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Bio-based textile reinforced mortar (bio-TRM) composites for structural strengthening

School of Natural and Built Environment | PHD
Funding
Unfunded
Reference Number
SNBE-2020-MS1
Application Deadline
None specified
Start Date
1 October 2021

Overview

Textile reinforced mortars (TRM) have emerged besides fabric reinforced polymers (FRP) composites for structural strengthening in the construction industry due to their better compatibility with concrete and masonry materials and lower sensitivity to high temperature. This PhD project aims at manufacturing, testing, and assessing novel bio-TRM composites for strengthening masonry and concrete structures.

Textile reinforced mortar composites are particularly suited to strengthen unreinforced masonry structures such as heritage constructions and ordinary buildings subjected to seismic excitation. However, the market of these composites are currently dominated by synthetic fibres such as carbon, plastic, basalt and glass fibres, which makes it difficult for low-income countries to avail of this strengthening method. Contrary to syntetic fibres, natural fibres are affordable and readily available in most countries. The fabric manufacturing has a low environmental impact and the products are recyclable and biodegradable by the end of their life cycle.



While they have already entered the automobile sector as reinforcement for FRP composites, flax, jute and hemp are not yet used in the construction field.

This PhD project aims therefore at addressing two main goals: 1) optimising a set of bio-TRM composites by studying the mortar/fabric long term compatibility and 2) assessing the composite structural performance in real world applications. This will entail a mechanical characterization of the tensile and bonding behaviour and a demo strengthening case of a masonry member.

Project Summary
Supervisor

Dr Mohammed Sonebi

m.sonebi@qub.ac.uk

Research Profile


Mode of Study

Full-time: 3 years


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