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Petrographic and physical-mechanical investigation of natural aggregates for concrete mixtures

Authors

Telloli C, Aprile A, Marrocchino E. Year 2021

Pubblication type

Paper International Journal with referee

Abstract

The availability of different lithology with which concrete can be packaged could create substantial questions on the differences that they can provide to the same mixture. Different kinds of aggregates were analyzed individually to investigate their main characteristics, which allowed us to package five types of concrete mixtures. These five mixtures were compared to each other through compressive strength values. Furthermore, it was considered microscopically what possible differences could exist between these different mixtures, for example, differences in the cement/aggregate reaction. The chemical characterization of the aggregates, used as the skeleton of the cement mixes, was proposed as an important investigative phase in order to better understand the differences in the geotechnical and physical-mechanical characteristics and to verify the presence of any harmful phases for the durability of the concrete.

Reference

Materials (2021), 14, 5763.
https://doi.org/10.3390/ma14195763
Scopus ID: 2-s2.0-85116334408

WEB Reference

https://www.mdpi.com/1996-1944/14/19/5763

Research unit

TRAC

Keywords

concrete; aggregates; petrography; physical-mechanical characterization

LastUpdate

10/01/2022