Effect of Waste Composite Plate Powders on the Mechanical, Durability and Microstructural Properties of Self-Compacting Mortars
Yusuf Yıldırım, Alirıza İlker Akgönen, Serkan Etli
TL;DR
This study explores using waste composite plate powders in self-compacting mortars to assess their impact on mechanical, durability, and microstructural properties.
Contribution
The novelty lies in evaluating waste quartz-based and cultured marble powders as sustainable fillers in self-compacting mortars.
Findings
Higher replacement ratios reduced workability and mechanical strength but increased porosity and water absorption.
Low replacement levels slightly improved flexural strength due to the filler effect.
SEM and XRD showed quartz-based powders provided thermal stability and a denser microstructure.
Abstract
This study investigates the effects of artificial plate powders with different compositions on the durability, physical, mechanical, and microstructural properties of self-compacting mortar (SCM). Waste quartz-based composite plate fragments and waste cultured marble pieces were ground into fine powders, and the resulting quartz-based plate powder (WQP) and cultured marble powder (WMP) were used as filler materials to partially replace cement at replacement levels of 0%, 5%, 10%, 15%, 20%, and 25% by mass. The workability of fresh mortars was evaluated using the mini slump flow test in accordance with EFNARC guidelines, while hardened specimens were tested for porosity, capillary water absorption, abrasion resistance, flexural strength, and compressive strength. In addition, specimens with a 25% replacement ratio that were exposed to temperatures of 300 °C, 600 °C, and 900 °C underwent…
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Taxonomy
TopicsConcrete and Cement Materials Research · Innovative concrete reinforcement materials · Building materials and conservation