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Open AccessArticle

Experimental Investigations on the Performances of Composite Building Materials Based on Industrial Crops and Volcanic Rocks

Department of Civil Engineering and Management, Faculty of Construction, Technical University of Cluj-Napoca, 28 Memorandumului Street, 400114 Cluj-Napoca, Romania
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Crystals 2020, 10(2), 102; https://doi.org/10.3390/cryst10020102
Received: 16 January 2020 / Revised: 6 February 2020 / Accepted: 8 February 2020 / Published: 11 February 2020
Interdisciplinary and sustainability represent the main characteristics of this paper due to the fact that this research is offering a connection between two main areas—agronomy and construction, by using hemp shiv for the design of new building materials, which can increase the sustainability level of the building industry. For this reason, the main scope of this study is based on the investigation of a new category of composite building materials—lightweight mortars based on hemp shiv, volcanic rocks and white cement—which contribute to a positive environmental impact and help to increase indoor comfort. A complex report was carried out on two segments. The first one is focused upon the characteristics of the raw materials from the composition of the new materials, while the second segment presents a detailed analysis of these composites including morphological and chemical investigation, pyrolytic and fire behavior, compression and flexural strengths, and acoustic and thermal characteristics. The proposed recipes have as a variable volcanic rocks, while the hemp and the binder maintain their volumes and properties. The results were analyzed according to the influence of volcanic rocks on the new composites.
Keywords: sustainability; hemp; sound absorption; thermal conductivity; fire characteristics; mechanical properties; microscopy; thermal analysis; X-ray diffraction sustainability; hemp; sound absorption; thermal conductivity; fire characteristics; mechanical properties; microscopy; thermal analysis; X-ray diffraction
MDPI and ACS Style

Istoan, R.; Tămaș-Gavrea, D.R.; Manea, D.L. Experimental Investigations on the Performances of Composite Building Materials Based on Industrial Crops and Volcanic Rocks. Crystals 2020, 10, 102.

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