Title:
Sustainable and Eco-efficient Cementitious Composites Using Waste Cellulose Fibers
Author(s):
Jaberizadeh
Publication:
Web Session
Volume:
ws_S24_Jaberizadeh.pdf
Issue:
Appears on pages(s):
Keywords:
DOI:
Date:
3/23/2024
Abstract:
The use of fibrillated biomass presents a key technology for manufacturing concrete composites with low embodied carbon footprint, crucial for generating efficient decarbonization pathways. This research aims to develop sustainable and eco-efficient cementitious composites with high resiliency by reinforcing the matrix with waste cellulose fibers obtained from low energy manufacturing processes. This is a promising way for developing highly resilient cementitious composites, with increased pre-crack tensile load bearing and 1.5x higher post-crack energy absorption capacity (Figure 1). Notably, these fibers exhibit groundbreaking water retention capacity of ˜950%, serving as internal curing agents to alleviate internally induced stresses from autogenous shrinkage. Our findings indicate that waste cellulose fibers represent an eco-component in concrete, promising the development of highly resilient and durable cementitious composites that leads to sustainable construction methodologies.