Skip to main content

Table 2 Moisture—density values and California Bearing Ratio for virgin soil

From: Occurrence of shale soils along the Calabar-Itu highway, Southeastern Nigeria and their implication for the subgrade construction

Location Geologic unit Optimum moisture content, NMC (%) Unsoaked CBR at OMC (%) 24 h soaked CBR (%) Moisture after soaking (%)
A Nkporo Shale 14.6 35.0 26.8 16.0
B New Netim Marl 8.6 27.5 20.6 10.0
C Ekenkpon Shale 16.6 15.0 7.0 22.2
D Ekenkpon Shale 18.5 14.0 5.0 20.7