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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Vaičiukynienė, Danutė;Pundienė, I;Kantautas, Aras;Augonis, A;Janavičius, E;Vaičiukynas, Vilimantas;Alobeid, J
Title: Synergistic effect of dry sludge from waste wash water of concreteplants and zeolitic by-product on the properties of ternary blendedordinary Portland cements
Is part of: Journal of cleaner production. Oxford : Elsevier Science, 2020, vol. 244
Extent: p. 1-9
Date: 2020
Note: art. no 118493
Keywords: Dry sludge from waste water concrete plants;Zeolitic byproduct;Ternary blended OPC systems
Abstract: This paper analyses the use of two types of supplementary cementing materials,edry sludge from wastewash water of concrete plants and zeolitic by-productefor producing hardened cement paste speci-mens. X-ray powder diffraction, scanning electronic microscopy, energy-dispersive X-ray spectroscopy,and thermal analysis were used as investigation methods. Test results showed that the addition of drysludge reduced the compressive strength of hardened cement paste at both 7 and 28 days. In hardenedcement paste specimens where Portland cement was substituted with 5 %e30% of dry sludge thecompressive strength decreased significantly after 7 and 28 at days. After 28 days blended Portlandcement containing up to 10% of supplementary cementing materials ((SCM) - dry sludge and zeolitic by-product) demonstrated higher compressive strength than the reference specimen as a result of syner-gistic interactions, whereas higher replacement levels led to reduction in compressive strength
Affiliation(s): Kauno technologijos universitetas
Vandens išteklių inžinerijos institutas
Vandens ūkio ir žemėtvarkos fakultetas
Vilniaus Gedimino technikos universitetas
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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