Abstract
Recycled Ultrafine Glass Powder (UFGP) is used to create Reactive Powder Concrete (RPC), a construction material with outstanding qualities for 3D printed concrete (3DPC) applications. Due to its pozzolanic characteristics and particle size, UFGP increases the strength of concrete. By partially replacing cement, using UFGP in 3DPC might reduce waste from the glass industry, advance sustainability, and make it possible to build durable, environmentally friendly, and reasonably priced structures. This study investigates the impact of incorporating 10 μm UFGP as a cement replacement, at rates ranging from 0% to 25%, on the fresh performance, constructability, and mechanical properties of 3DP-RPC. Results showed an increase of slump by 27.54% with 25% UFGP. Mix with 20% UFGP showed a comparable compressive and flexural strength with the control sample. Therefore, incorporating GP in concrete not only enhances its properties but also significantly reduces its carbon footprint. This innovative approach has considerable potential in promoting environmental sustainability in the construction industry.
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