Paper Title:
Study on the Artificial Lightweight Aggregate by Using Reject Ash, Dredged Soil, and Ferrous Materials
  Abstract

The dependence of composition and sintering temperature on physical properties of ALA was investigated. Mechanism of black discoloration(sometimes called black core) usually found in the interior cores of artificial lightweight aggregate was also investigated by the optical observations. As a result, the primary cause of black discoloration in the interior of the lightweight aggregate body resulting from incomplete burn-out of carbonaceous impurities and iron-containing materials.In the cross-sectional morphology of ALA, bloating phenomena as well as formation of large pores were found in the samples containing ferrous materials. By increasing content of ferrous materials, both specific gravity and water absorption have been decreased.

  Info
Periodical
Edited by
Hyungsun Kim, Jian Feng Yang, Chuleol Hee Han, Somchai Thongtem and Soo Wohn Lee
Pages
291-294
DOI
10.4028/www.scientific.net/MSF.695.291
Citation
Y. T. Kim, Y. J. Choi, C. S. Jang, H. J. Joo, "Study on the Artificial Lightweight Aggregate by Using Reject Ash, Dredged Soil, and Ferrous Materials", Materials Science Forum, Vol. 695, pp. 291-294, 2011
Online since
July 2011
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