Determination of the dynamic elastic constants of recycled aggregate concrete

2015 ◽  
Author(s):  
A. A. Tsoumani ◽  
N.-M. Barkoula ◽  
T. E. Matikas
Keyword(s):  
Elastic Constants ◽  
Recycled Aggregate Concrete ◽  
Recycled Aggregate ◽  
Aggregate Concrete

scholarly journals The estimation of compressive strength of normal and recycled aggregate concrete

2011 ◽  
Vol 9 (3) ◽  
pp. 419-431 ◽  
Author(s):  
Ksenija Jankovic ◽  
Dragan Nikolic ◽  
Dragan Bojovic ◽  
Ljiljana Loncar ◽  
Zoran Romakov
Keyword(s):  
Experimental Data ◽  
Compressive Strength ◽  
Concrete Strength ◽  
Recycled Aggregate Concrete ◽  
Curing Temperature ◽  
Recycled Aggregate ◽  
Coefficient Of Determination ◽  
Aggregate Concrete ◽  
Ready Mixed Concrete

Estimation of concrete strength is an important issue in ready-mixed concrete industry, especially, in proportioning new mixtures and for the quality assurance of the concrete produced. In this article, on the basis of the existing experimental data of compressive strength of normal and recycled aggregate concrete and equation for compressive strength calculating given in Technical regulation are compared. The accuracies of prediction by experimental data obtained in laboratory as well as by EN 1992-1-1, ACI 209 and SRPS U.M1.048 are compared on the basis of the coefficient of determination. The determination of the compressive strengths by the equation described here relies on determination of type of cement and age of concrete with the constant curing temperature.

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