REMUS CHENDES, CORNELIU BOB, CATALIN BADEA, CORNELIU EUSEBIU PODOLEANU, SORIN DAN,  LIANA IURES<br>Experimental Research on Recycled Concrete Fines

REMUS CHENDES, CORNELIU BOB, CATALIN BADEA, CORNELIU EUSEBIU PODOLEANU, SORIN DAN, LIANA IURES
Experimental Research on Recycled Concrete Fines

Abstract:

Recycling is defined as the process that changes materials into new products for preventing the waste of potentially useful materials, reducing the consumption of fresh raw materials, the energy usage and the air and water pollution. Many of the large, existing buildings which don’t have any historical importance, such as industrial type, office buildings or apartments, have a reinforced concrete structure. Recycled concrete is mainly used as coarse aggregate and filler in road construction industry; another usage of it could be adding it into new mixtures. So far this usage has led to a significant decrease in mechanical properties for the new mixture. It is well known that the cement industry is an important energy consumer and also a CO2 releaser. Present paper is devoted to the use of recycled concrete materials obtained from concrete elements into new mixes as a replacement of the cement. An experimental program was developed in this purpose; physical and physical-chemical tests were made on obtained materials. The mechanical properties of the obtained mortar samples have been also studied. Keywords: recycled concrete fines, SEM analysis, EDAX, specific surface-BET, mechanical strength, sustainability

Issue: 2016, Volume 67, Issue 9

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