Compressive strength of functionally graded geopolymers: Role of position of layers
In the present paper, compressive strength of functionally graded geopolymeric (FGG) specimens was studied. FGG samples were prepared by casting two different geopolymeric mixes. Several FGG structures were made by changing volume fractions of the two geopolymeric mixtures in a specific specimen. Compressive strength of FGG specimens was measured in such way that the direction of functionally graded layer was parallel to the direction of applied load. The obtained results indicated that the strength of FGG specimens was higher than that anticipated from the rule of mixtures. The highest positive deviation was related to the specimen with FGG layer in the middle of specimen. It was concluded that the position of functionally graded layer is the controlling factor of strength of FGG specimens.
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0950-0618Journal title
Construction and Building MaterialsVolume
75Issue
JAN 2015Pagination
31-34Publisher
ElsevierCopyright statement
Copyright © 2015 Elsevier Ltd. NOTICE: this is the author’s version of a work that was accepted for publication in Construction and Building Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Construction and Building Materials, Vol 75, Jan 2015, DOI: 10.1016/j.conbuildmat.2014.10.043. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/Language
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