Estimation of Weathered Degree Using Fall cone in Weathered Soil ; Silty Sand
2008
Son, Y.H. (University of Wisconsin, Madison, WI, USA) | Kim, S.P. (Seoul National University, Seoul, Republic of Korea) | Chang, P.W. (Seoul National University, Seoul, Republic of Korea)
It is essential to analyze and classify the physical characteristics of weathered granite for engineering purposes. This paper is to suggest a physical method to determine the degree of weathering of weathered soils. A new classification method for determining the degree of weathering is suggested, based upon the results from laboratory tests including fall cone test. According to the proposed physical method using fall cone apparatus, the measured values of the samples from the same area show distinctive difference of weathering. The water content tends to increase with increasing the degree of weathering at the same penetration in fall cone test. And relationship between CWI and water content are expressed one equation in Hwaseong area and Ilsan area.
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