| Title | Mix design and mechanical performance of geopolymer binder for sustainable construction and building material |
|---|---|
| ID_Doc | 8303 |
| Authors | Saeli, M; Novais, RM; Seabra, MP; Labrincha, JA |
| Title | Mix design and mechanical performance of geopolymer binder for sustainable construction and building material |
| Year | 2017 |
| Published | |
| Abstract | Sustainability in construction is a major concern worldwide, due to the huge volume of materials and energy consumed by this sector. Associated supplementing industries (e.g. Portland cement production) constitute a significant source of CO2 emissions and global warming. Valorisation and reuse of industrial wastes and by-products make geopolymers a solid and sustainable via to be followed as a valid alternative to Portland cement. In this work the mix design of a green fly ash-based geopolymer is evaluated as an environmentally friendly construction material. In the pursuit of sustainability, wastes from a regional kraft pulp industry are exploited for the material processing. Furthermore, a simple, reproducible, and low-cost manufacture is used. The mix design is hence optimised in order to improve the desirable mechanical performance of the material intended for structural applications in construction. Tests indicate that geopolymers may efficiently substitute the ordinary Portland cement as a mortar/concrete binder. Furthermore, valorisation and reuse of wastes in geopolymers is a suboptimal way of gaining financial surplus for the involved industrial players, while contributes for the implementation of a desirable circular economy. |
| https://doi.org/10.1088/1757-899x/264/1/012002 |
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