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Calculation of Deterioration Depth of Major Rock Type Slopes caused by Freezing-Thawing in Korea  

Kwon, O-Il (Korea Institute of Construction Technology, Underground Structure Research Division)
Baek, Yong (Korea Institute of Construction Technology, Underground Structure Research Division)
Yim, Sung-Bin (Chungbuk National University, Dept. of Earth & Environ. Sci.& Inst. Basic Sci. Res.)
Seo, Yong-Seok (Chungbuk National University, Dept. of Earth & Environ. Sci.& Inst. Basic Sci. Res.)
Publication Information
The Journal of Engineering Geology / v.17, no.3, 2007 , pp. 359-365 More about this Journal
Abstract
Freezing and thawing cycle is one of the major weathering-induced factors in the mechanical weathering of the rock mass. This natural process accelerates rock weathering process by breaking down the parent rock materials and makes soil or weathered rock formation in a rock slope surface zone. It can also cause reduction of the shear strength in slopes. It is important to calculate the deterioration depth caused by freezing-thawing for a slope stability analysis. In this study, deterioration depths of rock slope due to freezing-thawing were calculated using the 1-D heat conductivity equation. The temperature distribution analysis was also carried out using collected temperature distribution data for last five years of several major cities in Korea. The analysis was performed based on the distributed rock types in study areas. Thermal conductivities, specific heats and densities of the calculation rocks are tested in the laboratory. They are thermal properties of rocks as input parameters for calculating deterioration depths. Finally, the paper is showing the calculated deterioration depths of each rock type slopes in several major cities of Korea.
Keywords
freezing-thawing; deterioration depth; thermal conductivity; specific heat; temperature distribution;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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