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http://dx.doi.org/10.5762/KAIS.2010.11.12.5157

Characteristics of Waste Lime and Soil Mixture for Reusing of Roadbed Embanking Material  

Hong, Seung-Seo (Geotechnical and Tunnelling Research Division, KICT)
Kim, Young-Seok (Geotechnical and Tunnelling Research Division, KICT)
Lee, Yong-Soo (Geotechnical and Tunnelling Research Division, KICT)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.11, no.12, 2010 , pp. 5157-5164 More about this Journal
Abstract
Currently about 3.2 millon tons of waste lime are accumulated and annually 100,000 tons are producted. This study was carried out to investigate the characteristics of soil mixed with waste lime for reusing of roadbed embanking material. Waste lime used in this study is producted as a by-product in the manufacturing process of making $Na_2CO_3$ from local chemical factory in Incheon. In this study, the feasible reuse of waste lime mixed with granite weathered soil, clay, crushed rock was investigated through laboratory tests including specific gravity test, sieve analysis, hydrometer analysis, atterberg limit test, compaction test, unconfined compressive test, CBR test, permeability test, shear test, and abrasion test. The mixing rate is granite weathered soil, clay, crushed rock 80 % respectively and waste lime 20 % by weight. From the test results, it is shown that the waste lime and soil mixtures satisfy the criteria as road embanking material specification.
Keywords
Waste lime; Soil mixture; Roadbed; Embanking material;
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