Local Correlation Of Hand Cone Penetrometer Test To Field California Bearing Ratio Test For Pekanbaru Soils

Abstract

Prior to the construction of a highway, inspection of base soil bearing capacity is required. Bearing capacity of base so.il determines the design thickness of a highway pavement. Several field methods are available to determine the base soil bearing capacity such as Dynamic Cone Penetrometer (DCP) and Hand Cone Penetrometer (HCP) and field California Bearing Ratio (field CBR). In practice, the design of pavement is commonly based on the California Bearing Ratio test. Correlations between the results of DCP to CBR tests are available. However, as far as can be found in literature, correlation between HCP to CBR test results is hardly found. This research was performed to study local correlation between HCP tests, which is simple and fast to conduct, to the field CBR value. The local correlation is determined based on comparisons of HCP and CBR test results for the same density of soil taken from several locations in Pekanbaru city, Indonesia. It was found that there is an approximate linear relation between HCP test results to CBR values for a certain density of soil.

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Keywords

Hand Cone Penetrometer, California Bearing Ratio, Soil Density.

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