Proceedings of the KSR Conference (한국철도학회:학술대회논문집)
- 2002.05a
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- Pages.264-270
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- 2002
The Characteristics of Frost Heaving Pressure on the Railroadbed Materials
철도노반재료의 동상 팽창압 특성에 관한 연구
Abstract
The frost heaving pressure can be a problem for weakening of the railroadbed material. In this study, upon freezing a saturated soil in a closed-system from the top, a considerable pressure was developed. This pressure is induced as a result of a curved ice-water interface. This study was initiated to investigate the soils frost heaving expansion pressure and physical characteristics resulting from freezing and freezing-thawing cycle process. Weathered granite soils, sandy soil were used in the laboratory freezing test subjected to thermal gradients under closed-systems.
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