<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The purpose of the research carried out is to develop a new perspective on a material resulting from steelworks. Currently, the blast furnace sludge from Galati is used as granular material in road construction generally at foundation layer. The bf sludge has the chemical and mechanical potential to be used as filler in bituminous mixture, as a result of its particular composition which does not interact with bitumen, and it has the ability to be crushed in particle fractions. The main constituents of the bf sludge are different oxides, as calcium, aluminium, iron, magnesium, manganese oxides, sulphide. The raw material is homogenous, with no impurities and it is not toxic for the environment. The characteristics of the filler sample was analysed, and its results is compared with standard specifications. The bf sludge was ground into very fine granules, under 2 mm, and then tested in laboratory in standard conditions.</p>
</abstract>

The purpose of the research carried out is to develop a new perspective on a material resulting from steelworks. Currently, the blast furnace sludge from Galati is used as granular material in road construction generally at foundation layer. The bf sludge has the chemical and mechanical potential to be used as filler in bituminous mixture, as a result of its particular composition which does not interact with bitumen, and it has the ability to be crushed in particle fractions. The main constituents of the bf sludge are different oxides, as calcium, aluminium, iron, magnesium, manganese oxides, sulphide. The raw material is homogenous, with no impurities and it is not toxic for the environment. The characteristics of the filler sample was analysed, and its results is compared with standard specifications. The bf sludge was ground into very fine granules, under 2 mm, and then tested in laboratory in standard conditions.

Notes About Bf Sludge as a Potential Use as Filler in Asphalt Mixture Composition

„Gheorghe Asachi” Technical University of Iaşi

Bulletin of the Polytechnic Institute of Iași. Construction. Architecture Section

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The purpose of the research carried out is to develop a new perspective on a material resulting from steelworks. Currently, the blast furnace sludge from...

Notes About Bf Sludge as a Potential Use as Filler in Asphalt Mixture Composition

Published Online: Feb 18, 2022

Page range: 109 - 123

Received: Jan 27, 2021

Accepted: Mar 28, 2021

DOI: https://doi.org/10.2478/bipca-2021-0010

Keywords
bf sludge, artificial aggregate, bituminous mixture, filler, sample

© 2021 Dana-Ramona Nanea, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Notes About Bf Sludge as a Potential Use as Filler in Asphalt Mixture Composition

Published Online: Feb 18, 2022

Page range: 109 - 123

Received: Jan 27, 2021

Accepted: Mar 28, 2021

DOI: https://doi.org/10.2478/bipca-2021-0010

Keywordsbf sludge, artificial aggregate, bituminous mixture, filler, sample

© 2021 Dana-Ramona Nanea, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
bf sludge, artificial aggregate, bituminous mixture, filler, sample