POROUS FLY ASH-BASED GEOPOLYMER USABLE AS AN UNCONVENTIONAL CONSTRUCTION MATERIAL

Autor:	BOGDAN-VALENTIN PAUNESCU, LUCIAN PAUNESCU, ENIKO VOLCEANOV
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	geopolymer foam alumino-silicate binder coal fly ash hydrogen peroxide alkaline activator. Technology Engineering (General). Civil engineering (General) TA1-2040
Zdroj:	Journal of Engineering Studies and Research, Vol 29, Iss 3 (2024)
Druh dokumentu:	article
ISSN:	2068-7559 2344-4932
Popis:	Geopolymer foam with thermal insulation properties was made by foaming the alumino-silicate mixture composed of fly ash and clay brick waste activated with alkaline activator (water glass and sodium hydroxide in aqueous solution). Other mixture components were expanded perlite as siliceous additive, usual fine aggregate (quartz sand), and less frequently used surfactant (olive oil). The main characteristics of the geopolymer foam were: low density, low thermal conductivity, and relatively high compressive strength. The residual materials contributed to low costs and the complete replacement of ordinary cement led to the significant reduction of CO2 emissions.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/a1d43b6d51a74b5eb4a1a20ce8723c33 Zobrazit plný text záznamu View record in DOAJ