<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The compressive strength of the concrete measured at 28 days is the criterion for assessing the concrete class, and these values will be acceptable precise indications for other physical and mechanical characteristics of the concrete. In addition to the factors the compressive strength of concrete varies on (such as: the characteristics and proportion of constituents, the placement conditions and subsequent treatment and testing conditions), the concrete class should also depend on the type of cement contained and the concrete strength evolution over time. Due to the fact that concretes with composite cements have a slower evolution of compressive strength and a significant strength increase after 28 days, concretes with different types of cements and mineral admixtures were tested for compression after 28 days in order to determine the reference time for such tests – and thus the concrete’s class.</p></abstract>

The compressive strength of the concrete measured at 28 days is the criterion for assessing the concrete class, and these values will be acceptable precise indications for other physical and mechanical characteristics of the concrete. In addition to the factors the compressive strength of concrete varies on (such as: the characteristics and proportion of constituents, the placement conditions and subsequent treatment and testing conditions), the concrete class should also depend on the type of cement contained and the concrete strength evolution over time. Due to the fact that concretes with composite cements have a slower evolution of compressive strength and a significant strength increase after 28 days, concretes with different types of cements and mineral admixtures were tested for compression after 28 days in order to determine the reference time for such tests – and thus the concrete’s class.

Identifying the Reference Time for Determining the Compressive Strength of Concrete Containing Different Types of Cements

Technical University of Civil Engineering

Faculty of Civil, Industrial and Agricultural Buildings

Modelling in Civil Environmental Engineering

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

The compressive strength of the concrete measured at 28 days is the criterion for assessing the concrete class, and these values will be acceptable precise...

Identifying the Reference Time for Determining the Compressive Strength of Concrete Containing Different Types of Cements

Published Online: Jun 20, 2019

Page range: 26 - 35

DOI: https://doi.org/10.2478/mmce-2019-0003

Keywords
concrete, compressive strength of concrete, cement with mineral additions, reference time

© 2019 Anca Ionescu et al., published by Sciendo

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

Identifying the Reference Time for Determining the Compressive Strength of Concrete Containing Different Types of Cements

Published Online: Jun 20, 2019

Page range: 26 - 35

DOI: https://doi.org/10.2478/mmce-2019-0003

Keywordsconcrete, compressive strength of concrete, cement with mineral additions, reference time

© 2019 Anca Ionescu et al., published by Sciendo

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

Keywords
concrete, compressive strength of concrete, cement with mineral additions, reference time