Commenced in January 2007
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Edition: International
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Compressive Strength and Capillary Water Absorption of Concrete Containing Recycled Aggregate

Authors: Yeşim Tosun, Remzi Şahin

Abstract:

This paper presents results of compressive strength, capillary water absorption, and density tests conducted on concrete containing recycled aggregate (RCA) which is obtained from structural waste generated by the construction industry in Turkey. In the experiments, 0%, 15%, 30%, 45% and 60% of the normal (natural) coarse aggregate was replaced by the recycled aggregate. Maximum aggregate particle sizes were selected as 16 mm, 22,4 mm and 31,5 mm; and 0,06%, 0,13% and 0,20% of air-entraining agent (AEA) were used in mixtures. Fly ash and superplasticizer were used as a mineral and chemical admixture, respectively. The same type (CEM I 42.5) and constant dosage of cement were used in the study. Water/cement ratio was kept constant as 0.53 for all mixture. It was concluded that capillary water absorption, compressive strength, and density of concrete decreased with increasing RCA ratio. Increasing in maximum aggregate particle size and amount of AEA also affect the properties of concrete significantly.

Keywords: Capillary water absorption, compressive strength, density, recycled concrete aggregates.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1107664

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References:


[1] R. V. Silva, J. de Brito, R. K., Dhir, “Properties and composition of recycled aggregates from construction and demolition waste suitable for concrete production”, Construction and Building Materials, vol. 65, pp.201–217, 2014.
[2] S. Bayram, M. E. Öcal, E. Laptalı, E. Oral, “Legislation of Construction Waste Concept and A Case Study At A Ready Mıxed Concrete Plant”, Journal of New World Sciences Academy, vol. 7, no. 1, pp.106-118, 2012. (in Turkish with English Abstract)
[3] A. Köken, M. A. Köroğlu, F. Yonar, “Usage of waste concretes as recycled aggregate”, Journal of Technical-Online, vol. 7, no.1, pp. 86- 97, (in Turkish with English Abstract)
[4] J. L. Zhao, T. Yu, J. G. Teng, “Stress-Strain Behavior of FRP-Confined Recycled Aggregate Concrete”, J. Compos. Constr., vol. 19, no. 3, 2014
[5] TS EN 13057: Products and systems for the protection and repair of concrete structures - Test methods - Determination of resistance of capillary absorption, Turkish Standards Instıtution, Ankara, TR.
[6] ASTM C 1585-04: Standard Test Method for Measurement of Rate of Absorption of Water by Hydraulic- Cement Concretes. ASTM International, USA
[7] TS EN 12390-3: Testıng Hardened Concrete-Part 3: Compressıve Strength of Test Specımens, Turkish Standards Instıtution, Ankara, TR.
[8] TS EN 12390-7: Testing Hardened Concrete - Part 7: Density of Hardened Concrete, Turkish Standards Instıtution, Ankara, TR.
[9] R. Şahin, “Optimization of Frost Resistance of Normal Portland Cement Concrete By Taguchi Method and Damage Analysis”, Phd Thesis, Atatürk University, Erzurum, TR., 2003 (in Turkish with English Abstract)
[10] İ. B. Topçu, N. F. Günçan, “Using waste concrete as aggregate”, Cement and Concrete Research, vol. 25, no. 7, pp.1385-1390, 1995.
[11] A. Rao, K.N., Jha, S. Misra, “Use of aggregates from recycled construction and demolition waste in concrete”, Resources, Conservation and Recycling, vol.50, pp.71–81, 2007.
[12] Y. V. Akbari, N. K. Arora, M. D. Vakil, “Effect on recycled aggregate on concrete properties”, International Journal of Earth Sciences and Engineering, vol.4, pp.924-928, 2011
[13] P. Saravanakumar, G. Dhinakaran, “Strength Characteristics of HVFA based Recycled Aggregate Concrete”, J. of Materials in Civil Engineering, vol. 25, no.8, pp.1127-1133, 2012.
[14] A. Ajdukiewicz, A. Kliszczewicz, “Influence of recycled aggregates on mechanical properties of HS/HPC”, Cement and Concrete Composites, vol. 24, pp. 269–279, 2002.
[15] D. Soares, J. De Brito, J. Ferreira, J. Pacheco, “Use of coarse recycled aggregates from precast concrete rejects: Mechanical and durability performance”, Construction and Building Materials, vol. 71, pp. 263– 272, 2014.
[16] B. Erdal, “Properties of Concrete Containing Polypropylene Fiber Produced With Recycled Aggregate”. MSc. Thesis, Yıldız Technical University, İstanbul, TR, 2011. (in Turkish with English Abstract)
[17] M. M. Tüfekçi, “Investıgatıon of Reuse Recycled Aggregate In Concrete Productıon”, MSc. Thesis, Yıldız Technical University, İstanbul, TR, 2011. (in Turkish with English Abstract)
[18] M. G. Beltran, F. Agrela, A. Barbudo, J. Ayuso, A. Ramírez, “Mechanical and durability properties of concretes manufactured with biomass bottom ash and recycled coarse”, Construction and Building Materials, vol. 72, pp. 231–238, 2014.