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Compressive Strength and Durability Properties of Structural Lightweight Concrete with Fine Expanded Glass and/or Clay Aggregates

1
Department of Reinforced Concrete Structures and Geotechnics, Vilnius Gediminas Technical University, Sauletekio av. 11, LT-10223 Vilnius, Lithuania
2
Institute of Building Materials, Vilnius Gediminas Technical University, Linkmenu str. 28, LT-08217 Vilnius, Lithuania
*
Author to whom correspondence should be addressed.
Materials 2018, 11(12), 2434; https://doi.org/10.3390/ma11122434
Received: 8 November 2018 / Revised: 22 November 2018 / Accepted: 27 November 2018 / Published: 30 November 2018
This study is focused on the experimental investigation of compressive strength and durability properties of lightweight concrete mixtures with fine expanded glass and expanded clay aggregates using different microfillers. The paper proposes the relationships between the compressive strength and density of concrete mixtures with different proportions of the lightweight aggregates mentioned above. The performed experimental studies have revealed the tendencies of possible usage of different amounts of fine lightweight aggregates and their combinations in the production of concrete mixtures depending on the demands of practical application. Following the requirements for structural concrete subjected to environmental effects, durability properties (alkaline corrosion and freeze–thaw resistance) of the selected concrete mixtures with expanded glass aggregate were studied. The results of the experimental investigations have shown that durability of tested concrete specimens was sufficient. The study has concluded that the mixtures under consideration can be applied for the production of structural elements to which durability requirements are significant. View Full-Text
Keywords: expanded glass; expanded clay; lightweight aggregate concrete; microfiller; alkali–silica reaction; freeze–thaw resistance expanded glass; expanded clay; lightweight aggregate concrete; microfiller; alkali–silica reaction; freeze–thaw resistance
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Rumsys, D.; Spudulis, E.; Bacinskas, D.; Kaklauskas, G. Compressive Strength and Durability Properties of Structural Lightweight Concrete with Fine Expanded Glass and/or Clay Aggregates. Materials 2018, 11, 2434.

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