number of TRM layers (from one to three) and c) layer thickness. Smaller yarn diameter textiles are shown to perform better in TRM composites than larger diameter textiles with yarn strength up to 380 MPa and elastic modulus up to 76 GPa.

Online publication :2019
Publication type : full_text
Public price (Euros) : 00