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Particle Crushing Properties of Decomposed Granite Soil due to Changes in the Degree of Weathering
| Content Provider | Semantic Scholar |
|---|---|
| Author | Lee, Kang-Il Yoon, Young-Goo Lee, Jae-Wook |
| Copyright Year | 2013 |
| Abstract | ABSTRACT In this study, the characteristics of particle crash of decomposed granite soil sampled at Pocheon area were presented. The degree of weathering was artificially achieved by means of hydrofluoric acid. Weathering index was firstly determined by the analysis of mineral composition. Then, particle distribution, permeability tests were conducted. The results showed that weathering effects on particle crash over entire particle sizes. Comparative analysis on specific surface between D 10 and D 50 indicated that the smaller the particle size, the more the particle crash. In addition, the most particle crashing due to compaction appeared around the optimum moisture content. The incremental ratio of specific surface appeared to decrease as weathering proceeds, which means that the higher the weathering index the less the particle crash. 요 지 본 연구는 포천에서 채취된 화강풍화토를 불산용액을 이용하여 인공적으로 풍화를 진행시켜서 풍화도 변화에 따른 화강풍 화토의 입자파쇄 특성을 연구하였다. 이를 위해 조성광물 분석을 통한 풍화지수 결정 후, 입도분석, 표준다짐시험 및 변수위 투수시험을 실시하였다. 본 연구결과는 풍화가 진행되면서 전체입경분포에서 입자파쇄가 진행되었으며, 입경 D |
| Starting Page | 1 |
| Ending Page | 10 |
| Page Count | 10 |
| File Format | PDF HTM / HTML |
| DOI | 10.12814/jkgss.2013.12.1.001 |
| Volume Number | 12 |
| Alternate Webpage(s) | https://ocean.kisti.re.kr//downfile/volume/kgss/HKTHB3/2013/v12n1/HKTHB3_2013_v12n1_1.pdf |
| Alternate Webpage(s) | https://doi.org/10.12814/jkgss.2013.12.1.001 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
