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Lavender and Black Pine Waste as Additives Enhancing Selected Mechanical and Hygrothermal Properties of Cement Mortars.

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Title: Lavender and Black Pine Waste as Additives Enhancing Selected Mechanical and Hygrothermal Properties of Cement Mortars.
Authors: Strzałkowski, Jarosław1 (AUTHOR) elzbieta.horszczaruk@zut.edu.pl, Kampragkou, Petrini2 (AUTHOR) petrinik@civil.auth.gr, Stefanidou, Maria2 (AUTHOR) stefan@civil.auth.gr, Markowska-Szczupak, Agata3 (AUTHOR) agata.markowska@zut.edu.pl, Horszczaruk, Elżbieta1 (AUTHOR) anna.glowacka@zut.edu.pl, Głowacka, Anna1 (AUTHOR)
Source: Materials (1996-1944). Nov2024, Vol. 17 Issue 22, p5475. 25p.
Subjects: Flexural strength testing, Austrian pine, Mortar, Flexural strength, Elastic modulus, Impact (Mechanics)
Abstract: The paper presents the mechanical and hygrothermal properties of cement mortars containing bio-powders made from lavender waste and black pine wood. The wastes were mechanically ground with a hammer mill to a fraction not exceeding 0.5 mm and then dried in air-dry conditions. The influence of bio-additives in amounts of 1.5% and 2.5% of the overall mortar volume was tested. The aim of the paper was to determine the impact of bio-additives on the mechanical and hygrothermal properties of the tested cement mortars. This publication included tests of compressive and flexural strength, elastic modulus, water absorption, absorption due to capillary rise, sorption and desorption properties, thermal properties, microstructural tests using mercury intrusion porosimetry and SEM, and EDS. The main conclusions of the research indicate that mortars with both 1.5% and 2.5% bio-powders are characterized by strong bactericidal properties, lower sorption properties at high air humidity, lower thermal conductivity, reduced compressive strength by 22–27%, no significant effect on the flexural strength, and significant reduction in capillary action of mortars both with short-term and long-term water exposure. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Header DbId: egs
DbLabel: Engineering Source
An: 181164224
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  Label: Title
  Group: Ti
  Data: Lavender and Black Pine Waste as Additives Enhancing Selected Mechanical and Hygrothermal Properties of Cement Mortars.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Strzałkowski%2C+Jarosław%22">Strzałkowski, Jarosław</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> elzbieta.horszczaruk@zut.edu.pl</i><br /><searchLink fieldCode="AR" term="%22Kampragkou%2C+Petrini%22">Kampragkou, Petrini</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> petrinik@civil.auth.gr</i><br /><searchLink fieldCode="AR" term="%22Stefanidou%2C+Maria%22">Stefanidou, Maria</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> stefan@civil.auth.gr</i><br /><searchLink fieldCode="AR" term="%22Markowska-Szczupak%2C+Agata%22">Markowska-Szczupak, Agata</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> agata.markowska@zut.edu.pl</i><br /><searchLink fieldCode="AR" term="%22Horszczaruk%2C+Elżbieta%22">Horszczaruk, Elżbieta</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> anna.glowacka@zut.edu.pl</i><br /><searchLink fieldCode="AR" term="%22Głowacka%2C+Anna%22">Głowacka, Anna</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Nov2024, Vol. 17 Issue 22, p5475. 25p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Flexural+strength+testing%22">Flexural strength testing</searchLink><br /><searchLink fieldCode="DE" term="%22Austrian+pine%22">Austrian pine</searchLink><br /><searchLink fieldCode="DE" term="%22Mortar%22">Mortar</searchLink><br /><searchLink fieldCode="DE" term="%22Flexural+strength%22">Flexural strength</searchLink><br /><searchLink fieldCode="DE" term="%22Elastic+modulus%22">Elastic modulus</searchLink><br /><searchLink fieldCode="DE" term="%22Impact+%28Mechanics%29%22">Impact (Mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The paper presents the mechanical and hygrothermal properties of cement mortars containing bio-powders made from lavender waste and black pine wood. The wastes were mechanically ground with a hammer mill to a fraction not exceeding 0.5 mm and then dried in air-dry conditions. The influence of bio-additives in amounts of 1.5% and 2.5% of the overall mortar volume was tested. The aim of the paper was to determine the impact of bio-additives on the mechanical and hygrothermal properties of the tested cement mortars. This publication included tests of compressive and flexural strength, elastic modulus, water absorption, absorption due to capillary rise, sorption and desorption properties, thermal properties, microstructural tests using mercury intrusion porosimetry and SEM, and EDS. The main conclusions of the research indicate that mortars with both 1.5% and 2.5% bio-powders are characterized by strong bactericidal properties, lower sorption properties at high air humidity, lower thermal conductivity, reduced compressive strength by 22–27%, no significant effect on the flexural strength, and significant reduction in capillary action of mortars both with short-term and long-term water exposure. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/ma17225475
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Austrian pine
        Type: general
      – SubjectFull: Mortar
        Type: general
      – SubjectFull: Flexural strength
        Type: general
      – SubjectFull: Elastic modulus
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      – SubjectFull: Impact (Mechanics)
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    Titles:
      – TitleFull: Lavender and Black Pine Waste as Additives Enhancing Selected Mechanical and Hygrothermal Properties of Cement Mortars.
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            – D: 15
              M: 11
              Text: Nov2024
              Type: published
              Y: 2024
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              Value: 17
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