Use of Coal Waste as Fine Aggregates in Concrete Paving Blocks - Geomaterials

GM > Vol.3 No.2, April 2013

Geomaterials

Volume 3, Issue 2 (April 2013)

ISSN Print: 2161-7538 ISSN Online: 2161-7546

Google-based Impact Factor: 0.58 Citations

Use of Coal Waste as Fine Aggregates in Concrete Paving Blocks ()

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Download as PDF (Size: 513KB) PP. 54-59

DOI: 10.4236/gm.2013.32007 7,721 Downloads 12,215 Views Citations

Author(s)

Cassiano Rossi dos Santos, Juarez Ramos do Amaral Filho, Rejane Maria Candiota Tubino, Ivo André Homrich Schneider

Affiliation(s)

Federal University of Rio Grande do Sul—UFRGS, Post Graduate Programme in Mining, Metallurgical and Materials Engineering—PPGE3M, Porto Alegre, Brazil.

ABSTRACT

The aim of this work was to study the use of coal waste to produce concrete paving blocks. The methodology considered the following steps: sampling of a coal mining waste; gravity separation of the fraction with specific gravity between 2.4 and 2.8; comminution of the material and particle size analysis; technological characterization of the material and the production of concrete paving blocks. The results showed that the coal waste considered in this work can be used to replace conventional sand as a fine aggregate for concrete paving blocks. This practice can collaborate in a cleaner coal production.

KEYWORDS

Coal Waste; Recycling; Environment; Concrete

Share and Cite:

C. Santos, J. Filho, R. Tubino and I. Schneider, "Use of Coal Waste as Fine Aggregates in Concrete Paving Blocks," Geomaterials, Vol. 3 No. 2, 2013, pp. 54-59. doi: 10.4236/gm.2013.32007.

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