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|Title:||Characterization of Porous Geopolymers Mortars for the Production of a Sustainable Material||Authors:||Ghauch, A.
|Affiliations:||Department of Civil and Environmental Engineering||Issue Date:||2022-12-26||Part of:||IOP Conference Series: Earth and Environmental Science, Vol. 1123, N. 1||Start page:||1||End page:||7||Conference:||International Conference on Environmental Design, ICED 2022 ( 3rd : 22-23 Oct, 2022 : Athens, Greece )||Abstract:||
Portland cement is the most popular material used in construction. It is characterized by exceptional thermal, mechanical, and durability properties. However, an alarming amount of pollution and energy consumption is generated during its production . Scientists are in continuous search to find new environmentally friendly cementitious materials, exhibiting good mechanical properties. Geopolymer is looked at as the new inorganic binders fulfilling these specifications. The work suggested by scientists shows that geopolymer has very good mechanical properties when compared to concrete, and has a lower carbon footprint, leading to a great potential for using it as a full or partial replacement for ordinary Portland cement . However, few tests have been done on geopolymer specimens with various porosities, especially geopolymer concrete made using Lebanese metakaolin. This study aims to create Lebanese metakaolin-based geopolymer mixes having dissimilar porosities and test their mechanical properties to assess if they can be used as environmentally friendly materials. This will determine the effect of porosity on the mechanical performance of GPC made with Lebanese metakaolin. Assessing these properties can support the elaboration of materials that are more sustainable and environmentally friendly as some applications require a permeable medium. Results indicated very promising values when comparing the compressive strength of the tested Geopolymer with respect to Ordinary Portland Cement. Therefore, geopolymer mortars are less affected by porosity than OPC and reliably elaborating a material that has gained its place as a feasible and sustainable building material.
|URI:||https://scholarhub.balamand.edu.lb/handle/uob/6559||ISSN:||17551307||DOI:||10.1088/1755-1315/1123/1/012062||Open URL:||Link to full text||Type:||Conference Paper|
|Appears in Collections:||Department of Civil and Environmental Engineering|
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