KAJIAN PENENTUAN NILAI CBR TANAH MENGGUNAKAN DYNAMIC CONE PENETROMETER PADA PEMBANGUNAN RUAS JALAN MAMBRUK-KADAMBER KABUPATEN FAKFAK

Muhammad Yunus, La Resky H. Nurfafen, M. Afdal R. Rum

Abstract


In the road planning, one of the parameters needed is the value of California
Bearing Ratio (CBR). the value of CBR is used as a parameter to determine the
condition of the subgrade. The study was conducted to determine the CBR value and
the percentage of the subgrade bearing capacity criteria on the MambrukKadamber road, Fakfak Regency, West Papua. The method used in this study is a
field survey using a Dynamic Cone Penetrometer (DCP) on a 1,9 km long track and
divided every 50 meters so that the number of test points is 40 points, then the test
data are analyzed using the PUPR and Kleyn methods. From the results of the
analysis, the largest CBR value is 31,43% and the smallest 4,66% if analyzed using
the PUPR method and when using the Kleyn method the largest CBR value is
22,23% and the smallest 3,51% with the avarege difference between both method is
3,27%. It is also known that as many as 10% of points still have poor soil bearing
capacity criteria


Keywords


California Bearing Ratio, Dynamic Cone Penetrometer, subgrade

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References


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DOI: http://dx.doi.org/10.32497/wahanats.v27i2.4139

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