Recycling of Aggregates from Construction Demolition Wastes in Concrete: Study of Physical and Mechanical Properties

Authors: M. Saidi, F. Ait-Medjber, B. Safi, M. Samar

Abstract:

This work is focused on the study of valuation of recycled concrete aggregates, by measuring certain properties of concrete in the fresh and hardened state. In this study, rheological tests and physic-mechanical characterization on concretes and mortars were conducted with recycled concrete whose geometric properties were identified aggregates. Mortars were elaborated with recycled fine aggregate (0/5mm) and concretes were manufactured using recycled coarse aggregates (5/12.5 mm and 12.5/20 mm). First, a study of the mortars was conducted to determine the effectiveness of polycarboxylate superplasticizer on the workability of these and their action deflocculating of the recycled sand. The rheological behavior of mortars based on fine aggregate recycled was characterized. The results confirm that the mortars composed of different fractions of recycled sand (0 /5) have a better mechanical properties (compressive and flexural strength) compared to normal mortar. Also, the mechanical strengths of concretes made with recycled aggregates (5/12.5 mm and 12.5/20 mm), are comparable to those of conventional concrete with conventional aggregates, provided that the implementation can be improved by the addition of a superplasticizer.

Keywords: Demolition wastes, recycled coarse aggregate, concrete, workability, mechanical strength, porosity/water absorption.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1097437

References:

[1] Damien Demailly, “Les enjeux du développement durable au sein de l’Industrie du Ciment réduction des émissions de CO2”, Rapport Final Octobre 2005 - Février 2006.
[2] M. Venuat –“La pratique des ciments, mortiers et bétons: Caractéristiques des liants et des bétons, mise en oeuvre des coulis et mortiers“ Tome I, Edition2, Collection Moniteur, 1989, pp. 277.
[3] J. Baron and JP. Olivier, “Les bétons, bases et données pour leur formulation” - Edition Eyrolles, 1997 pp. 522.
[4] Nicot Pierre, “ Interactions mortier-support : éléments déterminants des performances et de l’adhérence d’un mortier“ Thèse de doctorat de l’université de TOULOUSE, France, 2008.
[5] Grondin Aurélie, “ Valorisation des granulats recycles de béton : Etude des caractéristiques physiques et mécaniques des Bétons de granulats recycles de béton“, Memoire Thesis, Strasbourg, France, 2011.
[6] D. Raymond, R. Lanchon and J-C. Saint -Rroman “ Granulats, sols, ciments et bétons : caractéristiques des minéraux de génie civil par les essais de laboratoire“, Edition CASTEILLA, 2009
[7] Thomas Martaud, “Evaluation environnementale de la production de granulats naturels en exploitation de carrière – Indicateurs, Modèles et Outils“, Thèse de doctorat de l’université d’Olrleans, France, 2008.
[8] T.H. Douara, M. Benhoun, B. Nezergui, “ Caracteristiques physiques et chimiques des Granulats recycles et granulats naturels“, SBEIDCO, 12- 14 Oct., ENSET Oran, Algérie, 2009.
[9] G. Dreux, J. Festa, Nouveau guide du béton et de ses constituants 8eme édition, 1998, 400p..
[10] De Juan M.S. and Gutiérrez P.A., Study on the influence of attached mortar content on the properties of recycled concrete aggregate, Construction and Building Materials, 23 (2), 2009, pp. 872-877.
[11] Gómez-Soberón J.M.V., Porosity of recycled concrete with substitution of recycled concrete aggregate: An experimental study, Cement and Concrete Research, 32 (8), 2002, pp. 1301-1311.
[12] Wirquin, Utilisation de l'absorption d'eau des bétons comme critères de leur durabilité- Application aux bétons de granulats recyclés, Matérials and Structures, 33, 2000, pp. 403-408.
[13] Oikonomou N.D., Recycled concrete aggregates, Cement and Concrete Composites, 27 (2), 2005, pp. 315-318.
[14] Binici H., Shah T., Aksogan O. and Kaplan H., Durability of concrete made with granite and marble as recycle aggregates, Journal of Materials Processing Technology, 208 (1-3), 2000, pp. 299-308.
[15] Katz A., Properties of concrete made with recycled aggregate from partially hydrated old concrete, Cement and Concrete Research, 33 (5), 2003, pp. 703-711.
[16] Tam V.W.Y., Wang K. and Tam C.M., Assessing relationships among properties of demolished concrete, recycled aggregate and recycled aggregate concrete using regression analysis, Journal of Hazardous Materials, 152 (2), 2008, pp. 703-714.
[17] Padmini A.K., Ramamurthy K. and Mathews M.S., Influence of parent concrete on the properties of recycled aggregate concrete, Construction and Building Materials, 23 (2), 2009, pp. 829-836.
[18] Evangelista l., DeBrito J., ‘’The effect of superplasticizers on the workability and compressive strength of concrete made with fine recycled concrete aggregates ‘’, Construction and building materials, 2010, vol 28, p 722-729,
[19] Etxeberria M., Vazquez A., Mari A. and Barra M., Influence of amount of recycled coarse aggregates and production process on properties of recycled concrete, Cement and concrete research, 37, 2007, pp. 735- 742.
[20] Debieb F., Courard L., Kenai S. and Degeimbre R., Mechanical and durability properties of concrete using contaminated recycled aggregates, Cement and Concrete Composites, 32 (6), 2009, pp. 421-426
[21] Berredjem, Les matériaux de démolition une source de granulats pour béton: formulation et caractérisation d'un béton à base de ces granulats recyclés. 2009.
[22] De Juan M.S. and Gutiérrez P.A., Study on the influence of attached mortar content on the properties of recycled concrete aggregate, Construction and Building Materials, 23 (2), 2009, pp. 872-877,
[23] Casuccio, M., Torrijos, M.C., Giaccio, G., and Zerbino, R. “Failure mechanism of recycled aggregate concrete”, Construction and Building Materials, 22(7), 2008, pp. 1500-1506.
[24] Katz A., Properties of concrete made with recycled aggregate from partially hydrated old concrete, Cement and concrete research, 33 (5), 2003, pp. 703-711,
[25] Anderson, K.W., Uhlmeyer, J.S., and Russell, M.. “Use of recycled concrete aggregate in PCCP : A literature search”, Research Report (Unpublished), Submitted to Washington State Department of Transportation, Olympia, Washington, 2009, 37p.
[26] Braymand S., Influence de l'utilisation de granulats recyclés sur les propriétés rhéologiques et physiques des bétons. 2010: Nantes.