Breakage Index and Changes in Permeability of Bottom Ash for Use as Fill Material

Kim, Donggeun; Son, Younghwan; Park, Jaesung; Bong, Taeho

doi:10.5389/KSAE.2015.57.6.107

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Breakage Index and Changes in Permeability of Bottom Ash for Use as Fill Material

Journal title : Journal of The Korean Society of Agricultural Engineers
Volume 57, Issue 6, 2015, pp.107-115
Publisher : The Korean Society of Agricultural Engineers
DOI : 10.5389/KSAE.2015.57.6.107

Title & Authors

Breakage Index and Changes in Permeability of Bottom Ash for Use as Fill Material
Kim, Donggeun; Son, Younghwan; Park, Jaesung; Bong, Taeho;

Abstract

The objective of the this study is to find the breakage index and changes in permeability of Bottom ash from thermoelectric power plants in Korea. Bottom ash was crushed by compaction according to compaction energy from 0 to ${$1661.4\;kN/m^2$}$ . The particle size distribution was estimated by sieve analysis. The various breakage indexes were used for analyzing the change in particle size distribution and effect of compaction energy. In the result, breakage indexes were increased as compaction energy and initial upper 4.75 mm diameter ratio, but values and tendencies of breakage indexes appeared in different as calculation method of breakage indexes. The coefficient of permeability was decreased with particle breakage, but decreasing ratio of permeability was very small. Bottom ash has a higher permeability than the weathered soil and it is considered high usability as a permeable materials.

Keywords

Bottom ash;particle breakage;breakage index;permeability;

Language

Korean

Cited by

References

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